Underwood Ammo .380 ACP Xtreme Penetrator ammunition features a 90-grain copper solid bullet and a listed muzzle velocity of 1,100 feet per second. Each box contains 20 rounds loaded in nickel-plated brass cases. The supplied product data identifies this ammunition for personal-defense applications and hunting.

Key Specifications

• The cartridge caliber is .380 ACP, also identified in the supplied data as .380 Auto.
• The bullet is a 90-grain copper solid design.
• The listed muzzle velocity is 1,100 feet per second.
• The listed muzzle energy is 242 foot-pounds.
• The ammunition uses nickel-plated brass cases.
• The cartridges are listed as boxer-primed and reloadable.
• Each box contains 20 rounds.
• The product is supplied in cases containing 10 boxes.
• The bullet is listed as lead-free.
• The round is listed as supersonic and suitable for use in a suppressor.

With its defined .380 ACP chambering, copper solid construction, reloadable nickel-plated brass cases, and compact 20-round box configuration, this Underwood load provides a clearly specified option for customers selecting ammunition for compatible firearms.

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