The FX Impact has defined and forever changed what an airgun can achieve. Now with the addition of the Power Plenum, and new .35 caliber platform, unprecedented efficiency and power have been achieved. The .35 Caliber Impact will feature an 800mm Barrel, 580CC bottle and 18-round High Capacity Magazine! This gun is capable of being tuned up to 150 ft/lbs of energy.
I have personally worked with the new .35 caliber in Sweden, but here are the initial specifications coming out of Sweden: