Description
Underwood Xtreme Defender .40 S&W 140 Grain ammunition is a high-performance defensive load built for shooters who demand maximum stopping potential, reliable feeding, and modern terminal effectiveness. Known for producing some of the most powerful handgun ammunition available, Underwood designed the Xtreme Defender line to deliver consistent real-world performance for personal protection and duty use.
This load features a 140 grain solid copper Xtreme Defender projectile with a patented fluted design that creates devastating energy transfer and consistent wound channels without relying on traditional hollow point expansion. This makes it an excellent option for dependable performance through heavy clothing and common barriers, while still maintaining effective penetration.
Optimized for .40 S&W defensive pistols, the lightweight 140 grain bullet provides fast, controllable recoil and flat-shooting performance, making it a strong choice for concealed carry, home defense, and serious defensive readiness. Packaged in a convenient 20-round box, it’s ideal for carry rotation and personal protection preparation.
Quick Highlights
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Caliber: .40 S&W
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Bullet Weight: 140 Grain
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Bullet Type: Solid Copper Fluted Xtreme Defender
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Intended Use: Personal Defense
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Rounds Per Box: 20
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Manufacturer: Underwood Ammunition
Use Cases & Applications
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Concealed carry and everyday protection
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Home defense handgun ammunition
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Duty use in .40 S&W platforms
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Barrier and heavy clothing performance
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Defensive preparedness and carry rotation
Technical Details
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Manufacturer: Underwood Ammunition
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Product Line: Xtreme Defender
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Caliber: .40 S&W
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Bullet Weight: 140 Grain
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Projectile Type: Solid Copper Fluted Defensive Bullet
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Rounds per Box: 20
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Application: Defensive / Personal Protection
Ammunition Sales Notice: By purchasing ammunition from RJ Whited LLC, you certify that you are legally permitted to purchase and possess ammunition under all applicable federal, state, and local laws. You must be at least 18 years of age to purchase rifle or shotgun ammunition and at least 21 years of age to purchase handgun ammunition. It is the buyer’s responsibility to know and comply with all laws and restrictions in their jurisdiction. We will not ship ammunition to locations where it is prohibited. All ammunition sales are final.





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