AR Parts in 5.56x45mm NATO

Guntec USA AIR-LOK Series M-LOK Compression Gen 2 Free Floating Handguard w/Monolithic Top Rail 15in Bronze

Guntec USA AR 5.56 Gen 2 Extended Takedown Pin Set Irish Green

Guntec USA AR-15 Slip Over Fake Suppressor 5.56mm 1/2-28 Matte Rainbow Pvd Coated

Guntec USA AR-15 Slim Line Cone Flash Can 5.56/.223/9mm 1/2x28 Anodized Bronze

Guntec USA AR 5.56 Gen 2 Extended Takedown Pin Set Orange

Guntec USA AR-15 Accent Kit Black

Guntec USA AR-15 Finishing Kit Black Chrome

Guntec USA AR-15 Finishing Kit Matte Rainbow Pvd Coated

Guntec USA AR 5.56 Gen 2 Extended Takedown Pin Set Rainbow

Guntec USA AR-15 Micro Pistol Furniture Set Anodized Bronze

Guntec USA AR-15 Micro Pistol Furniture Set Anodized Gold

TACFIRE 10.5" 5.56 Stainless Steel Unassembled Pistol Kit

Rainier Arms Mountain MOD3 Series 5.56 NATO AR-15 Threaded Barrel 12.5 inch Carbine Length 1-8 Twist 1/2x28 Black Medium

Rainier Arms Ruc Pro Mk1 5.56 Nato Partial Upper Receiver Black 12.5 in

Rainier Arms Ruc Pro Mk1 5.56 Nato Partial Upper Receiver Black 11.5 in

Rainier Arms Ruc Pro Mk1 5.56 Nato Partial Upper Receiver Black 10.5 in

Rainier Arms Ruc Pro Mk2 5.56 Nato Partial Upper Receiver Black 10.5 in

Rainier Arms RUC DI 5.56 NATO Partial Upper Receiver 16in Black Medium

Rainier Arms .223/5.56 Flash Hider 1/2x28 Black Small

Lead & Steel AR-15 5.56mm Threaded AR Barrel 18in Government Rifle Length 1-7 Twist 1/2x28 Nitride Black

Lead & Steel AR-15 5.56mm Threaded AR Barrel 12.5in Government Carbine Length 1-7 Twist 1/2x28 Nitride Black

Lead & Steel AR-15 5.56mm Threaded AR Barrel 8in Medium Pistol Length 1-7 Twist 1/2x28 Nitride Black

Lead & Steel AR-15 5.56mm Threaded AR Barrel 5in Medium Micro Length 1-5 Twist 1/2x28 Nitride Black

Lead & Steel Mil-Spec Threaded Stripped Upper Receiver Canopy Green