Unusual AR-15 Barrel Extension Failure
By Hrachya H
When it comes to the failures of the AR-15 locking mechanism, you normally see the failure of the bolt. I bet you have seen bolts with one or two or as much as all seven locking lugs sheared. In this article, we’ll take a look at something different – a rather rare barrel extension failure. […]
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Source:: The Firearm Blog
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