The Umarex Octane rifle has the new Reaxis Gas Piston and the new Five-Chamber SilencAir system. It is supported by a black synthetic stock with a rubber recoil pad. There is a two-stage adjustable trigger, metal Picatinny scope rail, fiber optic front and adjustable fiber optic rear sight. It has a single-stage cocking mechanism and automatic safety. The Umarex Octane pellet rifle takes advantage of its new Reaxis Gas piston system for easy cocking and great performance. It has the new Five-Chamber SilencAir noise dampener. The Octane has an ambidextrous thumbhole stock, fixed fiber optic front sight and adjustable fiber optic rear sight. It is packaged with a 3-9 x 40mm scope and rings. The scope is mounted on a Picatinny rail. This gun is easy to cock and has rifled barrel accuracy.