Upper Receivers

Machine Gun Armory MGA .300 Blackout Conversion Kit. MPN MGA556300.CB

Lewis Machine & Tool (LMT) AR-15 FSB 5.56 Barreled Upper Receiver - 10.5"

Lewis Machine & Tool (LMT) AR-15 5.56 NATO Flattop Stripped Upper Receiver - 16"

Lewis Machine & Tool (LMT) AR-15 FSB 5.56 Barreled Upper Receiver - 14.5"

Ke-15 Upper Reciever W/ Forward Assist & Dust Cover - Ke-15 Upper Reciever W/ Forward Assist & Dust Cover 5.56mm

Ke-15 Stripped Upper Receiver 5.56mm

Kaw Valley Precision 16" 9mm M-LOK Complete Upper

Kaw Valley Precision 16" 9mm Carbon Fiber Complete Upper

KAK Ejection Port Cover Assembly AR-15 Polymer White

KAK Ejection Port Cover Assembly AR-15 Polymer Red

KAK Ejection Port Cover Assembly AR-15 Polymer Gray

KAK Ejection Port Cover Assembly AR-15 Polymer Olive Drab

KAK Ejection Port Cover Assembly AR-15 Polymer Flat Dark Earth

KAK Ejection Port Cover Assembly AR-15 Polymer Black

JP Enterprises JP15 AR-15 Complete Upper Receiver 223 Remington (Wylde) 16" Barrel

JARD AR Side Charge .223/5.56 No Bolt Upper Receiver Assembly Black

Icarus Precision AR-15 Billet Stripped Upper Receiver

Icarus Precision AR 9mm Billet Stripped Upper Receiver

HM Defense HM15P 556 Nickel Boron Upper HMP15-SPFCR-556-NB

HM Defense HM 9.5" Straight Fluted bbl Pistol Upper Kit 9.5UP-STFCR-556

HM Defense HM Twist SS bbl Rifle Upper Kit 16UP-TWSS-556

HM Defense HM Straight Fluted bbl Rifle Upper Kit 16UP-STFCR-556

HM Defense HM Spiral Fluted SS bbl Rifle Upper Kit 16UP-SPFSS-556

HM Defense HM Spiral Fluted bbl Rifle Upper Kit 16UP-SPFCR-556