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Thread: M1911-AI FS slide lock

  1. #11
    Join Date
    7th May 2021
    Posts
    7
    Posts liked by others
    2
    for Q1: I'm getting 1.3105" - the picture helped, too.

    I also tried to measure the slide stops where they ought to match up with that measurement:
    old: 1.2940"
    new: 1.2815"

    I have it field stripped for cleaning and should be able to check the feeding trough diagram as best I can soon here.

    Also got the files, but will take it slow here and try not to [imagine some saying other than "jump the gun" here].

    Last couple of trips totaled 100 rds. Got a few fail to locks and one very nearly returned to battery, all still relatively happy for me. I'll skip the pic of < 1/8" brass peaking out unless someone really wants to see it.

  2. #12
    Join Date
    25th September 2006
    Location
    South of Lake Superior
    Posts
    14,042
    Posts liked by others
    112
    Hmmm-m-m-m. Well all three of those dimensions are within spec. So - - - -

    • You can eliminate weak magazine springs as the cause of the failure to lock the slide open after the last round by: removing the follower and spring from the magazine giving the most problems; placing two loaded rounds in the bottom the magazine tube; putting the spring and follower back in; shooting it.

    • There should not be any lubricant in or on the magazine.

    I'm still a bit mystified about how the aft end of the slide stop can contact that part of the magazine. Only thing that comes to mind is the magazine well is too far forward, but how to find out may take a little more thought.

    It may be a few days till you hear from me as I'm having cataract surgery in the morning.
    When you can measure what you are speaking about, and express it in numbers, you know something about it; but when you cannot measure it, when you cannot express it in numbers, your knowledge is of a meagre and unsatisfactory kind. [Lord Kelvin]

  3. #13
    Join Date
    7th April 2008
    Location
    Colorado
    Posts
    457
    Posts liked by others
    8
    Good thoughts headed your way Niemi for a quick and complete recovery!

    LHS

  4. #14
    Join Date
    7th May 2021
    Posts
    7
    Posts liked by others
    2
    agreed, best wishes. I hope this finds you recovering well. My next trip is this weekend at the earliest so I'm in no rush. I'll give this latest trick a try and report back on my feeding trough results. I'll post method since I made something up and need to refresh my trigonometry knowledge first.

    In a weird way, I'm enjoying this troubleshooting and learning opportunity much more than if I ended up with a pistol that boringly went bang for thousands of rounds.

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