This is the CCM 2K Mini Kit Adapter for standard 2K mini autococker markers.   Intended to be used with CCM pump kits with a pump arm length of 9.6 inches.  The stainless steel guide rod and pump arm are hand polished for a smooth pump stroke.  It is not compatible with Karnivore style markers.  

   CCM products are designed and manufactured in the United States and are machined from high quality materials such as 6061 air craft grade aluminum, 300 series stainless steel, and durable plastics such as delrin and lexan.
MADE IN THE USA