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Foster fitting for AA MPR poplar?

Discussion in 'General Airgun Chat' started by BRPCP, Nov 2, 2015.

  1. BRPCP

    BRPCP New Member

    Oct 7, 2014
    Louisiana, USA
    I may be buying a used MPR with the poplar stock and the current reservoir is the screw on with the gauge on the end. I also own the MPR Ft and retrofitted the t-slot fitting to the foster. I would like to do the same with this one but the gauge is on the end and I don't know the threads.

    Any help is appreciated.


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