Front MBUS adjustment.

[Paulo_Santos]

How do you adjust the front MBUS? The instructions say to use an A2 adjustment tool. And then there is the two small pins.

I don't want to mess around with them and mess them up because I may be returning them because they aren't working o well with my setup.

[Ryo]

Adjust them like how you would adjust on any other front BUIS. You would use a A2 adjustment tool on other BUIS, or possibly some wrapped up needle nose pliers, or crushed spent casing.. what ever gets that sight to rotate. Any case the pin are to lock that sight from drifting. If you look there's a hole in the front sight where the pin will fit into. The 2 different height pins are there in case your sight is high up or really really screwed down. Once your sighted in you just insert the pins so it doesn't rotate from recoil.

[Paulo_Santos]

The problem I'm having is that the sight isn't rotating.

[rob_s]

The problem I'm having is that the sight isn't rotating.

What are you using to turn it?

Remember that it's a metal screw in a plastic body, and that can be very tough to turn.

[Stickman]

The problem I'm having is that the sight isn't rotating.

They are tight, but I'm using MBUS on my duty weapon currently, and have had no problems.

[Paulo_Santos]

Figured it out. The needle nose pliers did the trick.