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Joined: Jul 2010
Posts: 46
Campfire Greenhorn
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OP
Campfire Greenhorn
Joined: Jul 2010
Posts: 46 |
Men - thank you in advance for any and all responses. I'm trying to find the perfect load for a Rem 700 25-06 with a 24" barrel using 100grn Barnes TTSX. I will be using H4350 powder for load development. My question is....Everything I've read says that they like to be seated deeper in the case/further away from the lands. But how much?? My initial loads were about 40 off and none really showed much promise. I started out at 47 grains and ran in half grain increments up to 51. After more reading I see now that I should've went up to 53 grains according to Mule Deer and many knowledgeable others. But the seating depth has me wondering....should I seat them even deeper? Thoughts?
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Joined: May 2021
Posts: 3,511
Campfire Tracker
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Campfire Tracker
Joined: May 2021
Posts: 3,511 |
I would look at the Barnes load data and start about 20 off and go deeper.
If you have enough magazine box to get up on the rifling I'd be looking at a more conventional lead/copper bullet and work up to pressure about 10 off then go deeper in 5 thousand increments.
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Joined: Apr 2011
Posts: 151,807 Likes: 19
Campfire Savant
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Campfire Savant
Joined: Apr 2011
Posts: 151,807 Likes: 19 |
Load to factory length, try them, see how they shoot.
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Joined: Feb 2003
Posts: 10,390 Likes: 4
Campfire Outfitter
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Campfire Outfitter
Joined: Feb 2003
Posts: 10,390 Likes: 4 |
I load 25-06, 6.5-06, 270, 280AI, 30-06, 7mmRM, 300WM, and 338 WM all to 3.34" OAL.
They fit in the magazine.
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. -Ernest Hemingway
The man who makes no mistakes does not usually make anything.-- Edward John Phelps
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Joined: Oct 2014
Posts: 871
Campfire Regular
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Campfire Regular
Joined: Oct 2014
Posts: 871 |
Look up seating depth with Berger VLD. I know it's not the same bullet, but their plan to figure out seating depth makes sense for bullets that might need to jump. You don't have to shoot as many as they say.... seating depth
We all know advertising works, we just don’t think it works on US!
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Joined: Jul 2010
Posts: 46
Campfire Greenhorn
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OP
Campfire Greenhorn
Joined: Jul 2010
Posts: 46 |
That was an interesting read on the Bergers, and I suppose could apply to the TTSX too. Thanks for the replies guys.
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Joined: Jan 2003
Posts: 10,959
Campfire Outfitter
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Campfire Outfitter
Joined: Jan 2003
Posts: 10,959 |
I have gone to developing via seating depth over powder charges. I simply pick a charge, load to three different depths in 0.04 increments.
POI varies noticeably between them but it has so far worked so that one of these loads yield a nice tight triangle. Oddly enough those triangles were very well centered on target. The other loads might be high and string.
If I want to tinker even further I will now take my starting load with the proven seating depth and try it with .5 grains more powder and .5 grain less.
In truth they are already grouping an inch or less- but ....i am a reloader.
When a country is well governed, poverty and a mean condition are something to be ashamed of. When a country is ill governed, riches and honors are something to be ashamed of
. Confucius
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