Joe Toys presents the GHK M4 URG-I MK16 SOPMOD Block 3 Gas Blowback Rifle that has been made available in the market recently. Text is machine translated from Chinese so it's a bit confusing... "In recent years, GHK AIRSOFT has been very enterprising and has released two m4 gbbrs at once, namely M4 sopmod block 3 mk16 urg-i 14.5-inch and 10.3-inch versions. The original Colt authorizes the horse logo, Geissele mk16 urg-i Rail and cocking handle.