06-17-2021, 12:59 AM
(This post was last modified: 06-17-2021, 01:02 AM by StoneHendge.)
These are what I have been loading in x39 brass in my 243 LBC - got 1k of pulls from American Reloading last year. I don't know what my jump is since I didn't have a modified case when I got them, but I seat them at an OAL of 2.13 which is certainly a bit of a jump. My base to Hornady bullet comparator is 1.67" - compare that to a one of your Grendel chambers and ARC chamber. They seem to be forgiving and are extremely accurate at range. My MV is a barrel friendly 2400 and I regularly work an 8"plate at 550 with them (with a 3-12x scope).