Weights
You are trying to preempt my Part 2 book!
However, here are the details for ball rounds.
All .303 ball had cupro-nickel (CN) envelopes until about 1943 when gilding metal (GM) began to be used extensively. After that they could be CN, GM, CNCS or GMCS.
All ball rounds from Black Powder Mark I to Cordite Ball Mark VI weighed 215 grains. Mark VII was 174 grns and Mark VIIIz was 175 grns.
Short Range Mark I was CN and 150 grns
Short Range Mark II was CN and 188 grns
Short Range Mark III was CN and 188 grns
Short Range Mark IV was CN and 188 grns
Lead bulleted training ammunition.
Canadian Powder Mark I, 90 grns
Canadian Smokeless Mark I, 90 grns
Canadian Smokeless Mark II, 125 grns
India Pattern Mark I, 96 grns
There were also a number of experimental British lead bulleted training rounds of various weights but none were approved for service.
I cannot post all the bullet details of the other 100+ marks of .303 here, it would take too long. Sorry. but you will have to wait for the book!
Regards
TonyE