This is a Magpul Industries Magazine Accessory known as the Round Limiter chambered in 762NATO, model MAG563-BLK.
The PMAG Minus 10 Round Limiter installs in 10" 20" or 25 round 7.62x51 LR/SR GEN M3 PMAG bodies" reducing the magazine capacity by ten rounds. Designed for sporting and hunting applications" installation of the Limiter is simple" tool-less" and requires no permanent modification of the magazine body.
Features:
Designed for sporting and hunting applications
Simple installation
For TEMPORARY capacity reduction of PMAG LR/SR GEN M3 magazines
