From benchrest + -er.
benchrester (plural benchresters)
- One who takes part in benchrest shooting.
1997 December 23, Marcus [username], “Re: New Pre '64 or 700 action?”, in rec.guns[1] (Usenet):Accuracy folks (benchresters, varminters, etc.) lean decidedly towards the Remington. Its tubular design allows it to be chucked in a lathe and "hot-rodded" very easily.