Thread: Suppressors - Am I missing something

Got me interested, the physics is quite simple, so I measured one of my rifles and its supressor. (Its blowing a gale and raining sideways, all empty cases are prepped in case tomorrows the same). Bore volume .0000039 cu m, supressor volume .00006 so the supressors volume is 15x that of the bore Boyles law says double the volume half the pressure, so here were increased the volume 4 times. So if the bore pressure was 10,000 psi, it will be around 750 psi with in the supressor. The increase in surface area and the expansive cooling and radient loss of heat in the supressor will reduce the gas pressure further. The ultimate aim being that the gas escapes at subsonic speed and that the moment of recoil is spread over a much longer timeframe making it feel less.
Its a great physics lesson, as conservation of momentum means you cant just make the energy disappear, you just try to get it to do something else.