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AR15.COM
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1/17/2008 2:30:55 PM EDT
I have a upper with an 24" stainless bull barrel marked 228 s. Does anyone have any idea what this is???? That is the only marking stamped on it.

Thanks
1/17/2008 3:00:01 PM EDT
[#1]
it sounds like a rock river arms 24 inch varmint barrel, 1:8 twist stainless.

edit to add link---   link to barrel code list
1/17/2008 4:33:09 PM EDT
[#2]
Thanks for the info.
1/18/2008 5:31:42 AM EDT
[#3]
That's one of ours if that marking is stamped just forward of the extension over the chamber area.  Should be a 1:8 24" stainless bull barrel (AR0228).
Steve/RRA
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