KAK INDUSTRY Pro 5.56 13.9" Mid Len Gas AR-15 Chrome Lined Blk

KAK INDUSTRY Pro 5.56 16" Mid Len Gas AR-15 Chrome Lined Blk

BALLISTIC ADVANTAGE Premium Series 6MM ARC 16", 5/8x24, 1:7 Mid Length Gas Barrel for AR10

Brownells BRN-4 13.7'' Barrel Medium Chrome Lined Phosphate 5.56x45 1-7 Twist

Tacfire 9mm 16" Barrel, Nitride Black - BAR9MM-16-BN

Brownells BRN-4 16 Inch Barrel Medium Chrome Lined Phosphate 5.56x45 1-7 Twist

Odin Works ULTRAlite AR-15 16.1 Intermediate-Length Gas 6.5 Grendel 1:8 Stainless Steel Barrel with Tunable Gas Block And BCG

Brownells BRN-4 10.4 Inch Medium Contour Chrome Lined Barrel 5.56x45 1-7 Twist