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...
There are a couple six flight reamers. What is significant about the four flight reamer isn't so much that it's four, but, note that it isn't square. Probably designed for minimal chatter, and Frank is likely correct that it is for very fine removal / burnishing.
The Following 2 Users Say Thank You to edgarspencer For Your Post: