Description
Underwood built this 45 ACP +P load around a philosophy that sometimes you need a bullet that goes straight through rather than stops in place. The 255-grain hard cast flat nose doesn't expand, which means it maintains a consistent nose-forward position as it drives through dense material. That flat front end creates a larger wound channel than a comparable round nose while keeping the projectile tracking true, which is the whole point when you're dealing with heavy bone or thick hide.
Black Cherry Coating Technology
The standout feature here is Underwood's Black Cherry polymer coating on the bullet. This isn't window dressing. The coating prevents direct lead-to-bore contact, which means you spend less time scrubbing your barrel between range sessions. It also reduces friction as the bullet travels down the barrel, helping maintain velocity and accuracy. The polymer compound is thermally stable and tough enough to handle the pressures of a +P load without breaking down.
Built for Reliability and Storage
Nickel-plated brass cases feed smoother than standard brass and resist tarnishing during storage, which matters if you keep ammunition on hand for extended periods. The cases won't discolor when exposed to leather, moisture, or other metals. All of this also makes cleanup easier if you reload. Every round is boxer-primed and reloadable, so the cases are useful beyond just one shot.
Underwood's flash-suppressed powder keeps your low-light vision intact if you need to use the firearm in dim conditions. The load comes in at 925 fps and 485 foot-pounds of muzzle energy from typical 5-inch barrels, delivering the kind of energy you'd expect from a heavier +P round.
Key Specifications
- Caliber: .45 ACP +P
- Bullet Weight: 255 grains
- Bullet Type: Hard Cast Flat Nose
- Bullet Coating: Black Cherry Polymer
- Case Type: Nickel-Plated Brass
- Primer Type: Boxer
- Muzzle Velocity: 925 fps
- Muzzle Energy: 485 ft-lbs
- Rounds per Box: 20
- Reloadable: Yes
- Corrosive: Non-corrosive
- Production Type: New Production
- Manufacturer: Underwood Ammo
- MPN: 727
- UPC: 816874022112
What’s Included
- 20 rounds of .45 ACP +P ammunition
Frequently Asked Questions
Will this +P ammunition work in my standard 45 ACP firearm?
This load is rated +P, meaning it operates at higher pressure than standard 45 ACP. While it will chamber in any 45 ACP firearm in normal operating condition, be aware that the +P designation comes with increased slide velocity and recoil. If you plan to shoot more than occasional boxes of +P ammunition, it's worth considering a heavier recoil spring to manage the higher pressures and reduce accelerated wear on your firearm.
Why choose a hard cast flat nose over hollow point ammunition?
Hard cast flat nose bullets are designed for deep, straight-line penetration rather than expansion. This makes them excellent for hunting larger game or woods defense where you need a bullet that will punch through heavy bone and dense muscle without deflecting. The flat nose maintains its trajectory through the target better than round nose bullets, which matters when you're shooting at an angle or through barriers.
What does the Black Cherry coating do?
The Black Cherry polymer coating prevents the lead bullet from making direct contact with your barrel, which means significantly less lead fouling. This reduces cleaning time between shooting sessions. The coating also minimizes friction as the bullet travels down the barrel, helping maintain velocity and accuracy. It's engineered to handle the thermal stress of +P pressures without degrading.
Are the brass cases reloadable?
Yes. The nickel-plated brass cases are boxer-primed and fully reloadable after you fire them. Nickel plating offers the advantage of easier cleanup during the reloading process compared to traditional brass, and the nickel won't tarnish during storage like bare brass can.





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