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Calico m100 22lr

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  • Kyles
    Junior Member
    • Dec 2011
    • 8

    Calico m100 22lr

    Can anyone tell me why I'm getting 2-3 round burst on my calico m100?
    I've had this gun for 25 years, and it used to shoot flawlessly. Then my firing pin broke, so I replaced the following bolt parts: Firing Pin, Spring, Stop pin, Bolt handle Pin, Extractor, Extractor Spring and Recoil buffer (the new recoil buffer is much softer than the original). The only part I didn't change is the recoil spring, but it seems fine.
    When shooting the rifle will randomly fire 2-3 and sometimes 4 round burst at lightening fast speed, then misfeed or jam. It is quite scary. I keep the gun extremely clean and lightly oil the bolt.
    I'm using CCI 40 grain mini-mag solid points. Also use the CCI blazer 40 grain solids.
  • #2
    Donkeypunch0420
    Senior Member
    • Mar 2009
    • 1460

    Sear?

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    • #3
      compulsivegunbuyer
      Veteran Member
      • Feb 2007
      • 2595

      Is the firing pin to long? Put in an empty case and drop the bolt. If it's dinging the case, that may be your problem.

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