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Heckler & Koch MP5

The Heckler & Koch MP5 is a 9mm submachine
gun of German design, developed in the 1960s by a team of engineers from the German small
arms manufacturer Heckler & Koch GmbH of Oberndorf am Neckar. There are over 100 variants of
the MP5, including a semi-automatic version. The MP5 is one of the most widely used submachine
guns in the world, having been adopted by 40 nations and numerous military, law enforcement,
intelligence, and security organizations. In the 1990s, Heckler & Koch developed the
Heckler & Koch UMP, the MP5’s successor; both are available as of 2014. History
Heckler & Koch, encouraged by the success of the G3 automatic rifle, developed a family
of small arms consisting of four types of firearms all based on a common G3 design layout
and operating principle. The first type was chambered for 7.62×51mm NATO, the second
for the 7.62×39mm M43 round, the third for the intermediate 5.56×45mm NATO caliber,
and the fourth type for the 9×19mm Parabellum pistol cartridge. The MP5 was created within
the fourth group of firearms and was initially known as the HK54.
Work on the MP5 began in 1964 and two years later it was adopted by the German Federal
Police, border guard and army special forces. In 1980, the MP5 achieved iconic status as
a result of its use by SAS commandos in Operation Nimrod, where they stormed the Iranian Embassy
in London, rescuing hostages and killing five terrorists. The MP5 became a mainstay of SWAT
units of law enforcement agencies in the United States since then. However in the late 1990s,
as a result of the North Hollywood shootout, police special response teams have supplanted
some MP5s with AR-15-based assault rifles.[4] The MP5 is manufactured under license in several
nations including Greece, Iran, Mexico, Pakistan, Saudi Arabia, Sudan, Turkey, and the United
Kingdom. Design details
The primary version of the MP5 family is the MP5A2, which is a lightweight, air-cooled,
selective fire delayed blowback operated 9×19mm Parabellum weapon with a roller-delayed bolt.
It fires from a closed bolt position. The fixed, free floating, cold hammer-forged
barrel has 6 right-hand grooves with a 1 in 250 mm rifling twist rate and is pressed
and pinned into the receiver. Features The first MP5 models used a double-column
straight box magazine, but since 1977, slightly curved, steel magazines are used with a 15-round
capacity or a 30-round capacity. The adjustable iron sights consist of a rotating
rear diopter drum and a front post installed in a hooded ring. The rear sight is adjustable
for both windage and elevation with the use of a special tool, being adjusted at the factory
for firing at 25m with standard 124 grains FMJ 9x19mm NATO ammunition; the drum provides
four different apertures of varying width used to adjust the light entrance in the diopter
system, according to the user’s eye relief and tactical situation, and not for firing
at 25, 50, 75 and 100m as some people wrongly imagine.
The MP5 has a hammer firing mechanism. The trigger group is housed inside an interchangeable
polymer trigger module and equipped with a three-position fire mode selector that serves
as the manual safety toggle. The “S” or Sicher position in white denotes weapon safe,
“E” or Einzelfeuer in red represents single fire, and “F” or Feuerstoß designates
continuous fire. The SEF symbols appear on both sides of the plastic trigger group. The
selector lever is actuated with the thumb of the shooting hand and is located only on
the left side of the original SEF trigger group or on both sides of the ambidextrous
trigger groups. The safety/selector is rotated into the various firing settings or safety
position by depressing the tail end of the lever. Tactile clicks are present at each
position to provide a positive stop and prevent inadvertent rotation. The “safe” setting disables
the trigger by blocking the hammer release with a solid section of the safety axle located
inside the trigger housing. The non-reciprocating cocking handle is located
above the handguard and protrudes from the cocking handle tube at approximately a 45°
angle. This rigid control is attached to a tubular piece within the cocking lever housing
called the cocking lever support, which in turn, makes contact with the forward extension
of the bolt group. It is not however connected to the bolt carrier and therefore cannot be
used as a forward assist to fully seat the bolt group. The cocking handle is held in
a forward position by a spring detent located in the front end of the cocking lever support
which engages in the cocking lever housing. The lever is locked back by pulling it fully
to the rear and rotating it slightly clockwise where it can be hooked into an indent in the
cocking lever tube. Operating mechanism The bolt rigidly engages the barrel extension—a
cylindrical component welded to the receiver into which the barrel is pinned. The delay
mechanism is of the same design as that used in the G3 rifle. The two-part bolt consists
of a bolt head with rollers and a bolt carrier. The heavier bolt carrier lies up against the
bolt head when the weapon is ready to fire and inclined planes on the front locking piece
lie between the rollers and force them out into recesses in the barrel extension.
When fired, expanding propellant gases produced from the burning powder in the cartridge exert
rearward pressure on the bolt head transferred through the base of the cartridge case as
it is propelled out of the chamber. A portion of this force is transmitted through the rollers
projecting from the bolt head, which are cammed inward against the inclined flanks of the
locking recesses in the barrel extension and to the angled shoulders of the locking piece.
The selected angles of the recesses and the incline on the locking piece produce a velocity
ratio of about 4:1 between the bolt carrier and the bolt head. This results in a calculated
delay, allowing the projectile to exit the barrel and gas pressure to drop to a safe
level before the case is extracted from the chamber.
The delay results from the amount of time it takes for enough recoil energy to be transferred
through to the bolt carrier in a sufficient quantity for it to be driven to the rear against
the force of inertia of the bolt carrier and the forward pressure exerted against the bolt
by the recoil spring. As the rollers are forced inward they displace the locking piece and
propel the bolt carrier to the rear. The bolt carrier’s rearward velocity is four times
that of the bolt head since the cartridge remains in the chamber for a short period
of time during the initial recoil impulse. After the bolt carrier has traveled rearward
4 mm, the locking piece is withdrawn fully from the bolt head and the rollers are compressed
into the bolt head. Only once the locking rollers are fully cammed into the bolt head
can the entire bolt group continue its rearward movement in the receiver, breaking the seal
in the chamber and continuing the feeding cycle.
Since the 9×19mm Parabellum cartridge is relatively low powered, the bolt does not
have an anti-bounce device like the G3, but instead the bolt carrier contains tungsten
granules that prevent the bolt group from bouncing back after impacting the barrel extension.
The weapon has a fluted chamber that enhances extraction reliability by bleeding gases backwards
into the shallow flutes running along the length of the chamber to prevent the cartridge
case from expanding and sticking to the chamber walls. A spring extractor is installed inside
the bolt head and holds the case securely until it strikes the ejector arm and is thrown
out of the ejection port to the right of the receiver. The lever-type ejector is located
inside the trigger housing. Accessories
In the early 1970s HK introduced a conversion kit for the MP5 that enables it to use rimfire
ammunition. This unit consists of a barrel insert, a bolt group and two 20-round magazines.
This modification reduces the cyclic rate to 650 rounds/min. It was sold mostly to law
enforcement agencies as a way to train recruits on handling the MP5. It used ammunition that
was cheaper and had a lower recoil than 9mm Parabellum. This reduced training costs and
built up skill and confidence in the operators before transitioning them to the full-bore
model. Barrel Accessories Threading is provided at the muzzle to work
with certain muzzle devices made by Heckler & Koch, including: a slotted flash suppressor,
blank firing attachment, an adapter for launching rifle grenades and a cup-type attachment used
to launch tear gas grenades. An optional three-lugged barrel is also available for mounting a Quick
Detachable suppressor. Receiver
The receiver housing has a proprietary claw-rail mounting system that permits the attachment
of a standard Heckler & Koch quick-detachable scope mount. It can be used to mount daytime
optical sights, night sights, reflex sights and laser pointers. The mount features two
spring-actuated bolts, positioned along the base of the mount, which exert pressure on
the receiver to hold the mount in the same position at all times assuring zero retention.
All versions of the quick-detachable scope mount provide a sighting tunnel through the
mount so that the shooter can continue to use the fixed iron sights with the scope mount
attached to the top of the receiver. A Picatinny rail adapter can be placed on
top that locks into the claw rails. This allows the mounting of STANAG scopes and has a lower
profile than the claw-rail system. Handguard
Laser Products has a replacement handguard incorporating a Sure-Fire Model 628 tactical
15,000-candlepower quartz-halogen flashlight. It is powered by two 123A 3-volt lithium batteries
for a battery life of about an hour of use. It is operated either by a squeeze-activated
pressure tape switch on the right side for brief illumination or a rocker on/off switch
on the left side for continuous illumination. It can be turned on just long enough for positive,
close-range target discrimination and acquisition at night or used to illuminate or blind targets
in low light conditions. Aftermarket replacement handguards with Picatinny
rails are available. Single-rail models have a Picatinny rail along the bottom and triple-rail
models have rails along the bottom and sides. They allow the mounting of accessories like
flashlights, laser pointers, target designators, vertical foregrips, and bipods.
Variants The MP5A2 has a fixed buttstock, whereas the
compact MP5A3 has a retractable metal stock. The stockless MP5A1 has a buttcap with a sling
mount for concealed carry; the MP5K series was a further development of this idea.
The MP5A4 and MP5A5 models are available with four-position trigger groups. The pistol grips
are straight, lacking the contoured grip and thumb groove of the MP5A1, MP5A2, and MP5A3.
The selector lever stops are marked with bullet pictograms rather than letters or numbers
and are fully ambidextrous. The additional setting of the fire selector, one place before
the fully automatic setting, enables a two or three-shot burst firing mode.
A variant with the last trigger group designated the MP5-N was developed in 1986 for the United
States Navy. This model has a collapsible stock, a tritium-illuminated front sight post
and a 225 mm threaded barrel for use with a stainless steel sound suppressor made by
Knight’s Armament Company together with quieter subsonic ammunition. It had ambidextrous controls,
a straight pistol grip, pictogram markings, and originally had a four-position selector.
This was replaced with a similar three-position ambidextrous selector after an improperly-reassembled
trigger group spontaneously fired during an exercise. The “Navy”-style ambidextrous trigger
group later became standard, replacing the classic “SEF”.
Plastic training variants H&K offers dedicated training variants of
these weapons, designated MP5A4PT and MP5A5PT, modified to fire a plastic 9×19mm PT training
cartridge produced by Dynamit Nobel of Germany. These weapons operate like the standard MP5
but have a floating chamber and both rollers have been omitted from the bolt to function
properly when firing the lighter plastic projectiles. To help identify these weapons blue dots were
painted on their cocking handles and additional lettering provided. The PT variant can be
configured with various buttstocks and trigger groups and was developed for the West German
Police and Border Guard. Semi-auto only variants
The MP5SFA2 was developed in 1986 in response to the American FBI solicitation for a “9 mm
Single-fire Carbine”. It is the same as the MP5A2 but is fitted with an ambidextrous semi-automatic
only trigger group. The MP5SFA3 is similar except it has a retractable metal stock like
the MP5A3. Versions delivered after December 1991 are assembled with select-fire bolt carriers
allowing fully automatic operation when used with the appropriate trigger module.
The two-position trigger unit was used in the single-fire HK94 carbine that was produced
specifically for the civilian market with a 420 mm barrel.
Suppressed variants In 1974 H&K initiated design work on a sound-suppressed
variant of the MP5, designated the MP5SD, which features an integral but detachable
aluminium sound suppressor and a lightweight bolt. The weapon’s 146 mm barrel has 30 2.5 mm
ports drilled forward of the chamber through which escaping gases are diverted to the surrounding
sealed tubular casing that is screwed onto threading on the barrel’s external surface
just prior to the ported segment. The suppressor itself is divided into two stages; the initial
segment surrounding the ported barrel serves as an expansion chamber for the propellant
gases, reducing gas pressure to slow down the acceleration of the projectile. The second,
decompression stage occupies the remaining length of the suppressor tube and contains
a stamped metal helix separator with several compartments which increase the gas volume
and decrease its temperature, deflecting the gases as they exit the muzzle, so muffling
the exit report. The bullet leaves the muzzle at subsonic velocity, so it does not generate
a sonic shock wave in flight. As a result of reducing the barrel’s length and venting
propellant gases into the suppressor, the bullet’s muzzle velocity was lowered anywhere
from 16% to 26% while maintaining the weapon’s automation and reliability. The weapon was
designed to be used with standard supersonic ammunition with the suppressor on at all times.
The MP5SD is produced exclusively by H&K in several versions: the MP5SD1 and MP5SD4, MP5SD2
and MP5SD5 and the MP5SD3 and MP5SD6. The MP5SD1, MP5SD2 and MP5SD3 use a standard “SEF”
trigger group, while the MP5SD4, MP5SD5 and MP5SD6—a trigger module with a mechanically
limited 3-round burst mode and ambidextrous selector controls. A suppressed version was
produced for the U.S. Navy – designated the MP5SD-N, which is a version of the MP5SD3
with a retractable metal stock, front sight post with tritium-illuminated dot and a stainless
steel suppressor. This model has a modified cocking handle support to account for the
slightly larger outside diameter of the suppressor. The design of the suppressor allows the weapon
to be fired with water inside, should water enter the device during operation in or near
water. MP5K
In 1976 a shortened version of the MP5A2 was introduced; the MP5K was designed for close
quarters battle use by clandestine operations and special services. The MP5K does not have
a shoulder stock, and the bolt and receiver were shortened at the rear. The resultant
lighter bolt led to a higher rate of fire than the standard MP5. The barrel, cocking
handle and its cover were shortened and a vertical foregrip was used to replace the
standard handguard. The barrel ends at the base of the front sight, which prevents the
use of any sort of muzzle device. The MP5K is produced in four different versions:
the MP5K, MP5KA4, MP5KA1, MP5KA5, where the first two variants have adjustable, open-type
iron sights, and the two remaining variants – fixed open sights; however, the front
sight post was changed and a notch was cut into the receiver top cover. The MP5K retained
the capability to use optical sights through the use of an adapter.
A civilian semiautomatic derivative of the MP5K known as the SP89 was produced that had
a foregrip with a muzzle guard in place of the vertical grip.
In 1991 a further variant of the MP5K was developed, designated the MP5K-PDW that retained
the compact dimensions of the MP5K but restored the fire handling characteristics of the full-size
MP5A2. The MP5K-PDW uses a side-folding synthetic shoulder stock, a “Navy” trigger group,
a front sight post with a built-in tritium insert and a slightly lengthened threaded,
three-lug barrel. The stock can be removed and replaced with a receiver endplate; a rotary
drum with apertures from the MP5A2 can also be used.
Larger caliber versions In 1991, Heckler & Koch introduced the MP5/10
and MP5/40, which are based on the MP5A4 and MP5A5. These weapons were assembled in fixed
and retractable stock configurations and are fed from translucent 30-round polymer box
magazines. These weapons include a bolt hold-open device, which captures the bolt group in its
rear position after expending the last cartridge from the magazine. The bolt is then released
by pressing a lever positioned on the left side of the receiver. Both weapons use a barrel
with 6 right-hand grooves and a 380 mm twist rate, and like the MP5-N, both have a 3-lugged
muzzle device and a tritium-illuminated front sight aiming dot.
Problems with the MP5/10 and MP5/40 led to their discontinuation, although Heckler & Koch
continues to provide support and spare parts. They were replaced by the Heckler and Koch
UMP. Variants list HK54: The original model that was produced
in the early-1960s. It had a charcoal-gray phosphated finish rather than the matte-black
finish used on later models and had narrow slotted metal handguards. Its major differences
were that it had a longer and heavier bolt carrier than the MP5 and a flip up “ladder”-style
rear sight rather than the MP5’s aperture sight. Its original 15- or 30-round steel
magazines were straight rather than curved, had a plastic follower, and were reinforced
with ribs. MP5: A slightly modified version of the HK54
first created in 1966. It has a matte-black phosphated finish instead of the grayish finish.
It originally had the narrow checkered metal “Slimline” handguards in the place of the
HK54’s narrow slotted metal ones. These were later replaced by the thicker “Tropical” handguards.
The proprietary Heckler & Koch “claw mount” rails for mounting optical and electronic
scopes were added around 1973. The improved 15- and 30-round magazines were adopted in
1977; they were curved, had unribbed sides, and had chromed-steel followers.
MP5A1: No buttstock, “SEF” trigger group. MP5A2: Fixed buttstock, “SEF” trigger group.
MP5SFA2: Fixed buttstock, single-fire trigger group.
MP5A3: Retractable buttstock,”SEF” trigger group.
MP5SFA3: Semi-automatic carbine version of MP5A3. Retractable buttstock and single-fire
trigger group. MP5A4: Fixed buttstock, 3-round burst trigger
group. MP5A5: Retractable buttstock, 3-round burst
trigger group. MP5-N: Model developed specifically for the
U.S. Navy. Ambidextrous “Navy” trigger group, 3-lug/threaded barrel for attaching a sound
suppressor; rubber-padded retractable stock. MP5F: Model developed specifically for the
French military. Rubber-padded retractable stock, ambidextrous sling loops/bolts and
internal modifications to handle high-pressure ammunition. MP5K: Short version created in 1976. It had
a cut-down 4.5-inch barrel, shorter trigger group frame, and a vertical foregrip rather
than a handguard. There are no MP5KA2 or MP5KA3 models because it doesn’t come with a fixed
or retractable stock. MP5K Prototype: A stockless, cut-down MP5A2
with regular iron sights and an open vertical foregrip. It was created in 1976.
MP5KA1: MP5K with smooth upper surface and small low-profile iron sights; “SEF” trigger
group. MP5KA4: MP5K with regular iron sights; four-position
3-round burst trigger group. MP5KA5: MP5K with smooth upper surface and
small low-profile iron sights; four-position 3-round burst trigger group.
MP5K-N: MP5K with “Navy” trigger group and 3-lug/threaded barrel for mounting suppressors
or other muzzle attachments. MP5K-PDW: Personal Defense Weapon; MP5K-N
variant introduced in 1991 for issue to special operations aircraft or vehicle crews. It adds
a Choate side-folding stock, 5-inch 3-lug barrel for mounting a quick-detachable Qual-A-Tec
suppressor, and an ambidextrous 4-position trigger group with a 3-round burst mode. A
shoulder cross-draw or thigh quick-draw holster is available. MP5SD: An MP5 model with an integrated suppressor
created in 1974. MP5SD1: No buttstock, “SEF” trigger group,
integrated suppressor MP5SD2: Fixed buttstock, “SEF” trigger group,
integrated suppressor. MP5SD3: Retractable buttstock, “SEF” trigger
group, integrated suppressor. MP5SD4: No buttstock, 3-round burst trigger
group, integrated suppressor. MP5SD5: Fixed buttstock, 3-round burst trigger
group, integrated suppressor. MP5SD6: Retractable buttstock, 3-round burst
trigger group, integrated suppressor. MP5SD-N1: Retractable buttstock, “Navy” trigger
group, KAC stainless steel suppressor. MP5SD-N2: Fixed buttstock, “Navy” trigger
group, KAC stainless steel suppressor. MP5/10: Chambered in 10mm Auto, available
in various stock/trigger group configurations. It was produced from 1992 to 2000.
MP5/40: Chambered in .40 S&W, available in various stock/trigger group configurations.
It was produced from 1992 to 2000. Civilian-Market Versions
HK94: American import model of the MP5 with an exposed 16.54-inch [420mm] barrel and special
SF trigger group, designed for civilian use. A barrel-mounted vertical foregrip and a ventilated
barrel shroud were available for the stock HK94.; it is even featured in the poster art).
The HK94 was made from 1983 to 1989, in three different configurations:
The HK94A2 had a fixed stock, an overall length of 34.59 inches [829 mm], and weighed 6.43 lbs.
[2.92 kg.]. In 1991, the state of California imported 420 HK-94A2s, mostly for their state
Department of Corrections; it was the last batch of HK-94s imported into the United States.
The HK94A3 had a retractable stock, an overall length of 27.58 inches [700 mm] collapsed
and 34.05 inches [865 mm] extended and weighed 7.18 lbs. [3.26 kg].
The HK94/SG-1 was designed for short-range sniping in built-up areas like cities or prisons.
It proved to be unsuitable for its designed purpose, due to its poor penetration and stopping
power, and most went to target shooters and collectors. It had a fixed match stock with
a rubber buttpad and an adjustable cheekpiece, folding bipod, flash hider, and a 6 x 42mm
Leupold VIII Adjustable Objective scope. It had an overall length of 40.39 inches [1026mm]
and a weight of 9.25 lbs. [4.2 kg]. Its Mean Standard Retail Price in 1986 was US$1,525;
this was more than twice what a stock HK94A2 or HK94A3 cost. Only 50 were imported into
the United States; authentic models have serial numbers running in the 43XX range.
As an aftermarket modification, a PSG-1 trigger pack with target pistol grip and match trigger
could be added by a gunsmith by changing the ejector and hammer spring. The 6x Leupold
scope was calibrated for .223 Remington rounds, so other scopes were often substituted. SP89: Sport Pistole M1989. Semi-automatic
only version of the MP5K designed for civilian use. It had a modified vertical foregrip redesigned
into a traditional handguard to make it compliant with the Semi-Auto Weapons Ban of 1989. It
was made from 1989 to 1994. Foreign Variant Copies
T-94 ZSG: Turkish MP5 semi-automatic-only clone manufactured by MKE for the civilian
European sport shooting market. The models available are the T-94P, T-94A, T-94K, and
T-94SD. The T-94SD comes with a functioning integral silencer. The solid stocks are welded
to the lower receiver to prevent the mounting of a retractable stock or receiver cap.
The AT-94 series, designed for the American market, is modified so that full-auto and
90-series trigger packs cannot be fitted. MP-10: A Philippine submachine gun manufactured
by Special Weapons Inc. based on the MP5. The SP-10 is a civilian semi-auto copy.
SMG PK-1: Pakistani copy of the MP5K but with a short retractable stock.
Manufacturers  China: Manufactured by Norinco as the NR-08
and NR-08A.  France: Manufactured under license by MAS.
 Greece: Manufactured under license by EAS.  Iran: Manufactured under license by DIO
as the Tondar and Tondar Light.  Mexico: Manufactured under license by SEDENA.
 Pakistan: Manufactured under license by Pakistan Ordnance Factories. They make the
MP5A2, MP5P3, MP5P4, MP5P5, and SMG PK. The SMG PK-1 is an MP5K clone with a short retractable
stock.  Saudi Arabia: Manufactured under license
by Al Kharj Arsenal, Military Industries Corporation.  Sudan: Manufactured by Military Industry
Corporation as the Tihraga, a clone of the Iranian Tondar.
 Turkey: Manufactured by MKEK. Their trigger groups are marked: E, T and S instead of SEF.
 United Kingdom: Manufactured under license by Royal Small Arms Factory – Enfield.
Users  Albania: Garda e Republikes.
 Argentina  Australia: Royal Australian Air Force Airfield
Defence Guards, Special Operations Command, and all Police Tactical Groups.
 Austria: EKO Cobra.  Bahrain
 Bangladesh: Bangladesh Army, Special Forces, Rapid Action Battalion, and Bangladesh Navy
Special Warfare Diving And Salvage.  Belarus: The MP5A3 and MP5K are used by
the “Almaz” anti-terrorist group.  Belgium
 Brazil: In Brazil, the MP5 was used by second line units.
 Bulgaria: 160 imported in 2009.  Cameroon
 Canada: Primarily used by Royal Canadian Navy boarding party personnel.
 Chile  China: Used by Chongqing SWAT
 Costa Rica: UEA Special Police Unit.  Croatia: Lučko Anti-Terrorist Unit
 Czech Republic: URNA police counter-terrorist group and other units of the armed forces.
 Democratic Republic of Congo  Denmark: Danish police, Danish police special
response unit, Royal Danish Army, Royal Danish Navy, and the Royal Danish Air Force.
 Dominican Republic: Issued to presidential guard units.
 Ecuador: Special units GOE and GIR from the National Police.
 Egypt: Egyptian military counter terrorism unit 777.
 El Salvador  Estonia: Estonian Police.
 Finland: Finnish Defence Forces under designation 9.00 konepistooli 2000.
 France: GIGN and certain specialized units within the French Army.
 Georgia: MP5K and MP5SD.  Germany: Bundespolizei, Landespolizei, German
Army, Feldjäger, GSG 9 special operations unit and German Navy.
 Ghana  Greece: Used by the EKAM counter-terrorist
group.  Honduras
 Hong Kong: Hong Kong Police Force.  Hungary:
 Iceland: Víkingasveitin, Icelandic National Police.
 India: Indian Army, MARCOS, National Security Guards, and Maharashtra State Force One. Also
used by the Special Protection Group until 2008, when it was replaced with the FN P90
and FN F2000.  Indonesia: Komando Pasukan Katak tactical
diver group of Indonesian Navy, Komando Pasukan Khusus special forces group of Indonesian
Army.  Iran:
 Iraq  Ireland: Army Ranger Wing, G2 Directorate
of Intelligence, Garda Special Detective Unit, Garda Emergency Response Unit
 Italy: Used by the Carabinieri.  Jamaica: Jamaica Constabulary Force.
 Japan: Special Boarding Unit, Special Assault Team, Special Security Team, Japanese Special
Forces Group, Japanese Imperial Guard.  Jordan
 Kuwait  Kenya: Kenya Police.
 Liechtenstein: Special Police Unit, Security Corps.
 Lithuania: Lithuanian Armed Forces, Aras.  Luxembourg: Unité Spéciale de la Police
intervention unit of the Grand Ducal Police.  Malaysia: Used by Royal Malaysian Customs,
Grup Gerak Khas, PASKAL and PASKAU, as well as the Pasukan Gerakan Khas. UNGERIN
 Malta: Armed Forces of Malta  Mauritius
 Mexico:  Morocco: Royal Moroccan Army, Royal Moroccan
Navy and Royal Moroccan Gendarmerie  Netherlands: Dutch Royal and Diplomatic
security, Arrestatieteam  New Zealand: New Zealand Special Air Service
Commandos and New Zealand Police Special Tactics Group
 Nicaragua  Niger
 Nigeria  Norway: Norwegian Armed Forces, to be replaced
by the MP7. Norwegian Police Service  Pakistan: Used by Pakistan Army, Airport
Security Force & personal security detail of VIP’s.
 Philippines: Armed Forces of the Philippines, and Philippine National Police Special Action
Force and other police and SWAT units.  Poland: GROM special forces unit., FORMOZA
special force unit, Police, Border Guard, CBA, ABW, Financial Police, Military Police
Special Unit from Warsaw  Portugal: Grupo de Operações Especiais.
 Qatar  Romania: Land Forces Special Operations
battalions.  Russia: Various police forces and special
forces.  Saudi Arabia:
 Serbia  Singapore: Singapore Armed Forces Commando
Formation and Singapore Police Force).  Slovakia: Various police forces.
 Slovenia: Slovenian Armed Forces and Slovenian Police
 South Africa: Special Task Force.  South Korea: Republic of Korea Naval Special
Warfare Brigade uses MP5A5 and MP5SD6.  Spain: Grupo Especial de Operaciones.
 Sri Lanka  Sudan:
 Sweden: Swedish Police Service.  Taiwan
 Thailand  Turkey: Used by various services.
 Ukraine: Used by the “Omega” special forces group.
 United Arab Emirates  United Kingdom: Used by the United Kingdom
Special Forces, Police Service of Northern Ireland, CO19, and most Authorised Firearms
Officers. Semi-automatic version for routine police use.
 United States: Special Operations Forces, Secret Service, and FBI Hostage Rescue Team.
Also used by various police SWAT units at federal, state, and local levels.
 Uruguay   Vatican City: Used by the Swiss Guard.
 Vietnam: Used by Armed Police Force.  Zambia
See also Table of handgun and rifle cartridges
References External links
Heckler & Koch MP5 at the Internet Movie Firearms Database
Heckler & Koch—official pages: MP5A series, MP5SD, MP5-N, MP5K, MP5SF
2008 Heckler & Koch Military and LE brochure HKPRO: MP5, MP5K, MP5SD, MP5/10 & MP5/40

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