Mossberg 44US (b) bolt

Discussion in 'Technical Questions & Information' started by GottaLoveRuger, Dec 12, 2011.

  1. GottaLoveRuger

    GottaLoveRuger New Member

    Joined:
    Dec 10, 2011
    Messages:
    6
    I have a Mossberg 44US(b) and a 44US(c). I plan on keeping the (b). I shot it yesterday and it was having problems ejecting. Noticed today that the left extractor is broken on the (b) rifle. According to home.epix.net/~damguy, both the (b) and the (c) used the R-427 bolt assembly. Any technical reason why I can't swap bolts? The extractors are peened in, so replacing the extractor is out of the question.
  2. StoneChimney

    StoneChimney New Member

    Joined:
    Nov 27, 2010
    Messages:
    1,086
    Replacing the extractor is certainly doable. To answer your specific question, you should be OK swapping the bolts, but I advise to check the headspace. Would be surprised if there was a problem, but still.
  3. GottaLoveRuger

    GottaLoveRuger New Member

    Joined:
    Dec 10, 2011
    Messages:
    6
    Thanks, StoneChimney. I swapped bolts and tried them out. No indication of excess headspace and ignition seemed reliable.
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