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20-250

 
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  #1  
Old 04-16-2009, 08:21 AM
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Location: Nebraska
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20-250

I am getting ready to start another project and thinking about a 20-250. I want to shoot the berger 55gr. Anyone have any data on this caliber or suggestions on another 20 cal laser?
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  #2  
Old 04-17-2009, 12:19 AM
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Join Date: Feb 2005
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Re: 20-250

I have a .20-250 set up with 40 grain bullets. 1 1/2" high at 100 yards, hits 1/2" low at 300 yards. That's at 4125 fps. I don't have the twist for the 55's. You might get 3700 fps with the 55's.
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  #3  
Old 04-17-2009, 10:29 AM
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Join Date: Feb 2005
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Re: 20-250

This is a good website for 20 calibers. Todd has experience using the 50 grain Bergers. His outfit is a good place to start.
http://www.woodchuckden.com/
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  #4  
Old 04-18-2009, 09:15 AM
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Location: Fort Shaw, Montana
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Re: 20-250

I would find out from Berger if their 55 gr bullets have any kind of velocity limits as you will certainly be pushing them MUCH faster then they were originally designed to be driven.

Not saying they will not work but if they are designed for the likes of the 204 Ruger and Tac 20, you may see problems at what you can drive them to in the 20-250.

Just something to research before you dive into the project. The reason is because with a twist appropriate for the 55 gr pills, if they do not work, you will have ALOT of RPMs for the lighter bullets and they may well not work either.....
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  #5  
Old 04-18-2009, 02:48 PM
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Re: 20-250

Very good point Kirby! Looking at Bergers website, they recommend an 8 twist for the 55 grain 20 caliber bullet. That's allot of rpm at 3700 fps!
Just to clarify, I had a phone conversation with Todd from the Woodchuck Den last week and this bullet was mentioned. He thought velocities at or near 3700 fps could be reached, maybe more?
Berger Varmint Bullets
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  #6  
Old 03-31-2013, 10:26 AM
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Join Date: Oct 2012
Location: DFW, Texas
Posts: 325
Re: 20-250

Naymola did you end up building it?

Yes I know it's an old thread
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  #7  
Old 03-31-2013, 12:43 PM
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Join Date: Feb 2005
Posts: 48
Re: 20-250


I've been using my .20-250 exclusively for calling Coyotes for the last 5 years, love it.

Here is a picture from a Predator club I belong to, tallying up "proof of kills" for this season.
85% of those where killed with my .20-250, with a 40 grain NBT.

Since my last post, I've re-barreled it. The 12 twist Lilja wasn't cutting it, wouldn't shoot and also fouled badly. Replaced it with a 11 twist Krieger, much better now!

The Smith who built mine (Greg at Gre'Tan rifles) has a .20-250 set up for 55 grain Berger's for sniping Coyote's. I know he whacked one in the neighborhood of 700 yards this season. He would be happy to give you the low down.

Gary
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