AR-15 Lower Receiver which Eliminates the Receiver Slack

By Hrachya H

The presence of slack between upper and lower receivers of AR-15 pattern rifles is sometimes considered a flaw of the design. Some people insist that it does affect the accuracy, others just find it annoying. In order to solve this problem, different manufacturers came up with various solutions. Perhaps the most known are the tensioning […]

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Source:: The Firearm Blog