MagazineBlocks.com Magblock 10 Round Limiter for New Pmag 30 Gen M3 (3 Pack)

The original Magblock 10/30 MCL (Magazine Capacity Limiter) for new Magpul 30 round Gen M3 Pmags in .223/5.56mm. This block will replace the lower spring attachment point or locking plate and convert a 30 round magazine to hold only 10 rounds. The Pmag dust covers will still fit and magazines can be loaded with the bolt closed. Does not affect reliability or magazine function. No increase in spring pressure which would reduce spring life. Compatible with new Gen M3 Pmags 30 round Pmags only. These will not work in 30 round Gen 2 Pmags. Can not be cut down to fit 20 round Gen M3.