AR Parts in 5.56x45mm NATO

AR-15 Patriot Mag Release Kit w/ Extended Takedown Pin

Black Rain Ordnance 16" 5.56 NATO Complete Upper W/A2 Fixed Sight

Blackout Defense Quantum Mark 2 AR15 Upper And Handguard Set

Ar-15 Performance Series Barrels Mid-Length - Ar-15 13.9'''' Barrel Mid-Length Button Rifled 416 Ss

Blackout Defense Stryker AR-15 Ambidextrous Charging Handle - Black

Ar-15 Performance Series Barrels Mid-Length - Ar-15 16'''' Barrel Mid-Length Button Rifled 416 Ss

Rock River Arms BB0470 LAR-15M Rrage 3G Complete Upper, 5.56x45mm NATO 16\

Bear Creek Arsenal M16 Profile 5.56 Black Nitride Bolt Carrier Group

Bravo Company MFG (BCM) AR-15 BFH Upper Receiver Group - 16"

Bravo Company MFG (BCM) AR-15 Upper Receiver SS410 18 Rifle MCMR 15

Bravo Company MFG (BCM) AR-15 Upper Receiver BFH(.2.23/5.56) 11.5

Bravo Company MFG (BCM) MK2 Standard Complete Upper W/RAIDER-M13 Handguard

Bravo Company MFG MK2 BFH 16" Mid Length Upper Receiver Group w/ MCMR-15 Handguard

Bravo Company MFG (BCM) MK2 BFH 5.56 NATO Mid-Length Upper Receiver Group (ELW) w/ MCMR-15 Handguard - 16"

Bravo Company MFG (BCM) MK2 BFH 5.56 NATO Mid-Length Upper Receiver Group w/ MCMR-13 Handguard - 14.5"

Bravo Company MFG (BCM) MK2 BFH 5.56 NATO Mid-Length Upper Receiver Group (ELW) w/ MCMR-13 Handguard - 14.5"

Bravo Company MFG (BCM) MK2 BFH 5.56 NATO Carbine Upper Receiver Group w/ MCMR-10 Handguard - 11.5"

Bravo Company MFG (BCM) GUNFIGHTER Ambidextrous Charging Handle 556 MK2

Bravo Company MFG (BCM) GUNFIGHTER Asymmetric Charging Handle 556 MK2

Bravo Company MFG (BCM) Bolt Carrier Group - FLAT DARK EARTH-IB

Bootleg Mil Spec AR-15 5.56 NATO CamLok (M-Lok) Partial Upper

BattleHawk Armory Complete M16 AR-15 5.56/300 Black DLC Logoed Bolt Carrier Group With AR-15 WarHammer Mod2 Black Large Lever Ambi Black Charging Handle

BattleHawk Armory Complete AR-15 5.56/300 Black Nitride Logoed Bolt Carrier Group With AR-15 Mil-Spec Black Logoed Charging Handle

Ballistic Advantage AR-15 13.7 Mid Government Barrel 5.56 NATO 1-7 1/2-28