After five months and 400rds of ball ammo, 300rds of HST 124grn ammo, I can finally say with confidence my CM9 run 100% will all ammo and mags.
As a quick reminder, at first I was getting premature slide lock every 3rd round, all mags, all types of ammo.
I adjusted followers and mags lips and finally got it 50% working (ball only), then I started on the slide lock spring.
I moved it, tuned it, bent it and Red and Blue Loctited the set screw it in-place, to varying degrees of improvement.
Finally, got the correct bend in the tip of spring (10d more of a tilt down), the part that sits in the groove in the slide lock.
Friday was the big test. I ran 200rds of mixed ball and HST at max speed with very fast reloads. I used all 10 mags, 6-six round mags, 3-seven round, 1-eight round and all ran fine with multiple reloads. (eight round still has a broken follower, but still ran great)
I am proud to say I did it myself and only gave up on it three times!
Now I've got to get some more HST for my stash.
As a quick reminder, at first I was getting premature slide lock every 3rd round, all mags, all types of ammo.
I adjusted followers and mags lips and finally got it 50% working (ball only), then I started on the slide lock spring.
I moved it, tuned it, bent it and Red and Blue Loctited the set screw it in-place, to varying degrees of improvement.
Finally, got the correct bend in the tip of spring (10d more of a tilt down), the part that sits in the groove in the slide lock.
Friday was the big test. I ran 200rds of mixed ball and HST at max speed with very fast reloads. I used all 10 mags, 6-six round mags, 3-seven round, 1-eight round and all ran fine with multiple reloads. (eight round still has a broken follower, but still ran great)
I am proud to say I did it myself and only gave up on it three times!
Now I've got to get some more HST for my stash.
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