50rds – 22 Mag Winchester PDX1 Defender 40gr. JHP Ammo

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Winchester Ammunition 40 Grain Jacketed Hollow-Point (JHP) Ammo Details

Do you like to tuck an NAA derringer behind your ear in case your primary weapon falters when you most need it? Do keep an S333 Thunderstruck ready to go so you unleash two shots with a single trigger pull? Or if you don’t like the 22 Magnum for personal protection, does it fit into your standard approach for dealing with varmints? All the same, you’ll find Winchester’s PDX1 ammunition well worth your time.

This round’s 40 grain bullet is no simple jacketed hollow point. Its core and jacket are welded together so it can retain the momentum needed to satisfy the FBI test protocol’s criterion for penetration, and it is furthermore notched to promote expansion up to 1.5 times its original diameter. While a 22 WMR will never deliver the same kind of devastation as, say, a 9mm, the PDX1 label maximizes the potential of a rimfire round.

This round is somewhat unique for a 22 WMR in that its brass case is nickel-plated. Nickel creates less friction as it cycles through a semi-auto, and also slides out of a revolver or derringer’s chamber far more easily. Throw in Winchester’s snappy primer and uniform propellant charge and you’ve got one angry bee of a round to have on your side when things turn grim – or just you when you run into a squirrel.
  • Casing Type
    Nickel-Plated Brass
  • Bullet Weight
    40 Grain
  • Bullet Type
    Jacketed Hollow-Point (JHP)
  • Manufacturer
    Winchester Ammunition
  • Manufacturer SKU
    S22MPDX1
  • Muzzle Energy
  • Muzzle Velocity
    1295
  • Primer Type
    Rimfire

Ballistic Gel Testing

In hopes of giving ourselves and our customers a better idea how this 22 Magnum (WMR) self-defense ammo would perform if called upon in a self-defense scenario, we tested dozens of the best selling hollow points on the market.

We fired five rounds of this Winchester Ammunition 22 Magnum (WMR) ammo through a cloth barrier into Clear Ballistics calibrated synthetic gelatin and recorded the results. For these tests, we used a Ruger LCR with a 1.87-inch barrel. In the photos, graphics and video on this page, you can see specifically how the Winchester Ammunition ammo performed and how it sticks up with the rest of the 22 Magnum (WMR) ammo we have tested so far.

To read more about our testing procedures and discover what round makes the best self-defense ammo for you head to this page.

Winchester Ammunition 40 Grain 22 Magnum (WMR) ammunition fired into ballistic gelatin

Unfired versus Fired Round Comparison

Image detailing before and after firing 50rds – 22 Mag Winchester PDX1 Defender 40gr. JHP Ammo Image detailing before and after firing 50rds – 22 Mag Winchester PDX1 Defender 40gr. JHP Ammo

How do the results for this Winchester Ammunition 22 Magnum (WMR) compare to other 22 WMR (22 Magnum) ?

50rds – 22 Mag Winchester PDX1 Defender 40gr. JHP Ammo Gel Test Results
  Median
Bullet Depth (in.) 13.4 14 14.2 14.5 15.9
Expanded Diameter (in.) 0.22 0.22 0.22 0.22 0.22
Bullet Weight after shot (gr.) 40 40 40 40 40
Bullet Velocity (fps) 1008 1016 1027 1047 1074
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  • ☆☆☆☆☆

    posted on by Steven

    Round looks good. Whoever wrote this review should have proofed it before publishing it.

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