Pressure (RH Side) and fill pressure (LH Side). 11mm dovetail/Weaver combination optics rail. Includes two magazines and single-shot tray.Thank you for shopping with 315 Survival a Veteran Owned Company. This item is in the category "Sporting Goods\Outdoor Sports\Air Guns & Slingshots\Air Rifles". The seller is "315survival" and is located in this country: US. This item can be shipped to United States.