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Picture for category .450 Bushmaster

.450 Bushmaster

The .450 Bushmaster is a rifle cartridge developed by Tim LeGendre of LeMag Firearms, and licensed to Bushmaster Firearms International. The .450 Bushmaster is designed to be used in the standard M16s and AR-15s, using modified magazines and upper receiver assemblies. Wikipedia
Case length: 0′ 2″
Bullet diameter: .452 in (11.5 mm)
Maximum pressure (SAAMI): 38,500 psi (265 MPa)
Base diameter: .5000 in (12.70 mm)
Rim diameter: .473 in (12.0 mm)
Overall length: 2.260 in (57.4 mm)
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