Quote:
Originally Posted by Smgs1992
Yeah i started looking up the Sig ammo and it’s pretty well liked. I’ve always carried the tried and true Gold Dots, HST and Hornady. But i wont feel like i have underperforming ammo with this.
So i went to the range and put 100rds through my new Sig M18 and the first few mags i had failure to lock back. After that though it started functioning flawlessly. Any ideas why though? Just a break in period for a new gun? I was shooting 115gr so i also considered it couldve been light ammo but like i said it started working fine after a couple mags.
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Typically fail to lock back is operator error.. Riding the release by accident.
I suppose it could be a breaking if it stopped failing. I'd take a look at the internals now and polish the contact parts to make it run smoother.
Could also be a weak spring, but doubt that's it.
Magazine follower getting jammed and not pushing up lever.. Don't think it would be this, but it could happen.
Ammo as well.