walking

  1. MLC

    Gunsmithing Ar trigger pin walking out.

    I guess that I will need a set of pins that are mechanically held in. The rifle is a Bushmaster lower with RRA trigger group. Will I need to ream the RRA parts to install the JP pins? Are the KNS significantly better?
    • MLC
    • Thread
    • pin trigger walking
    • Replies: 11
    • Forum: The Armory
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