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CMMG Mk-W “Anvil” .458 SOCOM AR15 Review


– Hey guys, James again for TFB TV. Today on TFB TV I’ve got a little bit of an odd bird for you. It’s the CMMG Mark W. I know what you’re thinking. Does Mark W stand for Mark Wahlberg? Unfortunately, no, it does not. This not an homage to Markie-Mark. It’s an AR-15 in 458 SOCOM. Now the guys at CMMG just
called this thing the Anvil, and I can see why because this
thing, it’s solid as a rock and it is a bruiser. 458 SOCOM is a powerful round
and this is just as powerful a gun behind it. This CMMG is custom-built
from the ground up. CMMG engineered it and as
you’ll see later in the video I actually interviewed
one of CMMG’s engineers, one of the guys who was
behind the manufacture and the design of this gun. Now, going from the front
to the back you can see the front’s got a muzzle-brake
to help with the recoil of that 458 SOCOM, it’s
got a free-float CMMG KeyMod handguard that goes all the way, almost the entire length
of the 16-inch barrel, KeyMod and three, six
and nine o’clock running the full length of the handguard. You may notice here this has
got a Lancer, what looks like a Lancer .223 magazine,
it even says 5.56 by 45mm in the mag well, but at the
very top where the follower is, it says 458 SOCOM. Now, while 458 SOCOM will work in any 5.56 .223 STANAG AR-15 magazine, 5.56 45mm PMAG. CMMG has manufactured,
collaborated with Lancer to manufacture these magazines that are optimized for 458 SOCOM. It also comes with a Magpul
MOE grip, a Magpul CTR stock, standard charging handle,
standard safety selector, standard mag release, standard
bolt catch and bolt release, Billet Lower, gorgeous Billet
Lowers, an AR-10 Lower, based on the AR-10, however
the mag well is slightly different to accommodate
the AR-15 profile magazine. There’s also a few other
improvements in the Lower that I can talk about a little bit later. The mag well is also
beveled since you have all that extra space. It’s beveled and flared, so
easy insert for these magazines. This thing just reeks of CMMG,
which means it is quality from front to back, it
feels like a great gun, handles well, I’ve shot
it already, and it handles the 458 SOCOM round beautifully,
even though the 458, there’s no way around it,
it’s kind of a bruiser. So that really raises the
question why did CMMG make, from the ground up, a
458 SOCOM-dedicated AR? Now, as I said I interviewed
CMMG’s engineers, and they say one of the primary
reasons was the versatility of the 458 SOCOM round. – [Voiceover] On the
458 we liked it because it’s very versatile, and
it’s projectiles ranging from 140 grains around 3000 feet
per second to 600 grain at around 1000. So you
got super and sub-sonic. There’s just a lot of–a lot
of innovation that you can’t really pack into a 5.56. So, with all of that on top of that ballistic energy that it creates it’s,
to me, and to the owners and the people who get to
decide which projects we do, it is a very awesome round. Most people are wondering is
that 458 worth the trade-off with the reduced capacity
and the cost and what-not, and my answer to that, and
I believe a lot of people, it’s entirely dependent on
what you’re wanting to do with the rifle. I would not go up against a
600-pound hog with a 5.56. So it depends, if you’re
looking to go against big game, and you want to be able to
knock it down, the Anvil, with the 458 SOCOM is gonna be your rifle. – [James] So CMMG really wants
to emphasize that not only is ammo available but a lot
of different types of ammo are available, and they’re
all built for their own distinct purposes. So that again goes back to
the versatility of the round. On the left-hand side is the Black Butterfly 300
grain ballistic tip. On the right-hand side is the Black Butterfly 350 grain flat nose. This is the Corbon DPX Deep
Penetrating Expanding round, 300 grains, 1900 feet per second velocity. Here’s the Underwood Expander,
which is a 300 grain round that reaches almost 1900
feet per second in velocity. This round is a funny one. This is the 140 grain,
Polycase ARX Inceptor. – [Von] I don’t know the
specifics completely but due to the Polycase, the
way they designed it, it actually spins, so it’s travelling at 3000 feet per second
but the way it spins and the way it’s designed,
it multiplies the fluid that spins off of it at three
times whatever it’s traveling, so when it goes into a wound
it’s like throwing, you know, whatever it’s throwing out
at like 9000 feet per second. – As far as defense guns go,
it’s gonna be hard to swing me over to 458 SOCOM coming
from 5.56 or .223 in the AR-15, the standard chambering. And that’s because the 458
SOCOM is really expensive, as I said the recoil is
brutal but of course, the trade-off is you get a ton of power and a lot of versatility with the rounds, but, one of the biggest
considerations for me is this, which would otherwise be a
30-round magazine for 5.56 will hold 9, 10 or 11 458 SOCOM rounds. So you’re basically cutting
your capacity by a third. But again, CMMG is primarily
targeting this rifle towards hunters and that’s
something that it’s going to do very well at, especially
with the adaptability of the 458 SOCOM to
differing circumstances. But let’s go over the specs
real quick before I take it to the range again. There are three variations
of the Anvil right now, there’s the standard
Anvil-T which is $1850, the Anvil-XBE which adds Magpul
furniture and ups the price to $1950. And then the XBE-2 which
add a Magpul furniture and a Geissele two-stage trigger. The XBE-2 with the
two-stage trigger is $2149. The one I shot today is the XBE
and it has an MSRP of $1949. Barrel has a one in fourteen
inch twist, some medium taper, a 416 stainless steel barrel. It comes with a CMMG SV muzzle brake. The barrel is threaded five-eighths by 32. Billet, upper and lower
7075 T6 aluminum receivers. The XBE has the single stage
mil spec trigger, but again you can go to the XBE-2
and get the Geissele. It comes with the MOE pistol grip. CTR carbine stock. It weighs seven and a
half pounds unloaded. It is 33 and a half inches collapsed, and has an MSRP of $1949. CMMG says that using a
large diameter caliber like 458 SOCOM with a standard 5.56
bolt would require a lot of material to be milled out
the standard 5.56 bolt face in order to function,
which would make it thin and fragile, so the power bolt
using the larger bolt face is a little bit more robust
than using a milled-out 5.56 bolt face, which makes
a lotta sense to reduce the weight, and although the
frame is based on the AR-10 the mag well accepts an AR-15 magazine. And one thing really
cool perk is that it uses the SLR Rifleworks Sentry
7 Adjustable Gas Block, so you can click-adjust
the gas block to work with varying loads of 458 SOCOM. So as long as I’ve been shooting I have never fired 458 SOCOM. This is gonna be a first for me. Let’s see how this monster of a round shoots out of this platform. Good lord. Good lord. That is a bruiser of a round. Uhhh. Whoo! God, I gotta tell you guys,
that has a shitload of recoil. I try not to complain, but that is holy shit. That is a lotta kick. Now you guys that are getting
458 SOCOM, you’re getting it for a reason. You know what you’re getting into. It’s got a lotta kick because
it’s got a lot of power. There’s a lot under the hood. You’re talkin’ about, 2000
feet per second, 300 grain, like .44 Magnum size bullets, screaming out at 2000 feet per second. That’s pretty damn impressive,
but what’s gonna happen? You’re gonna have some recoil. What else is gonna happen? You’re gonna be severely
limited in terms of your magazine capacity. This is a 30-round magazine
if you jam 5.56 into it, but once you start using
458 SOCOM you get 10. All right so I’m gonna try
some different ammo types here. The top five rounds in this magazine are the Black Butterfly
350 grain flat nose rounds, the bottom five rounds are going to be the Black Butterfly
ballistic tip 300 grain. Let me see if I can tell a difference at least in terms of recoil. Wow. Those 300 grains definitely
had a little more ummph to ’em. Um, so, all other things being
equal, if you’re trying to decide between the two of them
and recoil’s a factor to you I would definitely go
for the heavier rounds rather than the lighter. But you know, this thing’s
working wonderfully. Uh, everything works on it. Looks good, works well. Try a few more different types of ammo. All right now I’ve got
the 140 grain Polycase. Man! That’s very little
recoil for a 458 SOCOM round. Wow, I don’t know why that is. But, can’t explain it to
you but I can tell you that the 140 grain Polycase, very
easy in terms of recoil. Man, I’m telling you
guys, I really like this 140 grain, the Polycase 140 grain. Very pleasant. I don’t know what it does, if anything. But it does have light recoil. Pretty nice. Now I know I’m gonna regret
it, but let me go ahead and let five or six of these
just rip and see what happens. Yeccch. (quickly exhales) Wooo! God! Ahh, man. That’s nuts. So, final thoughts on the CMMG 458 SOCOM. You’re getting a CMMG AR-15 in 458 SOCOM. That’s all that really needs to be said about the rifle itself. Fit and finish is excellent, I love the free-float handguard, I love the Magpul factory
furniture that it comes with, it’s a nice AR platform
gun, and it’s in 458 SOCOM, so if you’re interested
in the 458 SOCOM, great, look at CMMG. I guess the bigger issue
is the fact that this gun is chambered in 458 SOCOM. Now I think it’s fantastic
when manufacturers like CMMG offer support to what were
previously regarded as wildcat calibers, and a lot
of you out there, I’ll bet 90% of you watching this
video have never handled a 458 SOCOM, fired one, I know I hadn’t until I made this video. But then the other 10% out
there are probably ecstatic, giddy that you’re gonna be
able to find this monster of a caliber in a
mainstream-produced AR-15 like the CMMG Anvil. So the bottom line is
this is an excellent AR that just happens to be chambered
in a semi-obscure round. Am I gonna buy this gun? Probably not. Are you gonna buy this gun? Probably not. However CMMG knows that
and they have marketed this towards a sub-set of shooters
who are going to welcome it with open arms, as they should, because CMMG did a great
job with this rifle, and they’ve done a great job
getting third party support for 458 SOCOM ammunition, making sure that you can find the load
that you want, and really, ammo availability is very important if you want a platform
like this to take off. So, all in all, great job again
CMMG, thanks for sending me this pre-production model to review. Guys, I will see you again next week.

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