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Thread: Whatizit

  1. 12-20-2008, 10:56 AM #1
    Doug Bowser
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    Whatizit

    I have inherited 2 8 pound bottles of surplus powder.

    1. Thunderbird Ctg CO.
    PO Box 302
    Pheonix, AZ

    Powder #1870

    2. River Valley Ordnance
    Harvester, MO

    Powder RVO-57

    I have no reloading data
    Doug Bowser
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  2. 12-20-2008, 05:11 PM #2
    Slowpoke
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    RVO-57 is 50BMG powder in 1992 8 lbs was $26

    RVO- 62 is 20mm powder
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  3. 12-20-2008, 08:05 PM #3
    Doug Bowser
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    Quote Originally Posted by Slowpoke View Post
    RVO-57 is 50BMG powder in 1992 8 lbs was $26

    RVO- 62 is 20mm powder

    Is there any reliable data for these powders available?
    Doug Bowser
    Shooter of anything that has a trigger and shoots lead
    NRA Range Technical Team Advisor
    NRA Instructor in pistol, rifle shotgun and Personal Protection
    NRA-USAS National Coach Development Staff
    NRA-USAS Level 2 International Pistol Coach
    President Mississippi NRA Association
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  4. 12-21-2008, 10:25 AM #4
    Maven
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    Doug, I used to use RVO-62 in my .30-06 and 8mm Mau. In essence it is WC 860: It weighed/measured the same as 860 and chronographed the same, but it may vary a bit more (burning rate, density) than cannister powders do. In either the '06 or 8 x 57mm, I used 48grs. with a LR mag. primer and CB's of 170grs. or greater. There should be loading data for WC 860 on Castpics (bottom of screen) and our archives.
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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