Open Box Return – Duramag AR-15 Stainless Steel 5-Round Magazine – .450 Bushmaster

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Complete Solution For Geometry & Durability Problems Of Magazines

The Duramag AR-15 Stainless Steel 5-Round Magazine – .450 Bushmaster is a complete solution for geometry and durability problems of putting straight-walled, big-bore rounds in a magazine. It is designed from the ground up to properly support the round in a magazine that fits into the AR15 magazine well.

Better Control Of Round Stack & Prevent Misalignment

While originally intended to fit a standard AR15 magazine, improper geometry and follower design have led to feeding issues and rifle malfunctions. By creating a proprietary internal bracing system and laser-welding it into a 410 stainless-steel body, Duramag .450 Bushmaster is able to control round stack and prevent misalignment when rounds attempt to double stack.

The enhanced system of this AR-15 magazine also ensures the thousandth rounds of feeds just as reliable as the first round.  This .450 Bushmaster-unique development is in addition to the suite of technology DURAMAG fans have come to rely upon.


  • Caliber: .450 Bushmaster
  • Capacity: 5 Rounds
  • Body Material: 400 series stainless steel
  • Spring Material: 17-7 Stainless Steel Wire
  • Follower Material: Polymer
  • Follower Color: Black
  • 17-7 Stainless Steel Wire Spring
  • Anti-Tilt Follower
  • Weight: 4.56 oz
  • Finish: Matte Black

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