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Thread: NM Blackhawk rear sight blade replacement?

  1. #1
    Boolit Master
    Join Date
    Mar 2013
    Location
    NE Nebraska
    Posts
    323

    NM Blackhawk rear sight blade replacement?

    Is ther any reason I can't replaxce it myself? Read somewhere that a Gunsmith should, does it require fitting? Thanks, hc18flyer

  2. #2
    Boolit Mold
    Join Date
    Apr 2016
    Location
    New Hampshire
    Posts
    12
    I have replaced both the blade and the whole rear sight assembly. Not hard at all. Both are available from Midway or Brownells.

  3. #3
    Boolit Master contender1's Avatar
    Join Date
    Sep 2011
    Location
    Lake Lure NC
    Posts
    938
    The rear blade replacement isn't hard. There is a spring,,, behind the blade, that when you replace it with a new blade, you have to compress,, IF,,, your replacement blade has the little tit detent that has to slide into the tiny slot at the top of the base. Brownells used to sell a tool just to allow easy replacement for the older models like this. If yours has the slot & tit, then a slim jewelers screwdriver can work in a pinch. You have to compress the spring to allow the tip of the replacement blade to get into the center of the spring, all while getting it to slip into the slot.
    If you have a later model blade, w/o the tiny slot, or tit, then it's actually pretty straight forward. Unscrew the adjustment screw & remove. Remove the rear blade out the side. Make sure the spring stays in the hole. Insert the new blade, and add the screw. Simple.

  4. #4
    Boolit Master
    Join Date
    Mar 2013
    Location
    NE Nebraska
    Posts
    323
    Thanks, got-her-did last weekend. Frustrating getting everything lined up and back together. Tom

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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