.223 Rem | 5.56 NATO

Ruger

Ruger AR-556 MPR 223 Rem 18-Inch Rifle with Magpul MOE SL Stock and Elite 452 Trigger

Springfield Armory

Springfield Armory Saint Victor 5.56 NATO 16-inch Rifle with B5 Sopmod Stock - Model STV916556BLCB5

Smith & Wesson LE

Smith & Wesson LE M&P15T .223 Rem/5.56 NATO Semi-Auto Rifle with 16-Inch Barrel and Troy Battle Sights

Smith & Wesson

Smith & Wesson SWL VoluntX MLOK AR-15 Rifle with 16-Inch Barrel and Flat Trigger

Springfield Armory

Springfield Armory SPG SA920556BA2 5.56x45mm NATO Semi-Auto Rifle with 20-inch Barrel and A2 Fixed Stock

Sig Sauer

Sig Sauer M400 5.56 NATO Semi-Auto Rifle with 16-Inch Threaded Barrel and Magpul SL-K Stock

Sig Sauer

Sig Sauer RM40016BROSER5X2 5.56 NATO Semi-Auto Rifle with 16-inch Threaded Barrel and Magpul MOE SL Stock

Springfield Armory

Springfield Armory SPG HL920556BCA Hellion 5.56 NATO Bullpup Rifle, 20-Inch Barrel, Black Finish

Anderson

Anderson B2-K869-A034-CS Dark Horse AR-15 with 5.56 NATO, 16-inch Barrel, Optic Ready

Sig Sauer

Sig Sauer MCX Spear LT 5.56 NATO Rifle with Folding Brace and 11.5-inch Barrel - Part Number PMCX556N11BIR10

Sig Sauer

Sig Sauer M400 SDI 5.56 NATO Rifle with 16-Inch Threaded Barrel and Magpul SL Stock RM400SDI16BR5FX

Sig Sauer

Sig Sauer RMCX556N16BIR MCX Spear LT 5.56 NATO Rifle with 16-Inch Barrel and Folding Stock