Hello everyone, this is my review video on the UAC ultra light weight blowback unit for the TM hi-capa 5.1 airsoft pistol, in this review i talk about the quality of the BBU and compare it to the standard TM blowback unit, i install the BBU to my TM hi-capa gold match and do some before and after chronograph test to..

I have many TM hi-capa related videos coming so check out my hi-capa play list..

http://www.dailymotion.com/playlist/x5m6x3

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Happy and safe shooting all.
all the best, clustermarc.