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

FN America AR-15 16" Barrel 556NATO 1:7 Twist Button Broached, Black - 20100039

FN America AR-15 16" Barrel 1:7 Twist Button Broached, Black - 20100046

Faxon Firearms M4 Button Rifled Barrel 5.56x45mm 16", Black

Faxon Firearms Mid-Length Button Rifled Gunner Barrel 5.56x45mm 16", Black

TacFire AR-15 Blow Back 9mm 1:10 4150 Chrome Moly Vanadium Barrel - 1/2x36 - 10.5"

DMA Inc. XTS AR-15 5.56 NATO 4150 CMV Barrel - Carbine - Government - 10.5" - 1:7

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