300 BlackOut Neck Reaming With Deuce

Published on February 2, 2019
Duration: 6:35

This video demonstrates the process of neck reaming and inside reaming to form 300 BlackOut brass from unusable 5.56 brass. The creator, Deuce and Guns, explains that with a few tools, this transformation is easily achievable. The description also lists specific brands of 5.56 brass that are prone to requiring this process, highlighting potential issues with common ammunition.

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