Pointman PUG Posted July 16, 2013 Share Posted July 16, 2013 I'm just wondering how much power an M105 spring will give.... I'm currently chronoing at 320 on an M100? Any ideas folks? Link to comment Share on other sites More sharing options...
diamond-geezer07 Posted July 16, 2013 Share Posted July 16, 2013 About 360 fps if Google's to be trusted, hope this helps fella Link to comment Share on other sites More sharing options...
CES_williamson Posted July 16, 2013 Share Posted July 16, 2013 I'm just wondering how much power an M105 spring will give.... I'm currently chronoing at 320 on an M100? Any ideas folks? use the af-uk app it has a fps suggester so what every fps you are hoping to achieve it will tell you what spring to use Link to comment Share on other sites More sharing options...
Supporters Airsoft-Ed Posted July 16, 2013 Supporters Share Posted July 16, 2013 The M rating of a spring is what it ought to give out in metres per second. Though it's only a rough guide, as there are numerous things that can alter it, such as the efficiency of your gearbox with regard to air seals, as well as your hop unit's air seal and also your barrel length and bore.Easiest way to work it out is to times the value of the spring by 3.3, as there's more or less 3.3 feet to 1 metre. So an M105 would give you something in the region of 340-50fps, give or take about 20 either way, to account for all the variables. Link to comment Share on other sites More sharing options...
Mack Posted July 17, 2013 Share Posted July 17, 2013 As ed said there are a lot of variables, I'd expect it to bring you up to 340 if your at 320 already. I'm getting 340 on an m90 on my g&p mk18 Link to comment Share on other sites More sharing options...
Pointman PUG Posted July 18, 2013 Author Share Posted July 18, 2013 Cheers guys....can anyone recommend a brand? Link to comment Share on other sites More sharing options...
fivezerothree Posted July 18, 2013 Share Posted July 18, 2013 Cheers guys....can anyone recommend a brand? I cannot. But just incase your gun ends up being hot why not invest in a sorbo pad? I'd like anyone elses experience/knowledge but that should reduce and perhaps compensate for any FPS increase you may have whilst protecting your gearbox. Link to comment Share on other sites More sharing options...
CES_williamson Posted July 18, 2013 Share Posted July 18, 2013 well a brand? i have had my systema spring i bought off here in my gun for a while and it is still going strong ! Link to comment Share on other sites More sharing options...
Supporters Ian_Gere Posted July 19, 2013 Supporters Share Posted July 19, 2013 Element do a 105 and you can buy it from Bullseye although i think i bought mine from their amazon store. It was free shipping on amz so bear that in mind. Can't give you any definite results b/c i haven't chrono'd a gun with it yet. My experience has been that a jump of 10 in a spring equates to about 30FPS, so a 105 ought to be around 345, but as has been said, it's also about seals and barrel... Link to comment Share on other sites More sharing options...
jervase Posted July 22, 2013 Share Posted July 22, 2013 It depends on your rifle to I got a m105 and I'm at 340 Fps with a m4 a m110 would shoot you above the 350 Fps Which is above most skirmish sites limit which is 350 on most sites I have been to Link to comment Share on other sites More sharing options...
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