first take off the two bolts on the top of the stock, the small bolt first then the larger one.
then pull the stock off by pulling straight back
remove the barrel by spinning the lock at the end of the magazine then spin the mag and then pull the mag towards the end of the barrel. then slide the pump towards the end of the barrel. then you can spin the barrel and then slide it off.
schematic at http://stevespages.com/page7a.htm
You can request an owner's manual for free at the Remington website.
You did not say what model, but most common is a licensed copy of the Remington 870. Go to the Remington website, and you can download the 870 Owner's manual.
Take it to a professional
Take it to a gunsmith
You can request an owner's manual for free at the Remington website.
You can get a manual from Remington by going to their website
Request a manual from Remington's web site.
yes it will all you have to do is to take it apart
Since there is no one Remington 20 g model, there is no one answer. If the owner's manual (available free thru the Remington website) does not help, take it to a gunsmith.
Take it to a gunsmith.
Get a copy of the Gun Digest Shotgun Assembly/Disassembly manual. It should have the Mod 67.
Pull on the front of the forearm it will come apart from the barrels......then break open the shotgun (like you were going to load it and the barrels will come apart from the reciever.