XS Sights Launches +5 Extension for S&W M&P 2.0 & Walther PDP
XS Sights has added a magazine extension to their lineup, and the approach here is worth understanding before you write it off as another aftermarket add-on. Most extensions at this price point either require a spring swap to function reliably with the added capacity, or they do not function reliably at all. XS specifically engineered the +5 to work with factory springs on both the S&W M&P 2.0 and Walther PDP without any component changes. That means the install is truly plug and play, no tools, no upgraded internals, no extra trip to the parts counter.
More XS Sights on AO:
- New XS Sights Products for Diamondback SDR & Walther PDP
- The Springfield Echelon Gets the XS Sights R3D 2.0 Night Sight Treatment
- Day or Night Defense: XS Sights New Kimber K6s R3D Nights Sights
- New Ghost Ring Sights For Henry Big Boy Carbines from XS Sights
- NEW Lever Rails for Henry Big Boy Carbines from XS Sights
The extension is machined from aircraft-grade aluminum and finished in Black Nitride, which gives it better corrosion and wear resistance than standard anodizing. The fit is precision-machined to integrate with factory magazines rather than relying on set screws or friction, and the added length of the extension provides a slightly longer grip surface as a secondary benefit for shooters who run these pistols in competition or duty use.

- Capacity increase: +5 rounds
- Material: Aircraft-grade aluminum
- Finish: Black Nitride
- Installation: Tool-free
- Spring requirement: Factory spring compatible, no upgrade needed
- Compatible: S&W M&P 2.0 (15-round and 18-round magazines), Walther PDP (15-round and 18-round magazines)
- Warranty: Limited Lifetime
- MSRP: $40.00
The compatibility covers both the 15-round and 18-round factory magazine variants on each platform, so if you are running both a compact and a full-size version you are covered with the same extension. At $40 it is a low-stakes upgrade for anyone who wants more rounds in the gun for competition stage planning, training, or defensive use without buying new magazines entirely.
XS backs the extension with their Limited Lifetime Warranty, which adds value on a component that gets a lot of use and abuse in any hard-use pistol setup.

Are you running an M&P 2.0 or PDP and looking to bump capacity without moving to a higher-capacity factory magazine? Let us know in the comments below. We always appreciate the feedback.
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