Underwood 9mm Luger +P+ ammunition (part no. 823) loads a 115-grain Xtreme Penetrator bullet, built for field use. The machined copper nose with radial flutes cuts a wide permanent wound channel without relying on expansion. The nickel-plated brass case is built for reliable extraction and consistent ignition, box after box. It is a natural fit for shooters who need a dependable load for the field or the range, sold here as handgun ammunition built to consistent specs.

Key Specifications

• The chambering is 9mm Luger +P+, so double-check it against your firearm’s barrel markings before ordering.
• The bullet weighs 115 grains, a weight that drives trajectory, recoil, and terminal energy downrange.
• The bullet is a Xtreme Penetrator, a projectile built for straight-line penetration rather than expansion.
• The flutes also help the bullet maintain a straight path through denim, drywall, and other common defensive barriers.
• The case is Nickel-Plated Brass, which resists corrosion and holds up reliably even after long storage.
• Brass cases can be resized, reprimed, and reloaded, stretching the cost of practice ammunition over multiple firings for handloaders.
• Each box holds 20 rounds, the count you are ordering on this page.
• It’s also sold by the case, 10 boxes to a case, for shooters who buy ahead.

Frequently Asked Questions

Does this Xtreme Penetrator load expand on impact? No, this construction is built for reliable feeding and consistent penetration rather than expansion, which is why it is a common choice for practice and high-volume range use.

What is this 9mm Luger +P+ load best suited for? It is built for shooters who need a dependable load for the field or the range.

Buy the Underwood 9mm Luger +P+ 115gr Xtreme Penetrator Ammunition, 20-Round Box

Underwood built this load with a specific job in mind, and the specs above are what you are actually loading into the gun. Whether it is headed for shooters who need a dependable load for the field or the range, it earns a place in the range bag or the truck box. Order from our Lubbock, Texas gun shop and it ships fast to your door.