.223 Rem | 5.56 NATO

Heckler & Koch (HK USA)

Heckler & Koch MR556 A4 5.56 NATO Rifle with Collapsible Stock 81001033

Smith & Wesson

Smith & Wesson M&P15 Sport III 5.56mm Rifle with 10+1 Capacity and Tactical Stock

Ruger

Ruger AR-556 MPR 5.56mm Black Rifle with Collapsible Stock and M-LOK Handguard

Smith & Wesson

Smith & Wesson M&P15 Sport III 5.56mm Rifle with Collapsible Stock and M-LOK Rail

Heckler & Koch (HK USA)

Heckler and Koch MR556 A4 5.56 NATO Rifle with Collapsible Stock and Gray Cerakote Finish

Heckler & Koch (HK USA)

Heckler & Koch MR556 A4 5.56 NATO Rifle with Collapsible Stock 81000827

Smith & Wesson

Smith & Wesson M&P15 Sport III 5.56mm Semi-Auto Rifle with 15-Inch M-LOK Rail and Red Dot Sight

Smith & Wesson

Smith & Wesson M&P15 Sport III 5.56mm Rifle with Tactical Stock and 10-Round Magazine

Smith & Wesson

Smith & Wesson M&P15 AXE PC 5.56 Gray Rifle with Collapsible Stock and Gemtech Upgrades

Smith & Wesson

Smith & Wesson M&P15 Sport III 5.56 NATO Rifle with 30-Round Magazine

Smith & Wesson

Smith & Wesson M&P15 Sport III 5.56 NATO Rifle with Collapsible Stock and Free-Floating Rail

Heckler & Koch (HK USA)

Heckler & Koch MR556 A4 5.56 NATO Rifle with Collapsible Stock