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Thread: New Miroku 1886 Hammer Strut Orientation

  1. #1
    Boolit Mold
    Join Date
    Oct 2021

    New Miroku 1886 Hammer Strut Orientation

    Can anyone tell me if I have the mainspring installed correctly on my new rifle? There is a good video online I was following, but my lower tang screw (under the lever) retains the strut support with the hammer strut & coil spring in tension on the lower tang. It is not a wood screw as the video says. Mine went flying everywhere of course. No harm done but I did not see the hammer strut orientation in the explosion of small parts. Of course the video seems to show a different shaped strut, maybe because this is a newer gun or a deluxe model, IDK. I got the strut back under tension and installed, but the hammer is hard to pull back and very rough. The numerich parts diagram shows what looks like a mirror image of my hammer strut. Could someone tell me how its supposed to go?

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  2. #2
    Boolit Master

    Tar Heel's Avatar
    Join Date
    Sep 2010
    Raleigh NC
    Just the other day I watched a video on deactivating the rebound hammer function and while I am NOT sure, I think that is upside down and the hammer rebound is on the bottom. Take a gander at the deactivation videos and there is a thread on here as well with lots of images about that I saw about a month ago.
    Woe betide a nation in need of heroes.
    Bertolt Brecht

  3. #3
    Boolit Mold
    Join Date
    Oct 2021
    Yessir, I just came in from getting it all back together, it was upside-down. Thanks for your response. I will check out those videos.

  4. #4
    Boolit Master pietro's Avatar
    Join Date
    Mar 2008
    New England

    For others here, the shorter forward MS strut fork is the bottom/rebound fork; the upper/longer MS strut fork drives the hammer when firing.

    Experience is a wonderful thing - It lets you recognize a mistake, when you make it again.

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Abbreviations used in Reloading

BP Bronze Point IMR Improved Military Rifle PTD Pointed
BR Bench Rest M Magnum RN Round Nose
BT Boat Tail PL Power-Lokt SP Soft Point
C Compressed Charge PR Primer SPCL Soft Point "Core-Lokt"
HP Hollow Point PSPCL Pointed Soft Point "Core Lokt" C.O.L. Cartridge Overall Length
PSP Pointed Soft Point Spz Spitzer Point SBT Spitzer Boat Tail
LRN Lead Round Nose LWC Lead Wad Cutter LSWC Lead Semi Wad Cutter
GC Gas Check