Is my hammer/sear negative or positive? - Pistolsmith
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Old 04-03-2018, 07:44 PM   #1
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Join Date: Apr 2014
Location: Orlando, FL
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Is my hammer/sear negative or positive?

This is a picture of my RIA 1911 after 3 years and about 3000 rounds.

Is my read of the engagement that there is no secondary angle and the primary is slightly negative and as such is now unsafe?





Full Size: https://ibb.co/h4TCrc

Last edited by frgood; 04-03-2018 at 07:46 PM.
 
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Old 04-04-2018, 04:13 PM   #2
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Join Date: Jun 2001
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Looks bad.

It can be corrected with a sear jig and fine stone.
 
Old 04-05-2018, 07:24 AM   #3
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I'm hoping that is the case. To ensure the correct angle, I am concerned about taking off too much material, shortening the sear.

I will go back to some books to ensure the sear length remains in spec.


Thanks for the input.
 
 
Old 05-25-2018, 05:13 AM   #4
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it's hard to tell from that pic

a much closer, shot, at more of a 90 degree angle would help us see. A 3 sided file, then a 3 sided stone will restore the hammer hooks ONCE. If the angle was good from the start (doubtful) and 3000 rds (no dryfiring) did THAT, then your hammer and sear are too soft, and should be replaced.
 
Old 07-02-2018, 08:53 PM   #5
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Quote:
Originally Posted by hereby View Post
a much closer, shot, at more of a 90 degree angle would help us see. A 3 sided file, then a 3 sided stone will restore the hammer hooks ONCE. If the angle was good from the start (doubtful) and 3000 rds (no dryfiring) did THAT, then your hammer and sear are too soft, and should be replaced.
It is an RIA GI. I have since replaced the hammer and sear with an EGW Lightened hammer, added am ambi safety, and fitted a new grip safety. I'll post xseom pics when it comes back from Ford Custom Service.
 
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