Benelli M4 Front Sight Nut Size?

[thomjb]

What size wrench is needed to remove the front sight on a M4? I am assuming metric and around 5mm?

 

Any help appreciated.

Thanks in advance

[KB Fab]

5.5 millimeter.

[heckler&kochp2000]

5.5 it rounds out the edges pretty easy on the nut but it will fit.

 

i use a screw driver kit that looks like it can be bought at Harbor freight or like a 99 cent store

that come in those little 5 pack plastic square containers that those little screw drivers come in.

[thomjb]

Thanks very much, a new Benelli owner here and glad to have found this forum!

 

thanks again