Any self-loading shotgun is limited to a length of 1320 mm. In the Open Class, separate magazines, compensators, ports, flame arresters, and optoelectronic sights are allowed. No more than 10 rounds of ammunition are allowed at the start. Magazines with a 12-round capacity are permitted.

A self-loading shotgun with a tubular under-barrel magazine and mechanical sights. The shotgun may have no more than 9 rounds of ammunition at the start. In the Standard Class, replacement or modification of the feeder and charging window is permitted, provided that no part protrudes beyond the standard dimensions of the firearm.

The Modified Class differs from the Standard Class in that it allows for various modifications, such as compensators, ports, flame retardants, different types of sights and the use of prototypes. Also, 14 rounds of ammunition are allowed at the start of this class.

The Monual Standard Class is the same as the Standard class, but with a manual reloading system. Any handguns with manual reloading (i.e. pump action, slide action, lever action, bolt action, bolt action) are factory produced and available to the general public.