We all know about the GHK M4 Gas Blowback Series from King Arms as they have previously announced last week. Now, Spartan Imports have in ther hands the Colt M4 RIS Nylon Fibre version (KA-AG-106) as they give us a sneak peek on how it fires with the GHK's gas blowback system. Firing looks good and the Nylon Fibre looks really sturdy.

Spartan Imports are expecting a delivery very soon, so interested retailers, time to line-up again to have these in stock first.