Barrel nut wrench available through Brownells.
You first need to remove the fore arm and then the barrel needs to be removed from the receiver. The bolt will then come out the front of the receiver.
You can request a manual from Remington on their web site.
First pull back the slide until it locks in a open position then remove the end off of the forearm and then remove the forarm then proceed to remove the barrel.
Best left to a qualified gun smith.
Adjust? You mean to remove or tighten? There is a threaded tightening bolt right in front of the receiver over the barrel.
Once you have the forearm removed you need a special spanner wrench to remove the tube/nut below the barrel. The bolt handle pin is then drifted out of the bolt and then the bolt handle can be removed from the bolt body. The barrel will now come out the front end of the receiver.
Disassemble to do what? To remove the trigger group you need to push out the two pins in the receiver to remove the trigger group. To remove the bolt you need to take the barrel off which requires an armorers barrel wrench.
NO. But both these barrels are easy to remove and replace and there is a wide selection of factory or aftermarket replacement choices available for both guns.
Unscrew the magazine tube cap, pull the barrel off to the front, remove the forestock. If in doubt, consult the owner's manual. A replacement owners manual is available through Remington's web page.
You take it to a gunsmith who has the special tools needed to remove a barrel without damaging the gun.
Remove the magazine cap and forearm, then remove the barrel and mag tube. At the end of the tube will be a metal cap that you can carefully pry out with a screwdriver, some press in and turn to remove them. Use caution, it is under spring pressure.
These guns are quite old 46 to 60 years old the barrels can be very difficult to remove they are screwed into the receiver you should be a gunsmith to remove the barrel as fitting a new barrel you will have to make sure that the head space is ok. Most guns of this era had fixed barrel even the early Remington 870 had fixed barrels you will need a barrel vise barrel spanner to start with years of shooting and rust make thes barrels a challenging task