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  #15  
Old 12-23-2006, 04:24 PM
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Re: Groups

Tim, I machine my own sabots on a CNC lathe from PVC Type II.

The bullets are 0.308 150 grain AccuBonds While they aren't 300 grain SMKs, the BC is listed at 0.425 which means that they are still supersonic at 1,000 yards.
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  #16  
Old 12-23-2006, 04:53 PM
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Re: Groups

don't know anything about a bad bull ML but by the looks of your groups i'd say you might have bedding problems, or as someone else said, a scope or mounting issues.

can i ask why you use 2 different powders? doesn't make sense to me but i'd like to hear.

if you only want to shoot out to 300 that can be accomplished with a regular muzzleloader.i've shot some nice bucks at just a shade under 250 with 300 being my limit.

as far as i know i still have the world record typ whitetail with a ML,but i only shot that at 100 yds.
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  #17  
Old 12-23-2006, 05:57 PM
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Re: Groups

Double group = optics or bedding.
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  #18  
Old 12-23-2006, 06:25 PM
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Re: Groups

[ QUOTE ]
SNIP

can i ask why you use 2 different powders? doesn't make sense to me but i'd like to hear.

SNIP

[/ QUOTE ]

A problem with shooting smokeless powder is that it needs pressure. Since we shoot sabots we don't have the luxury of the pressure rise as the bullet is swagged into the bore.

The duplex powder gives the pressure rise needed. I have tried shooting straight H4198 and the muzzle flash is horrendous! Using a duplex load allows the use of relatively slow powders.

edge.
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  #19  
Old 12-23-2006, 06:36 PM
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Re: Groups

edge, very interesting, never realized guys were doing such extreme things with a front loader. Please do us all a favor and start a new post in the equipment review section.

Please post pic's of rifle, and your process for cnc of those sabots, include your experience with load development. I'm sure most here are very interested to learn more.

You may have a new buisness selling sabots!

Very cutting edge stuff, keep us posted.
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  #20  
Old 12-23-2006, 06:59 PM
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Re: Groups

why do you want to use relatively slow burning powders? i would think with a 50 cal bore one could use a fairly fast powder.would also help to raise the pressure a little quicker if that's what you want. is it because of the noise?
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  #21  
Old 12-23-2006, 11:20 PM
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Re: Groups

Edge

First let me say WOW 3100ft/sec.

Now let me tell you my experence with duplex loads TERRIBLE,
BAD, LOUSY etc.

First I would try one type of powder.

As far as sabots I found that much over 2000 ft/sec
they would skip the rifling and lose accuracy.

Remember when remington sold the excelerator .They
were very fast but nothing I owned would shoot well
with them.

Maby some of the other guys have had better luck than
me and can help you.

J E CUSTOM

PS Be very carefull with duplex loads because if they are
not compressed they can be extremly dangerous.
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