In StockSave 12%
Underwood Ammo 10mm 115 gr Copper 20rds
Sold byPalmetto State Armory•Posted May 18, 2026
Compare prices for Underwood Platinum Edition Xtreme Defender 10mm Auto Ammo115 Grain Lehigh Xtreme Defense Lead Free Box of 20$32.49
$36.99
You save $4.50 (12% off)
Price and stock data refresh continuously from Palmetto State Armory.
Deal Summary
- Currently in stock.
- Caliber: 10mm
- Category: ammunition
Price History
Deal Details
The Underwood Ammo Xtreme Defender builds on the proven performance of the Xtreme Penetrator, delivering unmatched stopping power and barrier-blind effectiveness. Engineered with an optimized nose flute, precise weight distribution and high velocity, this solid copper projectile achieves up to 18 inches of penetration while creating a massive permanent wound cavity (PWC). Unlike traditional hollowpoints, the Xtreme Defender's PWC is over 100% larger and maintains its devastating effectiveness ev
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