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  #1  
Old 01-23-2022, 05:41 PM
mwf203 mwf203 is offline
 
Join Date: Jan 2020
Location: North Dakota
Posts: 145
Default 1903 rear sight collar transverse pin

What type of pins are people using for these? Installing a criterion barrel and had a collar but no transverse pin. Looked around at my usual sights but can't find any.
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  #2  
Old 01-23-2022, 06:31 PM
ceresco ceresco is offline
 
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As tight as the Criterion fits, you probably won't need one. You can run a drill through the hole and then cut the back off the drill for a pin. Good Shooting. ..
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  #3  
Old 01-23-2022, 07:21 PM
John Beard John Beard is offline
 
Join Date: Oct 2009
Location: Sweet Home Alabama
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Nails make good pins. If you find one slightly oversize, then you can chuck the nail up in your drill and, using a file, turn it down to size.

Good Luck!

J.B.
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  #4  
Old 01-23-2022, 09:29 PM
jmanngun jmanngun is offline
 
Join Date: Jun 2020
Location: Sweet Home Alabama
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Quote:
Originally Posted by John Beard View Post
Nails make good pins. If you find one slightly oversize, then you can chuck the nail up in your drill and, using a file, turn it down to size.

Good Luck!

J.B.
Great advice! JB!
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  #5  
Old 01-24-2022, 10:17 AM
navyrifleman navyrifleman is offline
 
Join Date: Oct 2009
Posts: 1,407
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When the purpose of a pin is simply to anchor a part in place, find a slightly over size nail. You don't need to grind the whole thing down in an exactly round shape. In fact, if you make it a bit "square", it can be more easily driven in to the round hole.

This is how old time builders were able to attach timbers - by driving a "square peg in a round hole".

Of course a pin used as a moving part such as a sear, trigger, or cut off pin needs to be a perfect close fit and very smooth. Old drill bits ground down to proper length work well.

Last edited by navyrifleman; 01-24-2022 at 10:23 AM.
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