Reported muzzle energy: 20 fpe. Please note, the gauge location on the Synthetic Stormrider is at the front of the air cylinder.If you install the Diana Stormrider Regulator, you will not have a gauge that displays the regulator pressure. This item only ships to United States. Do not attempt to disassemble any items. The item "(New) Diana Stormrider Gen2 Multi-shot PCP Air Rifle, Synthetic by Diana. 177" is in sale since Saturday, June 27, 2020. This item is in the category "Sporting Goods\Outdoor Sports\Air Guns & Slingshots\Air Rifles". The seller is "magicseeker66" and is located in Solon, Ohio. This item can be shipped to United States, Canada.