Ruger 90679 AR-556 5rd 450 Bushmaster Black Steel

The .450 Bushmaster platform demands magazine engineering built for its unique cartridge dimensions and feeding geometry. Whether you're shooting in Concord or anywhere across California, understanding your state's regulatory framework matters—consult our guide on California firearm laws before purchasing. This 5-round Ruger magazine delivers the capacity and reliability that AR-556 shooters expect from factory components.

Detachable design built for .450 Bushmaster

The 5-round capacity reflects California's magazine regulations for centerfire rifles. Ruger's AR-556 platform uses this detachable magazine style, which seats cleanly and feeds consistently through the action. Black steel construction resists corrosion during extended range sessions. Like other restricted-capacity magazines in California, understanding PC §32100 exempt revolvers and related storage laws helps you stay compliant. This magazine accepts the full .450 Bushmaster round without binding or feed interruptions. Browse our firearms dealer.

Frequently asked questions

Does this magazine work with all AR-556 models?

This Ruger OEM magazine is designed specifically for AR-556 rifles chambered in .450 Bushmaster. Check your rifle's manual to confirm magazine compatibility before purchase.

What's the difference between 5-round and higher-capacity magazines?

California law restricts centerfire rifle magazines to 10 rounds or fewer. This 5-round magazine meets that requirement and suits hunting applications where capacity is less critical than reliability.

Can I transfer ammo through an FFL in Sunnyvale?

Yes — TacticCAL processes ammunition shipments from online sellers under California's ammunition eligibility check requirements. TacticCAL is your gun store Oakland in the Bay Area.