.223 Rem | 5.56 NATO

Sig Sauer

Sig Sauer M400 SDI 5.56 NATO Semi-Auto Rifle with 11.5-Inch Barrel, Black Finish

Sig Sauer

Sig Sauer RMCX556N16BLTB 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

Armalite

ArmaLite M153GN13 M-15 Competition Rifle in 223 Wylde with 13.5-Inch Barrel and Adjustable Stock

FN

FN 36100632 FN15 TAC3 5.56 NATO 16-Inch Chrome-Lined Barrel Rifle, Black Anodized M-LOK Handguard, Collapsible Stock

FN

FN 36100642 FN15 Tac3 5.56 NATO Rifle with 16-Inch Chrome-Lined Barrel and FDE Anodized Handguard

FN

FN 36100652 FN15 TAC3 5.56 NATO Rifle with 16-Inch Chrome-Lined Barrel, Gray Anodized M-LOK Handguard and Collapsible Stock

FN

FN 36100658 FN15 Tac3 Duty 5.56 NATO Rifle with 16" Chrome-Lined Barrel and M-LOK Handguard

Smith & Wesson

Smith & Wesson M&P15 Sport II OR Rifle 5.56x45mm NATO, 16-Inch Barrel, Black - Part #12055