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12ga,10ga,8ga,4ga FH;585HE/700HE, other Big Bores--

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Unread 12-27-2011, 07:28 PM
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Posts: 315
Re: 12ga,10ga,8ga,4ga FH;585HE/700HE, other Big Bores--

Here is picture of 4 long cases, top being a Rocky Mtn Cartridge
3.5" turned brass 20ga. Next a RMC 3.5" turned brass 12ga.
3rd down our 3.85" 12ga FH we made from BMG brass. Bottom
a RMC 3.85" turned brass 12ga FH case.

Next picture shows one of the old ways they locked slugs
into paper cases. Many old slugs had a wide deep groove
which made it possible to crimp that way.

Next pictures shows bullet jackets made from a copper tubing caps.
Caps are the ones they solder on to copper pipes, and they made
a die and punch to form them to a good nose shape and
size. Then they fill them from rear with lead.
Example; 1/2" cap does 700cal and 12ga with
right dies and punches.

Last the 2nd gun we put the 585HE long belted case in,
a Ruger 77 bolt action. it has a heavy 585 cal barrel,
and it is a real strong action....Ed

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  •   #30  
    Unread 01-05-2012, 09:24 PM
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    Join Date: Sep 2006
    Posts: 315
    Re: 12ga,10ga,8ga,4ga FH;585HE/700HE, other Big Bores--

    Here are couple more pictures of longer bullets
    in sabots, loaded in plastic cases, with the
    roll crimp down against the sabot. Both are
    ideas tested by European Cartridge in Greece,
    who make the US-S slugs. Both longer bullets
    pictured have the locked on base that their
    other US-S slugs have, for smooth bore accuracy.
    2nd picture shows a deep hollow roll crimper
    for doing slugs like these.Ed

    We also had RMC make us a long brass 28ga case.
    It is 3.25" long as shown in picture. They could be
    3" or whatever you would want. The 550 Mag rifled barrels
    are perfect bore for them, and we did one
    in a Mossy 695 bolt gun, 2nd picture...Added heavy barrel.
    It is shown next to a 505 Gibbs brass
    case 1st picture to show that it isn't a puny case.
    And chamber still fires plastic 28ga like the
    new Brenekke slugs just out.Ed

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    Unread 01-11-2012, 01:39 AM
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    Join Date: Sep 2006
    Posts: 315
    Re: 12ga,10ga,8ga,4ga FH;585HE/700HE, other Big Bores--

    First picture is an RC4 brand slug I see is available
    down under. It has locked base like Brenekke.
    And locked on without discarding petals, like US-S.

    And 2nd picture is a group fired with RC4 slugs
    by fellow on NitroExpress forums from a good
    double 12ga, 2 left and 2 rights at 25yds.
    This shows the possibilities of working with smoothbores,
    rather than not trying to make them work.

    3rd picture is a discarding sabot base slug, and with
    four discarding sabot carriers, with centered
    penetrating solid bullet, from France.Ed

    In earlier thread I mentioned the long brass 28ga case
    we setup. Well here is picture of a revolving 28ga
    we will try to get later on and put in heavy barrel
    and longer chamber and use brass 28ga cases.Ed

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    Unread 01-18-2012, 04:44 AM
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    Join Date: Sep 2006
    Posts: 315
    Re: 12ga,10ga,8ga,4ga FH;585HE/700HE, other Big Bores--

    Some more slug and sabot ideas folks are doing.

    First is a long pointed slug with locked on base,
    It goes to target with base,can work smoothbore.

    Second is picture of Hexolit sabot base slug
    with petals expanded, sure would make bad wound.

    Third shows a variety of Gualandi slugs you can
    get for reloading, and we're finding that these
    locked base slugs, Brenekke/USS style slugs, are
    giving good accuracy in smooth barrels which can
    save when doing heavy barrels.Weights shown in
    grams, get our weights in grains multiply by 15.4..Ed

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    Unread 01-20-2012, 04:25 AM
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    Join Date: Sep 2006
    Posts: 315
    Re: 12ga,10ga,8ga,4ga FH;585HE/700HE, other Big Bores--

    Here are some more sabot/slug and loading concepts.

    First is Alcan 2.75" paper case with Dixie 600gr slug,
    with the side of the case crimped into the relief/lube
    groove of the Dixie slug.The groove in the Dixie isn't
    quite as deep as the groove in the Fosbury slug shown
    in earlier post, but still seems to crimp fairly tight.

    Next are various slugs in 12ga REM sabots that take
    57 cal slugs and bullets.Those sabots are from the REM
    Accutip loadings. In picture you can see one of the
    REM 385gr jkt bullets they use. Also is sabot
    with 20ga cast Lyman. On right sabot with hardcast 585 cal
    640gr lead bullet, the ones I use in my 585HE wildcat
    case. I sized it down a little, perfect fit.
    Also the .575 cal Dixie Gunworks lead slugs will do.

    Also shown is a long pointed 55 Boys bullet in one,
    fairly tight fit.We cut back .3" of bullet off so it
    fit for length in sabot and is 750gr.

    Third are 3.5" brass and plastic with the REM sabot and
    the 750gr pointed slugs in them.In all the sabot work we
    and others have done, trying to get accuracy and high
    speeds together, maybe there is such a thing as too
    much plastic. IE, sabots too thick on the sides if doing
    50cal or smaller in 12ga sabots, for heavier slugs
    at high speeds. Thinner sides may discard more evenly at
    the greater pressures and violence of high speeds.
    Thin sides may have less give so that sabot grips slug
    better to impart spin in rifled use. Example in
    smoothbore use is the USS slugs, where the brass slug
    is .629" with thin discarding petals that have proven to
    be very accurate. And with both reasonable priced sabot
    offerings the last few years being undersize, accuracy
    problems, etc, maybe time to try something else.

    Got to find whole bunch of these sabots. Are these pictured
    12ga REMs the only 58cal ones around? I can't find others,
    and maybe we can find where these are made. As I have
    huge numbers of the 585 slugs, which by the way I think
    is best hunting combination, without extremely heavy slugs
    which suffer for the speeds needed for longer range use.
    It is hard lead, good for big game.And my guy can make many,
    many more if needed whether for 585HE rifles
    or in sabots if we can find some.ED

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    Unread 01-26-2012, 12:44 AM
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    Join Date: Sep 2006
    Posts: 315
    Re: 12ga,10ga,8ga,4ga FH;585HE/700HE, other Big Bores--

    Some more sabot and slug ideas, discarding types
    and locked on base types.

    First picture of 20ga Buckhamer pulled apart. The bunch
    I have were pulled apart, the slug won't lock back in
    tight, into the base.

    Second is various 20ga sabot/slug ideas some using
    buckhammer sabot bases that a bunch of 458 cal lead
    slugs and jackted slugs I have, lock into real tight.
    The 458 lead ones are 400gr, jkt are 350gr.

    And I got some empty SPW 20 gauge sabots, and 20ga
    Buckhammer slugs lock into them real tight.I have
    many of these slugs. These slugs are 440gr.

    Also is 3" 20ga FED factory sabot shell and one of
    discarding sabots out of the case. Also a 3.5" 20ga
    Hastings 3.5" load with black locked on base sabot,
    and sabots out of the case and couple 20 brass
    3.5" RMC cases.

    Next is variety of 12ga sabots with 50cal slugs
    in them.2 white and the pink sabot are FED, The black
    is Hornady, With a 50cal long bullet .
    The grey, is a BPI with .504" cast 440gr slug.
    I wish the BPI was full size like the others
    and fit rifled barrels tight for accuracy.........

    Last 12ga SPWs from Slug-R-US(30 cents ea) with various
    50 cal slugs locked in tight, and shown with one out of
    a factory load, the dark colored one. 50cal 385gr
    Great Plains ML slugs lock in perfect for a lighter
    loading. Other ML slugs will do and a few of
    the Dixie Gunworks 50cal slugs lock in also...Ed

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    Unread 02-04-2012, 12:45 AM
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    Join Date: Sep 2006
    Posts: 315
    Re: 12ga,10ga,8ga,4ga FH;585HE/700HE, other Big Bores--

    Some more slug setups and ideas.

    First is USS brand sabot that European cartridge has, without
    locked base, a discarding 12ga sabot, with .629" brass slug.
    It is as accurate in rifled barrel as its locked on base
    counterpart, in smooth barrels. Up to 750 gr brass slug
    I tested. 3 shots in an inch, 30yds.
    Shown with BPI powder cup seals.

    2nd is the USS slugs with locked on base for comparison.
    With corresponding length cases they were designed for.

    3rd are heavy solid tungsten slugs, the smaller .580" cal and
    1200gr, the bigger ones .660" cal and 2200 gr.
    A guy in Southern MI made a few for me to check out. Now these
    too hard to fire fullbore, damage rifling, must be in plastic.
    These are just what the super heavy slug guys might like.

    4th is a 1000gr 58cal tungsten slug in a 12ga REM style
    58cal sabot. Notice how short it is for being super heavy.

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