Allen Screws on Bisley?

I don't have a complete gun with a Bisley grip frame on it. I just have a grip frame. So, I don't know what size the allen head screws are in the Bisley frame.

Can someone tell me what size allen wrench they take please? I need to inform a customer.

Thanks
Cary

I just checked. An Allen wrench will work but a 7/64" ball driver is the best tool to use because the screw heads are not a straight shot.

Yes, 7/64"

Brownell's markets a 7/64" Allen driver as a part of one of their gunsmith's screwdriver sets. It's available as an individual piece as well. I have found it to be the best and easiest tool available for removing the upper grip frame screws on the Bisley.

Thank you guys.

Cary