O-give Question - The HuntingPA.com Outdoor Community
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post #1 of 22 (permalink) Old 01-24-2017, 03:38 PM Thread Starter
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O-give Question

Reloading 243 Winchester Model 70. Lands to o-give measuring 2.350 using a Stony Point/Hornady gauge. Does any one have any experience with successful jump distance 20-30-50?
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post #2 of 22 (permalink) Old 01-24-2017, 04:16 PM
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can't help you with that particular rifle or caliber. I always just play with it starting at .010 off the lands
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post #3 of 22 (permalink) Old 01-24-2017, 05:21 PM Thread Starter
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What calibers has that worked with and what changes did you have to make typically?
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post #4 of 22 (permalink) Old 01-24-2017, 10:07 PM
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What bullets, Sierra seem to like jump, load some .010, .025 and .050 off and see what happens. Berger's seem to like jam or real close to the lands. If your not sure take the Sierra measurements and put some just touching and see me .010 jam. You'll soon figure it out
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post #5 of 22 (permalink) Old 01-28-2017, 05:18 AM
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B2H. Which brand and grain of bullet did you get your measurement with????? This has some to do with your COL.

WILLY P
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post #6 of 22 (permalink) Old 01-28-2017, 07:35 AM
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Quote:
Originally Posted by Born2Hunt View Post
Reloading 243 Winchester Model 70. Lands to o-give measuring 2.350 using a Stony Point/Hornady gauge. Does any one have any experience with successful jump distance 20-30-50?
Hey, this is interesting. Although I do not have any answer for you I would like to ask the following question.

Why are you concerned with this? Is it a question of accuracy, maybe an attempt to match the measurement of a published or desired number?

Love this reloading stuff, just trying to understand what is driving your basic question. Not trying to be a nudge......


Good night Chesty, wherever you are......
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post #7 of 22 (permalink) Old 01-28-2017, 08:01 AM
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Quote:
Originally Posted by jimsdad View Post

Why are you concerned with this? Is it a question of accuracy, maybe an attempt to match the measurement of a published or desired number?

Love this reloading stuff, just trying to understand what is driving your basic question. Not trying to be a nudge......


accuracy
but you have to work it up slow and watch for sign's of pressure.
get the book " The ABC'S of reloading" and do some reading so you can understand what to look for
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post #8 of 22 (permalink) Old 01-28-2017, 08:56 AM
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Originally Posted by Born2Hunt View Post
What calibers has that worked with and what changes did you have to make typically?
I have a 7mm WSM, a .223, and a 220 swift I currently reload for. The swift I haven't had enough time to figure out yet. My 7mm likes 140gr nosler BT seated about .010 off. As others stated I usually just load a bunch of different depths and see which one shoots best. In my experience 10-20 off seems optimal.
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post #9 of 22 (permalink) Old 01-28-2017, 09:01 AM
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Quote:
Originally Posted by jimsdad View Post
Hey, this is interesting. Although I do not have any answer for you I would like to ask the following question.

Why are you concerned with this? Is it a question of accuracy, maybe an attempt to match the measurement of a published or desired number?

Love this reloading stuff, just trying to understand what is driving your basic question. Not trying to be a nudge......

IMO bullet seating depth is one of the most critical factors in improving accuracy with hand loads. It allows you to make ammo customized for your particular rifle as opposed to factory ammo(or Saami specs published in reloading manuals) which is loaded to allow function(not always accuracy) in a wide variety of guns.
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post #10 of 22 (permalink) Old 01-28-2017, 09:58 AM Thread Starter
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B2H. Which brand and grain of bullet did you get your measurement with????? This has some to do with your COL.
The bullet for this rifle is a 100 gr. BTSP Hornady Interlock #2453. Currently working with different bullets for other calibers.
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