AR Parts in 5.56x45mm NATO

STAG ARMS BCG 5.56/223 BLK-NICKEL BORON

Armaspec Victory AR15 Charging Handle Bronze

Armaspec Victory AR-15 Charging Handle, Blue

Armaspec Victory AR15 Compact Charging Handle Flat Dark Earth

CMMG Barrel Sub-Assm 10.5in MT 4140CM Salt Bath Nitride 5.56mm

Troy A4S Complete Upper Receiver 5.56x45mm NATO 11.5" Barrel

Strike Industries AR Billet Ultimate Dust Cover - OD Green

Next Level Armament NLX 5.56x45mm NATO AR-15 Complete Bolt Carrier Groups Nitride Black

Forward Controls Design N M4 M16 .223 Remington/5.56x45mm NATO Bolt Carrier Group Black Serrated FA Surface SBCG-N Serrated

SONS LCH5.56TUNG CHARGE HANDLE TUNG

SONS LCH5.56BNZ CHARGE HANDLE BRNZ

Sons of Liberty Gun Works M4-89 5.56 AR-15 Upper - 13.7"

SOLGW M4-89 10.5" 5.56 URG

East India 5.56x45 Assembled Upper Receiver Starter Kit For Ar15 - East India 5.56x45 Assembled Upper Medium 13.7'''' Bbl W/Rail

DMA Inc. XTS AR Precision Rifle Stock - Black

DMA Inc. XTS AR-15 .223 / 5.56 Anodized Bolt Carrier Group-Red

DMA Inc. AR-15 .223 / 5.56 Buffer Spring

BEAR CREEK ARSENAL 5.56 NATO COMPLETE UPPER 16" BRL 1:7 TWIST MID-LENGTH GAS MLOK W/ BCG & CHARGING

BEAR CREEK ARSENAL 5.56 NATO COMPLETE UPPER 10." BRL 1:7 TWIST CARBINE LENGTH GAS MLOK

TacFire AR-15 / AR-10 Upper Vise Block

AR-STONER Crown Muzzle Brake 1/2"-28 Thread AR-15 5.56/223 Stainless

Rainier Arms Mountain MOD3 Series 5.56 NATO AR-15 Threaded Barrel 10.5 inch Carbine Length 1-8 Twist 1/2x28 Black Medium

Rainier Arms Ruc Pro Mk2 5.56 Nato Partial Upper Receiver Black 12 in

Rainier Arms Ruc Pro Mk2 5.56 Nato Partial Upper Receiver Black 11.5 in