Richard Miller, born in 1944, grew up in the Grand Rapids, Michigan area where he continues to reside. Richard began building muzzleloaders in 1958. Since retirement he is building on a full-time basis. His work is signed with an intaglio punch RM and the current date (year).

Richard is currently the NMLRA Gunmakers Hall chairman (2007) and actively involved with the NMLRA Educational Center and its scholarship foundation. Richard has been recognized for his educational efforts by both the NMLRA and the CLA.