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Well I had my little lady out today. It was snowing with the temp just below freezing. Due to a number of reasons tests were shot at 50 yards rather than 100 yards. Using IVI 174 gr FMJ Ball managed a group of four @1.26". Using 180 gr IVI Soft Point managed a group of four @ .969". All groups were 2" low using the sight set at the bottom of the stack. This gun has the "S" rear stock which will be replaced with a "L" next week. I have long arms.
As to the cases measuring first approx 3/8" in from the rim, then the shoulder then the neck at the center here are the measurements.
New: .446 .398 .336
Fired: ..454 .406 .344
Exp .008 .008 .008
I am in new in new territory here so what all this means in terms of relative chamber size etc is an area I look to those on the board with far more knowledge then I for comments.
I will changing out the front sight to get my gun shooting closer to POA at 100 yards when the sight is set at the bottom. For ranges closer than that I can use the battle sight.
I look forward in developing CB for the gun using my Lee produced boolits and hopefully a Lyman 314299 boolit.
Dave as soon as my dies arrive I will try your load for the Lee boolit.
Take Care
Bob
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Just a quick up date I replaced the front sight with one 60/1000 shorter. You sight the #4 rifle in at 25 yards with a six o'clock hold. Aiming point is a 1" x 1 1/2" Black rectangle. Gun was shooting 2" low. Each 15/1000 of less front site reduces aim point at 25 yards 1/2".
Weather turned cold again so I am going to have to wait a week before giving it another test. May have some horizontal changes to make. Still waiting for the longer stock. More next week. Still waiting for my order from Graf & Sons. A couple of things I ordered are on BO. Hopefully I will hear they are shipped next week.
Take Care
Bob
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THAT is pretty neat!! Having a brand new, 54 year old rifle to work with! Hope you get it shooting really sweet!:-D
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Quick update, I reported I replaced the front sight with a shorter one. Gun placed three shots center right on the 25 yrd 1"x11/2" black zone. To wet and slushy to walkout a 100 yd target. Which is on the money. May have to drift the front sight a bit but to early to tell.
If rain holds on snow should be gone by Tuesday and I'll test it out at 100 yds.
Graff have shipped my order so I am a little like a kid on the 24th of Dec. I want to get some 314299 boolits cast and loaded up. Local store is out of 2400 but has some 4227 so I am going with it at 16 gr under those 200 gr boolits. Should work OK.
Re-installed the S buttstock until I can get a L. The one I was going to swap with was the in between length. Better than I have but still a tad shorter than I want.
Take Care
Bob
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Sounds like Mother nature is working against you Bob. I have faith in you that you will get it running right along. You just need a little help with the weather. Good luck and good shooting.