The bullet in this product has a Sectional Density, (SD) of 0.102.This product has been designed to be an effective choice for the ultimate in self-defense applications.The muzzle energy of this ammo is 435 ft lbs.This round is designed to be supersonic and travels faster than the speed of sound.The bullet in this product does NOT contain lead.This ammo is a proven round for hunting.The ammo case is made from Nickel Plated Brass.This bullet leaves the barrel at 1475 feet per second.The diameter (caliber) of this bullet is 0.355.This ammo is for cartridge size 9mm Luger +P.This ammunition is new production, non-corrosive, in boxer primed, reloadable brass cases. While taking advantage of our state of the art testing equipment, this high-performance ammunition is field tested using popular, real firearms that our customers are most likely to own out in the real world with all the elements you would experience. Nickel-plated casings will not tarnish like brass during storage or when in contact with foreign materials such as leather, moisture, and other metals.Īs with all of Underwood Ammo™ rounds, we utilize flash suppressed powder so that your vision will not be compromised if it becomes necessary to use your firearm in low light. Nickel-plated brass casings, our nickel plating process provides several key benefits, not limited to but including improved feeding in all actions of firearms enhanced corrosion resistance over traditional brass, improved cosmetics, and ease of cleanup during reloading. Minimal surface area to increase the force at the point of contact and sharp cutting edges that defeat barriers.Radial flutes that force the hydraulic energy inward to build pressure.A permanent wound cavity (PWC)that is 2 times greater than any expanding bullet.The solid copper body ensures that wallboard, sheet metal, and automotive glass will have no effect on the Permanent Wound Channel. Not only is the PWC over 100% larger than any other expanding bullet, expansion is achieved despite being shot through barriers. The XD ammunition has an optimized nose flute, total weight, and velocity to achieve a penetration depth up to 18 inches* with a permanent wound cavity (PWC) that is just simply enormous no other expanding hollowpoint comes close to achieving anywhere near this diameter and volume. The Xtreme Defender is based on the popular Xtreme Penetrator product line.

9mm luger