Remington MAG R15 BLK 450 5RD - 223 Remington/5.56 NATO Caliber, 5 Rounds, Black, OEM Origin
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The 450 Bushmaster single stack magazine, a Remington R-15 caliber first introduced in 2010, is now available as an aftermarket factory accessory. When out shooting, no one wants to take the time to reload the magazine time after time. If you have multiple magazines already loaded, you'll get to spend more time shooting, and less time reloading your magazine.