Walther PPQ Flared Aluminum Magwell Brass. 40. Installation requires removal of the backstrap cutting a slot in the backstrap to make room for the retaining hook then replacing the backstrap Magwell and the roll pin. Specifications for Walther PPQ Flared Aluminum Magwell: Manufacturer: Walther Fabric/Material: Brass Gun Make: Walther Gun Model: Walther PPQ Features of Walther PPQ Flared Aluminum Magwell Note: The Flared Magwell requires extended magazine basepads to be used. The factory PPQ magazines will not fit in the funnel. The Taylor Freelance basepads and magwell are not compatible with the new +2 extension and aluminum magwell. Package Contents: Walther PPQ Flared Aluminum Magwell What firearm models does the manufacturer say Walther PPQ Flared Aluminum Magwell is compatible with? The manufacturer says that Walther PPQ Flared Aluminum Magwell is compatible with Walther PPQWalther Arms 5132110: PPQ Flared Aluminum Magwell Brass