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Thread: M1917 Adjustable Rear Sight

  1. #21
    Boolit Man gunboat57's Avatar
    Join Date
    Oct 2012
    Location
    NW Pennsylvania
    Posts
    96
    Below is a picture of my last homemade sight for my M1917, at least for a while. It is the ultimate in simplicity. An aluminum plate is fastened down using the existing threaded hole for the rear sight spring and a 6-40 machine screw. I bought an aperture base for a Williams 5D receiver sight off Ebay. So, I can adjust for windage using the Williams aperture base. I can raise the sight either by putting shims under the Williams aperture base or by raising the aluminum plate using the three set screws.
    Initial trip to the range indicates I need to move the aperture .040" right. A .032" shim will put me right on for my favorite cast boolit loads.
    If anyone wants to make their own sight based on my ideas, let me know and I'll post part drawings.
    Attached Thumbnails Attached Thumbnails WILLIAMS APER RS 1.jpg  
    We make a living by what we get, we make a life by what we give.
    W. Churchill

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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