Best left to a gunsmith
You can request a owner's manual at the Remington web site.
There are two screws securing the ramp to the barrel. One screw is quite obvious at the rear of the ramp. The other screw is under the front sight blade. Remove the front sight blade and you will be able to remove the mounting screw.
You can request a manual from Remington on their web site.
Follow the instructions in the owner's manual. If you don't have one, go to Remington's web site and request one.
line up the target on the top of the front sight while sighting the front sight through the rear peep sight.
Remington's web site.
No such model number listed on Remington's web site.
Look at the barrel code letters on the left side of the barrel in front of receiver. Look these up on the Remington Society of America site under the manufactures date link.
Go to Remington's web site and request a manaual
Go to Remington's web site and you can request a manual for free.
You can request one from Remington for free at their web site.
Go to Remington's web site and request an owner's manual.