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Thread: Propellant -SR 7970

  1. #1
    Boolit Grand Master
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    Propellant -SR 7970

    Rainy day here and just lookin' at gun/reloading stuff. Propellant -SR 7970. I was unable to find anything on the search function nor google, but I'm sure it's been covered before, and I can't find it; I noticed 5.0 gr of "SR 7970" as the government load for 45 ACP hardball. So, is there an equivalent powder? Is SR 7970 available?

    My present "Just in Case" 45 Auto load is 5.0 Bullseye under a 230 FMJ...
    My Anchor is holding fast!

  2. #2
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    That's the currently loaded propellant for Military 45 Ammo, from what I can see; No data on powder speed etc., I wouldn't use it in anything but 5 Gr. for 45 ACP loadings, and one might be a little unsure of quality on powder of unknown source / heritage, be careful.

  3. #3
    Boolit Grand Master
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    This thread is mostly out of curiosity, but if any info or powder is available, that might change (I've been reloading a lot of 45 ACP lately for my 3 guns in 45 ACP). I've searched vendors and for data and even some castboolits threads from 2006, nuttin' other than SR 7970 is used in "Cartridge, caliber .45, Ball, M1911"...
    My Anchor is holding fast!

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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