Ultradyne USA

Designed for shooters who demand precision, modularity, and reliable fit, the UD Gen 2 Adjustable Butt Stock is a purpose-built stock that attaches quickly to any 1913 Picatinny, or mil-spec threaded rear mounting interface, and pairs exceptionally well with the UD Chassis and Picatinny Chassis. Features : - 6061 T6 Aluminum Material - Stock Interface: 1913 Picatinny or Mil-Spec Buffer Tubes - "Length of Pull Adjustment: 12.75"-13.75" (14.75" with spacer kit)"