AR Parts in 5.56x45mm NATO

Faxon AR-15 Bolt Carrier Group 5.56x45mm NATO Nitride Black

BCM Gunfighter MCMR AR-15 M-LOK Handguard 13.4" Black

BCM Gunfighter MCMR AR-15 M-LOK Handguard 15" Black

SB Tactical HBPDW AR-15 Pistol Brace 5.56x45mm NATO

Geissele Super AR-15 Ambidextrous Charging Handle Black

Rise Armament AR-15 Bolt Carrier Group 223 Remington/5.56 NATO 4140 Steel Black Nitride

Rise Armament Super Sporting Drop-In Trigger Group Curved with Anti-Walk Pins AR-15 Single Stage Don't Tread on Me Gadsden Flag

LANTAC Dragon 5.56x45mm Muzzle Brake 1/2"-28 Thread AR-15 Steel Nitride

Ballistic Advantage Performance Series 5.56 16 Barrel Hanson Profile

CMMG AR-15 Bolt Upgrade Kit

BCM Gunfighter MCMR AR-15 M-LOK Handguard 10.5" Black

Bravo Company BCM Low Profile Gas Block AR-15, LR-308 .750"

Bravo Company BCM Low Profile Gas Block AR-15, LR-308 .625"

Geissele Super Modular MK4 AR-15 Customizable Handguard 9.3" Black

Ballistic Advantage AR-15 18 Barrel 5.56 NATO

Ballistic Advantage AR-15 Barrel 5.56x45mm NATO 14.5" Government Contour 1:7" Twist QPQ

Radian Raptor SD-L AR-15 Ambidextrous Charging Handle Black

Radian Raptor Combo AR-15 Charging Handle Black

Radian Raptor-SL AR-15 Ambidextrous Charging Handle Black

Faxon Duty Series AR-15 Barrel 5.56x45mm NATO 13.9" Gunner Contour 1:8" Twist Nitride

Faxon AR-15 Bolt Carrier Group 5.56x45mm NATO Titanium Nitride PVD

Faxon Ultra Low Contour Gas Block AR-15, LR-308 0.750" Matte Black

Faxon Gunner Lightweight AR-15 Bolt Carrier Group 5.56x45mm NATO Nitride Black

Faxon Duty Series Gunner AR-15 Barrel 5.56x45mm NATO 20" Gunner Contour 1:8" Twist QPQ Black