Re: AR replacement

Originally Posted by
Zane Rakes
AO6: whats your thoughts on the short barrels? Seems like velocity loss would be prohibitive down that short of a barrel, especially in the 6.5C or 308. However, I have no experience with that so looking to learn a bit.
zr
Here's an article summarizing velocities of a .308 cut from 28" down to 16.5" with varied bullet weights.
http://bulletin.accurateshooter.com/...barrel-length/
Some barrels are faster than others, but that gives a SWAG way to estimate the difference; a 20" .308 barrel will shoot *about* 100 fps faster than a 16" barrel, for example...
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