slight negative proper angle sear to hammer 1911

frgood · 04-03-2018, 07:44 PM

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

dfariswheel · 04-04-2018, 04:13 PM

Looks bad.

It can be corrected with a sear jig and fine stone.

frgood · 04-05-2018, 07:24 AM

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.

hereby · 05-25-2018, 05:13 AM

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.

frgood · 07-02-2018, 08:53 PM

Quote:

Originally Posted by hereby

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.

04-03-2018, 07:44 PM	#1
frgood Junior Member Join Date: Apr 2014 Location: Orlando, FL Posts: 4	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.

05-25-2018, 05:13 AM	#4
hereby Junior Member Join Date: May 2018 Posts: 13	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.

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04-04-2018, 04:13 PM	#2
dfariswheel Senior Member Join Date: Jun 2001 Posts: 1,800	Looks bad. It can be corrected with a sear jig and fine stone.

04-05-2018, 07:24 AM	#3
frgood Junior Member Join Date: Apr 2014 Location: Orlando, FL Posts: 4	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.