Underwood Ammunition 9mm Luger +P+ 147 Grain Full Metal Jacket Box of 50

The Underwood 9mm Luger 147 Grain Full Metal Jacket delivers dependable performance for shooters who want repeatable results. Underwood pairs a 147-grain full metal jacket projectile with quality brass casings and clean-burning propellant. As a result, this load gives handgun and carbine shooters reliable feeding and consistent point-of-impact on every trigger pull. Specifically, this loading suits high-volume range training and competition practice.

About This Underwood Load

Underwood built its reputation on tight manufacturing tolerances and consistent quality control. This 9mm Luger offering reflects that same standard. The factory sizes and primes each case for reliable chambering across a wide range of pistols and 9mm-chambered carbines. Additionally, the plant meters every propellant charge carefully, so velocities stay consistent from lot to lot. Therefore, shooters loading this 147 grain full metal jacket round can expect uniform cycling in both striker-fired and hammer-fired platforms. In short, this ammunition delivers the shot-to-shot consistency that makes practice sessions and function testing meaningful.

Ballistic Performance and SAAMI Specifications

Underwood manufactures every round in this line to SAAMI’s published specifications for the 9mm Luger cartridge. This ensures safe chamber pressures and reliable dimensional compatibility with SAAMI-spec firearms. Because this is a +P+ loading, it operates at a higher pressure ceiling than standard-pressure 9mm ammunition. Consequently, shooters should confirm their firearm handles +P+ pressures before firing. For example, handloaders working up their own 147 grain projectiles often reference this factory loading’s published velocity as a useful benchmark. However, chronograph results can vary by barrel length. Therefore, always verify velocity and function in your own firearm before relying on this load for defensive or competition use.

Boxes ship in standard quantities of 50 rounds, which makes restocking for range day simple. For more options, browse the full 9mm Luger ammunition selection, including additional full metal jacket and defensive loads. Also check our Bulk Savings page for discounted case-quantity pricing on Underwood 9mm ammunition. Finally, store all ammunition in a cool, dry location away from direct sunlight. Doing so preserves propellant consistency and primer reliability over time.