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Reloading Techniques For Reloading


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More 338LM Issues.

 
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  #36  
Old 04-05-2012, 08:28 AM
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Re: More 338LM Issues.

Well, I am glad to hear you found it. I wish I would have asked about this earlier as I have seen this before. But it didnt sound like this was the issue to me. Anyway for what its worth, on a 700 rem the front trigger guard screw will do the same thing as well.

The good things about issues like this is, it forces us to look closer at things and when it is over many things have been learned. I look forward to hearing your further results with your rifle.

Jeff
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  #37  
Old 04-05-2012, 09:09 AM
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Re: More 338LM Issues.

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Originally Posted by Broz View Post
I look forward to hearing your further results with your rifle.

Jeff
I will definitely keep You posted on My progress with load development, Thanks again for all Your help Jeff.
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  #38  
Old 04-05-2012, 09:14 AM
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Re: More 338LM Issues.

I just prepped and primed 30 cases for some testing, I'm going to start with 85gr of H1000 and go up in .5 gr increments with a COAL of 3.681. I'm a little confused as to min-max loads since everything I read is different as far as what My Lyman manual, Hodgdon site, and what Berger told Me. They are all different.
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  #39  
Old 04-05-2012, 09:27 AM
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Re: More 338LM Issues.

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Originally Posted by Leyerly338 View Post
I just prepped and primed 30 cases for some testing, I'm going to start with 85gr of H1000 and go up in .5 gr increments with a COAL of 3.681. I'm a little confused as to min-max loads since everything I read is different as far as what My Lyman manual, Hodgdon site, and what Berger told Me. They are all different.
The big thing these days is power lots. They vary up to 4 gr in a 338 LM with a 300 bullet. So I think your plan is good. 85gr is on the low end, but will be safe. Then as you get towards 89 gr start to watch closely. I have seen ejector marks show up as early as 90. But most 338 lms with 300's get to 91 and some to 92.5 like mine. Any load with a 300 gr bullet at 93 gr was hot in every 338 LM I have worked with. So you can see how a powder lot 3 to 4 gr hotter will be so important and rifle / powder lot specific while developing loads.

All my data is from Lapua head stamp brass. I doubt any other headstamp will get to these levels before pressure shows up with ejector pin shadows.

Jeff
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