.223 Rem | 5.56 NATO

Heckler & Koch (HK USA)

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

Heckler & Koch (HK USA)

Heckler & Koch MR556 A4 5.56 NATO Rifle with Collapsible Stock

Sig Sauer

Sig Sauer MCX 5.56 NATO 16-Inch Barrel Rifle with Black Finish

FN

FN 985212 SCAR 16S NRCH 5.56 NATO Rifle with Folding Stock and Adjustable Sights

FN

FN SCAR 16S NRCH 5.56 NATO Rifle with 16.25-inch Barrel and Folding Stock

FN

FN 985012 SCAR 16S NRCH 5.56 NATO Rifle with 16.25-Inch Barrel and FDE Finish

FN

FN SCAR 16S NRCH 5.56mm NATO Semi-Auto Rifle with 16.25-Inch Barrel in Flat Dark Earth - Part 986012

Sig Sauer

Sig Sauer MCX Spear LT 5.56 NATO Rifle with Folding Brace and 11.5-inch Barrel

Sig Sauer

Sig Sauer MCX Spear LT 5.56 NATO Rifle with 16-Inch Barrel and Folding Stock

Sig Sauer

Sig Sauer MCX Spear LT 5.56 NATO Rifle with Folding Brace and 30-Round Capacity

FN

FN SCAR 15P SBT Brace Semi-Automatic Pistol with 7.5-inch Barrel in 5.56x45mm - Black

FN

FN 36100676 FN15 DMR3 5.56 NATO Rifle with 18-Inch Barrel and FDE Cerakote Finish