Brownells has put together a collection of
high quality parts that can be combined to create a complete upper receiver.
The base of this kit is the Bushmaster stripped, A3 style flat top upper receiver that is carefully
machined to milspec dimensions. The kit also features a Daniel Defence 11.5-inch, chrome
lined barrel with 1-7 twist, a Bushmaster complete Bolt Carrier Group, a Brownells low
profile gas block and a Midwest Industries Gen 2 SS Series 9-inch free float handguard.
The kit is rounded out with DPMS parts including an A2 style flash hider, crush washer, delta
ring assembly, M4 handguard, forward assist assembly, ejection port cover assembly and
a charging handle. Like everything else we sell, the Brownells
AR15 Free Float SBR Build Kit is backed by our 100% unconditional forever satisfaction