Description
STA450B Starline Brass – 450 Bushmaster (Small Rifle primer) -100 Ct
The 450 Bushmaster was designed as a close-range, big-bore hunting caliber for the AR-15 platform. As with most AR cartridge conversions, it only requires swapping out the upper receiver. With the introduction of some new bolt-action rifles in this caliber and many states changing game laws allowing straight-wall cartridges for deer hunting, the .450 Bushmaster is enjoying a surge in popularity. Ruger now offers their American Ranch and Gunsite Scout bolt-action rifles chambered in the .450 Bushmaster caliber. This cartridge utilizes the common .452″ diameter bullet; reloaders can use bullet weights anywhere from 160–350+ grains.
**WARNING** In firearms that use a floating firing pin (such as the AR-15 and its variants), dropping the bolt on a chambered round could lead to a slam fire. It is important that these firearms are loaded from the magazine so that the bolt loses inertia when it strips a round from the magazine. It is also important NOT to use sensitive primers that aren’t designed for use in an AR, as this increases the chance of a slam fire.
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