.223 Rem | 5.56 NATO

Heckler & Koch (HK USA)

Heckler & Koch MR556 A4 5.56 NATO Rifle with Gray Cerakote Finish

Smith & Wesson

Smith & Wesson M&P15 Sport III 5.56mm Rifle with Collapsible Stock and M-LOK Rail 14207

Springfield Armory

Springfield Armory Saint Victor V2 Pistol Rifle in 5.56 NATO with Collapsible Stock

Springfield Armory

Springfield Armory Saint Victor V2 Rifle 5.56 NATO with Folding Stock and Magpul Magazines

Springfield Armory

Springfield Armory Saint Victor V2 5.56 NATO Rifle with Collapsible Stock and 4 Magpul Magazines

Springfield Armory

Springfield Armory Saint Victor V2 5.56 NATO Rifle with Magpul PMAGs and B5 Systems Stock

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