Aero Precision M4E1 Threaded Complete Upper 5.56x45mm 16" MidLength Barrel Anodized Black ATLAS RONE 15" MLOK Handguard APAR700705M7
Aero Precision M4E1 Threaded Complete Upper 5.56x45mm 16" MidLength Barrel Anodized Black ATLAS RONE 15" MLOK Handguard APAR700705M7, Aeroprecision m4e1-t complete upper 16" mid-length bl rm15 Other Features: M4e1 threaded upper receiver forged 7075-t6 aluminum 15" atlas r-one mlok handguard hardcoat anodized, 1:7 twist threaded 1/2x28, a2 flsh hider assembled forward assist, and dust cover, 16" 5.56 cmv barl included muzzle break is not pinned or welded to this barl does not include bcg