The C&H Precision Weapons CHP Adapter Plate, Converts the Staccato Duo to the Holoson 509T, Anodized Finish, Black, Includes Mounting Hardware STID-509T is a top-notch product designed by C&H Precision Weapons. This adapter allows seamless integration of the Holosun 509T optic onto your STACCATO DUO™ firearm. The adapter is manufactured using high-quality steel, ensuring durability and longevity. It provides a secure and precise fit, guaranteeing optimal performance and accuracy. With its sleek design and reliable construction, this adapter is a must-have accessory for any shooting enthusiast. Upgrade your firearm with the C&H Precision Weapons CHP Adapter Plate, Converts the Staccato Duo to the Holoson 509T, Anodized Finish, Black, Includes Mounting Hardware STID-509T and experience enhanced shooting capabilities.