The C&H Precision Weapons CHP Adapter Plate, Converts the Walther PDP 1.0/PPQ (Q4/Q5) to the Holosun 509T, Anodized Finish, Black, is an excellent addition to your firearm accessories. Manufactured by the renowned brand C&H Precision Weapons, this adapter is specifically designed for the Walther DEF PDP pistol and is compatible with the Holosun 509T reflex sight. This high-quality adapter provides a secure and precise fit, ensuring optimal performance and accuracy. With its durable construction and easy installation, the C&H PRECSN WALTHER DEF PDP ADAPTER HOLOSUN 509T is a must-have for any gun enthusiast. Add it to your collection today in the 'Shop All' category.