You can request an owner's manual for free at the Remington website.
Get a copy of the Gun Digest Shotgun Assembly/Disassembly manual. It should have the Mod 67.
Standard 16 gauge shotgun shells.
Go to Browning.com and you can download a manual.
You can get the manual from this page with some basic info. http://www.winchesterguns.com/services/index.asp
Take it to a qualified gunsmith
Take it to a gunsmith.
Not quite sure which model you have. Use the link below to find the owners manual for your gun. Follow the manual for dissassembly.
How many cartridge does a 12 gauge shotgun carry.
Which one?
Take it to a gun smith.
You take it to a gunsmith