DuraMag .450 Bushmaster Stainless Steel Magazine – Black

The DuraMag magazine by C Products Defense is built specifically for use with .450 Bushmaster cartridges in AR-15 style platforms. Constructed with a laser-welded 410 stainless steel body and protected with a T-360 coating, it addresses common feeding geometry challenges encountered when adapting straight-walled, large-bore rounds to the AR-15 magazine well. Internal bracing, LipLock geometry and an advanced follower design are intended to maintain consistent round alignment and long-term reliability.

Key Specifications

• This magazine is specified for .450 Bushmaster caliber.
• The body is fabricated from 410 stainless steel and laser-welded for structural integrity.
• The exterior and interior receive a T-360 total coating with a black matte appearance.
• It is designed for use in AR-15 style firearms.
• The internal system includes LipLock geometry to keep rounds aligned for feeding.
• The magazine uses an EverFlex anti-fatigue spring design described by the manufacturer for extended service life.
• Construction incorporates post & hole robotic welds for added strength.
• The follower is specified as a black follower.
• Listed dimensions are 1.40 x 4.90 x 6.25 inches.
• Weight is listed as 0.28 (value provided by the manufacturer).

The DuraMag design focuses on mechanical solutions to feed straight-walled, large-caliber rounds reliably from an AR-15 compatible magazine well. Its stainless-steel construction and protective coating are intended to offer durable service life under routine use, while the internal geometry and spring system aim to maintain consistent feeding across long-term cycling. For owners configuring an AR-15 platform for .450 Bushmaster applications who prioritize a purpose-built magazine solution, this component provides a design focused on alignment and durability rather than retrofit workarounds.