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Posted: 4/10/2006 10:50:41 AM EDT
Okay, I have a Shaw 15" Heavy Carbine Barrel (it's threaded), and I would some info.
So here goes......

I would like to know, how much weight is removed from a Heavy Carbine Length Barrel, when you Flute under the Handguard Area only.
And also if you do some fluting forward of the FSB, where the barrel is 0.750" dia.

Weight is really a problem for me now. My back is not what it was before, and after 5 surgeries, it's a mess. That's why I ask. I have given alot of thought of getting one of those Pencil Thin Lightweight 16" Carbine barrels, just to get as light as possible. Thinking that I should just try trading it for a LW Barrel.


Chief
Link Posted: 4/10/2006 11:51:12 AM EDT
[Last Edit: 4/10/2006 12:06:48 PM EDT by ToeBall]
On a friend's Oly with a 16" stainless carbine length gas system barrel, the weight difference was 1.4 lbs. according to Olympic, if memory serves. On a midlength system, the barrel would be heavier but the weight difference in fluting would also be larger. I remeber running across a barrel weight calculator online a few months ago, but I can't seem to locate the URL at the moment. I did run across this one while looking though www.riflebarrels.com/articles/barrel_making/benchrest_weight_calculation.htm. I hope it helps.
Link Posted: 4/10/2006 12:02:50 PM EDT
[Last Edit: 4/10/2006 12:03:30 PM EDT by JimTh]
I don't remember where I got this, but it was posted as being Bushmaster barrel weights, this might give you some idea.

Barrel length______Heavy Barrels_______ Fluted Barrels

10"_________________2.0_________________1.9
11.5"_______________ 2.2_________________2.0
11.5/5.5"____________ 2.6_________________2.5
14.5"_______________ 2.5_________________2.2
14.5"AK_____________2.7_________________2.4
14.5"MY_____________2.7_________________2.4
14.5"AM (phantom)____2.7_________________2.4
14.5"IZ_____________2.7_________________2.4
16"_________________2.7_________________2.3
16" Dissipator_______ 3.0_________________2.6
20"_________________3.5_________________3.0
24"_________________3.9_________________3.1
26"_________________4.0_________________3.2

Military Style Barrels

14.5"M4_______________2.0
14.5"M4AK____________ 2.2
14.5"M4MY____________ 2.2
14.5"M4AM (phantom)___ 2.2
14.5"M4IZ_____________2.2
16"M4 Dissipator________2.3
16" Superlight_________ 1.9
16"M4_________________2.2
20"A2 (govt profile)______2.5
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