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The Walther PDP Full Size earned its reputation the right way. Developed with input from law enforcement and professional shooters, this 9mm striker-fired pistol gets the fundamentals right in a way that most factory pistols simply don't. The 4-inch polygonal-rifled barrel keeps the package manageable without giving up much in the velocity department, and the steel slide sits on a reinforced polymer frame that keeps weight at a very comfortable 24.6 oz unloaded. At 18+1 capacity, you're running in the same territory as a Glock 17 while getting better ergonomics and a far superior trigger right out of the box.
Walther's Performance Duty Trigger is widely regarded as one of the best factory striker-fired triggers available anywhere. It features a flat-faced shoe, short take-up to a clean and definitive wall, a crisp break, and a short tactile reset that makes rapid follow-up shots come naturally. Pull weight runs approximately 4.5 to 5 pounds, which is right in the sweet spot for a duty or defensive pistol. Most people spend real money trying to get other striker-fired pistols to feel this good, and the PDP delivers it from day one.
Walther didn't just drill a hole in the slide and call it optics-ready. The entire geometry of the Walther PDP Full Size is designed around red dot shooting, what Walther calls RDS Ergonomics. The grip angle and frame shape are engineered to help the shooter naturally present the gun and find the dot quickly. The slide is factory cut for a wide range of red dot optics through interchangeable adapter plates, compatible with popular options like the Trijicon RMR, Holosun 507C, and Leupold DeltaPoint Pro. The iron sights use a Glock-compatible sight cut, so you have a huge selection of aftermarket options if you want to swap them out. SuperTerrain serrations on both the front and rear of the slide are deeply cut and raised above the slide surface, giving you a positive grip for racking under any conditions.
The frame includes three interchangeable backstraps in small, medium, and large, a reversible magazine release, and fully ambidextrous slide stop controls. The Performance Duty Texture on the grip is aggressive enough to lock the gun into a wet hand without being miserable to handle. It's a well-thought-out package that covers all the angles for range training, home defense, and duty use without needing a build sheet to make it competitive.
The PDP Full Size slide is cut for a wide range of popular red dots using interchangeable adapter plates. Compatible optics include the Trijicon RMR, Holosun 407C and 507C, Leupold DeltaPoint Pro, Sig Romeo series, and Vortex Venom and Viper, among others. Check which mounting plate corresponds to your specific optic before ordering, as the plates vary by footprint. Adapter plates can be obtained through Walther's website.
No, the PDP Full Size does not have a traditional external manual safety. Like most modern duty-oriented striker-fired pistols, it relies on an internal trigger safety system rather than an external lever. The trigger safety is integrated into the trigger face itself and disengages only when the trigger is deliberately pressed.
No, PPQ magazines are not compatible with the full-size PDP frame. The full-size PDP uses a longer, higher-capacity magazine to accommodate the 18+1 capacity, and shorter PPQ magazines won't reach the feed ramp. PPQ M2 magazines can work in the PDP Compact, but the full-size model requires PDP-specific magazines.
The Performance Duty Trigger on the PDP Full Size has a pull weight of approximately 4.5 to 5 pounds with a flat-faced shoe, short take-up, a clean break, and a short tactile reset. It's widely considered one of the best factory striker-fired triggers available without any aftermarket modification.
Yes, the PDP ships with three interchangeable backstraps in small, medium, and large sizes, allowing you to customize the grip circumference to fit your hand. Most people find the medium backstrap works best as the default, but swapping them out is straightforward and doesn't require any tools beyond a small pin punch.
Yes, Walther confirms in the PDP owner's manual that the pistol is rated for standard +P 9mm ammunition. The polygonal-rifled barrel and robust steel slide are well-suited for higher-pressure loads. As with any pistol, regular inspection of the barrel and components is a good practice when running +P loads frequently.
| UPC | 723364218262 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | 2851237 |
| Action | |
| ATF Type | Pistol |
| Barrel Length | 4" |
| Caliber/Gauge | 9mm |
| Capacity | 18 |
| Color | Black |
| Length | 15.1000 |
| Magazine Included | 2 x 18-Round |
| Model | |
| Number of Magazines | 2 |
| Package Height | 3.0 |
| Package Width | 9.6 |
| Product Type | Striker Fired |
| Safety | Manual |
| Shipping Weight | 4.0 |
| Sights | 3-Dot White |
| Sights Type | 3-Dot White |
| Slide Description | Optic Ready/Serrated |
| State Restriction (IL) | NO SALE TO ILLINOIS PICA |
| State Restriction (OR) | NO SALE TO OREGON |
| State Restriction (RI) | NO DIRECT SHIP TO RHODE ISLAND |
| State Restriction (WA) | NO DIRECT SHIP TO WASHINGTON |
| Units per Box | 1 |
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