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 KJW MK1 Carbine under 400 fps?

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OneFuzzyBrain
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PostSubject: KJW MK1 Carbine under 400 fps?   Sat Aug 29, 2009 4:27 pm

hey guys, i am trying knock down my kjw mk1 carbine to be at a playable 400 fps (or slightly below). Right now my gun is using stock parts and green gas and I am shooting at 475 fps (with .28 gram pellets). I initially wanted to buy duster gas but I wasn't able to find any on the website I initially bought my gun on. My next step is to buy a chronograph and duster gas and see what my gun shoots at, but I'm sure it will still be above 400 fps. I was curious if anyone here has a kjw mk1 carbine and has been able to get it's fps to adhere to typical airsofting fps limits for a semi auto gun (I am assuming the typical fps limit for a semi is 400 fps, since that's what the rules were last time I went airsofting w/ random players (I haven't been airsofting much)). I really like my gun and I am looking to mod it until I can use it in airsoft games. Last time I went airsofting I was forced to use my pistol because I was over the fps limit. Any info would help me greatly.

I think I read somewhere online about a person who owned the same gun was able to regulate his fps using a "regulator". I haven't been able to figure out what this is, but I am definetly interested.
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white wolf
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PostSubject: Re: KJW MK1 Carbine under 400 fps?   Sat Aug 29, 2009 4:32 pm

yeah, there is a regulator, also I havn't been able to find one!
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PostSubject: Re: KJW MK1 Carbine under 400 fps?   Sun Aug 30, 2009 2:26 pm

I have also been looking for a silencer for my carbine, just to add a little more interest in it's look. I don't know much about threading or how to mod my carbine to use one, so I have been looking for some sort of silencer kit which will give me all that I need to add a silencer to my gun. I haven't had much luck with that. The only thing that I have found related to a silencer and the kjw mk1 is an adapter, which can be found on this German website

http://hardballshoppen.dk/product_info.php?products_id=10433

That doesn't exactly help me out too much though since I can't read anything.
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white wolf
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PostSubject: Re: KJW MK1 Carbine under 400 fps?   Sun Aug 30, 2009 3:12 pm

well, if all else fails ya can use pvc and cardboard

but what do you need?
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PostSubject: Re: KJW MK1 Carbine under 400 fps?   Mon Aug 31, 2009 2:46 pm

well, that's the problem, i'm not exactly sure what I need. I will look in to it though, thanks for the help. I am not desperate enough for a silencer to make a cheesy cardboard silencer. If i am going to do it, I am going to spend the money for exactly what I want and do it right.
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PostSubject: Re: KJW MK1 Carbine under 400 fps?   Mon Aug 31, 2009 3:49 pm

duster gas will bring it well below 400 fps with .28's.....
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PostSubject: Re: KJW MK1 Carbine under 400 fps?   Mon Aug 31, 2009 3:51 pm

Shocked that answers one of the questions, the scilencer still remains
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PostSubject: Re: KJW MK1 Carbine under 400 fps?   Mon Aug 31, 2009 5:29 pm

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PostSubject: Re: KJW MK1 Carbine under 400 fps?   Mon Aug 31, 2009 6:50 pm

not to be a dick but...you don't got it! XD
\

they don't work and are illegal on some fields....like i said use duster gas and 2.8's or 25 and your golden..
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PostSubject: Re: KJW MK1 Carbine under 400 fps?   Mon Aug 31, 2009 7:17 pm

they are illegal??
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PostSubject: Re: KJW MK1 Carbine under 400 fps?   Mon Aug 31, 2009 10:44 pm

you guys are awesome. I would think that the adapter would probably be illegal on some fields because it would allow the player to chrono the gun prior to the game at a low, playable velocity, and then once on the field the player could crank up the velocity and nobody would know any better since they think he is shooting at a lower fps. It would be an asshole thing to do, but it seems to me that the rule might be for that reason.
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PostSubject: Re: KJW MK1 Carbine under 400 fps?   Tue Nov 17, 2009 11:20 pm

easy to do, if you don't mind it being there permantly, do this.
https://www.youtube.com/watch?v=HYvsFJG78f4
but instead of putting a BB there, cut some of the spring off, just a little bit, not even half a loop, and then chrono it, keep going until you hit the lowest you want, you can always put it back up by putting something in there with it.
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PostSubject: Re: KJW MK1 Carbine under 400 fps?   Tue Nov 17, 2009 11:31 pm

cool, i didn't even consider doing that. It does make sense though, since you can increase the fps by adding a pellet under the spring, then that means cutting off part of the spring and decreasing the pressure will do the exact opposite, and lower the fps.
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PostSubject: Re: KJW MK1 Carbine under 400 fps?   Tue Nov 17, 2009 11:34 pm

Ive done it, used to shoot at a cool 760 fps with .2s, now its RIGHT on 550. And now you can use green gas, there is one side effect though, crazy gas effenciancy cheers
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