300 Blackout Handguard Rail
Android 2019 - 300 Blackout Handguard Rail, 300 blackout (16" barrel, free float quad rail) ar15, For the ar builder looking for the perfect combo of a usgi-like quad rail handguard and the new 300 blackout chamber, you've found your top choice. our complete 300 blackout rifle build kit features a quality heavy barrel constructed of 4150 chromoly steel and carbine-length quad picatinny handguard, housing a low-profile, carbine-length gas system.. Ar-15 upper assembly - 16" / 300 aac / 1:8 / 15" cbc arms, This ar15 upper receiver assembly comes ready to attach to any mil-spec lower receiver. it is built around a 16 inch, 4150 chrome moly barrel that is chambered in 300 blackout and has a black nitride finish. the upper receiver is a forged m4 flat top upper, allowing you to easily attach rifle scopes and red dot sights to the picatinny rail.. Bcm standard 9'' 300 blackout upper receiver group w/ bcm, Bcm standard 9" 300 blackout upper receiver group w/ bcm mcmr-8 handguard (nfa) these barreled upper receiver groups are designed for shooting professionals with the mil-spec features.