- Cartridge SA tracer .303 inch mk I
This was the first version of the approved .303 tracer ammunition, dated 1915 / 1916. This flame tracer was developed by Royal Laboratory. It is loaded in a cartridge case for ball rounds, An inverted VII was added to the headstamp for identification. The bullet is pointed with a cupro nickel envelope. The core has in the front a lead/antimony part and a tracer component in the rear.
- Cartridge SA tracer .303 inch mk VII.T
The tracer mk VII.T has a solid copper bullet with a hole drilled in the rear, filled with tracer component.
- Cartridge SA tracer .303 inch mk VII.T.z
Same cartridge as above, but with a Nitrocellulose propellant. The headstamp included VII T Z.
- Cartridge SA tracer SPG .303 inch mk VII.G
The bullet of the tracer mk VII.G has a tracer cannister with a lead/antimony front core in a cupro nickel envelope. the headstamp included VII.G. The case has a red primer annulus.
- Cartridge SA tracer .303 inch G mk I
same cartridge as above, but in 1927 the name was changed in G mk I. The code "G I" was included in the headstamp.
- Cartridge SA tracer .303 inch G mk II
The tracer G mk II is a flame tracer, tracing to 1000 yards. The bullet has a cupro nickel, cupro nickel clad steel, gilding metal or gilding metal clad steel envelope. The code letter G II was included in the headstamp.
- Cartridge SA tracer .303 inch G mk II.z
Same cartridge as above, but with a nitrocellulose propellant. (instead of Cordite) The headstamp includes the code G II z.
- Cartridge SA tracer .303 ich G mk 2
The same tracer cartridge as the G mk II but produced after 1945. The headstamp includes G2.
- Cartridge SA tracer .303 inch G mk 2.z
Same cartridge as above, but with a nitrocellulose propellant. The headstamp includes the code G 2 z.
the cartridge showed above is probably produced under contract.
- Cartridge SA tracer .303 inch G mk III
The tracer G mk III was approved for Naval use. It is a brilliant tracer, tracing to at least 800 yards. The headstamp includes G III.
- Cartridge SA tracer .303 inch G mk 3.z
The same tracer cartridge as above, but produced after 1945 and with nitrocellulose as propellant.
- Cartridge SA tracer .303 inch G mk IV
The tracer G mk IV is a short range tracer, approved for Naval service. This is a day tracer, tracing to 550 yards. The bullet was marked with a white bullettip. The headstamp includes the code G IV.
- Cartridge SA tracer .303 inch G mk IV.z
Same cartridge as above, but with a nitrocellulose propellant.
- Cartridge SA tracer .303 inch G mk V
The tracer G mk V is a night tracer with dark ignition. The bullet was marked with a grey tip. The G mk V is tracing to 550 yards.
- Cartridge SA tracer .303 inch G mk V.z
Same cartridge as above, but with a nitrocellulose propellant.
- Cartridge SA tracer .303 inch mk VI
The tracer G VI is also a short range tracer, like the G mk IV, but it uses the trace cannister of a G mk V with the front portion filled with inert material (paper). this bullet was also marked with a white bullettip
- Cartridge SA tracer .303 inch G mk VI.z
Same cartridge as above, but with a nitrocellulose propellant.
- Cartridge SA tracer .303 inch G mk 6
Same cartridge as above, but with produced after 1945
- Cartridge SA tracer .303 inch G mk 6.z
Same cartridge as above, but with a nitrocellulose propellant.
- Cartridge SA tracer .303 inch G mk 7
The tracer G mk 7 is a dark ignition night tracer, tracing to 1000 yards. It was approved for Naval service. The headstamp includes the code G 7
- Cartridge SA tracer .303 inch G mk 8
To improve the muzzle velocity at short ranges the tracer G mk 8 was developed. The bullet has a blunted ogive compared with al the other tracer cartridges. The headstamp includes the code G 8
- Cartridge SA practice tracer .303 inch PG mk I
The practice tracer mk I has a G mk II bullet but with a slightly different tracer composite. The cartridge case was marked with a 6mm wide dark blue band around the lower portion. The headstamp includes PG I
- Cartridge SA practice tracer .303 inch PG mk I.z
Same cartridge as above, but with a nitrocellulose propellant.
