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Topics > Questions Regarding Upper Receivers > FAQ ID # 2699

FAQ ID # 2699
Last Update : 2010/09/28
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Question / Issue
Has the barrel for the 6.8 upper always been SpecII or did it used to be SAAMI? Has the barrel always been 1:11 or did it used to be a different twist? Thanks

Answer / Solution

Our 6.8 barrels used to have SAAMI chambers and 1/10 twist. They now all have Spec II with a 1/11 twist.

If you see 1/11 on the barrel it has a Spec II chamber.



Direct Link to This FAQ
http://www.bushmaster.com/faqs/?f=2699

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