The Citadel Taipan X Pump Action AR-15 Style rifle combines the ergonomics that you have come to love and trust from the MSR platform gun and utilizes them in a pump/ straight pull bolt action platform. The manually operated integrated spring assist pump action is great for sporting and defensive applications and can also serve as a training platform for new shooters. the Taipan X uses common AR-15 pattern magazines. The selector switch is also the same profile for ease of use. the TSP X stock provides a stable and comfortable platform that can be adjusted to user preferences. And with a full-length top rail this rifle is ready to add your favorite optic.