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Thread: prowley computer for reloaders

  1. #1
    Boolit Buddy
    Join Date
    May 2022
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    100

    prowley computer for reloaders

    I recently found my old prowley computer for handloaders. Is it still aplicable for reloading today? Most of the powders it mentions are no longer being made.

  2. #2
    Boolit Buddy
    Join Date
    May 2022
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    I got that old computer from a course in gunsmithing from North American correspondence course back in the 1980s

  3. #3
    Boolit Master

    Electrod47's Avatar
    Join Date
    Apr 2016
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    Mississippi
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    Still have mine. Its basically a curio now. FYI Mine's a Powley PSI Calculator. Made by Homer Powley
    Mine's dated 1965 and looks like it was purchased yesterday. It came with a load sheet for various calibers using common IMR powders. With Hutton Rifle Ranch Product listed as publisher.
    Guns and Ammo gave it a prominent article look back in 2018.
    Last edited by Electrod47; 06-02-2022 at 03:03 PM.
    “You should tell someone what you know. There should be a history, so that men can learn from it.

    He smiled. “Men do not learn from history. Each generation believes itself brighter than the last, each believes it can survive the mistakes of the older ones. Each discovers each old thing and they throw up their hands and say ‘See! Look what I have found! Look upon what I know!’ And each believes it is something new.

    Louis L’Amour

    The Californios

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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