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Uploaded on Dec 28, 2009
Firing my new Glock 21 .45 ACP Carbine Conversion Unit (CCU) from Mech Tech Systems, Inc (http://www.mechtechsys.com/). Basic upper unit with the red dot from my Sig mounted so I had some sighting system, they make an assortment of calibers and models for Glocks and 1911s, neat little carbine conversion unit that is incredibly easy to install and works quite well. All you need is the frame (lower half) and the correct upper and you've a nice, functional little carbine that can transition back to a pistol in no time.