.223 Rem | 5.56 NATO

Sig Sauer

Sig Sauer RMCX556N16BLTB MCX 5.56 NATO 16-Inch Barrel Rifle with Black Finish

Diamondback Firearms

Diamondback DB1916K101 5.56 NATO AR-15 Style Rifle with SBA3 Brace and Heavy Threaded Barrel

Diamondback Firearms

Diamondback DB1913K061 DB15 5.56 NATO Rifle with SBA3 Brace and Heavy Barrel in Flat Dark Earth

IWI - Israel Weapon Industries

IWI US Zion Z15TAC16 5.56 NATO Rifle with 16-Inch Barrel and Adjustable B5 Stock

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