Underwood Ammo’s 450 Bushmaster 300-grain JSP cartridges are new-production, non-corrosive rounds loaded in boxer-primed, reloadable brass cases. The 300-grain jacketed soft point projectile has a diameter of 0.452 inches and is listed at 1950 feet per second, producing 2534 ft lbs of muzzle energy. Each box contains 20 loaded rounds intended for hunting and self-defense use, and the bullets do contain lead. The cartridges are listed as safe for use in a suppressor.
Key Specifications
- The cartridge is specified as 450 Bushmaster.
- The bullet diameter measures 0.452 inches.
- The projectile weight is 300 grains.
- The bullet type is Jacketed Soft Point (JSP).
- The listed muzzle velocity is 1950 feet per second.
- The listed muzzle energy is 2534 ft lbs.
- The cartridge cases are made from Brass.
- The primers are Boxer-primed and the cases are reloadable.
- Each box contains 20 rounds.
- The bullet contains lead and the cartridges are listed as safe for use in a suppressor.
With a heavy 300-grain JSP projectile and robust brass cases, this loading provides consistent ballistics for field applications and personal defense while offering reloadable components for those who handload. Its listed muzzle performance and construction make it a practical choice for shooters seeking a heavy-for-caliber option in 450 Bushmaster.
