Guns in 5.56x45mm NATO

Geissele AR-15 Super Duty MOD1 Semi Automatic Rifle 5.56x45mm NATO 16" Black Threaded Barrel Black Frame Black Pistol Grip

Diamondback Firearms DB15 Semi Automatic Rifle 5.56x45mm NATO 16" Black Threaded Barrel Black Frame Black Pistol Grip

Sig Sauer M400 SDI Semi Automatic Rifle 5.56x45mm NATO 16" Black Threaded Barrel Anodized Black Frame Black Pistol Grip

Colt AR-15A4 Semi Automatic Rifle 5.56x45 NATO 20" Black Threaded Barrel Black Frame Black Fixed Stock

Colt M4A1 SOCOM Carbine Semi Automatic Rifle 5.56x45mm NATO 16.1" Black Threaded Barrel Anodized Black Frame Black Collapsible Stock

Zenith Firearms ZF-56 5.56 12 Threaded Barrel 30-Rounds

Rock River Arms A1 Carbine SBR 5.56 10.5 Threaded Barrel 30-Rounds

Noveske N4 Afghan 5.56 14.5 P&W Barrel 30-Rounds

Daniel Defense M4A1 5.56 NATO 16 Barrel 32-Rounds

Daniel Defense DDM4 V7 Pro Semi Automatic Rifle 5.56x45mm NATO 18" Chrome Threaded Barrel Hardcoat Anodized Frame Black Collapsible Stock

IWI US ZION Z-15 Semi Automatic Rifle 5.56x45mm NATO 16" Black Threaded Barrel Black Frame Black Pistol Grip

Radical Firearms RF-15 Semi Automatic Rifle 5.56x45mm NATO 16" Black Threaded Barrel Black Frame Black Pistol Grip

Daniel Defense DDM4 V7 Pro Semi Automatic Rifle 5.56x45mm NATO 18" Black Threaded Barrel Black Frame Black Collapsible Stock

Bravo Company Recce 11 MCMR SBR 5.56 11.14 Barrel 30-Rounds

Geissele AR-15 Super Duty MOD1 Semi Automatic Rifle 5.56x45mm NATO 16" Black Threaded Barrel Desert Dirt Frame Desert Dirt Pistol Grip

Sig Sauer M400 Rose Semi Automatic Rifle 5.56x45mm NATO 16" Black Threaded Barrel Black Frame Black Pistol Grip With Scope

Springfield Armory Saint Victor AR-15 Semi Automatic Rifle 5.56x45mm NATO 16" Melonite Threaded Barrel Black Frame Black Pistol Grip 30+1

Springfield Armory Saint Victor V2 Gear PAC Semi Automatic Rifle 5.56x45mm NATO 16" Black Threaded Barrel Black Frame Black Pistol Grip With Red Dot

Zastava PAP M90 Semi Automatic Rifle 5.56x45mm NATO 18.25" Black Threaded Barrel Black Frame Hardwood Pistol Grip

Global Ordnance Monolith 15A 5.56 16.1 Barrel 10-Rounds CA Compliant

Colt M4 Carbine Semi Automatic Rifle 5.56x45mm NATO 16" Blued Threaded Barrel Black Frame Black Pistol Grip

Daniel Defense DDM4 V7 Pro Silver 5.56 NATO 18 Barrel 32-Rounds

Faxon Firearms ION-X Hyperlite 5.56 16 Barrel 30-Rounds

BCM RECCE-16 Semi Automatic Rifle 5.56x45mm NATO 16" Chrome Threaded Barrel Anodized Black Frame Black Collapsible Stock M-LOK