The PMAG Minus 5 Round Limiter installs in 10 20 or 25 round 7.62×51 LR/SR GEN M3 PMAG bodies reducing the magazine capacity by five rounds. Designed for sporting and hunting applications installation of the Limiter is simple tool-less and requires no permanent modification of the magazine body. This will NOT make a banned magazine legal. This product is intended for TEMPORARY capacity reduction of PMAG LR/SR GEN M3 magazines.