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Normal Topic 22 LR to 22 Magnum (Read 2391 times)
tbird1960
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22 LR to 22 Magnum
Mar 26th, 2018 at 10:27pm
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What kind of accuracy can you expect by rechambering a 22 LR to a 22 Magnum?
  
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Chuckster
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Re: 22 LR to 22 Magnum
Reply #1 - Mar 26th, 2018 at 11:30pm
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.22 LR has about a .222" groove dia. .22 Mag. has a groove diameter of about .224" to keep people from re-chambering weak actions.
Reamer won't fit and would expect accuracy to be poor if done.
Chuck
« Last Edit: Mar 26th, 2018 at 11:50pm by Chuckster »  
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MI-shooter
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Re: 22 LR to 22 Magnum
Reply #2 - Mar 28th, 2018 at 7:17pm
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One of the most accurate 22 mag rifles I had was a T/C Contender 22 LR Match barrel rechambered to 22 mag. Work was done by Mike Bellm. 

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JLouis
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Re: 22 LR to 22 Magnum
Reply #3 - Mar 28th, 2018 at 8:20pm
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Not sure if the OP might want at sometime be able to use it in competition and if so it might not be allowed per the various match rules.

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bpjack
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Re: 22 LR to 22 Magnum
Reply #4 - Mar 29th, 2018 at 11:01pm
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Last Sunday I picked up a small frame BSA Martini from one of the members here at the Oregon Arms collectors show.  It had been rechambered from to 22 mag.  I took it to the range today is some less that ideal wind conditions and it shot well in my opinion.  The group on the red target had 5 shots in under an inch.  Shot 6 in the group and the two lined out were the result of sight adjustments as I ran out of elevation ability.  The wind threw the two upper left flyers in the second target as I was in a hurry to get home.  The circled group is 1".   The rifle will eventually sport a 6x Unertl small game scope with correct height blocks.  Groups at 50 yds with std 22 mag ammo.  

Jack
  
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