.223 Rem | 5.56 NATO

Warrior Systems

Warrior Systems WSM15 5.56mm Rifle with Flat Dark Earth Cerakote Finish

Raptor Defense

Raptor Defense RD15 5.56mm Rifle with Collapsible M4 Style Stock and Polymer Flip-Up Sights

Warrior Systems

Warrior Systems WSM15 5.56mm Rifle with Midnight Bronze Cerakote Finish and Collapsible Stock

Warrior Systems

Warrior Systems WSM15 5.56mm Rifle with 16-Inch Barrel and 50-Round Drum Magazine

Warrior Systems

Warrior Systems WSM15 5.56mm Semi-Auto Rifle with Collapsible Stock and 10-Round Drum Magazine

Christensen Arms

Christensen Arms CA5FIVE6 FFT 5.56 NATO Semi-Auto Rifle with Collapsible Stock and Carbon Fiber Barrel

Raptor Defense

RD15 5.56MM 16" BLACK 15+1

Wise Arms

Wise Arms WA-15B 5.56mm Sniper Grey Semi-Auto Rifle with Collapsible Stock and M-LOK Handguard

Diamondback Firearms

Diamondback Firearms Obsidian DB15 Rifle in Jungle Green Cerakote with 16-Inch M-LOK Rail and Collapsible Magpul Stock

Wise Arms

Wise Arms WA-15B 5.56mm Midnight Bronze Semi-Auto Rifle with Collapsible Stock and M-LOK Handguard

Wise Arms

Wise Arms WA-15B 5.56mm White Rifle with Collapsible Stock and M-LOK Handguard

Wise Arms

Wise Arms WA-15B 5.56mm ODG Tiger Stripe Semi-Auto Rifle with Collapsible Stock and 30-Round Magazine