.450 Bushmaster is a powerful straight-walled rifle cartridge designed for AR-15 platforms, offering excellent stopping power for big game hunting and close-range shooting. While not a manufacturer, many companies produce .450 Bushmaster-specific parts, including barrels, upper receivers, bolt carrier groups, magazines, and complete rifles. These components are compatible with standard AR-15 lower receivers and other AR-15 parts, making .450 Bushmaster a popular choice for hunters and shooters seeking hard-hitting performance and easy caliber conversion on their AR-15 builds.
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