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...
Here's a previous answer from Mr Skeues to the same question: Hi Guys, The first batch of 28 ga guns that we ordered had that F on the lug. They came that way from Japan. I think the manufacturer misread an accounting code we used for computer codes. I do not know what the I means.