Prototype 1 in 6'' Twist Green Mountain AR-15 4150 CMV CL Barrel Test (HD)

Published on December 17, 2014
Duration: 11:31

This video features a test of a prototype Green Mountain AR-15 barrel with a 6-inch twist rate, made from 4150 CMV steel. The description promotes various merchandise and social media channels associated with the "Mrgunsngear" brand. The content focuses on the performance and characteristics of this specific barrel for the AR-15 platform.

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