Posted by Shaun Stoffels on
URL: http://oldforum.flyshooter.com.au/6mm-Grendel-Improved-6mm-ProCal-tp5709226p5710542.html

I've just fireformed my first lot of cases in the 6 Grendel. Interesting to see how much difference there is in MV between Grinch/Procal and normal Grendel.

27gr 2206H with a 107SMK jumped 10 thou got me 2760 fps fireforming. And shot not to bad vertical at 800m in some horrible conditions.