The Middle Aged Gamer gets to give his impressions about the GHK URG I V3 10 3" GBBR as he unboxes it in this video. The GHK MK16 URG-I 10.3″ GBBR is an accurate replica of the latest rifle used by US Special Operations Forces. Built on the GHK GBB platform, this gas blowback rifle is claimed to have exceptional gas efficiency and consistent first shot performance.