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Thread: Winchester 4570govt hi wall hammer extension

  1. #1
    Boolit Bub
    Join Date
    Aug 2013

    Winchester 4570govt hi wall hammer extension

    Is there a hammer extension for Winchester 4570govt hi wall? Just put a scope on it and afraid of my thumb slipping off the hammer

  2. #2
    Boolit Grand Master

    Join Date
    Mar 2013
    Northwest Ohio
    I believe Uncle Mikes and some others make a universal type hammer extension with a set screw that locks it on. moves the spur to the side of the hammer. One can be made also.
    I have machined the from 3/8" X 1/2" X 1" long cold rolled steel. a t slot for the spur on the bottom edge and end. I radiused the top to match the hammer spur and .010 deep grooves lengthwise to improve grip. bottom was angled from t slot to end leaving 1/8" thick at end of spur. and this end radiused. Cold blued and polished looked good, but did add weight to hammer slowing it.

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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