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Very Hot Topic (More than 25 Replies) Alloy Hardness & Smaller Groups (Read 14858 times)
JLouis
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Alloy Hardness & Smaller Groups
Oct 15th, 2011 at 4:12pm
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I have been doing some serious testing of late with Alloys harder than what can be achieved with a straight lead and tin mixture and I was wondering if anyone else besides myself is finding that they get more consistent results in the way of smaller groups by using an alloy harder than 1-18 and up.

J.Louis
  

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MIKE-T
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Re: Alloy Hardness & Smaller Groups
Reply #1 - Oct 15th, 2011 at 7:45pm
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Tell us more Mr Louis! 
Mike
  
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Re: Alloy Hardness & Smaller Groups
Reply #2 - Oct 15th, 2011 at 9:07pm
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... finding that they get more consistent results in the way of smaller groups by using an alloy harder than 1-18 and up


45-70 @ 100yds:  25 shots - 14 in the ragged hole
Bhn 15.4 WW  plus 0.5% Sn

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Van
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Re: Alloy Hardness & Smaller Groups
Reply #3 - Oct 15th, 2011 at 9:42pm
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John,   I have noticed just lately that my  1-16 & 1-20 bullets than I have been shooting is WAY better that the 1-30 & 1-35 lead that I have been shooting for the last year.

Also been working with several different lubes.

Maybe it all comes down to having my right eye worked on, boy what a difference...
  
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Re: Alloy Hardness & Smaller Groups
Reply #4 - Oct 15th, 2011 at 10:07pm
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Quote:
Quote:
... finding that they get more consistent results in the way of smaller groups by using an alloy harder than 1-18 and up


45-70 @ 100yds:  25 shots - 14 in the ragged hole
Bhn 15.4 WW  plus 0.5% Sn

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Won't work John.  Center ring only goes to 10, it HAS to be 25.

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JLouis
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Re: Alloy Hardness & Smaller Groups
Reply #5 - Oct 15th, 2011 at 10:09pm
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Wow thank you for your response Van I am finding the same results as you are obtaining with the harder alloys as long as they don't lead.

Please keep us informed as you move forward and I will do the same as long as that small group of negative individuals who have a tendency to chime in can refrain from any derogatory or demeaning remarks based on the original positive post.

J.Louis
  

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Re: Alloy Hardness & Smaller Groups
Reply #6 - Oct 15th, 2011 at 10:15pm
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Several years ago i did a whole bunch of experimenting and found that 22-1 lead -tin mix gave the most consistent results when shooting several groups. 
I found you might get one target at times being a bit tighter but when shooting 100 or more shots over all 22-1 gave the best results......... but might have just been that one particular gun?????? my 2 cents worth
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ledball
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Re: Alloy Hardness & Smaller Groups
Reply #7 - Oct 15th, 2011 at 10:35pm
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Smaller groups will be shot with harder alloys as the price of tin goes higher.   ledball
  
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JLouis
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Re: Alloy Hardness & Smaller Groups
Reply #8 - Oct 15th, 2011 at 10:49pm
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Mike-T in the book Modern Reloading Second Edition by Richard Lee Chapter 10 he talks about Pressure Not Velocity Dictates Bullet Strength and How Much Chamber Pressure Is To Much. This article is what stimulated me to pursue using harder alloys and to date my results in pursing his recommendations have turned out to be very positive. I would highly recommend that one take the time to read this chapter with an open mind as it is definitely thinking out of the box and so far his extensive testing has been holding true for me.

J.Louis
  

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westerner
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Re: Alloy Hardness & Smaller Groups
Reply #9 - Oct 15th, 2011 at 10:59pm
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ledball wrote on Oct 15th, 2011 at 10:35pm:
Smaller groups will be shot with harder alloys as the price of tin goes higher.   ledball


Perfict!     Grin Grin Grin


John Louis.   

Some rifles will shoot only soft bullets, some will shoot medium hard bullets. Some will even shoot very hard bullets. 

We, usns, are dealing with many different rifles and variables.  Different rifling profiles . Different component combinations.  Some of us even have a new shooting eyeball. 

So, with all those variables I cant say yes or no to your question.   

I will say that I have two old wide land Douglas .32 barrels that prefer a different hardness as to bullet alloy.  Both barrels were made about the same time with the same dimensions and rifling profile.  I chambered one and Paul Shuttleworth chambered the other.  I used a straight sided 32/40 Pope style chamber made for breech seating, no throat at all.
Paul used a standard 32/40 reamer with a gentle taper lead in to the rifling.

My barrel requires harder bullets 20 -1 or harder. 

Pauls barrel requires 30-1 to get the best accuracy at 200 yards from the bench.  

Variables John, variables.   

Neither barrel will shoot wheel weight alloyed bullets accurately.  I didnt spend much time trying to make them work. A couple years effort. The frustration was to much for me so went back to lead and tin.

           Joe.   Smiley

« Last Edit: Oct 15th, 2011 at 11:07pm by westerner »  

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Re: Alloy Hardness & Smaller Groups
Reply #10 - Oct 15th, 2011 at 11:08pm
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JLouis wrote on Oct 15th, 2011 at 10:09pm:
Wow thank you for your response Van I am finding the same results as you are obtaining with the harder alloys as long as they don't lead.

Please keep us informed as you move forward and I will do the same as long as that small group of negative individuals who have a tendency to chime in can refrain from any derogatory or demeaning remarks based on the original positive post.

J.Louis

  

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JLouis
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Re: Alloy Hardness & Smaller Groups
Reply #11 - Oct 16th, 2011 at 2:26pm
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Van I am currently using a mix of 1 1/4lbs. Hardball and 1 3/4lbs. Pure Lead which should give me a BHN around 11 and so far I have had good results with it. The long term goal is to keep sneaking up on the hardness a little at a time to see where the accuracy starts dropping off or the leading begins. I have been purchasing my Hardball through (You need to Login or Register to view media files and links) for those who might like to give it a try. 

J.Louis
  

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Re: Alloy Hardness & Smaller Groups
Reply #12 - Oct 16th, 2011 at 3:05pm
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JLouis wrote on Oct 16th, 2011 at 2:26pm:
Van I am currently using a mix of 1 1/4lbs. Hardball and 1 3/4lbs. Pure Lead which should give me a BHN around 11 and so far I have had good results with it. The long term goal is to keep sneaking up on the hardness a little at a time to see where the accuracy starts dropping off or the leading begins. I have been purchasing my Hardball through (You need to Login or Register to view media files and links) for those who might like to give it a try. 

J.Louis


Glad to see you're still posting, John.   Did you find my post helpful? Did you understand the "variables" point I pointed out?

Did you read my post? 




          Joe.  Smiley
  

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JLouis
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Re: Alloy Hardness & Smaller Groups
Reply #13 - Oct 16th, 2011 at 3:54pm
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Joe I found your post very informative and I also found your mention of having two barrels that were basically identical with two different throating methods and one seemed to like harder alloys the other softer and it makes me wonder what the relationship might be if any? 

I have a full understanding of all the variables Joe that is why I get so much enjoyment out of my quest to try each of them one at a time in an effort to find those that tend provide better all around results not only for myself but the entire group. Harder alloys just happens to be the variable that I am currently working on and that is why I posted my request to those who just might happen to be doing the same as Van has stated. 

The variables between what I am shooting and Van is shooting could only be imagined yet there is one variable that we both  currently have in common and that is the harder alloys are providing us both with better results.

J.Louis
  

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Re: Alloy Hardness & Smaller Groups
Reply #14 - Oct 16th, 2011 at 4:54pm
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You might want to consider Vans statement about his new eyeball, may be the difference rather than the harder bullets. Wink


     Joe.  Smiley

  

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