The new VP9 Match OR is the latest"" greatest tool from HK for vanquishing the competition. In addition to the class-leading ergonomics and trigger feel that made the VP9 the best-selling HK pistol ever"" the VP9 Match OR is extra in so many ways. The O-ring bushing on the extra-long 5.5-inch barrel tightens up the lockup for extra accuracy and consistency. Additionally"" the machined optics cut accommodates most popular red-dot pistol sights with one of five available mounting plates (sold separately). The 20-round extended magazines give you an extra three rounds over standard VP mags"" allowing you to shoot more and reload less on long stages. This B model has a push-button magazine release.