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AR15.COM
4/12/2010 8:05:16 AM EDT
Hey Steve and Co.,

I have an Armalite AR-10T carbine with a 16" heavy SS match barrel.  I have been considering having it contoured (under the handguards) and/or fluted (in front of gas block or perhaps the full length of the barrel) to shave some more weight off of what ends up being a 10lb+ "carbine" with optics, mag, etc.  The barrel is 416R stainless, with a diameter of approx. 1" under the handguards, 0.875" at the gas block, and approx. 0.750" from just in front of the gas block to the muzzle.

I was wondering if you have performed this service on a 10T carbine barrel before and what you may have done in terms of contouring/fluting?  Also, do you have any estimate of how much weight I might save by contouring/fluting this barrel?

Thanks for your help!
4/12/2010 1:20:41 PM EDT
[#1]
thats just a big heavy barrel. My suggestion would be to go to .800 under the HG and leave the rest along. You might save a 8oz.  If you want a light AR10 carbine barrel, you are better served looking for a take of chrome line AR10A4 barrel.
4/13/2010 8:49:33 AM EDT
[#2]
Thanks for the input, Steve.  I appreciate your honest opinions.

For only an 8oz weight savings (give or take), I think I'll just leave this one well enough alone.  Between the barrel mods and some other work I was planning, I was hoping to get around 2-2.5lbs in weight savings, but that won't fly with only 8oz coming off the bbl.

Thanks again!