The Alien Creator Evolution L.O. Kit represents the apex of speed, accuracy, capacity, and control. Designed specifically to conquer the competition in Limited Optics matches, the LO kit features a special slide and top rail with a fully-adjustable thumb rest, XL competition magwell, and a new extended capacity 17-round magazine which can be easily disassembled for cleaning and service. Finished with a DLC (diamond-like carbon) coating on the slide and frame and a special anodized finish on the CNC aluminum grip module. Trigger pull weight is set at approximately 3.5 lbs.