Guns in 5.56x45mm NATO

Colt LE Carbine M1 Semi Automatic Rifle 5.56x45mm NATO 16.1" Matte Black Threaded Barrel Black Frame Black Pistol Grip

Black Rain Ordnance Spec15 Semi Automatic Rifle 5.56x45mm NATO 16" Matte Threaded Barrel Black Frame Black Pistol Grip

LWRC IC-DI Tungsten 5.56 16 Barrel 30-Rounds

LWRC ICMKII Patriot Brown 5.56 / .223 Rem 16.1 Threaded Barrel 30-Rounds

Radical Firearms RF-15 Pistol 5.56 10.5 Barrel 30-Rounds

Radical Firearms 5.56 NATO/223 Rem 16 Barrel 30-Rounds Hybrid Handguard

Wilson Combat Protector AR 15 Carbine 5.56 NATO AR-15 16.25 30 RDs

Seekins Precision NX Rifle .223 Wylde 16 Barrel

Shadow Systems E526 SBR 5.56 11.5 Spiral Fluted Threaded Barrel 30-Rounds

American Tactical Alpha-15 Maxx 5.56 16 Barrel 30-Rounds w/ ATI MM4 Stock

ATI Alpha Maxx RIA Black .223 Rem / 5.56 16 Barrel 60-Rounds

Remington 783 HB-T Kryptek Obscura .223 Rem 24 Barrel 5-Rounds

Diamondback DB15 Carbon Midnight Bronze 5.56 / .223 Rem 16 Threaded Barrel 30-Rounds

Diamondback DB15 Obsidian 5.56 / .223 Rem 11.5 Threaded Barrel 30-Rounds w/ SB Tactical SBA5 Brace

Diamondback Obsidian DB15 Jungle Green 5.56 16 Barrel 30-Rounds

Diamondback Diamond DB15 OD Green 5.56 16 Barrel 30-Rounds

Diamondback DB15 AR Pistol 5.56 NATO /.223 Rem 10 Barrel 30-Rounds

Diamondback DB15 Pistol Flat Dark Earth 5.56 NATO/.223 Rem 10 Barrel 30-Rounds M-LOK Handguard

Diamondback Carbon DB15 Pistol Flat Dark Earth 5.56 10 Barrel 30-Rounds w/ SBA3

Diamondback Carbon DB15 Pistol OD Green 5.56 7 Barrel 30-Rounds

Diamondback Carbon DB15 Pistol Flat Dark Earth 5.56 7 Barrel 30-Rounds w/ SBA3 Brace

Diamondback DB15 Carbon Tiger Stripe 5.56 / .223 Rem 16 Barrel 30-Rounds

Diamondback DIAMOND Flat Dark Earth 5.56NATO 16 Barrel 30-Rounds

CZ Bren 2 MS Pistol 5.56X45 14 Barrel 30-Rounds