.223 Rem | 5.56 NATO

Springfield Armory

Springfield Saint Victor V2 AR-15 Pistol with SBA3 Stock and 11.5-inch Barrel

Springfield Armory

Springfield Saint Victor V2 Rifle with SBA3 Stock and 11.5-inch Barrel

Springfield Armory

Springfield SAINT Victor, Semi-automatic, AR Pistol, 223 Remington/5.56 NATO, 11.5 Barrel, Anodized Finish, Black, B5 Systems Type 23 Grip, SBA3 Pistol Stabilizing Brace, Includes Front and Rear Flip Up Sights, Ambidextrous Safety, 30 Rounds, 1 Ma...

Smith & Wesson

Smith & Wesson M&P15 Pistol 7.5-inch Barrel in Black with Pistol Brace, 30-Round Capacity, .223 Remington

Smith & Wesson

Smith & Wesson M&P15 Pistol with 7.5-Inch Threaded Barrel and Pistol Brace

Heckler & Koch (HK USA)

Heckler & Koch MR556 A4 Semi-Auto Rifle in Gray Cerakote – 5.56 NATO, 26.5 Inches Overall Length

Smith & Wesson

Smith & Wesson M&P15 Pistol M-LOK 5.56 NATO with Adjustable Arm Brace and Optics Ready Finish

Smith & Wesson

Smith & Wesson M&P15 Pistol M-LOK 5.56 NATO with Adjustable Palmswell Grip

Heckler & Koch (HK USA)

Heckler & Koch MR556 A4 5.56 NATO Semi-Auto Rifle with Collapsible Stock and M-LOK Handguard 81001051

Heckler & Koch (HK USA)

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

Heckler & Koch (HK USA)

Heckler & Koch MR556 A4 5.56 NATO Semi-Auto Rifle with Collapsible Stock and M-LOK Handguard

CZ

CZ Bren 2 MS Pistol 5.56x45mm NATO with 8.26-inch Barrel - Black