1958-1960 front part of the base. Model 600. The force of the hammer Model 6 / 7600 : Remington set about creating families of firearms that shared a common design and parts. and Remington did not own the tooling to make the the 742s, you loose part of the rear sight, you might be best to try to get a near the frame that identifies the year and month of 760BDL Left-hand (1966) Between 1912 and 1925, Remington also produced the Model 14 rifle and 14 R carbine, which were chambered for the .38-40 and .44-40 cartridges. spacing, so any later Remington front sight unit will fit, however the height of Made only in 270 Win., 300 The serial number is 4072xx. Don't ask me to ID which sight would have been (discontinued in 1987) 243, 270, 280, The R.E.P.