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The Winchester PDX1 in .40 S&W gives you duty-grade performance in a commercial package. This is the same bonded hollow point technology that Winchester developed for law enforcement agencies, now available for personal defense. The 165-grain loading sits at the lighter end of the .40 S&W spectrum, giving you snappier velocity without excessive recoil compared to heavier options.
The real difference is in how the bullet works. Winchester bonds the jacket directly to the lead core using a proprietary process, meaning the two pieces won't separate when hitting barriers like clothing, drywall, or bone. That structural integrity keeps the projectile heavier as it penetrates, which matters more than most people realize. The notched jacket creates six segments designed to expand evenly, and testing shows the rounds reliably reach 1.5 times the original diameter.
A lot of ammunition expands perfectly into water or gelatin blocks, but falls flat when fired through actual clothing. Winchester engineered the PDX1 to perform consistently through multiple layers of fabric and barrier materials. Velocity is right where it should be at 1,140 fps, producing 476 foot-pounds of energy. Independent testing confirms the round maintains excellent expansion characteristics even after punching through intermediate obstacles.
The nickel-plated brass cases chamber smoothly and eject cleanly, which adds up when you're running drills or depend on your gun working without hiccups. Each round is boxer-primed and reloadable if you're into handloading. It's the kind of detail you don't think about until you need it.
The bonded jacket prevents separation from the lead core when the bullet encounters barriers or bone, which means the projectile retains more weight as it penetrates. That retained weight translates to deeper, more consistent penetration. It also helps maintain structural integrity so expansion happens in a controlled, predictable way rather than fragmenting unpredictably.
Yes. Winchester designed and tested this round specifically to expand through barrier materials like clothing, which is something a lot of ammunition fails at. The notched hollow point design and velocity profile work together to ensure the round still opens up properly even after punching through intermediate obstacles. Testing shows consistent expansion even after passing through multiple layers of fabric.
The 165-grain PDX1 works well in most .40 S&W handguns. It produces less recoil than heavier 180-grain loads while still delivering solid velocity and energy. That said, shorter barrels will see slightly lower velocity, so if you're carrying a compact model with a 3-inch barrel, it's worth testing this round in your specific gun to confirm reliable expansion from your particular setup.
Yes, the nickel-plated brass cases are boxer-primed and reloadable. The quality of the brass is one of the advantages of this ammunition, and many reloaders appreciate having good brass to work with. Just remember that reloading is your responsibility, so take care with your technique and measurements like you would with any handload.
| Caliber/Gauge | .40 S&W |
|---|---|
| Case Material | Nickel-Plated Brass |
| Cost per Round | 1.55 |
| Grains | 165Gr |
| Length | 3.3000 |
| Manufacturer | |
| Manufacturer Part Number | S40SWPDB |
| Model | |
| Product Type | Hollow Point |
| Units per Box | 20 |
| UPC | 020892217850 |
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