This is Mesa Tactical's Gen 1 buttstock kit to convert a Remington 870 to a tactical shotgun. To complete a conversion, you could get a rubber fore end and a magazine tube extension. The Gen II telescoping butt stock sells now for over $300, plus the $41 LimbSaver recoil pad. Note pic of the buttstock kit and what it looks like on my shotgun. About a $350 value if you bought from Mesa Tactical, and I'm asking $150. Firm. Condition is essentially new.