.223 Rem | 5.56 NATO

Sig Sauer

Sig Sauer RM40016BROSER5X2 5.56 NATO Semi-Auto Rifle with 16-inch Threaded Barrel and Magpul MOE SL Stock

Smith & Wesson

Smith & Wesson M&P15 AXE Rifle with 16.1-Inch Threaded Barrel, 30+1 Capacity, Black Magpul CTR Stock

Aero Precision

Aero Precision M4E1 Pro Rifle 5.56 NATO with 16-inch Barrel - Black Anodized Aluminum Receiver

Armalite

ArmaLite M15TAC14 M-15 Tactical 5.56x45mm NATO Rifle with 14.5-inch Barrel and Magpul Collapsible Stock

Aero Precision

Aero Precision M4E1 Pro Rifle 5.56 NATO with 16-Inch Barrel in OD Green - Part APCR640450

Aero Precision

Aero Precision M4E1 Pro Rifle 5.56 NATO with 16-Inch Barrel - Kodiak Brown Anodized Aluminum Receiver

Springfield Armory

Springfield Armory ST VICTR 556 16-inch Rifle with 30+1 Capacity and B5 Enhanced SOPMOD Stock

Sig Sauer

Sig Sauer RM40016BROSER5X210 M400 5.56 NATO Rifle with 16-Inch Threaded Barrel and Magpul SL Stock

Springfield Armory

Springfield Armory STV916556CBV2B5 ST Victor 5.56 NATO Rifle with 16-inch Barrel, Ambidextrous Safety and B5 SOPMOD Stock

Springfield Armory

Springfield Armory STV916556TV2B5 St. VICTR 5.56 NATO Rifle with 16-Inch Barrel and B5 SOPMOD Stock

Springfield Armory

Springfield Armory STV916556BCAV2 ST VICTR 5.56 NATO 16-inch Rifle with B5 Enhanced SOPMOD Stock

Springfield Armory

Springfield Armory STV914556BV2B5 ST VICTR 5.56 NATO AR-15 Rifle with 14-Inch Barrel and B5 Enhanced SOPMOD Stock