9mm +P ammo is loaded to higher pressure levels, therefore please make sure that your firearm has the necessary chamber support for this round. If you have any doubts of whether or not your firearm is suitable for this ammunition please have a gunsmith inspect it, or you are more than welcome to contact us.
The Xtreme Defender is based on the popular Xtreme Penetrator product line. 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. Not only is the PWC over 100% larger than any other expanding bullet, expansion is achieved despite being shot through barriers. The solid copper body ensures that wallboard, sheet metal, and automotive glass will have no effect on the Permanent Wound Channel.
Until the development of the Ducta-Bright 7a process, nickel plating casings often limited the number of reloads as compared to raw brass. It was claimed that nickel plated brass casings embrittled the brass therefor making it less desirable for reloaders despite the ease of cleanup that nickel plating offers. In addition, ammunition engineers raising concerns of using nickel plating in very hot +P or magnum loads found that traditional nickel plating often cracked deep-drawn cases, or worse, lead to a total failure. This new process eliminates any concern, to the shooter or reloader, of hazard or ability to re-use the brass.
As with all of Underwood Ammo rounds, They utilize flash suppressed powder so that your vision will not be compromised if it becomes necessary to use your firearm in low light. While taking advantage of thier 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. If for some reason Underwood Ammunition fails to meet performance expectations, they stand by our product 100% and they will make sure the customer is satisfied with every purchase.
Technical Information:
- Caliber: 9mm Luger +P
- Bullet Weight: 68 Grains
- Bullet Style: Lehigh Defense Xtreme Defender
- Case Type: Ducta-Bright 7a Nickel Brass
Ballistics Information:
- Muzzle Velocity:Â 1800 fps
- Muzzle Energy: 489 ft. lbs.
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