5.56x45mm NATO Rifle Parts

Spikes Tactical Barrel 5.56 - 14.5in Midlength CHF w/M4 Extension w/FSP

Spikes Tactical Barrel 5.56 - 14.5in Mid-Length Lightweight w/Gas Block

Spikes Tactical Barrel 5.56 - 14.5in MidLength Lightweight w/ FSP

Spikes Tactical Barrel 5.56 - 14.5in Mid-Length Lightweight

Spikes Tactical Barrel 5.56 - 11.5in Lightweight CHF w/M4 Extension w/FSP

Ar-15 Gamma 556 Brakes 5.56 - Gamma 556 Bbs Muzzle Brake 5.56 1/2-28 Stainless Steel

Aero Precision AR15 Stripped Upper Receiver Uncoated

Aero Precision M5 Threaded Stripped Upper Receiver Uncoated

Ar-15 Delta 556 Muzzle Brake 5.56 - Ar-15 Delta 556 Bbss Muzzle Brake 5.56 1/2-28 Ss

Mrp-L M-Lok 5.56mm Assembled Upper Receiver - Mrp-L M-Lok 5.56/300 Blk 9.25'''' Assembled Upper Receiver

Desert Tech MDRx 5.56 NATO/.223 Rem 20" 30rd FE Conversion Kit MDR-CK-B2030-FE

Desert Tech MDRx Compliant Conversion Kit 5.56 NATO/.223 Rem 20" 10rd FE MDR-CK-B2010-FE

Desert Tech MDRx Compliant Conversion Kit 5.56 NATO/.223 Rem 16" 10rd SE MDR-CK-B1610-SE

Desert Tech MDRx Compliant Conversion Kit 5.56 NATO/.223 Rem 16" 10rd FE MDR-CK-B1610-FE

Desert Tech MDRx Compliant Conversion Kit 5.56 NATO/.223 Rem 20" 10rd SE MDR-CK-B2010-SE

Desert Tech MDRx 5.56 NATO/.223 Rem 20" 30rd SE Conversion Kit MDR-CK-B2030-SE

Phase 5 Weapon Systems Inc Complete P5T15 Rifle Upper Assembly 5.56mm 16 Inch Chrome Lined Barrel

Phase 5 Tactical A3 Flat Top Upper Receiver

IMI Defense Polymer Trigger Guard Olive Drab Green IMI-ZTG1O.D. GREEN

IMI Defense Polymer Trigger Guard Black

JP Enterprises Small Frame Variable Mass Bolt Carrier Group BCG With Jpeb-6.5G Enhanced Bolt Black

JP Enterprises Small Frame Variable Mass Bolt Carrier Group BCG With Jpeb-223 Enhanced Bolt Black

JP Enterprises Complete JPBC Bolt Carrier Group BCG JPBC-4SP Silver

Ar-15 Lightweight Upper Receiver W/ Slim Line Handguards - Ar-15 16'''' Lightweight Upper W/ 15'''' M-Lok Slh Rail