It might require dissembling the printer, though not advised for people without experience to do it..
Remington produced a slide action (pump) rifle known as the model 760. One of the cartridges this was offered in was .243 Winchester- basically a .308 cartridge necked down to .243 caliber. See the link below for an article on the 760, and some pictures.
760
760
The nearest 10 of 762 is 760.
760
35% of 760= 35% * 760= 0.35 * 760= 266
51% of 760 = 51% * 760 = 0.51 * 760 = 387.6
There is no way of giving you a value,without you providing a much more detailed description of your model 760 pump action rifle,s overall condition to include the amount of original finish remaining on the wood and metal,the bore,s condition and what cartridge it is chambered for.
760
760
760 is right
760