5.56x45mm NATO Rifle Parts

Ballistic Advantage AR-15 Barrel 5.56x45mm NATO 16" Hanson Contour 1:7" Twist Phosphate with Low Profile Gas Block

Spikes Tactical STU5435-R2S ST-15 Enhanced Mid Length Upper 5.56 16In

Aero Precision M4E1 Stripped Lower Black

BCM MK2 RMS-M1T0 Mod-0 AR-15 Complete Lower Receiver Anodized Flat Dark Earth

Midwest Industries AR-15 Pistol Barreled Upper Receiver 5.56x45mm NATO 10.5" Barrel

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

CMMG Dissent MK4 Upper 5.56 10.5 Barrel

Armaspec Lower Parts Kit Blue for AR-15

Lancer Systems 1-Piece Adaptive AR-15 Magwell Aluminum Black

LBE Unlimited AR-15 Ready Build Kit Complete Upper 5.56 / .223 Rem 7.5 Barrel

TacFire AR Build Kit Lower 5.56 7.5 Barrel

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

Surefire SOCOM556-SB2 Dark Earth 5.56 Sound Suppressor Quick Detach

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

One Horse OH-15 A3 Stripped Upper Multi-Cal

American Defense UIC Stripped Lower 5.56/.223

Geissele USASOC URG-I Near Clone AR-15 Pistol Complete Upper Receiver Improved Complete 5.56x45mm NATO 10.3" Barrel with Surefire SF4P

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

Faxon Firearms ARAK21 Complete Upper Midnight Bronze 5.56 16 Barrel

Aero Precision AR15 Stripped Upper Black

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

Luth-AR AR-15 .223 Complete Upper Assembly 24 Barrel

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

Spikes Tactical 16" Upper 5.56x45mm 1:7 Quad Rail Mid-Length with BCG, Black - Enhanced Carbine Upper - STU5035CQ2F