This is the FMR-2, the main assault rifle used by Firani military units, it has a 40 round magazine, which is inserted into the gun from under the stock, the magazine rotates when the 10 rounds in each tube have been fired, The gun has 3 firing modes, Safe, Single shot/burst, and full auto, in single shot/burst mode, pulling the trigger lightly will give you a single shot, and pulling it hard will give you a three round burst.