WINDHAM WEAPONRY HBC 16IN HEAVY UPPER REC/BARRE

SPIKES TACTICAL Barrel 223/5.56 16" Hammer Forged fits AR Rifles

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

AERO PRECISION AR15 5.56 NATO / 223 Rem 20" Complete Upper Receiver w/ Carry Handle | Black

Radian Weapons R0027 Complete Upper 300 Blackout 9" Black Barrel, 7075-T6 Aluminum Radian Black Receiver, Extended with Magpul M-LOK Handguard for AR-15

BUSHMASTER M4 Type Patrolman Flat Top A4 Upper 5.56 16" Black

BATTLE ARMS Workhorse Upper Recv 5.56 16" AR-15 Sniper Gray

BATTLE ARMS Workhorse Upper Recv 5.56 16" AR-15 Sniper Gray