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Thread: H380 for the 9.3X62

  1. 08-20-2017, 06:01 PM #1
    Oklahoma Rebel
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    H380 for the 9.3X62

    does anyone use H380 for medium bore rifles such as the 35 whelen or the 9.3X62 or similar cartridges? Someone worked up a load for a cast boolit of 285grs in the 9.3 using imr4895 and H380, and at someones advice, I will likely get better accuracy with a slower powder than 4895, so I am thinking that the H380 loads will be ok, H380 is slower than r15,4064 and 4320 and win 748. I am looking to get to 2100fps and no more with this load. so if anyone uses H380 and can re-affirm that I picked an alright powder for my goals, or warn me if it isn't a good choice I would appreciate it! thanks a lot-Travis
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  2. 08-20-2017, 11:09 PM #2
    swheeler
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    Travis Barnes Manual #1 chose it as one of their powders for their 2 bullet weights in the 9.3x62.
    250 grain- H380 start 55.0=2407 fps, max 59.0=2582 fps
    286 grain-H380 start 53.0=2319 fps, max 56.0=2451 fps
    I would develop my loads with a magnum primer and watch for any delay in ignition, if so use some dacron, or another filler of your choosing.
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  3. 08-21-2017, 05:39 PM #3
    Oklahoma Rebel
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    thank you for your help, some one did a quickload in this powder for me (285gr boolit) and it had 52grs of 380-2110fps. so we are very close!, I was thinking of starting at 49grns to be safe and working up to 2100fps, which is as fast as I care to go, as long as accuracy is still good! thanks again-Travis
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  4. 08-22-2017, 02:50 PM #4
    Oklahoma Rebel
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    CORRECTION it was 55 grs of h380 for 2096fps to be exact, imr4895 was 52grs for 2110fps.
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  5. 08-22-2017, 04:47 PM #5
    swheeler
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    You're welcome Travis, keep us posted on your progress! Pictures, lots of pictures
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  6. 08-22-2017, 08:42 PM #6
    Oklahoma Rebel
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    lol, I think my phone was the first model that had a camera!!! im not sure if it will hook up to the computer. but when my sis is around, im sure she knows how. she is in to photography. ain't it sad that younger people and kids have to teach us how to use thes modern doo-dads that "we just can't live without!!!" lol
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  7. 08-23-2017, 03:07 AM #7
    Landy88
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    With a 285 at 2100, you are recreating the the grand old 9.3x57 in the dress of its slightly younger and bigger sister cartridge. It should be a great load.
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  8. 08-23-2017, 04:01 PM #8
    Oklahoma Rebel
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    yup, that should do all I need it to do, and if I ever go to Africa, I can use some woodleighs or swifts.
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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