Uploaded December 2016 | Updated September 2026, 6 days ago

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A quick guide on how to set up your new UAC Aluminium Bolt Carrier for the TM M4 MWS GBBR. It's actually surprisingly easy job that can be accomplished in a few minutes, only two fiddly bits to get through but otherwise it's a piece of cake.

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UAC Aluminium Bolt Carrier Review: youtube.com/watch?v=J6R-MRQzD3c