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Adjustable FPS for KJW M4 VERSION 2 for 5 bucks.

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Old June 23rd, 2012, 17:03   #1
daishi
 
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Wink Adjustable FPS for KJW M4 VERSION 2 for 5 bucks.

**This is for version 2 KJW m4's, Has not been tested on a version 1**


So everyone uses either the npas from RA-Tech or the Cradle Airsoft Velocity Reducer to lower their fps. What if I told you could do it for 5 bucks?

All you have to do is contact the owner of the Cradle Airsoft and ask to purchase just the spacers. You do not need the floating valve or the O ring. You should be able to get a pack of 5 spacers from him shipped to your door for 5-10 dollars.

All you do then is pop out the stock valve and the O ring that is on it and put the spacers on the stock valve and then replace the stock O ring and youve got an adjustable FPS.

If you use the actual Floating Valve for 45 bucks from Cradle your fps without any spacers will be around 289 fps on .20's. The O ring for the Version 2 is also to large and gets snagged alot and will tear itself apart. This is why you use the stock O ring.

With the stock valve and three spacers (one small two big), your fps is 340 fps. With two big your fps is 380, and with one big your fps is around 430 ish.

Hoped this helped save you some money!
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Old June 24th, 2012, 11:04   #2
audi_bhoy
 
Join Date: Mar 2009
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Nice to know, I had experienced that earlier, but I was feared that the O-Ring flyes away... My friend is currently working on aluminium valves designed on the stock valve but with different hole sizes...
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