Aero Precision Complete AR-15 Upper Receiver Parts Kit - Open Box

Rise RISE Oh S#it Kit Spare AR-15 Parts - Display Restock

Timber Creek Outdoors TCO Enforcer Upper Parts Kit for AR-15, Purple Anodized - E UPK PPA

Timber Creek Outdoors AR Lower Parts Kit for AR-15, Robin's Egg Blue - AR LPK RE

Timber Creek Outdoors TCO Enforcer Upper Parts Kit for AR-15, Red - E UPK R

AERO PRECISION M5 308 Win Assembled Upper Receiver | OD Green

AERO PRECISION M5 308 Assembled Upper Receiver | Kodiak Brown Anodized

AERO PRECISION M5 .308 Stripped Upper Receiver - Anodized Black