- The LWRCI™ Rapid Engagement Precision Rifle (R.E.P.R.) is a full-spectrum weapon system designed to put devastating 7.62 mm NATO rounds on target in a variety of real world applications. LWRCI's submission for the CSASS Program was created with innovations established in the highly successful REPR MK I™ platform and carried through into as the R.E.P.R. MKII™. The REPR MKII™ improves upon the dependability, accuracy, and aesthetics that made the original R.E.P.R. a success. The REPR MKII™ is built for high performance.