The specs are:
Chamber: 20cm of 15mm copper
Valve:1/2" qev
Barrel: 1m of 8mm aluminium pipe (6mm id) inside 1m of 15mm copper (which will have hole in aswell)
max operating pressure: ~250-300 psi
silencer length: ~40-60cm of 1.5" pipe
Thanks Alasdair.








