BLEM Harrington & Richardson M16A2 Complete Upper W/ 20" FN Hammer Forged Barrel, Gray

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

Nordic Components 22RB Dedicated 16" Railed Upper .22LR 1:16 no BCG&CH, Black

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

Rise Armament Compete Upper Grey .22 ARC 18 Barrel