New 8mm Rem Mag & Range Report
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07-23-2012, 09:19 AM
Well, today is revealing indeed all accept me changing my OAL and opening up my group to over twice the size it was Friday. You know, sometimes I need to leave somethings a lone. Now that said, here are my velocities from two different groups this morning and they are not over max (you can see by looking at my brass). I am going to adjust my OAL back to were it was 3.600" and continue to work up one tenth of a grain at a time till I get near or at max for my rifle.
Here are pictures of my chronograph readings, brass fired for highest velocity average and my group that needs the OAL adjusted back to where it was. This is very significant, considering I have a 24" barrel, and a greater cross section of my 200gr bullet than a 200gr bullet out of a 300Rum.