Argentine Rolling block sight screws

[GRHunter]

I have an Argentine rolling block, although not marked so. (It has the octogon section on the reciever.) What I need to know is what screw size and thread is used to fix the sight to the barrel. Thanks.

[huber7774@bellsouth.net]

I suggest you go to the Remington.com site and contact the dealers listed under "Specialty Gun Parts dealers and repair services" Jay Huber RSA