.223 Rem | 5.56 NATO

LWRC

LWRCI IC-MKII 5.56 NATO Rifle with 14.7-inch Spiral Fluted Barrel and Ambidextrous Controls

LWRC

LWRCI IC-MKII 5.56 NATO Rifle with 16.1-inch Spiral Fluted Barrel

LWRC

LWRCI IC-MKII 5.56 NATO Rifle with 14.7-inch Spiral Fluted Barrel

LWRC

LWRC ICMKIIR5CK16 5.56 NATO AR-15 Rifle with 16.1-inch Spiral Fluted Barrel

LWRC

LWRCI IC-MKII 5.56 NATO Rifle with 14.7-inch Spiral Fluted Barrel and Ambidextrous Design

LWRC

LWRCI IC-MKII 5.56 NATO Rifle with 16.1-inch Spiral Fluted Barrel and Ambidextrous Design

Daniel Defense

Daniel Defense DDM4 MK12 SPR 5.56 NATO Rifle with 18-inch Barrel and SoftTouch Stock

FN

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

Daniel Defense

Daniel Defense MK12 SPR Rifle with 18-Inch Barrel in 5.56 NATO – Black Hardcoat Anodized Finish

Daniel Defense

Daniel Defense DDM4 M4A1 CA Compliant 5.56x45mm NATO Rifle with 14.5-Inch Barrel and SoftTouch Stock

Heckler and Koch (HK USA)

HK MR556 A4 Semi-Auto Rifle with 16.5-inch Threaded Barrel, Black M-LOK Handguard, and Ambidextrous Safety

Heckler and Koch (HK USA)

HK MR556 A4 Semi-Auto Rifle with 16.5-inch Threaded Barrel in Black, Part Number 81000828