5.56x45mm NATO Rifles

APF Armory M4-LE Rifle 5.56mm 30/rd 16" Barrel with Sight Post

Guntec USA AR-15 5.56x45mm NATO Slabside Stripped Billet Upper Receiver Anodized Purple

Guntec USA AR-15 5.56x45mm NATO Slabside Stripped Billet Upper Receiver Anodized Green

Double Star C3 5.56mm Flat-Top Constant Carry Carbine with Magpul MBUS Sights

Rainier Arms Ruc Pro Mk1 5.56 Nato Partial Upper Receiver Black 16 in RA-MK1-16-PU-BLK

Rainier Arms Ruc Pro Mk2 5.56 Nato Partial Upper Receiver Black 12.5 in

Rainier Arms RUC DI 5.56 Nato Partial Upper Receiver Black 10.5 in

LANCER L15 PATROL 556

ACI-15 16 BRAVO MOD 0 CAL 5.56MM

Andro Corp Industries ACI-15 Bravo Base Semi Automatic Rifle 5.56x45mm NATO 16" Melonite Black Threaded Barrel Burnt Bronze Frame Black Pistol Grip

Ruger American 5.56 NATO Bolt-Action Rifle with Origin Raptor Highland Camo Stock

Ruger Enhanced Precision Rifle 5.56mm NATO

RUGER AR-556 5.56 16" 30rd w/ Flip-up Sight - Black

RUGER AR-556 FDE 30rd 10.5"

Ruger AR-556 5.56mm Barrett Brown Cerakote Semi-Automatic Rifle with Free Float Handguard

Ruger AR-556 5.56 NATO State Compliant Rifle with MonsterMan Grip

Ruger AR-556 5.56 NATO M4 Flat-Top Autoloading Rifle with Magpul FDE Furniture

RUGER SR-556 5.56 NATO 16.1in Green 30rd

Ruger M77 Gunsite Scout Rifle 223/5.56mm NATO (Left Handed Model)

Ruger SR556 Takedown 5.56mm Semi-Automatic Rifle

Ruger SR-556VT 5.56mm Autoloading Rifle with Picatinny Rail

Ruger SR-556 Carbine 5.56mm Nato Autoloading Piston Rifle

Ruger SR-556 5.56mm NATO Two-Stage Piston Autoloading Rifle

Ruger SR-556 Takedown 5.56mm Semi-Automatic Rifle