The Walther® Q-Series Round Extended Magazine Release Button is an all-metal handgun mag release designed to deliver positive engagement for faster reloads and enhanced performance in duty and competitive shooting applications. CNC-machined aluminum construction provides long-lasting durability and corrosion resistance, and the aggressive checkered pattern ensures a slip-resistant purchase – even with gloved or wet hands. Plus, this upgraded mag release button extends 5mm outside the frame and is 1mm larger in diameter than factory magazine release buttons. Fits PPQ- and Q-series pistols with push button magazine release. Complete kit for dependable performance straight from the factory. Professional installation recommended.