The Underwood .380 ACP +P 90gr XTP Jacketed Hollow Point from Underwood Ammo (Underwood part no. 141) is a 20-round box of .380 ACP +P ammunition. It uses the Hornady eXtreme Terminal Performance bullet, which Underwood says is designed for deep terminal penetration, great accuracy and controlled expansion, combined with Underwood’s own load design. The 90-grain bullet leaves the muzzle at 1,200 fps with 288 ft-lbs of energy by Underwood’s figures. Nickel-plated brass cases support feeding and resist tarnish. Underwood designates this load .380 ACP +P, separate from its standard .380 ACP XTP load.

Key Specifications

• Chambering is .380 ACP +P, the designation Underwood prints for this load.
• Bullet weight is 90 grains, the projectile mass Underwood lists for this load.
• Bullet construction is jacketed hollow point, built to expand on impact.
• The bullet model is the Hornady eXtreme Terminal Performance (XTP), designed for deep terminal penetration, great accuracy and controlled expansion.
• Muzzle velocity is listed at 1,200 fps, the figure Underwood publishes for this load.
• Muzzle energy is listed at 288 ft-lbs, Underwood’s published number for this load.
• The case is nickel-plated brass, which Underwood says improves feeding and corrosion resistance and keeps the case from tarnishing in storage.
• Box quantity is 20 rounds, the number of loaded cartridges in the box you receive.
• Underwood classes this load as supersonic in its velocity rating.
• The G1 ballistic coefficient is 0.1, Underwood’s published figure for how well the bullet holds its speed in flight.

Frequently Asked Questions

Is this the +P version of the .380 ACP XTP load? Yes. Underwood lists this load as .380 ACP +P with a 1,200 fps muzzle velocity, and it sells a separate standard .380 ACP 90-grain XTP load.

How many rounds are in the box? Each box holds 20 loaded rounds.

Is this ammunition suppressor safe? Underwood lists this load as safe to use in a suppressor.

Buy the Underwood .380 ACP +P 90gr XTP Jacketed Hollow Point Ammunition, 20-Round Box

Anyone carrying or range-testing a .380 ACP pistol can use the +P designation on the box to tell this load apart from its standard-pressure sibling. Order from our Lubbock, Texas gun shop for fast, insured shipping, and see more handgun ammunition.