If you are looking for new tactical rear stock set up for your Mini or mid sized MPA 9mm, this is for you! This black aluminum stock is only 7-1/5" long and lightweight. Includes an extension tube, sling swivel, foam over tube, and a 1/2" recoil pad. The sling swivel can be relocated to any of four different locations. (photos shows it on lower rear) The stock has been machined to fit with our rear stock adapter designed only for the MPA 9mm series. This set up will only fit all MPA 9mm guns. Includes rear stock adapter, bolt and ACE rear stock, ONLY. (gun & other parts sold separately) NFA rules apply, Addition of this item may require additional paperwork to be filed with the ATF, check with your local dealers. Fits MPA 9mm, also fits Mini 930. Fits 5.7x28mm with Threaded slot on underside of rear receiver.