This is a Magpul Industries Magazine Accessory known as the Ranger Floorplate chambered in 7.62X39, model MAG565-BLK.
The Magpul PMAG Ranger Plate AK/AKM is a floor plate replacement for all Kalashnikov PMAG magazines that incorporates an integral loop similar to the original Magpul USGI Ranger. The reinforced polymer base has an over molded rubber loop that provides positive control and impact protection. When installed on the base of the magazine" the PMAG Ranger Plate provides unsurpassed speed and control during high stress" tactical magazine changes. The PMAG AK/AKM Ranger replaces standard Kalashnikov PMAG floor plates. Made in U.S.A.
Features:
Only fits Kalashnikov AK/AKM PMAGS
Designed for positive control and impact protection
Reinforced polymer base with overmolded rubber loop