7.62x39mm

Handguard OptionAR-15 10'' Angle CutClamp on M-LOK Handguard - Made in U.S.AAR-15 12'' Angle CutClamp on M-LOK Handguard - Made in U.S.AAR-15 15'' Angle CutClamp on M-LOK Handguard - Made in U.S.AAR-15 10'' M-LOK SuperSlim Free Float Handguard with Steel Barrel Nut - Made in U.S.AAR-15 12'' M-LOK Su..

CERAKOTE BURNT BRONZE | AR-15 Angle Cut Clamp on M-LOK Handguard 10 Inch | Made in USA10" 7.62X39 Barrel | Black Nitride Finish | Made In U.S.A.AR-10 / LR-308 /47/300AAC THREAD-ON FAKE CAN MUZZLE BRAKECerakote Burnt Bronze | AR-15 Mil-Spec Upper ..