When the electrical contact of the firing contact assembly comes in contact with the firing pin, the electrical circuit between the connector and the primer is completed and the round is fired.
The first round is fired approximately 0.1 second after the trigger is depressed and the gun accelerates to the nominal firing rate of 6000 (±10 percent) SPM in a maximum of 0.4 second. Recoil forces generated are transmitted from the breech bolt through the gun housing recoil adapters to the forward bulkhead of the gun bay.