Is there any particular reason I can't use a teardrop shaped FA in a conventional flattop upper? Do they have the same critical dimensions? Diameter, length from tip of the pawl to roll pin slot, width of pawl, that sort of thing.
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.
