Airsoft Canada - View Single Post - Modify srock Systema cylinders (M90, M150, etc)

mcguyver · October 17th, 2007, 20:38

The springs inside PTW cylinders are not compatible with standard AEG springs. The diameter of PTW springs is smaller.

You can get a spring for an APS and cut it down to make custom velocities. SBranson23 has done just that. Perhaps he'll chime in here and give you the details.

But for CQB, my M90 shoots 285 fps with 0.25g BBs, so you should be fine with 0.20g.

October 17th, 2007, 20:38	#3
mcguyver Trader rating Join Date: Aug 2005 Location: Northern Alberta	The springs inside PTW cylinders are not compatible with standard AEG springs. The diameter of PTW springs is smaller. You can get a spring for an APS and cut it down to make custom velocities. SBranson23 has done just that. Perhaps he'll chime in here and give you the details. But for CQB, my M90 shoots 285 fps with 0.25g BBs, so you should be fine with 0.20g. __________________ Age verifier Northern Alberta Democracy is two wolves and a sheep discussing what's for dinner. Freedom is the wolves limping away while the sheep reloads. Never confuse freedom with democracy.