move the safety lever and hold trigger back as you remove bolt
No, Remington made them in their EDDYSTONE plant!
100-1000 or more depending on sepcifics
You will have to specify if you mean for a total breakdown, field stripping, cleaning, etc..
Really short coil spring with loops on both ends?
about $200 if very clean
What is Value if antique us spring field rifle model 1884 serial number 517233
No such rifle
no
Assuming you're referring to the M1903A6, it used the 7.62x63mm cartridge, more popularly known as the .30-06.
spring drives a piston that pushes air
Oil, bore cleaner, patches, cleaning rod.
Ask a gunsmith for help