At this time we do not have plans to offer an AR15/M4 compatible PMAG for larger calibers such as the 6.8 SPC, 6.5 Grendel, or 7.62x39. The primary reason for this is due to the limited physical space inside of the standard M4 magwell. In order to accommodate the increased case diameter of these cartridges, and the subsequent widening of the staggered cartridge stack, the walls of the magazine body would have to be dramatically thinned. This is not conducive to a robust polymer magazine design...
Regardless, we're always looking for ways to improve upon existing products and explore the boundaries of new ideas. Keep an eye on our website for news and updates, and please feel free to sign up for our Newsletter for all the latest new product information (“Connect” at the bottom of our webpage.)
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