DMA Inc. XTS AR-15 5.56 NATO 4150 CMV Barrel - Pistol - SOCOM - 7.5" - 1:7

DPMS KITTY KAT 5.56 7.5IN BARREL A4 QUAD RAIL CAR BRACE FDE DP51655227754

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

Ballistic Advantage Performance Barrel 5.56x45mm 13.70", Black - Compact and Efficient Barrel - BABL556036F

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

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

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

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