I was about to post the data from the British SAC Reports but David beat me to it.
I can add some further details though.
Sjorgren held British Patents 14661/01, 26868/03, 10698/08, 14223/09 and 14926/09.
The rifle tested by the SAC inAugust 1908 was 3’ 9.6" long and weighed 8lbs 10 1/2 oz.
Following the tests, the SAC expressed “considerable interest” and recommended purchase of a rifle. This was not approved but they bought a shotgun instead. This was dismissed by CSOF (Chief Superintendent of Factories) in November 1908 as “highly dangerous”.
I will be at Bisley next week and will see if I can access the archives. They may still have a copy of the 1908 report.
In 1912 the rifle was tested again. The Director of Artillery asked Vickers to test the rifle and they reported back via CISA on 26th April 1912.
This rifle was the same length and weight as the earlier example but was in 7mm calibre (presumably 7 x 57mm) with a 154grn pointed bullet and a charge of 51.9 grns NC. V90 was 2689 fps and V500 1702 fps. The rifle had a 4 groove RH twist.
The serial numbers of the two rifles tested by Vickers were 22 and 23 so we know at least that many were made.