Ruger AR-556 Magazine .450 Bushmaster 5-Round Black

This Ruger AR-556 magazine is a 5-round detachable replacement designed for use with .450 Bushmaster cartridges in AR-15 type platforms. Manufactured in the USA by DURAMAG, the magazine is built to handle straight-walled big-bore rounds and to maintain reliable feeding in the AR-556 magazine well. The design includes corrosion-resistant surface treatment, chrome silicon springs, and an enhanced anti-tilt black polymer follower to support consistent operation. Manufacturer documentation describes internal bracing and laser-welded construction intended to control the round stack and prevent misalignment.

Key Specifications

• The magazine holds 5 rounds.
• Caliber is .450 Bushmaster.
• Model fit is AR-556.
• Brand is Ruger.
• Country of origin is US.
• The exterior finish is listed as Black matte.
• Includes a chrome silicon spring.
• Features an enhanced anti-tilt black polymer follower.
• Overall dimensions are 1.30 x 2.50 x 5.00 (listed).
• Weight is approximately 0.3 lb.

Purpose-built to serve as a reliable spare or replacement magazine, this unit combines user-oriented features and manufacturer-described construction to support dependable feeding of .450 Bushmaster cartridges in AR-556 platforms. Its compact 5-round capacity and corrosion-resistant surface treatment make it a practical choice for shooters who need a purpose-specific magazine that aligns with the AR-556 platform’s requirements.