Underwood Ammo UW841 Xtreme Penetrator is .44 Rem Mag ammunition loaded with a 220-grain solid copper monolithic bullet. It ships in 20-round boxes and uses nickel-plated, boxer-primed brass cases intended for reloading. The Xtreme Penetrator monolithic copper design emphasizes deep penetration and reliable magazine/revolver feeding. Listed performance data for this load includes a muzzle velocity of 1530 fps and muzzle energy of 1144 ft·lbs.
Key Specifications
- The caliber is .44 Rem Mag.
- The bullet type is Copper Solid.
- The bullet weight is 220 grains.
- The listed muzzle velocity is 1530 fps.
- The listed muzzle energy is 1144 ft lbs.
- Each box contains 20 rounds.
- There are 10 boxes per case.
- The case material is Nickel-Plated Brass.
- This ammunition is reloadable.
- Recommended application is Medium-Large Game.
This load offers a monolithic copper construction and consistent listed velocity for applications where deep-penetrating performance and reliable feeding are priorities. The nickel-plated brass cases and boxer primers support reloading, and the solid copper bullet eliminates lead in the projectile. For shooters who require a heavy-for-caliber, penetrating .44 Rem Mag option, the UW841 Xtreme Penetrator presents a purpose-driven choice with documented performance figures.
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