Warning

 

Close

Confirm Action

Are you sure you wish to do this?

Confirm Cancel
BCM
User Panel

Posted: 6/15/2009 10:22:17 AM EDT
I am switching from a flat top to a A2 upper...I'm not sure if I even have a F marked fsb, but if I do, Is it compatible with a A2 receiver?  the barrel is a BM superlight
Link Posted: 6/15/2009 11:32:32 AM EDT
I really like this link. Scroll down till you see the FSB for your answer but a lot of other good information as well.

http://forums.officer.com/forums/showthread.php?t=81462
Link Posted: 6/15/2009 12:45:09 PM EDT
F height is a slightly taller front sight.  Rear sights used in combination with a flattop receiver will usually need an F height front sight to zero correctly.
Close Join Our Mail List to Stay Up To Date! Win a FREE Membership!

Sign up for the ARFCOM weekly newsletter and be entered to win a free ARFCOM membership. One new winner* is announced every week!

You will receive an email every Friday morning featuring the latest chatter from the hottest topics, breaking news surrounding legislation, as well as exclusive deals only available to ARFCOM email subscribers.


By signing up you agree to our User Agreement. *Must have a registered ARFCOM account to win.
Top Top