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    The guys that did the super accurate 416 HE did...

    The guys that did the super accurate 416 HE did another
    416 HE that has an 8" longer 42 inch K&P barrel..

    Used a Stiller action and same load with 475 gr bullet, as in
    first gun and and gained...
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    And have got a 460 HSM figured out, and the...

    And have got a 460 HSM figured out, and the impetus for that is some
    asking about one and the great line of 458 bullets CEB now has.
    It will hold more powder than the 416 HSM.....Ed..
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    More about our 416 HSM from BMG brass, and our...

    More about our 416 HSM from BMG brass, and
    our 416 HE & 460 HE from our 585 HE cases
    Got reamers for 375 HE, 416 HE and 416 HSM,....

    460 HE & 460 HSM are all spec'd, got HE reamer
    soon...
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    Got guys doing various 416 HEs.. One just ...

    Got guys doing various 416 HEs..

    One just built a 416 HE, just been testing it a few days..

    And using 168gr of HBMG 475 gr CEB, tested it, in good

    conditions, 2 shots at 1800 yards...
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    20mm Vulcan is a big case that works ok, without...

    20mm Vulcan is a big case that works ok, without having

    the sides made too thick...They have thinner sides

    than smaller cases guys are getting that have the sides

    made too thick and...
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    HERE is a video, 585 Hubel Express and water jugs...

    HERE is a video, 585 Hubel Express and water jugs - slow motion

    750 gr with 155gr RE17, just a moderate load.....Ed


    YouTube
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    ..... It is possible rig up holders for...

    .....


    It is possible rig up holders for many types setups.,

    About shellholder supply for big cases,

    RCBS and others make slip in holders for shotgun cases

    that can work or reworked...
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    We use cards and wads in both plastic and brass...

    We use cards and wads in both plastic and brass 12 ga

    where needed, No airspace ever, For 4759 powder start at 75gr

    no less for slugs up to 750gr, For RE17 start at 105gr, no less,

    for slugs...
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    Bob Snapp, 90, the great Gun Craftsman, of ...

    Bob Snapp, 90, the great Gun Craftsman, of

    Clare, Michigan, passed away Jan 28th....

    He was an esteemed member of the

    American Custom Gunmakers Guild,

    Being its president in 1992..He...
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    Here is picture of our 416HSM cases with screw in...

    Here is picture of our 416HSM cases with screw in shellholders,

    for Ammomaster, etc, and slip in shellholders for regular presses

    Also have some for big LEE Classic and Smart Reloader...
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    For plastic cases we use shotgun sizer and roll...

    For plastic cases we use shotgun sizer and roll crimp.

    We use roll crimpers in drill press wit a clamp to hold case.

    NEF SB2 ULTRA already has the heaviest barrel the action can fit, it

    is...
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    In 416 HSM got a 415 gr long target bullet 3800,...

    In 416 HSM got a 415 gr long target bullet 3800,

    with plain barrel, no brake, on intermediate action,

    Now my 416 HE gets same 415gr bullet to 3300.Ed
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    Here is video of early water barrel test of the ...

    Here is video of early water barrel test of the

    12ga From Hell, from years ago.

    Grandpa's First Shot - YouTube


    Here is picture from that video..

    http://www.gunownerstv.com/Shot%203.jpg
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    Here is picture of the bolt from the experimental...

    Here is picture of the bolt from the experimental action,

    with our 416 HSM case in it. Note the amount of the

    base size of locking lugs, the amount of area on the bolt..

    ...
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    Experimental intermediate size action with the...

    Experimental intermediate size action with the Montana PH, for comparison.

    It is an experimental action for our 416 HSM, to do our speed testing with

    and get a better action than Cheytac size...
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    About 416 cal bullets............ The heaviest...

    About 416 cal bullets............

    The heaviest 550 gr for Extreme ELR probably be best 8 to 1 twist , in 416 caliber bullet,
    and 520 gr 9.5 to 1, and 470gr 10 to one, Some barrels I picked up...
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    Here is sectioned 585 HE case in the middle, we...

    Here is sectioned 585 HE case in the middle, we first made from

    another case, years ago before we had factory run of brass and

    it had perfect thickness on the sides and inside corrner.
    ...
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    Here is picture of thick 375 case sent to me,...

    Here is picture of thick 375 case sent to me, with thick sided trex case, and our HE case,
    The thick 375 case is .050" bigger OD base, but inside is no bigger than HE cases..
    These thick sided...
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    Guy sent thick sided 375 case, next size base ...

    Guy sent thick sided 375 case, next size base diameter up from Nyati.He said,
    'Yes I ran them in a ___________ rifle built by ____, the best I
    could get was 44000 psi, any more and they were...
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    What we found works good is 3.5" plastic and...

    What we found works good is 3.5" plastic and brass cases, RE17
    powder, 600gr slug use 105gr in plastic, 130gr in turned brass,

    Here is a drawing depicting the layout of thick and thin sided...
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    For big long cases our testing is showing that...

    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...
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    We get an ATF exemption, sporting exemptions for...

    We get an ATF exemption, sporting exemptions for our cases.

    Here in picture of the cases, are shown the steps in making

    our 416 HSM case, from BMG brass,, Ed
    ...
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    Here is recap simple setup to get faster loads...

    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...
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    A 585 HE ...shot with moderate heavy load.........

    A 585 HE ...shot with moderate heavy load......

    https://scontent.cdninstagram.com/t50.2886-16/20404363_470558053312276_3772630570509533184_n.mp4


    Here is a 375 HE target gun set up, by...
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    Here is case measurements for our 416 HE target...

    Here is case measurements for our 416 HE target case
    made from our 585 HE big belted case. Ed

    http://www.gunownerstv.com/416heprint.jpg


    Here is picture of 375 HE left, 416 HE next, 416 HSM...
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