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Perazzi ribs breaking?

Discussion in 'Uncategorized Threads' started by hmb, Mar 13, 2007.

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  1. hmb

    hmb Well-Known Member

    Joined:
    Jan 29, 1998
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    9,207
    First it was the leaf springs in the trigger, then it was the new firing pins, now it is the ribs, is there a pattern developing. HMB
     
  2. GunDr

    GunDr Well-Known Member

    Joined:
    Jan 29, 1998
    Messages:
    2,904
    MX8-B

    HA!!, I did see a Mossberg rib come loose. I was keeping score, many, many years ago, and when I looked over at the shooter with the Mossberg getting ready to shoot, I saw the rib had slid forward about 12". The shooter never noticed it.

    Doug
     
  3. Don Rackley

    Don Rackley Well-Known Member Supporting Vendor

    Joined:
    Jan 14, 2007
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    1,172
    I had a 1998 vintage MX10 topsingle where the rib broke. The piece that broke off was the part just below the notch for the front sliding adjuster, similar to the description given by ray119 above.

    I don't know why Perazzi chose to leave a sharp corner in the cutout as most engineers know a corner is an area increased stress concentration. Yes my gun was ported, but I do not think that was a contributing factor. My gun also had an extra adjustment notch added by one of the barrelsmiths, making the metal a little thinner where it broke.

    I have noticed that on newer guns, the cutout is milled from the side and the notch now has a radius, much stronger.
     
  4. goose2

    goose2 Well-Known Member

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    Feb 20, 2007
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    What a $10,000.00 gun with a rib breaking problem. That makes my kids $245.00 spr 100 look better and better.
     
  5. bentbarrel

    bentbarrel TS Member

    Joined:
    Jan 29, 1998
    Messages:
    72
    Have seen several in the Colorado area, a couple of the guys got the pieces heli-arced back together, then machined, seemed to work out OK for them.
     
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