Omega X allen wrench size?

[mkbar80]

What size allen wrench do I need to tighten up the 4 screws on an Omega X rail?

Regards,
K-

[Brahmzy]

2mm

Just took mine off a few days ago.

[AR15barrels]

5/64" if you are in the USA...

2mm is so close that it works too.

[mkbar80]

Thanks guys