Welcome to the new PGCA Forum! As well, since it
is new - please read the following:
This is a new forum - so you must REGISTER to this Forum before posting;
If you are not a PGCA Member, we do not allow posts selling, offering or brokering firearms and/or parts; and You MUST REGISTER your REAL FIRST and LAST NAME as your login name.
To register: Click here..................
If you are registered to the forum and keep getting logged
out: Please
Click Here...
The closest i have seen is vent ribs that were added later on by remington on top of the standard concave rib. So you would have a flat rib on top of a concave rib and the transisiton back into the frame is concave.
Threaded Mode