200rds – 357 Magnum Winchester Defender 125gr. Bonded JHP Ammo

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Winchester Ammunition 125 Grain Jacketed Hollow-Point (JHP) Ammo Details

Winchester’s Defender line of ammunition is designed to surpass the ballistics called for by FBI test protocol. As such, few rounds are poised to deliver as much as this 357 Magnum is in a self-defense scenario.

This cartridge sports a 125 grain projectile. The bullet’s hollow point results in expansion up to 1.5 times its original diameter to optimize its stopping power. Its jacket is notched so that expansion can occur along six uniform axes. Because the bullet’s core and jacket have been connected so thoroughly together by Winchester’s proprietary bonding process, this bullet is able to penetrate deeply without forfeiting very much of its weight in the process.

This round features a nickel plated brass casing. Nickel is inherently resistant to corrosion, a trait it imparts to this round to ensure that it will be ready for action when action is ready for you. Nickel’s superior lubricity will further promote smooth ejection should you chamber this round in a semi-automatic pistol.

Ballistic Gel Testing

 

As you hunt for the best self-defense 357 Magnum ammo, we thought you might enjoy seeing the results of some testing we recently conducted with calibrated Clear Ballistics gelatin.

We shot five of these Winchester Ammunition rounds through a four-layer cloth barrier using a S&W 640. The results are detailed in the video you see above as well as the photographs. Through the charts, you should get a great idea how this Winchester Ammunition ammo stacked up relative to other 357 Magnum ammo products available to American shooters.

To get a better sense of our tests, be sure to check out all the protocols we followed when conducting our tests to determine the best self-defense ammo.

Gel test results for Winchester Ammunition 125 Grain Jacketed Hollow-Point (JHP) ammo

Unfired versus Fired Round Comparison

Image detailing before and after firing 200rds – 357 Magnum Winchester Defender 125gr. Bonded JHP Ammo Image detailing before and after firing 200rds – 357 Magnum Winchester Defender 125gr. Bonded JHP Ammo

How do the results for this Winchester Ammunition 357 Magnum compare to other 357 MAGNUM?

200rds – 357 Magnum Winchester Defender 125gr. Bonded JHP Ammo Gel Test Results
  Median
Bullet Depth (in.) 12.3 13.1 14.1 14.3 19.8
Expanded Diameter (in.) 0.49 0.66 0.67 0.68 0.68
Expanded Weight (gr.) 121.6 123.9 124.8 124.9 124.9
Bullet Velocity (fps) 1080 1093 1095 1116 1126
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  • ☆☆☆☆☆

    posted on by Sharon Batterton

    Great Ammo! No problems!

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