40 S&W) with witness holes on both sides ... is increasingly common on striker-fired handguns-because the PPX is hammer fired. Walther calls the system a pre-cocked double-action.

40 S&W. The PPX is a full-sized semi-auto pistol ... Overall, it was a comfortable pistol to work during off-hand shooting. The Walther PPX represents one of those good opportunities to purchase ...