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Sig MPX and Timney AR-15 competition Trigger Issue


DocMedic

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I just wanted to give my report running my Sig MPX with Timney AR-15 Competition Trigger. I was able to fire 2,000+ Rounds without issue until this past month. Several outings I had to occasional bump fire, yesterday I had failure during practice were then gun went full auto on me for 6 shots. I attempted to repeat the issue again after but I was not able to replicate the issue. I didn't keep a super accurate account of rounds down range but I would guess I'm close to 2300+ rounds as of yesterday. There have been reports that the Timney's are taking a beating in PCC guns and they'll eventually "let go"

Right now I've switched out the a Geissele trigger as they have stated they will work in PCC guns.

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I have the same trigger in my MPX now but plan on switching it out. Public service announcement from Timney here along with recommendations to use the new two-stage on the MPX.

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  • 2 weeks later...

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