Underwood Xtreme Defender 9mm Luger +P 90gr – 20rd Box

Underwood Xtreme Defender 9mm Luger +P 90gr copper solid monolithic ammunition is a high-velocity, lead-free load offered in 20-round boxes. The cartridges use nickel-plated, boxer-primed, reloadable brass cases and are described as new-production, non-corrosive ammunition. Reported performance for this load is 1475 fps muzzle velocity and 435 ft lbs muzzle energy, intended for personal defense and field applications.

Key Specifications

• The caliber is 9mm Luger +P.
• The bullet weight is 90 grains.
• The bullet type is Copper solid monolithic.
• The muzzle velocity is 1475 fps.
• The muzzle energy is 435 ft lbs.
• The case material is Nickel-plated brass.
• Each box contains 20 rounds per box.
• There are 10 boxes per case.
• The ammunition is rated +P.
• The ballistic coefficient (G1) is 0.087.

This load combines a high-velocity profile and a solid monolithic projectile for consistent penetration and weight retention. The nickel-plated, reloadable brass cases and boxer primers support reloading and reliable feeding, while the product’s stated specifications make it a practical choice for informed shooters seeking a high-performance defensive or field round.

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