04-18-2012, 07:57 PM
bwaites Wrote:Magpul has. Their expertise in polymers led them to the point that a Grendel mag wasn't feasible with current technology. The polymer walls have to be too thick, evidently.Yup. Magpul is currently developing a 30-rd P-Mag for 6.8 SPC, but with a wider body that requires a lower receiver with enlarged mag well.
![[Image: photo2zrp.jpg]](http://img192.imageshack.us/img192/8494/photo2zrp.jpg)
