This video details troubleshooting a 300 Blackout AR-15 build experiencing bolt lockback failures, particularly when suppressed and using subsonic ammunition. The presenter explores adjustments to an adjustable gas block and the critical role of the buffer and buffer spring combination in achieving reliable cycling. The discussion highlights how different buffer tube lengths and buffer weights can impact performance, offering insights for users facing similar issues.
This video details troubleshooting a 300 Blackout firearm that fails to lock back on an empty magazine. The presenter discusses swapping buffer tubes and springs, considering an adjustable gas block, and the potential benefits of a suppressor for cycling reliability. The content also touches on the ATF's stance on pistol braces and the process of acquiring tax stamps.
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