The Monsoon has a semi-automatic system similar to the Revolution, which use wasted air to cycle the bolt and index the 12-shot magazine, due to the efficiency of the semi-automatic system it's extremely quiet without the use of any additional components. The manual bolt lever enables the rifle to be safely loaded and refilled without any risk of misfire. The Monsoon is sure to supply rapid fire enjoyment along with single shot precision. Thumbhole stock in Synthetic with adjustable recoil pad. Recoil free pneumatic air rifle.