5.56x45mm NATO Upper Receivers

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"

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

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

Blackout Defense Quantum Mark 2 AR15 Upper And Handguard Set

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

Mil-Sport Ar15 Stripped Upper Receiver - Mil Sport Ar-15 Stripped Upper Receiver 16'''' Bbl Black

AR-STONER AR-15 Pistol Complete Upper Receiver 5.56x45mm NATO 11.5" M4 Barrel 9.5" M-LOK Ultralight Handguard

AR-STONER AR-15 Pinned and Welded Complete Upper Receiver 5.56x45mm NATO 13.9" Barrel

AR-STONER EV2 Billet AR-15 Barreled Upper Receiver 5.56x45mm NATO 16" Barrel Flat Dark Earth

AR-STONER EV2 Billet AR-15 Pistol Barreled Upper Receiver 5.56x45mm NATO 11.5" Barrel Flat Dark Earth

AR-STONER EV2 Billet AR-15 Pistol Barreled Upper Receiver 5.56x45mm NATO 11.5" Barrel Black

AR-STONER Optics Ready AR-15 Complete Upper Receiver 5.56x45mm NATO 16" Barrel 1:7" Twist

AR-STONER EV2 Billet AR-15 Complete Upper Receiver 5.56x45mm NATO 16" Barrel Black

AR-STONER AR-15 A3 Complete Upper Receiver w/ Carry Handle 5.56x45mm NATO 20" Barrel

AR-STONER AR-15 Complete Pinned and Welded Upper Receiver 5.56x45mm NATO 14.5" Barrel

AR-STONER Optics Ready AR-15 Pistol Complete Upper Receiver 5.56x45mm NATO 10.5" Barrel

Angstadt Arms AR-15 5.56 Complete Upper Assembly - 16"

Andro Corp Industries AR-15 5.56 NATO Partial Upper Receiver Group - 10.3"