M3 Grease Gun and HK UMP Part 3

Subscribe NOW to YOUTUBE: Subscribe NOW to FULL30: From Season 1 of TAC-TV. Ken and Larry continue comparing the M3 Grease Gun and the HK UMP. Click here to keep up with me: Twitter: Facebook: Instagram: Other videos you should see: Full Auto vs. Semi-Auto with an AK The Myth of Over Lubrication