Quote:
Originally Posted by Deus Machina  I thought it was 1/4-20 and -28, with -24 a specialty size. |
You're correct. I mistyped. I got the 28 part right on the lug; dont know where the 24 came from.
Unless to find a screw that is the same to test with, you wont know. The only gun I can think of that uses 1/4 20 screws is a Defiant.
Maybe take a picture?