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possum1
04-13-2010, 04:44 PM
I would work between the 39.0 and 40.0 charge, .3gr at a time, then fine tune the seating depth.
mrhaka
04-13-2010, 09:03 PM
I would work between the 39.0 and 40.0 charge, .3gr at a time, then fine tune the seating depth.Ok, I'll give it a try. Maybe this weekend I can get out again.
MH
possum1
04-14-2010, 02:26 AM
That's my biggest problem, I get out too much, step out the basement door and shoot. Can't afford to keep myself in powder and bullets. I shoot so much the tree's keep falling.
mrhaka
04-15-2010, 05:45 PM
That's my biggest problem, I get out too much, step out the basement door and shoot. Can't afford to keep myself in powder and bullets. I shoot so much the tree's keep falling.You must live in a nice loacation. If I step out of my basement and shoot, I'll be looking out from behind bars.
MH
JimH341
04-15-2010, 08:19 PM
As others have replied, the 70 bullet could be a bit light for a 9.25 twist barrel. And of course, just a single 5-shot group doesn't tell a complete story. Keep experimenting! My own experience with a Model 12 .243 with a 9.25 twist is that it has trouble handling the lighter boat tail bullets. Sierra makes an 85 gr. Game King boat tail that just won't shoot right in my gun. Waaaay too touchy. But the Sierra 85 gr. flat based varminter is an excellent shooter...in my rifle. Berger 80 gr. and 88 gr. also shoot quite well with H4350.
mrhaka
04-15-2010, 11:17 PM
the 70 bullet could be a bit light for a 9.25 twist barrelThe ballistics technician at Sierra told me my gun should stabalize everything between 55 and 100gr bullets. I have some 95gr MatchKing's arriving tomorrow. I'm going to try them out this weekend against the 70gr MatchKings, along with some "55"gr Hornady V-MAX rounds, to see which I can group better. Also, I'm gonna go out to 200 yds to see there. Half the fun is trying to produce the right load for my gun.
MrHak
mrhaka
04-16-2010, 11:45 PM
My own experience with a Model 12 .243 with a 9.25 twist is that it has trouble handling the lighter boat tail bullets.
I just purchased some Sierra 95gr MatchKing bullets, and am looking for some load data. Does anybody have data for Varget powder?,
Thanks, MH
trappst
04-16-2010, 11:54 PM
Hodgdon website shows a starting load of 33.0g and a max of 35.0g

data is for the 95g Nosler partition