GSG's M1911 ADOPS has the same look and feel as a full size 1911 pistol and is compatible with many standard M1911 parts. The high-velocity 22LR has a zinc alloy frame, extended beaver tail grip safety, ambidextrous thumb safety, 3-hole skeletonized aluminum trigger, low profile fixed rear sight. Includes is a 10rd magazine. Threaded barrel 9x.75mm w/ 1/2x28 Thread adapter.