Cisco of Airsoft GI takes almost an hour to talk about the G&G SMC-9 GBB and goes through the steps of the doing an installation of the Downgrade Nozzle. There are two versions of this Nozzle with Blue version allowing you to downgrade it to 321-335 FPS and the Yellow version to 354-364 FPS to allow players to meet airsoft field requirements.
If you need to downgrade the King Arms M1 Carbine to meet the game site's FPS limit, SOCOM Tactical is here to help and show you how to do it yourself. The King Arms M1 Carbine is a CO2 powered airsoft gun which has an initial muzzle velocity of 430 fps. There is a paratrooper version for those who prefer that model... "Here we take a look at how to downgrade the FPS on a King Arms M1 Carbine."
In this video Tang of Jag Precision shows you some of the best CQB AEGs available in the market an options for you to upgrade or downgrade your airsoft gun to meet requirements for CQB games... "Today we'll be talking about CQB guns and what is best suited for up close engagements. We'll be showing some Echo1 guns as well as upgrades/downgrades to make your existing gun CQB field legal."
