The Marlin Dark series of rifles came from the factory with a threaded muzzle and dark black nitride coating on the metal and black painted wooden stocks. It initially came in 45-70 govt but later was also offered in 30-30 Win, 44 Mag/44 spcl and 357 Mag/38 spcl. As of 2022, Ruger Marlin has not re-launched this series of rifles.