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Underwood 9mm Luger +P Ammo 115 Grain Xtreme Penetrator - 822
Underwood 9mm Luger +P 115 Grain Xtreme Penetrator ammunition is a high-performance defensive handgun load built around a solid copper monolithic projectile. This 9mm +P ammo uses the Xtreme Penetrator bullet design featuring a machined nose profile intended to support deep penetration and consistent feeding in semi-automatic handguns. Loaded to a listed muzzle velocity of 1,250 fps, the 115 grain projectile combines standard defensive bullet weight with +P pressure performance for personal defense and field applications. Underwood loads this ammunition in nickel-plated reloadable brass cases using boxer primers and non-corrosive components. The lead-free solid copper construction is designed to maintain projectile integrity through common intermediate barriers while remaining compatible with suppressor use. Each box contains 20 rounds, while full case quantities include 200 rounds of 9mm Luger +P ammo. Bulk 9mm ammunition purchases qualify for free shipping through Target Sports USA.
Features and Specifications:
- 115 Grain Xtreme Penetrator Projectile: This 9mm Luger +P ammo uses a solid copper monolithic bullet with a machined nose profile designed for deep penetration and defensive handgun applications.
- +P Pressure Defensive Load: Loaded to +P pressure specifications, this ammunition is intended for use in firearms rated for higher-pressure 9mm Luger ammunition.
- 1250 fps Velocity Rating: Loaded to 1,250 fps, this defensive handgun load balances velocity and projectile weight within the 9mm +P category.
- Lead-Free Solid Copper Construction: The monolithic copper projectile is designed to maintain structural integrity while eliminating lead content from the bullet design.
- Nickel-Plated Reloadable Brass Cases: Underwood uses boxer-primed nickel-plated brass cases intended to support reliable feeding, corrosion resistance, and reloadability.
- Barrier-Oriented Bullet Design: The solid copper construction and machined cutting surfaces are intended to reduce projectile deformation when encountering intermediate barriers.
- Supersonic Defensive Ammunition: This 9mm +P load is designed as a supersonic handgun round for defensive and field use applications.
Deep Dive
Overview
This 9mm Luger +P ammo is intended for personal defense and field applications in modern centerfire handguns rated for +P ammunition. The solid monolithic projectile design offers an alternative to traditional expanding hollow point handgun ammunition by emphasizing penetration and projectile integrity. Its 115 grain bullet weight places it within the common defensive weight range for 9mm handgun loads while maintaining a supersonic velocity profile. The machined bullet nose is designed to support consistent feeding in semi-automatic pistol platforms and maintain straight-line penetration characteristics. Underwood also identifies this ammunition as suitable for hunting applications where handgun hunting with 9mm ammunition is permitted. Because this is +P ammunition, shooters should verify compatibility with their firearm manufacturer before use. The lead-free projectile design may also appeal to shooters seeking solid copper defensive ammunition options.
History and Development
Underwood Ammo produces specialized handgun and rifle ammunition designed for defensive, hunting, and high-performance shooting applications. The company is known for loading ammunition that emphasizes velocity, energy output, and application-specific projectile designs across a broad range of calibers. The Xtreme Penetrator line was developed as part of Underwood’s defensive ammunition offerings using solid copper monolithic bullet construction and a machined nose profile intended to support deep penetration characteristics. This product line differs from conventional hollow point ammunition by using a non-expanding projectile design with machined cutting surfaces and a solid copper body. Underwood continues to offer Xtreme Penetrator ammunition across several popular handgun calibers and pressure categories.
Common Questions and FAQs
- Is this 9mm ammunition loaded to +P specifications?
Yes, this load is designated as 9mm Luger +P ammunition and should only be used in firearms rated for +P pressure levels.
- What type of bullet does this ammunition use?
It uses a 115 grain Xtreme Penetrator solid copper monolithic projectile.
- Is this ammunition lead-free?
Yes, the projectile used in this ammunition does not contain lead.
- What is the listed velocity for this load?
Underwood lists the muzzle velocity at 1,250 fps.
- Are the cases reloadable?
Yes, this ammunition uses boxer-primed reloadable nickel-plated brass cases.
- Does this bulk 9mm ammo include free shipping?
Yes, bulk purchases of this 9mm Luger +P ammo qualify for free shipping through Target Sports USA.
- Can this ammunition be used with aftermarket Sig P365 conversion barrels?
Underwood does not recommend aftermarket Sig P365 conversion barrels for use with their +P 9mm ammunition. The company states that testing and validation is performed using factory Sig P365 barrels.
The 'Round Up'
Perfect Fit for:
Why It Stands Out:
Underwood 9mm Luger +P 115 Grain Xtreme Penetrator ammunition is a specialized defensive handgun load built around a solid copper monolithic projectile and a +P pressure loading. The machined bullet design focuses on penetration and projectile integrity rather than traditional hollow point expansion. Nickel-plated reloadable brass cases and lead-free bullet construction are included as part of the loading configuration for defensive handgun use. This ammunition is packaged in 20-round boxes with 200-round case quantities available for bulk purchases. Its combination of a 115 grain projectile weight, supersonic velocity profile, and solid copper construction makes it suitable for defensive and field handgun applications in compatible firearms.
| Field | Details |
| MPN | 822 |
| UPC | 816874020156 |
| Manufacturer | Underwood |
| Platform | Handgun |
| Ammo Application | Personal Defense |
| Ammo Type | Solid Monolithic |
| Caliber | 9mm Luger |
| Grain Weight | 115 |
| Quantity Per Package | Box of 20 / Case of 200 |
| Test Barrel Length | Not Provided |
| Muzzle Velocity | 1250 fps |
| Muzzle Energy | 399 ft lbs |
| Ballistic Coefficient (G1) | Not Provided |
| Case Type | Nickel Plated Brass |
| Primer Type | Centerfire / Boxer |
| Corrosive | No |
| Reloadable | Yes |
| Lead Free | Yes |
| Staked Primer | Not Provided |
| Country of Origin | USA |
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