The RM66 was precise. I did discover that my teams tended to become strung a tiny bit vertically. I imagine that was because of a Smith & Wesson bias, as I'm accustomed to white define rear sights with crimson insert entrance ramps. The RM66 includes a white define rear sight, https://rm6690997.jiliblog.com/86597484/a-simple-key-for-rm66-unveiled