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New, with a ?

 
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  #1  
Old 02-26-2003, 01:07 PM
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New, with a ?

I'm new to this forum, and I'm interested in getting some input on anyone that's using single-shot specialty pistols for long-range coyote hunting. Any ideas on bullet performance? I'm attempting shots to 1000 yds.
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  #2  
Old 02-26-2003, 01:54 PM
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Re: New, with a ?

I don't use single shot handguns but the info is applicable. Big issue is reduced muzzle vel. No matter what cartridge you use, the vel from a 15" barrel is going to be a lot less then a 24". Most on this board go much longer.

This vel loss reduces impact vel and bullet performance. You definitely need to stick to very fragile varmint or match bullets.

In 6mm, I would look at the 87gr Vmax, or 90gr Ballistic Tip out of a 243AI - you need all the vel you can get. The new 243 WSSM may be pretty good due to increased effective barrel length.

In 6.5, consider the 95gr Vmax and 105gr MK and similar weight BT. The 6.5-284 or 6.5X55AI are probably your best bets.

The 308 Win may not be that bad for this project as its larger bore means less vel loss per inch of barrel. 125gr Vmax or BT may be your best bet in this cal.

I have stayed away from the normal VLD type bullets because I think the low vel will cause some headaches with elevation adjustment. Also, these heavier bullets will increase recoil dramatically.

The Vmax bullets are very accurate and have a high BC for their bullet weight. Getting them to 3000fps will allow for adequate performance out to 1000yds.

I think a muzzle brake would be in order.

Jerry
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  #3  
Old 02-26-2003, 02:09 PM
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Re: New, with a ?

sscoyote,

Welcome to the LRH forum. A 125gr Speer TNT works well, but I doubt it would all the way to 1000 yards.

What pistol/cartridge are you using?
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  #4  
Old 02-26-2003, 03:01 PM
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Re: New, with a ?

Welcome ss,enjoy your stay
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  #5  
Old 02-26-2003, 03:02 PM
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Re: New, with a ?

sscoyote

do not have the article anymore, but there was a guy named Bowden (?) that specialized in converting stock contenders into LR pistols out in Utah or Nevada. He rechambered in the 6.5/7mm and 30 cals and would shoot out to 500 sub .5 MOA. He changed the front foreend to a flat BR type and flattened the rear grip to make it easy to shoot BR style off a custom rest.

Look at the 6.5 JDJ from SSK and 6.5 Bullberry. One problem you are going to have to overcome, is that LR (1000yd) shooting normally requires heavy bullets in fast twist barrels which are faster than normal. That means custom barrels! Several choices SSK, Bullberry and Virgin Valley for contenders or encores.

Go for it, but you are really pushing the envelope with either fast lighter bullets or slower heavier bullets either way.

Good Luck

BH
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  #6  
Old 02-26-2003, 04:11 PM
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Re: New, with a ?

I have shot my 7-08 out to 500 yards in a custom XP100. You may want to look at the 6.5 BR with a 107g SMK or a 6.5-284 in a XP 100. I would go with a fast twist to stabilize the heavy bullets. You should be able to get around 2900 to 3000 fps out of the 6.5-284 case with 107g bullets. I would have a custom pistol built on a bolt action with a good heavy barrel 1.250 with no taper at 15 to 16 in long with a brake. I would have a custom BR stock with a 3in wide forearm and add some weight to the stock so you can use a rifle scope. I use a 12 power Leupold on one of my long range pistols you could go with a 24 or a 8.5x25 LRT. You may want to contact SSK and see what they would suggest.SSK phone 740-264-2257 http://www.sskindustries.com/
Crow Mag

[ 02-26-2003: Message edited by: crow mag ]
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  #7  
Old 02-26-2003, 04:34 PM
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Re: New, with a ?

I just ran some trajectory calculations on a 6.5-284 with a 107g SMK and the 140g AMAX the. The 107g at 2900 Fps you will need 36 MOA of come up and have 1152 Fps I don't think that will do you will be better off with the 140g AMAX at 2500 Fps you need 34.5 MOA at 1k and have 1370 Fps left at 1k. Hope this helps.
Crow Mag
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