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The Walther PDP (Performance Duty Pistol) was introduced in 2021 as Walther's flagship striker-fired handgun, and the 4.5-inch Full Size variant quickly became a favorite for range use, home defense, and duty carry. It runs on a polymer frame with a steel slide, weighing in at 22.3 oz without a magazine and 25.4 oz with an empty mag in place. Overall length is 8 inches, height is 5.7 inches, and width measures 1.34 inches. The 4.5-inch barrel gives you a 6.9-inch sight radius, which translates to real-world accuracy improvements during both slow fire and faster-paced drills.
The Performance Duty Trigger is the headline feature on this pistol, and it earns the attention. With a 5.6 lb pull, 0.28 inches of travel, and a clean, tactile break, it shoots like something you'd pay extra to have installed in a lesser gun. The reset is short and deliberate, which makes follow-up shots faster and more consistent. Walther designed the trigger geometry around the idea that repeatability matters more than lightness alone, and it shows. American Rifleman praised the PDP's trigger as "best-in-class" among striker-fired pistols, and it's hard to argue after shooting one.
The grip is covered in Walther's Performance Duty Texture, a tetrahedron-pattern surface that bites into your hand under pressure without being abrasive against skin or clothing during carry. Three interchangeable backstraps let you dial in the fit for your hand size, and the grip circumference on the medium backstrap measures 5.8 inches. The frame includes a Picatinny rail for lights or lasers, an ambidextrous slide lock lever, and a reversible magazine release. It's a genuinely well-thought-out layout that doesn't require you to reach for anything awkward.
The optics-ready slide is factory-milled with Walther's proprietary cut, and a mounting plate is required to attach a red dot. Walther offers plates for popular footprints including the Trijicon RMR, Holosun 407C/507C, Leupold DeltaPoint Pro, and several others. The adjustable Glock-cut rear sights come standard, making aftermarket sight swaps straightforward. SuperTerrain serrations protrude from the slide surface rather than being cut into it, giving you a more positive grip when running the slide in any weather.
Yes, an optics mounting plate is included, but you will need to make sure it matches the footprint of your specific red dot. Walther uses a proprietary slide cut, and plates are available for popular optics including the Trijicon RMR, Holosun 407C/507C, Leupold DeltaPoint Pro, and others. If you need a different plate than what's included, Walther offers an optics plate request through their website, and several aftermarket options exist as well.
The Performance Duty Trigger on this model has a measured pull weight of 5.6 lbs and 0.28 inches of travel. What sets it apart is the clean, tactile break and short reset, which makes it feel noticeably crisper than most factory striker-fired triggers at this price point. It's widely regarded as one of the better out-of-the-box triggers in the duty pistol category.
Yes. The PDP Full Size ships with interchangeable backstraps that let you adjust the grip circumference to fit your hand. The medium backstrap puts the grip circumference at 5.8 inches. This modularity is a genuine advantage over pistols that ship with a fixed grip profile and require aftermarket work to modify.
The PDP uses a stepped chamber design that pairs a full SAAMI-spec 9mm rear chamber with a tapered front section, which helps the pistol run reliably across a wide range of ammunition types. Extended reviews and range reports consistently note solid reliability with both FMJ and hollow point loadings, including standard pressure and +P cartridges.
The PDP Full Size slide accepts a wide variety of popular red dots through Walther's plate system, including the Trijicon RMR and SRO, Holosun 407C, 507C, and 508T, the Leupold DeltaPoint Pro, and others. The key is matching your optic's footprint to the correct plate. Worth knowing: if you're planning to run iron sights alongside a red dot, suppressor-height or taller sights are often needed for a proper co-witness.
The PDP competes directly with the Glock 17, Sig Sauer P320, and similar full-size striker-fired pistols. Where it consistently gets the edge is ergonomics, factory trigger quality, and the optics-ready setup right out of the box. The Performance Duty Grip Texture, interchangeable backstraps, and natural grip angle are frequently highlighted as standout advantages. The PDP platform is also Walther's current flagship, adopted by German special forces in 2024, which speaks to its real-world pedigree.
| UPC | 723364235511 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | 2891514 |
| Action | |
| ATF Type | Pistol |
| Barrel Length | 4.5" |
| Caliber/Gauge | 9mm |
| Capacity | 10 + 1 |
| Color | Black |
| Length | 15.1500 |
| Magazine Included | 2 x 10-Round |
| Model | |
| Number of Magazines | 2 |
| Package Height | 2.5 |
| Package Width | 9.5 |
| Product Type | Semi-Auto Pistol |
| Safety | Manual |
| Shipping Weight | 4.05 |
| Sights | Adjustable Glock-Cut |
| Sights Type | Adjustable Sights |
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