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"Tweaking" a load - Printable Version

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RE: "Tweaking" a load - chaneylake - 06-21-2012

hear ya go Lumpy Grits, sorry for the bad picture quality

same load except .001 +/- neck tension
2 damp patches down the barrel between each shot

3.8 inch outside measurement

200 yards

[Image: 2012-06-21_16-35-34_626.jpg]


RE: "Tweaking" a load - Lumpy Grits - 06-21-2012

Your on the right track.Cool
Try next .001-.002 NT.
Have you annealed the cases yet? That should be your next step.
Try a "lite" full lenght sizing also.
LG



RE: "Tweaking" a load - chaneylake - 06-21-2012

by "lite" do you mean probably 1/4, 1/2, 3/4 of the case?

I only have 1 expander, it measures .407, every bullet from the PJ mould that I measure is .408

yes, my brass is annealed


RE: "Tweaking" a load - Lumpy Grits - 06-21-2012

By "lite", I mean reduce the OD at the cases middle about .002-.003 at most.
Back off the FL die 5-6 full turns off the shell holder and go from there.
FWIW: I use to NS only in both my .45-70 and .45-90. Got talked into trying FL "lite" and have been doing that after the target said it helped.
If you want to try different expander dia. look at Buffallo Arms.
http://www.buffaloarms.com/.385_.449_custom_expanders_pr-4167.aspx
Gary



RE: "Tweaking" a load - chaneylake - 06-22-2012

LG, I did a "lite FL" with same load, 2 damp patches, group opened up 1 inch from yesterday, coulda been the finger but I was feeling good about each shot


RE: "Tweaking" a load - Lumpy Grits - 06-22-2012

WOWConfused sorry about that.Blush
How different was the weather today that when you fired that group you photo'od
In my .45's, Lite F/L sizing tightened things up.
Try varing the powder load up & down.
Gary


RE: "Tweaking" a load - chaneylake - 06-22-2012

Weather was basically the same, my thoughts also in powder change, Cheers


RE: "Tweaking" a load - chaneylake - 06-24-2012

LG, I did another 10 shot group today at 200 yds, 4.08 inches, I did just a hair more on the lite sizing, down another full turn, will probably go up 1.0 gr powder on next 10




RE: "Tweaking" a load - Lumpy Grits - 06-24-2012

Remember. Just do 1 change at a time.
Have you played with different primers?
Gary


RE: "Tweaking" a load - chaneylake - 06-24-2012

(06-24-2012, 04:47 PM)Lumpy Grits Wrote: Remember. Just do 1 change at a time.
Have you played with different primers?
Gary

Going to work with powder first before I make a primer change