7.5" 5.56 NATO Polygonal Barrel

10.3" 5.56 MK18 Nitride Barrel w/NP3 Barrel Extension

7.5" 5.56 NATO Spiral Fluted Barrel w/NP3 Barrel Extension Nitride 1:8

Smith & Wesson 9mm M&P 2.0 Stainless Steel Barrel Threaded 1/2x28 (SALE)

7.62x39 / 6.5 Grendel Type 1 Nitride Bolt Carrier Group SPV2

SPINTA 15" SPL15 FDE Keymod Free Float Rail

8" 300 Blackout 1:8 Twist Melonite Barrel

8" 300 Blackout Stainless Steel Barrel 1:8 Twist

10.5" 300 Blackout 1:8 Twist Barrel

8" 300 Blackout 1:8 Twist Barrel

45 ACP Nitride Bolt Carrier Group w/5.56 extractor (Sale)

9mm Nitride Bolt Carrier Group w/5.56 extractor (Sale)