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6x45


This is a discussion on 6x45 within the AR-15 forums, part of the Long Guns category!
Does anybody have one? The more I think about it, the more this cartridge seems like a good idea. All ...


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Old 11-02-2012, 01:50 PM   #1 (permalink)
 
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Does anybody have one? The more I think about it, the more this cartridge seems like a good idea. All the parts, except for the barrel, are exactly the same as the 5.56, including magazines. It even allows you to use readily available and affordable 5.56 brass by simply running it through a die to open up the neck. The advantage is a bit more power and efficiency along with a better selection of bullets suitable for use on deer sized game. I was originally going to build a 5.56/223 but now I am leaning toward the 6x45, for now anyway.
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Old 11-02-2012, 02:07 PM   #2 (permalink)
 
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Btw, this is just the 5.56/223 necked up from .224 to .243.
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Old 12-09-2012, 05:02 PM   #3 (permalink)
 
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Not familiar with it though the cartridge sounds like the 6mm TCU. I am getting ready to build a deer AR in 6.8. I have thought about the 6.5 Grendel as well.
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