mafiadragon Posted October 26, 2009 Share Posted October 26, 2009 Hi guys, i need help i have a JG M4 Carbine and i want to upgrade it to about a 400 fps spring, at the moment it crono'd at 300fps, Can u guys tell me what spring would be best and what other parts i would need to upgrade. thanks in advance plz reply craig Link to comment Share on other sites More sharing options...
Supporters Nutster Posted October 26, 2009 Supporters Share Posted October 26, 2009 why do you want/need it to be 400 fps? nutster Link to comment Share on other sites More sharing options...
mafiadragon Posted October 26, 2009 Author Share Posted October 26, 2009 hi thanks for replying, i would like it to be like that to give my gun a bit more "OMPH" . i had just put a Madbull 509mm barrel in it and a systema hop up, and it does not really move far ( i kinda want it to be a sniper m4 ) craig Link to comment Share on other sites More sharing options...
AF-UK Founding Member Deva Posted October 26, 2009 AF-UK Founding Member Share Posted October 26, 2009 I doubt you'd be allowed into many sites with a full auto 400 fps M4 Link to comment Share on other sites More sharing options...
mafiadragon Posted October 26, 2009 Author Share Posted October 26, 2009 Yer i asked the guy that own's or runs ( i think ) Elite Action Games Worthing and he said "along as i have something physicaly stopping the gun from going to full auto im allowed to have up to 400fps on semi auto, but no higher" So does anyone know what i need to upgrade to be safe?? Link to comment Share on other sites More sharing options...
Wolf Posted October 27, 2009 Share Posted October 27, 2009 Yer i asked the guy that own's or runs ( i think ) Elite Action Games Worthing and he said "along as i have something physicaly stopping the gun from going to full auto im allowed to have up to 400fps on semi auto, but no higher" So does anyone know what i need to upgrade to be safe??JG M4, eh? What model? Give me the specific manufacturer code (i.e. BI-3881 for Boyi guns) and I'll tell you what to do Link to comment Share on other sites More sharing options...
Wolf Posted October 27, 2009 Share Posted October 27, 2009 What the heck got messed up with the last post? Whatever... it's readable... Link to comment Share on other sites More sharing options...
mafiadragon Posted October 27, 2009 Author Share Posted October 27, 2009 hi, erm in not to sure if this is right but this is the only set of numbers i could find: NO.6604 just to say this gun was once 2 tone Link to comment Share on other sites More sharing options...
Supporters Nutster Posted October 27, 2009 Supporters Share Posted October 27, 2009 take/find a picture of it, or even better a link of where you got it from, either of which should help to narrow down which model it is nutster Link to comment Share on other sites More sharing options...
mafiadragon Posted October 27, 2009 Author Share Posted October 27, 2009 this is the website i got it from http://www.actionhobbies.co.uk/JG-M4-A1-AE...Tone_AIV4G.aspx craig Link to comment Share on other sites More sharing options...
Wolf Posted October 28, 2009 Share Posted October 28, 2009 this is the website i got it from http://www.actionhobbies.co.uk/JG-M4-A1-AE...Tone_AIV4G.aspx craig Well... just get the spring I suppose your gun has 330 FPS because it's adjusted to the laws/rules in UK. Thankfully, I don't have such problems and had tested the same model shooting at 430 FPS (stock in Poland), also tried it on a M150 spring at time. And it lasted. Anyways, the model's the same, so it seems they just changed the spring - I doubt they'd put in another gearbox. And remember: JG guns are tough. Real tough. ###### tough. John Rambo-type tough Link to comment Share on other sites More sharing options...
mafiadragon Posted October 28, 2009 Author Share Posted October 28, 2009 ok thanks for ur time craig Link to comment Share on other sites More sharing options...
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