kevshin21 Posted November 3, 2006 Report Share Posted November 3, 2006 hey guys I gotta question, My m4 has full upgrades (the works) and its shooting too hot witha m120, so in order to let me play cqb i need to water it down to 350 fps. My problem is that a m100/110 was installed on it and its still shooting 380! what do i do now? currently i just put back the stock spring which shoots around 300 Link to post Share on other sites
farewell_red Posted November 3, 2006 Report Share Posted November 3, 2006 I know this isn't quite the advice you're looking for, but 300 fps is plenty for CQB, and will only make things safer for those on the receiving end. Link to post Share on other sites
Md0ggyd0g Posted November 3, 2006 Report Share Posted November 3, 2006 Did you break the new spring in (yes, a simple question but sometimes people are too anxious to start shooting again). Other than that maybe take off the TB (assuming you have one) for CQB, since it's not really needed. Link to post Share on other sites
msx361 Posted November 3, 2006 Report Share Posted November 3, 2006 Try a 1J/M90 spring Link to post Share on other sites
Xaccers Posted November 3, 2006 Report Share Posted November 3, 2006 Try turning the spring around, that can drop fps a bit. If you've got a bearing piston head and spring guide, replace the spring guide with a stock one. Link to post Share on other sites
Stealthbomber Posted November 3, 2006 Report Share Posted November 3, 2006 If you've got a fully upgraded gun then your best bet would be to leave it set up for woodland and buy another gun for CQB. You'll wear stuff out, strip screws, lose/break parts and get it more dirty, by continually swapping the springs. Unless it's an ICS or Systema M4 that is. Link to post Share on other sites
master_titled Posted November 3, 2006 Report Share Posted November 3, 2006 What about the Tokyo Marui Muzzle Velocity Reduction Adaptor? That may work... Link to post Share on other sites
[BS]_MARS Posted November 3, 2006 Report Share Posted November 3, 2006 A velocity reducer keeps all the stress of a higher spring while shooing lower. Just go to a m90. Link to post Share on other sites
poorieuser Posted November 3, 2006 Report Share Posted November 3, 2006 Why'd you upgrade it so much if it was for CQB? Aren't most Stock CQB guns right around 300-330fps? Link to post Share on other sites
sirrith Posted November 3, 2006 Report Share Posted November 3, 2006 maybe because it wasnt used for CQB when he upgraded it the first time try a KA m110 or if you have a tightbore, try a KA m100 or you could go for a PDI 120% Link to post Share on other sites
kevshin21 Posted November 3, 2006 Author Report Share Posted November 3, 2006 yea it was for woodland at first. But since good places are closed and a cqb area is close to be I have no choice. I have been thinking about getting another gun though but we will see, and sirrith I do have a tightbore and tried a KA m100 it shot 380... edit: also the TM reducer is not allowed in cqb area beacuse its not effective in full auto fire. Link to post Share on other sites
squeeky Posted November 3, 2006 Report Share Posted November 3, 2006 Whats a m100/110? never knew springs come in fractions. But anyways...find out exactly what spring you have, including the company that makes it. Then come back and ask again. Systema m100, KA m100, KA m110, Prometheus ms100sp, Prometheus ms110sp, guarder sp100 all shoot at different velocities ranging between 336-387fps. Link to post Share on other sites
sirrith Posted November 3, 2006 Report Share Posted November 3, 2006 so its shooting 380 with both the KA m110 and the KA m100? mispackaged spring perhaps? try a guarder SP90 then, thats cheaper than buying another gun, and at least you'll have more power options in the future Link to post Share on other sites
kevshin21 Posted November 3, 2006 Author Report Share Posted November 3, 2006 do you guys think i should just stick back the 400 fps spring back in and get the x-factor s-system for cqb? you know the MPEG from the TM copies thread? Link to post Share on other sites
sirrith Posted November 3, 2006 Report Share Posted November 3, 2006 if you have the money, i dont see why not Link to post Share on other sites
Tommygunn Posted November 3, 2006 Report Share Posted November 3, 2006 My Systema 1J spring gives me a perfect 328fps. Link to post Share on other sites
***Ice*** Posted November 3, 2006 Report Share Posted November 3, 2006 M100 aren't universal, for example Guarder springs are very powerful for their ratings, I had an M15 give out 3*0 with a Guarder SP100, and my mates G3 is doing the same. Prometheus springs are weaker I find, try a Prometheus MS100, also are you using a bearing spring guide/piston head? If you're still too hot replace the bearing in the piston head with a washer and screw. Ice Ice Link to post Share on other sites
squeeky Posted November 3, 2006 Report Share Posted November 3, 2006 M100 aren't universal, for example Guarder springs are very powerful for their ratings, I had an M15 give out 3*0 with a Guarder SP100, and my mates G3 is doing the same. Prometheus springs are weaker I find, try a Prometheus MS100, also are you using a bearing spring guide/piston head? If you're still too hot replace the bearing in the piston head with a washer and screw. Ice Ice <{POST_SNAPBACK}> I think we already covered that. Link to post Share on other sites
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