Threading for the foregrip of a mag

[Drix]

What kind of screw do I need for the foregrip to a mag? I have a minimag thats missing any type of grip on the front.

[MFM-70]

If you are referring to the vertical bottle adaptor, it is a 1/4-20 Low head Cap Screw.

[DevilMan]

I have a vert ASA as well as a bolt that I'd sell ya if you want it.. if you want extra bolts I have those as well.

It's a standard AM/MM vert ASA.

DM