PSA JAKL,8.5" 300BO NATO Nitride, With BCG, Bolt Catch and Bolt Catch roll Pin, Smoke

CMMG Resolute Mk4 AR-15 Complete Upper Receiver 350 Legend 16.1" Barrel

Spike s Tactical 16-inch AR-15 Complete Upper 5.56 NATO M4 LE with 9-inch Rail

Spikes Tactical ST-15 Enhanced Mid-Length Complete Upper 5.56 / .223 Rem 16-inch CHF

Rise Armament Compete Upper Grey .22 ARC 18 Barrel

Nordic Components 22RB AR-15 Complete Upper Receiver 22 Long Rifle 16" Barrel

Rise Armament AR-15 Complete Upper Receiver 22 ARC 18" Barrel 15" M-LOK Handguard Rifle Length Black

Rise Armament AR-15 Complete Upper Receiver 22 ARC 18" Barrel 15" M-LOK Handguard Rifle Length Patriot Brown