Description
If you're looking to push the 45 ACP beyond typical subsonic speeds, Corbon's 165-grain load takes a completely different approach than the standard 230-grain offerings you'll find everywhere. Instead of a heavy bullet moving slow, you get a lighter projectile screaming downrange at 1250 feet per second, generating 573 foot-pounds of muzzle energy. The strategy pays off through aggressive bullet expansion and the penetration you need for genuine defensive capability.
What Sets CORBON's 165 Grain JHP Apart
The real story here is velocity and energy transfer. Corbon engineered this load specifically to maximize expansion through rapid energy dump into the target. The jacketed hollow point features specially scored internal and external serrations paired with a soft lead cavity that promotes controlled expansion. When that bullet hits, it opens up dramatically to create a massive wound cavity while maintaining the 9 to 15-inch penetration depth needed for consistent stopping performance. This is the same design philosophy that put Corbon on the map back in 1982, and it still delivers results.
Important Compatibility Note
This is a +P load, meaning it runs at higher pressure than standard 45 ACP. Your firearm needs to be specifically rated for 45 ACP +P to handle it safely. Full-sized pistols like the SIG P220, Glock 21, or traditional 1911s in all-steel build work great. If you've got an older 45, check with the manufacturer before loading these rounds. The higher recoil is noticeable compared to standard pressure loads, which matters if you're practicing or carrying regularly.
Load Specifics and Quality
Each box contains 20 rounds loaded in reloadable brass cases with Boxer primers and non-corrosive powder. Corbon manufactures this ammunition in South Dakota and puts real-world guns on real chronographs instead of relying on test barrels, so the velocity numbers on the box are what you'll get from actual handguns.
Key Specifications
- Caliber: .45 ACP +P
- Bullet Weight: 165 Grains
- Bullet Type: Jacketed Hollow Point (JHP)
- Muzzle Velocity: 1250 feet per second
- Muzzle Energy: 573 foot-pounds
- Average Penetration: 9-15 inches in ballistic gelatin
- Rounds Per Box: 20
- Case Material: Reloadable Brass
- Primer Type: Boxer, Non-Corrosive
- Manufacturer: Corbon (Sturgis, South Dakota)
- UPC: 757750451025
- Manufacturer Part Number: 45165
- Intended Use: Self-Defense
- Pressure Rating: +P (Higher Pressure)
What’s Included
- 20 rounds of CORBON 45ACP+P 165 grain JHP ammunition
- Reloadable brass cases
Frequently Asked Questions
Can I use 45ACP+P in my standard 45 ACP handgun?
No, this is a +P load designed only for firearms specifically rated for 45 ACP +P. Using it in a standard 45 ACP gun can damage the firearm or cause injury. Check your manual or contact the manufacturer to confirm your gun is rated for +P before ordering. Older firearms and low-quality builds are especially risky with higher-pressure loads.
How does the 165 grain CORBON compare to typical 230 grain 45 ammo?
The 165 grain runs 1250 fps compared to standard 230 grain loads around 850 fps, giving you significantly more velocity and energy. This lighter bullet expands more aggressively but generates more felt recoil. The tradeoff is a larger wound cavity and faster energy transfer, making it a different self-defense philosophy than the traditional subsonic approach.
What firearms work best with this ammunition?
Full-sized pistols like the SIG P220, Glock 21, and all-steel 1911s are ideal for handling the higher recoil and pressure. The longer sight radius and heavier frame soak up the sharp kick better than compact models. Always test fire a box through your specific gun before relying on it for carry or defense.
Is this ammunition reloadable?
Yes, the brass cases are reloadable and the rounds use standard Boxer primers. However, the higher +P pressure means you need to follow published reloading data carefully and potentially use slightly different recipes than standard 45 ACP loads.



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