WEll this is what im trying to figure out. I really need help from a gun doctor. Im attempting to import a gun that is not available in Canada or the States. The gun shots at between 350-363 fps. Extending the barrel doesnt work as there are no barrels that fit the gun. The guys have tried several things to upgrade the fps but nothing seems to be working. I will try a different mag tonight tho, as they just got some stock in.
Another question is...how hard would it be to DOWNGRADE a gbb? Keep in mind that valves and parts are like non existent atm. And i'm only talking about a marginal drop of like 10-15 fps.
The two mags im working with are:
http://www.airsoftgi.com/product_inf...oducts_id=9930
http://shop.ehobbyasia.com/magazines...bb-series.html