20 Rounds of .40 S&W Ammo by Winchester USA Ready Defense - 170gr JHP

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Ammo Overview

Ammo Quantity - 20 rounds per box
Ammo Manufacturer - Winchester
Projectiles - 170 grain jacketed hollow point (JHP)
Ammo Casings - Boxer-primed nickel-plated brass
Muzzle Velocity - 1,170 fps
Muzzle Energy - 517 ft lbs


What if you could get match grade accuracy and authoritative terminal performance out of one 40 S&W self-defense cartridge? When you choose Winchester USA Ready Defense for your EDC’s magazine, you can!

This cartridge’s 170 grain jacketed hollow point bullet doesn’t just hit a close-range target with approximately double the minimum kinetic energy typically advised for personal protection. It also offers virtually barrier-blind performance, as its inflexible Hex-Vent insert prevents its nose cavity from clogging up with debris like fabric, wall board particles or plywood. The tough JHP penetrates to an effective depth for self-defense while its notched jacket produces wide-diameter terminal expansion. All in all, a heck of a potent package.

This lot-controlled .40 cal ammo features match Boxer primers and nickel-plated brass cases, the latter of which benefit performance in a number of ways: smoother functionality in a semi-auto, added resistance against corrosion, and better visibility while you conduct a chamber check in low lighting. Made in America, of course!

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