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338 lapua MV

 
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  #15  
Old 11-04-2011, 05:01 PM
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Re: 338 lapua MV

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Originally Posted by bman73 View Post
Because that was the starting load I had decided on after doing a lot of reading on what was working in other peoples guns rather than just a number I pulled out of thin air. I did use 92 grains but dropped it down to 91 because I was getting craterd primers and 91 was more accurate and consistant anyways. My question was whether or not that stated velocity seemed right or not, and judging by what others have posted on here it isn't right which is what I had wanted to know.
Not to be rude, but your "starting" load is max book in two of the manuals I looked into!!! Now, I am the LAST person on the earth to be preaching about max book issues, as I exceed them regualary. BUT......I start well below max and work my way up. More than once, with both custom and factory guns, have I reached the end BEFORE the book did.

Just food for thought.

Good luck....I am still waithing for my "FREE" bullets.....I won a pile of stuf at the last 1000 yard shoot.....among them , 300 Berger Bullets!!! I decided to get the new 300 grainers.

Last edited by 4xforfun; 11-04-2011 at 05:11 PM.
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  #16  
Old 11-05-2011, 11:13 AM
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Re: 338 lapua MV

Honestly guys if you feel the need to work up to a max load shouldn't you be shooting a larger cartridge and exceeding your velocity expectations with modest loads. Express 91 grains as safe and 92 grains as unacceptable in a percentage of reduction and that very small difference is non existant The difference between any cartridges velocities from mid range to over the border is laughable. There are only two types of velocity addicts: Those with a Brain and those without
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  #17  
Old 11-05-2011, 09:00 PM
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Re: 338 lapua MV

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Originally Posted by ken snyder View Post
Honestly guys if you feel the need to work up to a max load shouldn't you be shooting a larger cartridge and exceeding your velocity expectations with modest loads. Express 91 grains as safe and 92 grains as unacceptable in a percentage of reduction and that very small difference is non existant The difference between any cartridges velocities from mid range to over the border is laughable. There are only two types of velocity addicts: Those with a Brain and those without
Well, obviously you are not an accuracy addict....probably not even a reloader. If you were you would know that that "very small difference" might be the difference in a 50% reduction in group size. NO ONE HERE is sugjesting shooting loads that are "over the border". Not that I have read, anyway.

And another thing.....who said 91 gr was "safe"...Shure's hell wasn't me....There is a reason the reloading manuals have a STARTING load. "Safe" in your gun is ONLY safe in your gun...I don't give a krap what the manuals say is "safe".....It may be several grains below the listed "max" book, it may be several grains above!! I honestly believe that every reloader should find out what the end is with every gun that they load for. It helps you become more sensitive and accurate in finding the "tells" of high PSI.... every gun is a little different....makes you a better loader. Also, if you don't know the max of your gun and you happen to take it out when it is warmer than you tested, you could be asking for trouble....from ruined brass to sticky extraction to stuck bolt. If you knew that you were close to the edge to start with you just might head off trouble.....Just sayin!!

You best be excercising your brain before you post!!!

Last edited by 4xforfun; 11-05-2011 at 09:10 PM.
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  #18  
Old 11-05-2011, 11:33 PM
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Re: 338 lapua MV

A little bit might make a 50 percent difference in accuracy? I sure am glad I wasn't drinking a glass of milk when I read that. The 338 LM has a very large sweet spot it is not measured in a few feet per second it is measured in hundreds of feet per second. If a little bit can actually make a difference then something major has gone dreadfully wrong. Everybody get out a tape measure and measure a small difference but dont tell me how much smaller that little bit of difference is, tell me how much is left that it didnt make a difference to. I have no qualms with people getting a large enough cartridge that the velocity will make a difference. Learn the basics of shooting and reloading and quit announcing to the world that you have diaper rash
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  #19  
Old 11-06-2011, 01:11 PM
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Re: 338 lapua MV

Quote:
Originally Posted by ken snyder View Post
A little bit might make a 50 percent difference in accuracy? I sure am glad I wasn't drinking a glass of milk when I read that. The 338 LM has a very large sweet spot it is not measured in a few feet per second it is measured in hundreds of feet per second. If a little bit can actually make a difference then something major has gone dreadfully wrong. Everybody get out a tape measure and measure a small difference but dont tell me how much smaller that little bit of difference is, tell me how much is left that it didnt make a difference to. I have no qualms with people getting a large enough cartridge that the velocity will make a difference. Learn the basics of shooting and reloading and quit announcing to the world that you have diaper rash
So baisicly, you are going to lecture me about everything reloading, especialy accuracy?

Good one.
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  #20  
Old 11-06-2011, 02:25 PM
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Re: 338 lapua MV

Quote:
Originally Posted by ken snyder View Post
A little bit might make a 50 percent difference in accuracy? I sure am glad I wasn't drinking a glass of milk when I read that. The 338 LM has a very large sweet spot it is not measured in a few feet per second it is measured in hundreds of feet per second. If a little bit can actually make a difference then something major has gone dreadfully wrong. Everybody get out a tape measure and measure a small difference but dont tell me how much smaller that little bit of difference is, tell me how much is left that it didnt make a difference to. I have no qualms with people getting a large enough cartridge that the velocity will make a difference. Learn the basics of shooting and reloading and quit announcing to the world that you have diaper rash
50% of 1" is only half an inch and I had easily that much of an improvement dropping down to 91 grains from 92. I went even further down to 90 and 89 (well actually I shot the lower charges first, I'm not suicidal or retarded) and my groups opened up considerably. I changed nothing other than powder charge, same coal,same primer, same shooter. As this is a brand new gun I can assure you that nothing has "gone dreadfully wrong". To say that changing grain charge in small amounts makes no difference is flying in the face of most every reloader on here. If it makes no difference why are scales set up to measure within 1/10th of a grain? I appreciate the fact that you posted on this thread in an attempt to help but in this case I have to disagree with your statement.

Last edited by bman73; 11-06-2011 at 02:28 PM.
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  #21  
Old 11-06-2011, 02:33 PM
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Re: 338 lapua MV

Me too...especialy the "diaper rash" thing. I looked in four different manuals for the term "diaper rash".....couldn't find it anywhere. Is it a technical term, or one made up by yourself? I am just wondering what it is and how I got it! Is that what I had or used on myself, my gun , or my realoding components during a few of the competitions I shot in this year?? Cuz it seemed to do OK!!
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