Discipline	Abbr	Max. Shot size	Min. Shot Size	Max Shot(grammes)	Max Case Length	Gun/Barrel Restrictions No Straps, Slings. Magazine limited to one cartridge	Governing Body
Down the Line	DTL	2.6mm	Unspec.	28	Unspec.	No Ventilated Recoil Eliminators	SCTA
Single Barrel	S/B	"	"	"	"	"	"
Double Rise	D/R	"	"	"	"	"	"
Handicap by Distance	H/D	"	"	"	"	"	"
National Skeet	NSK	"	"	"	70mm	"	"
Skeet Doubles	NSKD	"	"	"	"	"	"
National Sporting	NSP	"	"	"	"	"	"
Sportrap	STR	"	"	"	"	"	"
Auto Ball Trap	ABT	2.5mm+0.1	Unspec.	"	70mm	No added barrel compensators
Olympic Trap	OT	2.5mm+0.1	Unspec.	24 +0.5	70mm	No added barrel compensators	ISSF
Olympic Skeet	OS	"	"	"	"		"
Double Trap	D/T	"	"	"	"	No added barrel compensators	"
Universal Trench	UT	"	"	28	"	No Compensators or Similar Devices	"
FITASC Sport	FSP	"	2.0mm	36	Unspec.	Min Barrel Lenght 66cm.	FITASC
FITASC Compact Sport	FCSP	"	Unspec	28	"	Min Barrel Lenght 66cm.	"
FITASC Helice (ZZ)	HEL	2.75mm	2.2mm	36	"	None	"

All Round. As per individual Disciplines Involved

Notes;
All cartridges must be of standard factory loading with no internal changes.
All Shot must be spherical and of normal production.
Home Loads, Black Powder, Tracer and Incendary cartridges are prohibited.
All types of shotgun may be used providing their caliber does not exceed 12 Bore.
Shotguns nust never be loaded with more than two cartridges.