What Is .450 Bushmaster Best Used For?
Woody's answers are based on published federal and state law. Not legal advice. Consult a licensed attorney for your specific situation.
.450 Bushmaster excels at medium-range hunting of large game within 250 yards, offering tremendous stopping power in states requiring straight-wall cartridges. It delivers devastating energy on deer, hogs, and black bear.
How This Affects Your Shooting
The .450 Bushmaster fills a specific niche for hunters needing serious knockdown power in AR-platform rifles. Many Midwest states mandate straight-wall cartridges for deer hunting, making this round particularly valuable. You get rifle-level accuracy with handgun-cartridge legality in restricted zones.
The Detail
The .450 Bushmaster was designed specifically for the AR-15 platform to deliver maximum energy transfer on large game. This straight-wall cartridge typically pushes 250 to 300 grain bullets at velocities around 2200 fps from the muzzle, generating impressive energy figures that rival traditional hunting cartridges. The large diameter bullet creates substantial wound channels and transfers energy efficiently.
Hunting applications represent the primary use case for this cartridge. Whitetail deer, feral hogs, and black bear are ideal targets within its effective range. The heavy bullets maintain good momentum even after hitting bone or thick hide, making clean kills more reliable than smaller calibers. The straight-wall design also makes it legal in many states that restrict bottleneck rifle cartridges during certain hunting seasons.
Range limitations become apparent beyond 250 yards due to the cartridge's ballistic profile. The large, relatively slow bullets drop significantly at extended distances and lose energy quickly compared to high-velocity rifle rounds. Wind drift also becomes a factor more quickly than with flatter-shooting cartridges. Most hunters find the sweet spot between 50 to 200 yards where accuracy remains excellent and energy delivery is devastating.
The AR-15 platform compatibility gives you semi-automatic follow-up shots and familiar manual of arms. This advantage proves valuable when hunting dangerous game like feral hogs or when quick follow-ups might be necessary. The cartridge generates substantial recoil in lightweight AR builds, so proper stock selection and muzzle devices become important considerations for shooter comfort.
Build Impact
You'll need a dedicated upper receiver or complete rifle since .450 Bushmaster requires different magazines, bolt, and barrel compared to standard 5.56 builds. The added recoil means investing in a quality adjustable gas block and potentially a heavier buffer system to ensure reliable cycling.