Please provide the following when creating the Ticket:

Game Version number: Arma Reforger stable version 1.4.0.45
Modded?:No

Issue Description:

The mechanical sights of the machine guns do not work. This problem has not been solved to date. Please fix the sights of the machine guns.
At the same time, the sights of similar machine guns from the arsenal that the player is armed with work properly.

A similar problem T181213