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408 Chey-Tac Imp

 
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  #8  
Old 06-26-2012, 05:31 PM
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Re: 408 Chey-Tac Imp

I don't know anyone that has tested the 309. There has been two tests that I know of that tested a 300 gr. One test was with an 8.5 twist and the other was with a 5.5 twist. The bullets hit the ground out of both barrels.
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  #9  
Old 06-26-2012, 07:06 PM
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Re: 408 Chey-Tac Imp

Top shot posted in the ELR forum a 416 that is currently built that pushes a 450 gr. g7 .43 @ 3100.Sound like a new contender
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  #10  
Old 06-27-2012, 07:01 PM
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Re: 408 Chey-Tac Imp

The 416 Barrett will do that as well just with a hot load. The brass for the Barrett is not that great, weight consistency is horrid and needs a bunch of prep time. I had started this topic to see if anyone had given it much thought. Making an improved 408 would be very easy just load and shoot.
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  #11  
Old 06-27-2012, 08:15 PM
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Re: 408 Chey-Tac Imp

Quote:
Originally Posted by Mayhem338 View Post
After reading a lot of the info available on the various 408 based calibers, I have noticed no attempts at just improving the 408 itself. Is this mainly due to not much in the way of bullet selection? Is all the bad press that Chey-Tac brought on itself a real factor as well? With the real velocity gains that have been seen in 338 and 375, I would thing a 408 400gr at 3100 with a BC in the .9-.93 range might be impressive. Any thoughts?

Why does the the 408 CheyTac need to be improved?

Maybe I'm misunderstanding, but what exactly is wrong with the 408 CheyTac to start with? I've seen it shoot well under one moa at a mile while retaining more energy than a 50 BMG. Unless you are just trying to make a good round better, why does the the 408 Cheytac need fixing?
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  #12  
Old 06-27-2012, 10:43 PM
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Re: 408 Chey-Tac Imp

THIS is a new design with bench rest quality,they say brass,made I think in SA, and a McMILLAN rifle.Check out post on ELR SECTION
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  #13  
Old 06-28-2012, 02:10 AM
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Re: 408 Chey-Tac Imp

I shot the .408CT in a Barker Machine Works rifle. Now against the 416 McMillan the difference was in the portability of the two systems.

The .408 came with a 28" rifle in a single shot configuration on an XLR stock. This rifle could be packed into some remote hunting areas if you wanted to. The .416 McMillan system on the other hand is what I would call a truck rifle! Bloody great ballistics but I would not like to cart it very far in the bush.

Now the thought of improving the standard .408 is interesting but due to the bore size to case capacity, I dont think you would gain much velocity in a 28" barrel? I could be wrong.
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  #14  
Old 06-28-2012, 09:46 PM
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Re: 408 Chey-Tac Imp

S5

There is nothing really wrong with the standard 408 CT. I was thinking if you are loading it anyway why not get the most out of it.
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