.223 Rem | 5.56 NATO

Springfield Armory

Springfield Armory ST VICTR 556 Rifle with 14-Inch Barrel, 5.56 NATO, Black B5 Enhanced SOPMOD Stock, and Ambidextrous Safety

Sig Sauer

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

Sig Sauer

Sig Sauer M400 SDI 5.56 NATO Rifle with 16-inch Threaded Barrel and Magpul SL Stock

Aero Precision

Aero Precision M4E1-T AR-15 Rifle with 16-Inch 5.56 NATO Barrel and Magpul SL Stock

Aero Precision

Aero Precision APCR640441 M4E1-T 5.56 NATO Mid-Length AR-15 Rifle with FDE Finish

Sig Sauer

Sig Sauer M400 V2 5.56 NATO Semi-Auto Rifle with 16-Inch Barrel and Magpul SL-K Stock

Sig Sauer

Sig Sauer M400 5.56 NATO Semi-Auto Rifle with 16-Inch Stainless Steel Barrel and Magpul SL-K Stock

Sig Sauer

Sig Sauer RM40016BTRDV2COIL M400 Semi-Auto Rifle with 16-Inch Barrel and Magpul SL-K Stock

Armalite

ArmaLite M15LTC16 M-15 Light Tactical Carbine in 5.56 NATO with 16-Inch Barrel

Colt

Colt LE6920-EPRII-PRO Enhanced Patrol Rifle in 5.56 NATO with 16.3-inch Barrel

Springfield Armory

Springfield Armory STV916556BLCV2B5 ST VICTR 556 16-inch 5.56 NATO Rifle with B5 Enhanced SOPMOD Stock

Colt

Colt EPR-II Patrol Rifle 5.56mm NATO with MagPul MBUS Sights and Collapsible Stock