AR Parts in 5.56x45mm NATO

Tyrant CNC Nexgen AR15 Ambi Charging Handle Red

Tyrant CNC Nexgen AR15 Ambi Charging Handle Black

Gemtech Suppressed Adjustable M16 Bolt Carrier Assembly

BUSHMASTER QRC Upper 5.56 NATO 16" - Black

BUSHMASTER Bravo Zulu Upper 223 Rem/5.56 NATO 16" Black

LEAPERS UTG PRO AR15 15" SuperSlim Free Float Keymod Rail

UTG PRO Model 4/AR-15 Carbine Length 7" Free Float Quad Rail

Colt Commando AR-15 Barrel 5.56x45mm NATO 11.5" SOCOM Contour 1:7" Twist Parkerized

Colt M4A1 AR-15 Barrel 5.56x45mm NATO 14.5" Government Contour 1:7" Twist Matte

Colt Firearms M4 SOCOM Barrel 5.56 14.5 Stripped

Colt LE6920 AR-15 Barrel 5.56x45mm NATO 16" Government Contour 1:7" Twist Matte with Front Sight Base

Colt LE6921SOCOM 5.56mm 14.5" Heavy Bbl KAC Rail Matech BUIS Matte Black Upper Receiver Conversion Kit LE6921SOCOMCK

Colt M4 to M5 Commando 5.56 x 45mm, 11.5" Heavy Bbl Matte Black Conversion Kit CM556-11H-CK

Colt M4 to M5 Carbine 5.56 x 45mm 14.5" Heavy Bbl Matte Black Conversion Kit CM556-14H-CK

Rubber City Armory Low Mass Competition AR-15 BCG w/ Adjustable Gas Key

SureFire Suppressor Optimized 5.56 AR-15 Bolt Carrier Group - DLC

Brownells AR-15 Bolt Gas Ring Silver

Brownells AR-15 Buffer Retainer

Brownells AR-15 Buffer Retainer Spring Steel

LMT MRP-L M-LOK 11.5" Shovelnose Monolithic Upper Receiver

WILSON COMBAT Bolt Carrier Assembly 5.56x45mm Satin Gray SS

Ar-15/M16 G4 Side Charging Upper Receiver - G4 Side Charging Upper Receiver

Mimtac OK-AY AR-15 Ambidextrous Charging Handle O.D. Green

Mimtac F35 45/90 AR-15 Ambidextrous Safety Selector - Black