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  #1  
Old 06-17-2018, 08:22 AM
tomjerry1 tomjerry1 is offline
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Drill frame

I want to replace the sear and trigger in my PT 1911, I have found that the sear pin is of a smaller diameter than the hole in the sear? Are there sears with different diameters? if so, where can I get a sear with a smaller diameter? How hard would it be to drill the existing hole to the correct size? The hole/pin size is approximately .105", and the sear is .109.
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Old 06-17-2018, 09:17 AM
yeti yeti is online now
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Check it with a micrometer. Nominal size for the sear pin hole is .110 -.002

IF the frame is really off... consider having the frame reamed (#35 or check Brownells) to spec.
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Old 06-17-2018, 09:20 AM
Pedro 1 Pedro 1 is offline
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I hope this helps;
https://redirect.viglink.com/?format...1-A1_REDUX.pdf
Page 29 Sear Pin .110 -.002
Page 53 Sear (hole) .111 +.002
Pedro.
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  #4  
Old 06-17-2018, 09:30 AM
Pedro 1 Pedro 1 is offline
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Quote:
Originally Posted by yeti View Post
Check it with a micrometer. Nominal size for the sear pin hole is .110 -.002

IF the frame is really off... consider having the frame reamed (#35 or check Brownells) to spec.
Sorry yeti, I was typing when you posted.
I'm going back and checking myself.
Pedro.
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Old 06-18-2018, 01:01 AM
yeti yeti is online now
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Hi Pedro, Great reference links always welcome.
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Old 06-18-2018, 08:53 AM
tomjerry1 tomjerry1 is offline
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Thank you for the drawings, great reference.
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  #7  
Old 08-23-2018, 09:57 AM
hd073079 hd073079 is offline
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When I replaced the sear in my Taurus I went with EGW, fitted without a problem.
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