.223 Rem | 5.56 NATO

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

Smith & Wesson

Smith & Wesson M&P15 Sport II Rifle - 16-Inch Barrel, 223 Rem/5.56 NATO, Black Finish

Smith & Wesson

Smith & Wesson M&P15 AXE Rifle with 16.1-Inch Threaded Barrel, 30+1 Capacity, Black Magpul CTR Stock

Smith & Wesson LE

Smith & Wesson LE M&P15 Optic Ready Semi-Automatic Rifle - 16-inch Barrel, 30+1 Capacity, Black Armornite Finish

Aero Precision

Aero Precision M4E1 Pro Rifle 5.56 NATO with 16-inch Barrel - Black Anodized Aluminum Receiver

Sig Sauer

Sig Sauer MCX Spear LT 5.56 NATO Rifle with Folding Brace and 30-Round Capacity - Model PMCX556N11BIR

Armalite

ArmaLite M153GN13CO M-15 Competition AR-15 Rifle in 223 Wylde with 16-Inch Barrel and Adjustable Stock