.223 Rem | 5.56 NATO

LWRC

LWRCI ICDIR5ODG16ML 5.56 NATO AR-15 Rifle with 16.1-Inch Threaded Barrel and M-LOK Handguard

Bushmaster

Bushmaster QRC II 5.56x45mm NATO Carbine with 16-inch Barrel, Collapsible Stock, and Optic Ready - Model 0010017BLK

Colt

Colt Mfg CR6960 M4 Mid Carbine 5.56x45mm NATO, 16-Inch Barrel, Collapsible Stock, Optic Ready

Colt

Colt Mfg CR6940 M4 Mono Carbine 5.56x45mm NATO with 16.10-Inch Barrel and 30+1 Capacity

Bushmaster

Bushmaster QRC II Pro 5.56x45mm NATO Rifle with 16-Inch Threaded Barrel and B5 Bravo Stock

Bushmaster

Bushmaster QRC II Pro 5.56 NATO Rifle with 16-inch Threaded Barrel, Black Finish - Part Number 1010018BLK

Wilson Combat

Wilson Combat TRPC556BL Protector Carbine 5.56x45mm NATO with 16.25-Inch Barrel and Black Armor-Tuff Finish

Colt

Colt Mfg CR6920MPSFDE M4 Carbine with Magpul FDE Furniture, 5.56x45mm NATO, 16.1" Barrel, 30+1 Capacity

Sig Sauer

Sig Sauer RM40016BROSER5X210 M400 5.56 NATO Rifle with 16-Inch Threaded Barrel and Magpul SL Stock

Springfield Armory

Springfield Armory STV9115556BV2B5 5.56 NATO AR-15 Rifle with 30-Inch Barrel and BCMGunfighter Stock

Daniel Defense

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

Daniel Defense

Daniel Defense DDM4 Hunter 5.56 NATO Rifle with 18-inch Barrel - Black