Shop 2,130 Deals on 5.56×45mm NATO Firearms

Global Ordnance Monolith 15A 5.56x45mm 16.10", Black

Black Rain Ordnance .223 Remington/5.56x45mm 16" AR Rifle, Miami - BRO-23120701

Diamondback Firearms DB15 5.56x45mm 16" AR Rifle, Woodland Camo - DB175AK621

HM Defense Defender M5L .223 Rem/5.56 Semi-Automatic AR-15 Rifle - HM15F-MB-556-L

Daniel Defense DDM4 V7 Pro 5.56x45mm 18", Black - 212810739047

Tikka T3x Lite .223 Rem Bolt Action Rifle, Black - JRTXE312

Springfield Armory Saint B5 MLOK 5.56 AR-15 Rifle, Black - ST916556B-B5

CMMG Dissent Br4 5.56x45mm Gas-Operated, Coyote Tan

LWRC IC-SPR 16.1" .223 Rem/5.56 Semi-Automatic AR-15 Rifle, FDE - ICR5CK16SPR

LWRC IC-A5 16.1" .223 Rem/5.56 Semi-Automatic AR-15 Rifle, Black- ICA5R5B16

Patriot Ordnance Factory Minuteman DI CA Compliant 5.56x45mm 16", Black - 1754

POF-USA Minuteman 5.56 Semi-Automatic AR-15 Rifle - 01644

Daniel Defense DDM4 V7 LW CA Compliant 5.56 Semi-Automatic AR-15 Rifle, Rattlecan Cerakote - 02267055

Franklin Armory LIBERTAS-L 5.56x45mm 16", Black - 0010026BLK

Daniel Defense DDM4 V7 CO Compliant 5.56 Semi-Automatic AR-15 Rifle - 02338067

Ruger Mini-14 Ranch 5.56x45mm Semi-Auto, Ghillie Green - 5877

Armalite M-15 Competition .223 Wylde/5.56 Semi-Automatic AR-15 Rifle - M153GN18

Kel-tec RDB Defender .223 Rem/5.56 AR-15 Rifle, Green - RDBDGRN

Steyr Arms AUG A3 M2 NATO AR Rifle, .223 Remington/5.56x45mm, 16" Barrel - Durable Construction, Ideal for Military and Tactical Use - AUGM2BLKNATOEXT

Great Lakes Firearms and Ammunition AR-15 White .223 Wylde 16 Barrel 30-Rounds

Ruger AR-556 Distressed White .223 Remington/5.56x45mm 16.10", Distressed White

Ruger AR-556 Texas Orange .223 Remington/5.56x45mm 16.10", Texas Orange

HM Defense Guardian F5 5.56x45mm 16", Black - HM15F556

Howa Mini Action Excl Lite .223 Remington Bolt Action Rifle, Kryptek Altitude - HMXL223KAC