straffham

Did you get a gun sorted?

If you're not happy dismantling the gearbox you could try filing the air nozzle down a fraction to reduce the air seal?

On the plus side at least the Star/Ares receiver/trigger guard look right unlike the compromised CA/ASG/King Arms versions . . . often quoted Star/Ares "looks nice, doesn't work" syndrome I take it? Still, if you get rid gimme first refusal please lol

Decent Brit Army full length L1A1 SLR (as the old Star one seems to have disappeared . . . why are there so many shorty/tactical FAL SLRs being made these days and no old school full length ones??????!) FG42 WW2 german AEG

My Cyma M16A3 (CM009 as they call it) has a standard 14mm -ve thread . . . . . . .

cheers for that. I'd thought of looking at the hammer spring but my concerns would be that CO2 mag valves are under more pressure than a standard green gas valve so need a good "kick" to open them. Also even if it worked it would reduce gas to the blowback mechanism as well as to the BB so may not cycle as fast or even cycle fully at all? However I have now sorted it by drilling 2 holes 1.6mm right through the air nozzle at 90 degrees to each other in an X when viewed from front of the bolt (on the wider part behind the air seal/neck that sits in the HOP chamber) which has made all the difference. This requires a full stripdown of the bolt to remove the air nozzle, and careful cleaning of the air nozzle to remove plastic swarf so I wouldn't recommend to anyone not familiar with working on GBB's. Gun now fires around 330FPS so skirmish friendy, and the blowback is as good as it was before. Happy days! I have become aware of a UK retailer who can sell the Mini Uzi pre downgraded to around 315FPS via a slightly more refined method than mine. Not sure on price. PM me for details in first instance and I'll put you in touch.

About 5 FPS tops! I gradually drilled out from 0.5mm to 1.5mm with no appreciable difference, on opposite sides of the nozzle (I'm informed only drilling one side will make the BB curl in flight, something to do with the physics of gas flow through the nozzle). I had considered trimming a fraction off the HOP end of the nozzle to reduce the air seal but am loathe to do that except as a last resort.

Recently got hold of the new CO2 powered Cybergun "Swiss Arms Protector" (ie Mini Uzi). It is a fantastic "grin factor" GBB gun, very solid, heavy, fast and loud, especially on full auto and shoots straight for a good 60m. However it is a little too "hot" to skirmish with at around 380FPS on 0.2g BB's. Question is, is there a proven way of reducing the velocity on CO2 guns? The mechanism is essentially the same as a GBB pistol, with a floating valve which allows the shot to fire before the mechanism recoils in a heavy metal "bolt". I was advised by someone who uses CO2 guns that drilling a 1mm hole through the air nozzle would do the trick as it would bleed some pressure off. However this has made negligable difference, and I don't want to end up with an air nozzle looking like swiss cheese as getting a replacement will probably be nigh on impossible. Anyone know any surefire way of slightly reducing power to the BB but NOT affecting the blowback performance?