Will Kane Posted April 22, 2021 Posted April 22, 2021 The left firing pin nut on my trusty 1878 came loose and I'm trying to figure out the proper size nut driver to get in order to secure it. The parts manual I found online does not specify. Can anyone educate me? Please and thank you.
Garrison Joe, SASS #60708 Posted April 22, 2021 Posted April 22, 2021 Chinese, huh. Chinese firing pin retainer nut is tapered, so I find a "slit" nut driver socket fits better than most. I took a 9/32" nut driver socket, ground down the outside to get it into the boss around the nut, and with a hacksaw sliced down about halfway into the socket, putting the cut on the nut opposing "corners." This gives me a socket that better fits the tapered nut, and is self adjusting. In metric, an 8 mm socket, IIRC. Has worked for me for 15 years now. good luck, GJ
Warden Callaway Posted April 22, 2021 Posted April 22, 2021 9/32 turned down on outside worked for me.
Will Kane Posted April 22, 2021 Author Posted April 22, 2021 Many thanks, GJ and WC. I couldn’t ask for more authoritative replies. Much obliged.
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