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Normal Topic .22 L.R. Pope chamber C'bore (Read 4160 times)
.22-5-40
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.22 L.R. Pope chamber C'bore
Jan 28th, 2011 at 1:57pm
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Hello, I am going to have to get a camera!  I was looking over the Pope barreled B.S.A., and was checking out breech area.  I noticed the c'bore for ctg. rim is about .030" wider per side than head of case.  Now these martini actions can't be un-cocked like a hammer gun, must pull trigger while closing block.  & this one has very light pull.  I was wondering if Pope put this extra clearance in there for a reason...perhaps to prevent pin from hitting chamber edge if accidently dry-fired?  What do other Pope rimfire chamber c'bore's  look like?  Thank you.
  
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frnkeore
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Re: .22 L.R. Pope chamber C'bore
Reply #1 - Jan 28th, 2011 at 2:31pm
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Normally, that won't keep the pin off the rim c'bore. Usually you have to put a divit in that part of the chamber to keep that from happening. Most firing pins protude more than the thickness of the 22rf rim.

Frank
  
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Quarter_Bore
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Re: .22 L.R. Pope chamber C'bore
Reply #2 - Jan 28th, 2011 at 4:36pm
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Many old rimfires were made that way. I know Pope's and other originals had the same thing. I have a factory Stevens barrel. It's the same way. It's just how they did it.
  
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MartiniBelgian
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Re: .22 L.R. Pope chamber C'bore
Reply #3 - Jan 29th, 2011 at 3:20am
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Maybe in those days tolerances were quite a bit bigger in cartridge manufacturing...
  
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screwloosetc
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Re: .22 L.R. Pope chamber C'bore
Reply #4 - Jan 29th, 2011 at 1:50pm
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My 13/15 and MKll martinis both have the divit for dryfiring at 12:00. 
there is no extra clearance around the rim.
Tom
  
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.22-5-40
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Re: .22 L.R. Pope chamber C'bore
Reply #5 - Jan 30th, 2011 at 3:06pm
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Thanks guy's for helpful reply's, and thank you Quarter bore for informing me Pope did this on others..That is a very big help!  As for that divot..I have seen these and had always thought some kid had got hold of it & used it for play!  Thats what I like about these forums..I always learn something new.
  
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