Guns in 5.56x45mm NATO

APF Econo Carbine Optic-Ready AR-15 .223 Wylde 16 Barrel 20 Rounds Snow Camo

Springfield Armory Hellion Bullpup 5.56 20 Barrel 10-Rounds w/ CTS-103 Red/Green Dot CA Compliant

Springfield Armory Saint Victor Rifle 5.56 / .223 Rem 16 Barrel 10-Rounds

Springfield Armory SAINT AR-15 B5 Semi Automatic Rifle 5.56x45mm NATO 16" Melonite Black Threaded Barrel Anodized Black Frame Black Adjustable Stock 10+1-Round

Black Rain Ordnance Spec15 Burnt Bronze 5.56 16 Barrel 30-Rounds w/ Viridian Venta

Black Rain Ordnance Spec15 Smoke 5.56 16 Barrel 30-Rounds OR w/ Viridian Venta Green Dot

Ruger AR-556 Marble Distressed 5.56 / .223 Rem 16 Barrel 30-Rounds A2 Front Sight

San Tan Tactical STT-15 Billet AR-15 Ambidextrous Stripped Lower Receiver Anodized Black

San Tan Tactical STT-15 AR-15 Stripped Lower Receiver Anodized Black

Andro Corp ACI-15 Halo 5.56 10.5 Threaded Barrel 30-Rounds

Bushmaster M4 Patrolman's Carry Handle Semi Automatic Rifle 223 Remington 16" Black Threaded Barrel Black Frame Black Adjustable Stock

Wise Arms WA-15B Sniper Grey 5.56 / .223 Rem 16 Threaded Barrel 30-Rounds

CNC Firearms Daniel Defense DDM4 V7P Gold Multicam 5.56 10.3 Threaded Barrel 30-Rounds

Smith and Wesson Sport III Bundle 5.56 / .223 Rem 16 Barrel 30-Rounds w/ Avid AR15 Tool Range Bag

SMITH & WESSON M&P15 Sport II 5.56 NATO 16" 10rd Semi-Auto AR15 Rifle - CA Compliant - Black

LWRC IC Complete Lower Black 5.56 / .223 Rem

FMK Firearms AR-1 Lower Burnt Bronze

Live Free Armory Battle Rifle Lite Burnt Bronze 5.56 16 Barrel 30-Rounds

Del-Ton 316L 16M Sierra Semi Automatic Rifle 5.56x45mm NATO 16" Black Threaded Barrel Anodized Black Frame Black Pistol Grip

FN SCAR 16S NRCH 5.56 NATO / .223 Rem 16.25 Barrel 10-Rounds

B&T APC223 Pro 5.56x45mm NATO Pistol 12" Barrel 30+1 Round Black

Aero Precision M4E1 Pro Ambidextrous AR-15 Stripped Lower Receiver Black

Daniel Defense WEBGBDIST DDM4 V7 16" 5.56 NATO Rifle, Multi-Cam OD Green/Black

Franklin Armory Libertas AR-15 Built Complete Lower Receiver Anodized Olive Drab