This Underwood Ammo load is new-production, non-corrosive ammunition intended for the .450 Bushmaster cartridge. It uses lead long flat nose (LFN) bullets weighing 360 grains seated in nickel-plated, boxer-primed brass cases that are reloadable. The manufacturer lists the muzzle energy for this load as 2449 ft·lbs. Each box contains 20 loaded rounds and the product is listed as safe for use in suppressed firearms.
Key Specifications
- The cartridge is for .450 Bushmaster.
- The bullet diameter is 0.452 inches.
- The bullet weight is 360 grains.
- The bullet type is Lead long flat nose (LFN).
- The case material is Nickel-plated brass.
- The primer configuration is Boxer primed, reloadable.
- The listed muzzle energy is 2449 ft·lbs.
- Each box contains 20 rounds.
- This product is listed as suppressor-safe.
- Intended uses include hunting and self-defense.
Designed for shooters who prioritize straightforward, dependable performance in big-bore platforms, this Underwood Ammo load offers heavy-for-caliber bullets and robust case construction for field use or personal protection scenarios. The combination of a 360-grain LFN projectile and nickel-plated brass cases provides a balance of feeding reliability and reloadability for users who expect consistent function from their ammunition.
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