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Thread: IMR3031 in 7.62X39

  1. 11-18-2013, 07:56 PM #1
    PDshooter
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    IMR3031 in 7.62X39

    Anybody got some loading data on Lee cast bullet using IMR3031?
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  2. 11-18-2013, 08:59 PM #2
    Ole
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    I don't think you'll be able to get enough 3031 into a case to get in trouble pressure wise.

    I have gone up to 20 grains of both H4198 and Reloader7 with the Lee 155 grain cast and neither were hot loads. Both ran right around 1950-2000fps.

    Since 3031 is a slower powder than either of those, you should be OK starting there or maybe a couple grains less if you want to be extra safe.

    It might work out to be a nice combo!
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  3. 11-20-2013, 07:49 PM #3
    jonk
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    I tried it. Lots of unburnt powder. Enough that some spilled into the chamber and could have caused a slamfire due to preventing proper chambering. Would be fine for a bolt gun or single feeding (slow bolt closure) in a Yugo with the gas turned off.

    Accuracy was, meh. Not great, not horrible. Did much better with 4198 and 2400.
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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