5.56x45mm NATO Gun Parts

KNS Precision Enhanced Bolt Catch Button for the 5.56mm Galil ACE Black Galil Bolt Catch Button

Criterion Barrels 18in AR-15 Hybrid Rifle Gas System Barrel Chrome-lined Parkerized

Criterion Barrels 16in AR-15 Hybrid Rifle Gas System Barrel Chrome-lined Parkerized

Criterion Barrels 24in AR-15 Bull Rifle Gas System Barrel Stainless Steel

Criterion Barrels 20in AR-15 HBAR Rifle Gas System Barrel SS Stainless Steel

Criterion Barrels 20in AR-15 HBAR Rifle Gas System Barrel Chrome-lined Parkerized

Criterion Barrels 18in AR-15 Fluted Rifle Gas System Barrel Stainless Steel

Criterion Barrels 16in AR-15 HBAR Mid Length Gas System Barrel Chrome-lined Parkerized

Criterion Barrels 18in AR-15 Hybrid Carbine Length Gas System Barrel Stainless Steel

Criterion Barrels 16in AR-15 Hybrid Carbine Length Gas System Barrel Chrome-lined Parkerized

Criterion Barrels AR-15 SBR Ultralight Barrel Mid-Length Gas Chrome-lined 14.5in

Criterion Barrels AR-15 SBR Ultralight Barrel Chrome-lined 12.5in

Criterion Barrels AR-15 SBR Ultralight Barrel Chrome-lined 10.5in

Black Rain Ordnance Lower Parts Kit 5.56/.223 FDE

Sharps Rifle Company Precision 5.56 Nato/ 223 Wylde Sharps Barrel 1-8In With E6 Rifling Black

Guntec USA AR-15 Stripped Billet Upper Receiver w/15in Ultralight Series M-Lok Handguard Flat Dark Earth

Guntec USA AR-15 5.56 Complete Ultralight Series Pistol Kit No Lower Flat Dark Earth

Guntec USA AR-15 Stripped Billet Upper Receiver w/7in Ultralight Series M-Lok Handguard Flat Dark Earth

Guntec USA AR-15 Stripped Billet Upper Receiver w/12in Ultralight Series M-Lok Handguard Flat Dark Earth

Guntec USA AR-15 Micro Reverse Thread Slip Over Socom Style Fake Suppressor Gen 2 Anodized Purple

Guntec USA AR-15 Stubby Slim Compact Flash Can Black/Stainless

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

Ballistic Advantage 5.56 Bolt Carrier Group BCG Full NiB

Vltor AR15/M16 MUR Hammer Forged Modular Upper Receiver Includes Shell Deflector and Forward Assist Black