The locking system, in which a cam moves a lock vertically in the weapon, was not dissimilar to the Browning machine gun designs. The original design, borrowing from the 1910 pattern, was a heavy ground-based weapon fitted with a water-cooling jacket. The weapon was then lightened for both infantry and aircraft use.
The locking mechanism in this weapon, which involves a cam moving the lock vertically within it, shares similarities with Browning machine gun designs. The initial design, derived from the 1910 pattern, was a heavy ground-based firearm with a water-cooling jacket. It was later modified for use by infantry and aircraft.