.223 Rem | 5.56 NATO

Diamondback

Diamondback DB15 AR-15 Rifle with Camo Finish and Magpul Stock - 16 Inch Barrel, 30 Rounds, 556 NATO

Colt

Colt Rifle with Magpul Accessories, 16.1-inch Barrel, Flat Dark Earth

FN

FN 15 Carbine M-Lok Rifle in 5.56 NATO with Collapsible Stock and Matte Black Finish

Colt

Colt M4 Carbine with Magpul SL Stock and 30-Round Magazine

Colt

Colt M4 Carbine 5.56 NATO with Quad Rail and Collapsible Stock

Colt

Colt Monolithic Carbine M4 .223 Rem / 5.56 NATO with Collapsible Stock and Magpul MBUS Sights

Colt

Colt Law Enforcement Carbine 5.56 NATO Rifle with Collapsible Stock and MAGPUL MBUS Sights

Diamondback

Diamondback DB15 AR-15 Rifle 16-inch Barrel in .223 Remington with M-LOK Handguard and Polymer Stock

Springfield Armory

Springfield Armory Hellion 5.56 NATO Bullpup Rifle with 20-Inch Barrel and 10-Round Magazine

Colt

Colt M4 Carbine 5.56 NATO with 16.1-inch Barrel, Black Polymer Stock and Magpul Backup Sights

Colt

Colt M4 Carbine MK4 5.56 NATO with Geissele Rail and Magpul Sights

Colt

Colt M4A1 Carbine with 16.1-inch Barrel and 30-Round