#11
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you can reduce bullets to a smaller caliber but they will not be accurate as stated bond to core is broken even at .006 the spring back in gilding metal is what holds jacket to core when you go smaller jacket wants to move back towards original diameter and the core being basically dead does not move..its the basic swage up principle that makes bullets work unless they are bonded cores...
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#12
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Dave Corbin made a die for me to swage 20 cal 35 gr Bergers down to 19. He made the die for that specific bullet and the accuracy was no different(with my shooting)before or after reducing. Well pleased with his work.
Ken.
__________________
" Pay it forward buddy" Get up each morning and don’t let the old man in. (Clint Eastwood). |
#13
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thanks again
hi Lads
well i think this weekend ill have a go at making myself a draw die set , i have nothing to loss but bit of time, .204 less .172 is .032 so i figger ill try on one go and see if it works, i am worried about the spring back rates of the jacket and core. wish i could just get some heaver than 25 gr here in uk thnaks again for the in put |
#14
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And in the real world of accuracy shooting registered bench rest short and long distance ,f class I hate to say it but Corbin is not exactly the name known for extreme precision bullet dies. After being involved with b.r. shooting since 83 I can say I have only I know of ONE person that used there dies and he never was a real player in the game. I do know that all world records and national wins have come from either Rorshac, Detsch, niemi and myself. So take it for what its worth, I guess its all what you consider to be accurate......
Last edited by george ulrich; 09-12-2014 at 11:23 AM. Reason: spelling |
#15
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Hot core ?
hi George Ulrich
thanks for the info can see the spring back in jacket and core differ, as lead as a lot lower melting point than gilding metals annealing point , but it all sounding like a lot of work when i could just work up a new load with 25gr bullets . thanks luke Last edited by luke wady; 09-12-2014 at 04:01 PM. |
#16
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I hear you George Ulrich.
I did qualify accuracy by saying 'with my shooting'. That's usually minute of critter for me. Lol. Had I wanted BR accuracy I doubt I would have gone the route of changing the caliber of a bullet to get it. At the time Corbin's die was kinda insurance should the supply of 19 cal bullets dry up. Ken.
__________________
" Pay it forward buddy" Get up each morning and don’t let the old man in. (Clint Eastwood). |
#17
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or you could make your own bullets draw 20 jackets to 19...
Last edited by george ulrich; 09-12-2014 at 06:01 PM. Reason: edited |
#18
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Not enough money (Nor patience)to get into bullet making.
Ken.
__________________
" Pay it forward buddy" Get up each morning and don’t let the old man in. (Clint Eastwood). |
#19
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set up cost
Hi George
Could you please advise me on what would be needed if I was to start making my own bullets in .17 cal thanks luke |
#20
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Luke, The main problem with 17 cal is jackets you can draw as you know but 20 cal. are not much easier to get, but they are being made. Sooo draw dies, core cutter, core form die, core seat die, point up die and at least 2 presses. If you have access to mach. core cutter is simple enough to do. even draw dies are relatively easy. I'm not trying to stop you but it seems the 20's are kind of killing the 17's due to availability. hope info. helps I left out prices on purpose would prefer to p.m. for them....George
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