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6mm/220 swift?

 
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  #1  
Old 03-22-2011, 02:21 PM
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Join Date: Mar 2011
Location: Washington state
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6mm/220 swift?

Just wondering if anyone has ever wildcated a 6mm bullet on a 220 swift cartridge? Is that even possible?
I am looking for a project rifle. I want to build a 6mm caliber gun. Maybe I should just buy a .243 or 6mm rem and save the trouble. But rounds I'm considering are: 6mm/284, 6mm-06, .243 AI. Any other 6mm's I should be looking at?
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  #2  
Old 03-22-2011, 02:54 PM
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Re: 6mm/220 swift?

The swift case is based on the old 6MM Lee Navy case. It is semi rimmed and the web is very strong.

Tkae a little of the body taper out and sharpen the shoulder a bit and you'll have a nice little round there...
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  #3  
Old 03-22-2011, 03:48 PM
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Re: 6mm/220 swift?

If you are not going to improve the case you may as well go with a 6x47 lapua. I have worked backwards from your idea making a 22x47lapua. The 22x47 has identicle case capacity and I use 220 swift load data interchangably for starting loads. Both have 47grs powder capacity.

I am fond of the 243AI in a short action if it is throated properly for whatever magazine you go with. A 6x284 is a little crowded in a short action.
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Old 03-23-2011, 10:36 AM
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Re: 6mm/220 swift?

I am fond of the 243AI in a short action if it is throated properly for whatever magazine you go with. A 6x284 is a little crowded in a short action.[/QUOTE]


I do agree, my first AI cartridge was the 243AI, what a great round, when I shot out that bbl I rebarreled & rechambered to 6mmAI & I'm lovin it as well.

IMHO the 6mm-284 is not the best cartridge for a SA platform, a cartrigde of that capacity is better suited to long heavy for caliber bullets (think DTAC, SMK, VLD). These bullet weights are where that particular cartridge really starts to shine; similar performance to it's ballistic twins the 6-06 & the 240 WBY.

For a short action, i'd stick with the 243AI throated to your mag length & save yourself some frusteration..... unless you can deal with a single shooter
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Old 03-23-2011, 05:12 PM
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Join Date: Aug 2010
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Re: 6mm/220 swift?

The Bear’s 6mm Super LR Varminter within AccurateShooter.com
Read about this little gem. Fast, accurate, good throat life, prefers domestic brass and that's not all. If you want a 6mm feline this is a good one
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  #6  
Old 03-23-2011, 11:21 PM
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Re: 6mm/220 swift?

What are you trying to do? the 6mm XC is the best for the barrel. I enjoy the 243 and the 243AI has some good points. the 243 wssm Is something I would really like
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  #7  
Old 03-24-2011, 10:00 PM
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Re: 6mm/220 swift?

6 x 284 own having the third one put togeather. Stick with the 85 and 100 grainer s/a works fine.
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