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Thread: 12GA FH Slug Tester --

  1. #721
    Boolit Mold
    Join Date
    Sep 2017
    I'm trying to get 3-5 12GFH cases 3" or longer but no one is returning emails, and RMC is 3 months out. Does anyone have a few they would cut loose and help a shooter out?
    Primitive weapon season is 1 month out!
    Thanks guys

  2. #722
    Slug Master
    Join Date
    Jul 2006
    My cases all gone,

    I just got some lead to sell, big bunch to sell, quit a few batches.

    will sell 40 lbs including delivery for $100..Ed
    Last edited by hubel458; 10-02-2017 at 12:51 AM.

  3. #723
    Slug Master
    Join Date
    Jul 2006
    A 585 HE ...shot with moderate heavy load......

    Here is a 375 HE target gun set up, by Asteroid Precision...

    Here is video of it being tested... And with a 350gr bullet about 3450-3475,

    bolt opened easily with one finger...And he's just getting started

    and is checking on better powder, Ed..

  4. #724
    Slug Master
    Join Date
    Jul 2006
    Here is recap simple setup to get faster loads with 12ga sabots

    & slugs, Example using break actions...., reaming chamber

    in a 12ga break action to 3.5" with a 3.5" 12ga reamer, that isn't

    something needing special order, and use 3.5" plastic cases , or

    get 3.5" brass cases made. With mag shotgun primers and

    our slower powder loads you can get a quarter more speed,

    which gives 50% more energy...

    585 Hubel Express video, 190ft/lbs recoil, heavy load, gun little light.....

    Another view of Asteroid Precision's.... 375 HE target gun,

    Here is our 416 HSM we are developing next to 416 Barrett, Ed

  5. #725
    Slug Master
    Join Date
    Jul 2006
    Here in picture of the cases, are shown the steps in making

    our 416 HSM case, from BMG brass,, Ed

    We might have a company that is doing a bolt gun with an action

    between BMG size and longer rifle actions used for 375 HE,

    375 Lethal, and Cheytacs.. To use for our 416 HSM without

    having to do extreme rebating of the rim.

    Here is picture of 620 416 hsm cases half done. Done on cnc ,

    that slimmed them down, cut new rim and extractor groove.

    There are over 500 more at cnc getting done now, plus we have

    1000s more bmg cases we make them from, when needed..

    This case is public domain and if anyone wants to make

    them we can give the steps involved...Ed.

  6. #726
    Boolit Master
    Join Date
    Apr 2017
    I've been reading a lot where you were testing different powders in both plastic shotgun cases and your own 12GA FH cases, and it is very interesting. You mention using RE 17 a lot, and of course SR 4759. I was also reading about some success with IMR 4227 in plastic hulls. Is there a reason you decided to go away from that powder?

  7. #727
    Slug Master
    Join Date
    Jul 2006
    4227 didn't always give good ignition if powder and case got cold.

    That is when we checked dozens of powders and found RE17..Ed

  8. #728
    Slug Master
    Join Date
    Jul 2006
    For big long cases our testing is showing that the 416 easier to get powders to work with, less problems ..
    Maybe building a target gun,don't have 375 barrel all ready, maybe go 416....

    We got cases, 416 HE and 416 HSM, as well as 375...
    CEB and others will have bullets...CEB will be doing .416 in 450gr, 475gr, 500gr, 525gr and 550gr

    Got sent 5 thick sided sample cases, same OD base as 585/375.416 cases, same belt, just .180" longer,
    did a 416 HE, chambered extra barrel , cases stick over 50k. They have about .042" total taper, .021" per
    side, when I necked couple to 416. That is a lot of taper , twice the taper of my 416HE...hanging up at 50k..

    I could maybe go to 65k with these if we made taper with ..012" - .016" more taper to each side, but that is
    no way to build target cases. I'd have to crunch down case shoulder diameter. And would look like 30-30.

    And crazy part is, the case has enough brass material to thin up sides and stretch them way out to 4 or
    more inches,, They weigh 150 gr more than our 585/375/416,, but with real thick sides they actually
    hold less than our 416 HE with thin sides, that is .180" shorter...Our case does 65k ok without sticking..

    And we can make super long 4" cases work if we had means to get them built, as we have
    15 powders slower than HBMG.Here is pic of thin and thick sided cases, sectioned for comparison.Ed..

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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