PSA JAKL 14.5" RIFLE LENGTH UPPER ASSEMBLY .300 AAC NITRIDE W/KNURLED CH, BCG, ASR, FDE

CMMG Resolute 16.10" Upper 8.6 Blackout 1:3 M-LOK Rail Carbine-Length, Armor Black

Rise Armament Compete Upper Grey .22 ARC 18 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

Rise Armament AR-15 Complete Upper Receiver 6mm ARC 18" Barrel 15" M-LOK Handguard Rifle Length Black

Rise Armament AR-15 Complete Upper Receiver 6mm ARC 18" Barrel 15" M-LOK Handguard Rifle Length Patriot Brown

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