450 Bushmaster

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The .450 Bushmaster or 450BM is a rifle cartridge developed by Tim LeGendre of LeMag Firearms. It is designed to be used in the standard AR-15s, using modified magazines and upper receiver assemblies. The .450 Bushmaster is descended from the “Thumper” concept popularized by gun writer Jeff Cooper.

  • 450 Bushmaster 250 SCHP Ammo
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    450 Bushmaster 250gr. Maker Solid Copper Hollow Point (SCHP)

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    $47.99
  • 450 Bushmaster Brass Product Image
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    New Starline 450 Bushmaster Brass- 20 Count

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    $16.99