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Reloading Techniques For Reloading


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New to the forum, 6.5-284 question

 
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  #8  
Old 09-05-2012, 09:30 PM
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Re: New to the forum, 6.5-284 question

Ok I have some new info and would like to know what you guys think. I thought maybe it was a headspace issue so i placed a piece of masking tape on the back of a new Lapua case, bolt closes just fine. I then placed another piece of tape, bolt closes fine. Placed one more piece of tape and the bolt will not close.

I also tried this with some once fired, and resized brass. Neither will close with any tape on the back of the case at all. Does this mean I have some out of spec brass?

I sized a 284 Win case that I found in our range brass bucket and tried the tape thing with that too. Bolt will not close with tape on back of case. Any suggestions would be great.


Thanks
Justin
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  #9  
Old 09-05-2012, 10:05 PM
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Re: New to the forum, 6.5-284 question

How thick is your masking tape?

Did you remove the ejector and/or extractor?

Have you considered purchasing some tools to measure your cases before and after firing rather than relying on squishy old masking tape?

Have you done any load development with fire-formed brass?

Did you full length or neck size the fire formed brass?

Did that produce the same pressure signs as the virgin brass with low doses of powder?

-- richard
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  #10  
Old 09-05-2012, 10:18 PM
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Re: New to the forum, 6.5-284 question

Sorry I meant to put that in my last post. Masking tape measured .005 I know I need to purchase a comparator and such but I'm kind of on a budget. I have not done any loads with fire formed brass. Is this where I'm having trouble? I did not remove ejector or extractor when I was doing the tape test. I full length resized the once fired brass.

Thanks
Justin
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  #11  
Old 09-06-2012, 12:39 PM
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Re: New to the forum, 6.5-284 question

Quote:
Originally Posted by 1shot1yote View Post
Sorry I meant to put that in my last post. Masking tape measured .005 I know I need to purchase a comparator and such but I'm kind of on a budget. I have not done any loads with fire formed brass. Is this where I'm having trouble? I did not remove ejector or extractor when I was doing the tape test. I full length resized the once fired brass.

Thanks
Justin
3 layers of .005" thick masking tape seems like a bit much.

But, it compresses and is distorted by the plunger, etc. So, it's pretty unreliable.

Do you have any idea how far back you bumped the shoulder on the resized brass?

-- richard
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  #12  
Old 09-06-2012, 02:16 PM
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Re: New to the forum, 6.5-284 question

You did not say what distance you are shooting or what twist rate your barrel is. Is this a new or used rifle?

How many rounds down the tube?

Are you sure you have a good chamber OAL? Have you tried pushing it more towards the lands?
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  #13  
Old 09-06-2012, 06:37 PM
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Re: New to the forum, 6.5-284 question

My 111LRH shoots about 2825fps with a 140 nosler, 51g H4831sc,and a CCI Br2 primer at 3.080 Pressure signs start at 51.5g of H4831sc.

RL 17 is faster.

Something sounds fishy with your rifle.
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  #14  
Old 09-06-2012, 08:34 PM
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Re: New to the forum, 6.5-284 question

rscott- I do not know how far I bumped the shoulder back.

FUBAR- The rifle is brand new Savage 111 LRH 1-8 twist, I was shooting at 100yds. I have shot it probably about 80 times. I've tried the bullets right out near the lands and the accuracy was no better.

I'm going to do a couple groups with resized brass this weekend and see how they shoot and if there are any pressure signs with standard loads. I read somewhere that if new brass were undersize that it might mimic signs of over pressure.

Thanks
Justin
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