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P320 Broken Trigger Bar

This is a discussion on P320 Broken Trigger Bar within the P250 & P320 Modular Pistols forums, part of the SIG Sauer Pistols category; Looks like it's 2017 builds ... ****...


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P250 & P320 Modular Pistols P250, P320, and Exchange kits

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Old 04-14-2017, 06:59 PM   #31
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Looks like it's 2017 builds ... ****
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Old 04-15-2017, 08:00 AM   #32
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Originally Posted by polymernt911 View Post
Looks like it's 2017 builds ... ****
Dammit I have a Jan 2017 build....500 rounds so far, a mix of everything
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Old 04-16-2017, 06:51 PM   #33
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Dammit I have a Jan 2017 build....500 rounds so far, a mix of everything
Yep mine is a feb-2017 build. Hopefully it won't break
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Old 04-18-2017, 02:55 AM   #34
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Yep mine is a feb-2017 build. Hopefully it won't break

I pulled it apart after 500 rounds and inspected after seeing this, nothing looked wrong...
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Old 04-18-2017, 04:25 AM   #35
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This screams "MIM Parts Suck" failure... just a slight weakness in the processing and it can easily cause a high stress area under heavy cycling.
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Old 04-18-2017, 10:54 AM   #36
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If it's not a slide, frame, barrel, spring, pin, screw, grip, polymer part or stamped part, it's MIM...
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Old 04-18-2017, 11:05 AM   #37
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I'm pretty sure the trigger bar is stamped, and not MIM. Looks stamped to me. If it is stamped I'm thinking maybe a die that was at the end of it's life, and created a weak point?

This seems like a very low failure rate, and a very easy replace. I empathize if it happened to you, but I'm not sure it's worthy of much concern.

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