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11/1/2009 10:13:30 AM EDT
I have a SS barrel that was on a Armalite rifle. It is a Dissapator config, 16 inch w/ rifle length gas system. It has a couple of markings on it and I was wondering if I am right in what they mean. Its stamped:

SS
W
1/9

Now the 1/9, pretty obvious, 1 in 9 twist.
The SS, Stainless Steel, right?
The W, Wylde chamber???   Would appreciate some feedback.
Was also wondering if the Dissapator is used much, advantages, disadvantages?
Thanks.
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