Guns in 5.56x45mm NATO

ZRO Delta ZULU2 OD Green .223 Wylde 16 Barrel 30-Rounds w/ Ambi Bolt Release

Diamondback DB15 5.56 NATO/.223 Rem 16 Barrel 30-Rounds M-LOK Handguard

HK MR556 A4 Semi Automatic Rifle 5.56x45mm NATO 16.5" Black Threaded Barrel Matte Frame Black Stock Pistol Grip 30+1

Colt LE Carbine M2 Semi Automatic Rifle 5.56x45mm NATO 16.1" Matte Black Threaded Barrel Black Frame Black Pistol Grip

LWRC ICMKII SBR 5.56 x 45mm 10.5 Barrel 30-Rounds Suppressor Ready

Patriot Ordnance Factory Renegade Plus 5.56 NATO / .223 Rem 16.5 Barrel 30-Rounds Optics Ready

FN FN15 M16 Semi Automatic Rifle 5.56x45mm NATO 20" Black Threaded Barrel Black Frame Black Fixed Stock

Double Star ARP7 5.56 7.5 Barrel 30-Rounds w/ Strongarm Brace

Daniel Defense DDM4 V7 Pro Cobalt 5.56 NATO 18 Barrel 30-Rounds

Daniel Defense DDM4 V7 Pro FDE 5.56 NATO 18 Barrel 30-Rounds

Daniel Defense DDM4V7 Flat Dark Earth 5.56 / .223 Rem 16 Barrel 30-Rounds

Daniel Defense DDM4 M4V4 SBR .223 Rem / 5.56 11.5 Barrel 32-Rounds

BCM RECCE-14 Semi Automatic Rifle 5.56x45mm NATO 14.5" Black Barrel Black Frame Black Pistol Grip M-LOK

Geissele Super Duty MOD 1 5.56x45mm NATO Pistol 11.5" Barrel Black Frame Black Pistol Brace

Geissele AR-15 Super Duty MOD1 Semi Automatic Rifle 5.56x45mm NATO 14.5" Black Barrel Black Frame Black Pistol Grip

Sig Sauer M400-Sentry Semi Automatic Rifle 5.56x45mm NATO 16" Matte Threaded Barrel Black Frame Black Pistol Grip With Romeo5 Red Dot

Sig Sauer MCX SBR Flat Dark Earth 5.56 11.5 Barrel 30-Rounds

Sig Sauer MCX SPEAR-LT 5.56 / .223 Rem 16 Barrel 30-Rounds Folding Minimalist Plus Stock

Ruger Harrier Semi Automatic Rifle 5.56x45mm NATO 16.1" Nitride Threaded Barrel Anodized Black Frame Black Pistol Grip

APF M16A1 5.56 20 Barrel 30-Rounds Fixed Stock

APF Fury Copper FX 5.56 16 Barrel 30-Rounds

APF Fury Mermaid 5.56 16 Barrel 30-Rounds

APF Fury Northern Lights 5.56 16 Barrel 30-Rounds

Blue Line Solutions Mauser M-15 Gen2 Green .22 LR 16.3 Barrel 22-Rounds