Results for 5.56x45mm NATO Receiver Parts

Primary Weapons Systems MK1 Mod 2-M Complete Lower 5.56 30-Rounds

Colt AR-15 Pistol Complete Upper Receiver 5.56x45mm NATO 14.5" Barrel

Smith and Wesson M&P-15 Lower Receiver 5.56 NATO Stripped

One Horse OH-15 Complete Pistol Upper 5.56 10.5 Barrel CH/BCG

American Defense UIC Stripped Lower 5.56/.223

Radian Weapons Upper/Handguard Set Flat Dark Earth 5.56

BCM BCM4 Mod-2 SOPMOD AR-15 Complete Lower Receiver Anodized Black

Primary Weapons System MK1 Mod 2-M AR-15 Ambidextrous Stripped Lower Receiver Anodized Black

Geissele AR-15 Super Duty MOD1 Pinned and Welded Complete Upper Receiver 5.56x45mm 13.9" Cold Hammer Forged Barrel M-LOK Black

Geissele AR-15 Super Duty MOD1 Complete Upper Receiver 5.56x45mm 10.3" Cold Hammer Forged Barrel M-LOK Black

Geissele AR-15 Super Duty MOD1 Complete Upper Receiver 5.56x45mm 11.5" Cold Hammer Forged Barrel M-LOK DDC

Geissele AR-15 Super Duty MOD1 Complete Upper Receiver 5.56x45mm with Pinned 14.5" Cold Hammer Forged Barrel M-LOK DDC

Colt AR-15 Complete Upper Receiver 5.56x45mm NATO 16" Barrel

Colt Monolithic AR-15 Complete Upper Receiver 5.56x45mm NATO 16" Barrel

One Horse OH-15 Complete Lower 5.56 / .300 AAC Blackout

Geissele Super Duty AR-15 Barreled Receiver 5.56x45mm NATO 16" Barrel Black

Geissele Super Duty AR-15 Pistol Barreled Receiver 5.56x45mm NATO 11.5" Barrel Desert Dirt

Radian Weapons R0427 Model 1 Multi Caliber N/A Cerakote Ambidextrous

Faxon AR-15 ARAK-21 Upper Receiver Assembly 5.56x45mm NATO 12.5" Barrel

Aero Precision M4E1 Stripped Lower Black

Geissele AR-15 Super Duty MOD1 Pinned and Welded Complete Upper Receiver 5.56x45mm 13.9" Cold Hammer Forged Barrel M-LOK DDC

Colt Firearms LE6920 Complete Upper 5.56 NATO / .223 Rem 16 Barrel

One Horse OH-15 Complete Pistol Upper 5.56 7.5 Barrel CH BCG

Geissele Automatics Super Duty Stripped Upper Flat Dark Earth 5.56 16 Barrel