Bear Creek Arsenal 5.56 AR-15 Barrel - Carbine - M4 - 1:8 Twist - 10.5"

TacFire AR-15 Carbine-Length Gas .223 / 5.56 1:8 Nitride Barrel - 14.5"

TacFire AR-15 Carbine-Length Gas .223 / 5.56 1:8 Nitride Barrel - 16"

TacFire AR-15 Blow Back .45 ACP 1:16 4140 Chrome Moly Steel Barrel - 5/8x24 - 16"

TacFire AR-15 Blow Back .45 ACP 1:16 4140 Chrome Moly Steel Barrel - 5/8x24 - 7.5"

DMA Inc. XTS AR-15 5.56 NATO 4150 CMV Barrel - Carbine - Government - 16.5" - 1:8

TacFire AR-15 Blow Back .45 ACP 1:16 4140 Chrome Moly Steel Barrel - 5/8x24 - 10.5"

TacFire AR-15 Blow Back .45 ACP 1:16 4140 Chrome Moly Steel Barrel - 5/8x24 - 4.5"