The .450 Bushmaster arrived as a solution to a hunting problem: states requiring straight-wall cartridges for deer season. What started as a specialty magnum cartridge for hunters in restricted zones has grown into a legitimate platform for hunters who want big bore performance at closer ranges. Creedmoor Sports carries .450 Bushmaster brass from Starline, offering unprimed brass for precision reloading.
The .450 Bushmaster was designed to deliver magnum rifle power from an AR platform, punching .452” bullets from 160 grains to 350-plus in standard rifle form. That makes it genuinely effective for hunting at the ranges where most ethical hunters take game - inside 300 yards where the substantial bullet does terminal work that lighter cartridges can’t match. The cartridge grew in popularity as more states opened their seasons to straight-wall cartridges, and hunters discovered that an AR-15 platform delivers handling and accuracy that dedicated hunting rifles don’t always match. For reloaders, that growth means unprimed brass is now readily available.
All .450 Bushmaster brass we carry is unprimed brass, giving you complete control over every component.
The .450 Bushmaster operates at magnum pressure levels, which means your brass deserves respect when developing ammunition and loads. Choose between premium brass from Hornady or value-priced brass from Starline based on your intended use and reload volume. Both offer the strength required to safely handle full-power loads. If you’re new to the caliber, start with brand hornady brass to establish baseline ammunition, then decide if Starline meets your needs as you progress. Case life typically ranges from five to ten reloads depending on how aggressively you load. Avoid brass primed brass - unprimed options give you the safety and flexibility to build loads specifically for your rifle. Case conditioning with proper press parts and careful sizing extends performance significantly.
Creedmoor Sports was founded by shooters, and that philosophy extends to specialty hunting cartridges like the .450 Bushmaster. We carry brass and components for rifle ammo that matter to real shooters, not just the most common calibers. Our team reloads for the .450 Bushmaster and understands what hunters need when building ammunition that performs in the field. If you’re loading .450 Bushmaster, we can help you find the brass, bullets, and powders that match your rifle and your hunting goals.
