I simplify this below:-
Anshuzt rifle -10 (14)
Pargeter rifle - 14 (10)
Police issue weapon - 1
Of course, because of the need to convert the police issue bullet into a batch of ammunition purchased by Neville Bamber, the actual ratio, reads as follows:-
Anshuzt rifle (15)
Pargeter rifle (10)
There existed at the time the matter came to trial, 25 spent bullet cases attributed as having been loaded, fired and ejected via the anshuzt rifle, and 14 spent bullet cases which had been loaded into the Pargeter rifle, fired and ejected - and a spent bullet case fired from a police issue weapon...
The 14 original spent bullet cases which had been loaded and fired from the Pargeter rifle, were retained at the Lab' under an exhibit reference MDF/100, and the police issue spent bullet case was retained separately by the police. These were replaced with 15 test fired bullet cases, which when added to the 10 bullet cases loaded, fired and ejected via use of the anshuzt rifle totalled 25..
5 of the 10 bullet cases which had been loaded and fired from the anshuzt rifle, had double magazine markings on them, suggesting that at some stage 5 rounds had been either loaded into the magazine of the anshuzt rifle, or another magazine to another gun, removed and subsequently reloaded into the magazine of the anshuzt rifle, before being fired, extracted and ejected..
I strongly suspect that at least another 4 test fired bullets were introduced into the makeshift batch of crime scene ammunition, which were test fired via the anshuzt rifle, bringing the total number of bullets used in a substitution procedure to 5 in total which enabled the ballistic expert to link 15 bullets as being fired using the anshuzt rifle, leaving 10 others unclassified...