The Maxus II shares the same foundational design and performance features that have made the original Maxus so revered, and includes an array of new refinements that will give you the edge in the field and in competition. It utilizes Power Drive, an efficient gas operation system. It helps reduce recoil and offers excellent reliability with a wide range of factory ammunition. A more adjustable stock, screw-on magazine cap, enhanced grip, an enhanced trigger guard and improved shooting comfort are a few of the features of the Maxus II and contribute to the sleek, revised styling.