Underwood Xtreme Defender 10mm 115gr Copper Solid 20rd

Description

The Underwood Xtreme Defender is a monolithic copper solid handgun load offered for 10mm Auto, described for hunting and personal defense applications. This load uses a 115-grain copper projectile and is listed with a muzzle velocity of 1700 feet per second. Cartridges are packed in 20-round boxes and use nickel-plated brass cases with boxer primers. The product is described as reloadable and engineered for retained mass and barrier resistance.

Key Specifications

• The caliber is 10mm Auto.
• The bullet type is a copper solid (monolithic).
• The bullet weight is 115 grains.
• The listed muzzle velocity is 1700 fps.
• The listed muzzle energy is 738 ft lbs.
• The cartridge cases are nickel-plated brass.
• Each box contains 20 rounds.
• There are 10 boxes per case.
• This ammunition is listed as reloadable.
• The listed application is personal defense.

Built around a monolithic copper projectile and durable nickel-plated brass cases, the Xtreme Defender is presented as a purpose-driven 10mm load for users who prioritize retained mass and reliable feeding. Its listed specification set — high listed velocity, reloadable cases, and a 20-round pack format — makes it suitable for field use where penetration and consistency are desired. This cartridge offers a focused option for shooters looking for a deep-penetrating 10mm load from a recognized manufacturer.