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RA-Tech WE M4/M16 nozzle

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Old July 23rd, 2012, 20:52   #46
TPM001
 
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Thanks Turok! I look forward to seeing what can be done.
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Old August 14th, 2012, 20:13   #47
Ross
 
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Anyone know where i can buy this? everywhere is out of stock.
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Old August 14th, 2012, 20:15   #48
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Quote:
Originally Posted by Ross View Post
Anyone know where i can buy this? everywhere is out of stock.
Garrison airsoft if I'm not mistaken
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Old September 2nd, 2012, 20:29   #49
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Hey, where did you buy it? I am looking for one.
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Old September 2nd, 2012, 20:45   #50
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Got mine at airsoftparts.ca
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Old September 4th, 2012, 13:33   #51
SF_Chewy
 
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Just to add some things about this nozzle.

I've been tinkering a bit with mine since I got mine from Garrison. In the beginning I was having a load of issues with velocity fluctuations. When I disassembled the nozzle from the bolt carrier, I realized that the tail of the NPAS was screwed so tightly on that when I attempted to increase/decrease velocity it would just unscrew the piston head instead of the NPAS. Referring to TPM001's pic on the third page it is the part with the larger o-ring located at the rear of the nozzle with the NPAS tail. I had to remedy this by locktiting the threads on the piston head to keep it in place while I adjusted the NPAS. Unfortunately the small grub screw didn't hold it in place as well as I thought it may, so this was my only solution.

If your nozzle does the same thing as what mine did, a tell-tale sign is that your bolt no longer fits properly in your receiver as it protrudes out the back of the upper receiver and catches on the buffer tube. This is caused by the piston head unscrewing and seating the entire nozzle further forward than usual. You can also check by pulling the nozzle until you can see that the piston head is seated properly in the nozzle body (ie. no gaps).

One last thing I had to do was sand/file done the edges on the lower half of the bolt carrier as it chewed an o-ring. Only took a bit of sanding to smooth out the lower edges so that wouldn't happen again. I only took fine grit sand paper and smoothed out the edges, I didn't sand any of the internal where the nozzle sits. This was on a stock bolt carrier.

Hope this helps somebody.
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Old September 4th, 2012, 18:02   #52
Ross
 
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After playing with this ratech bolt I noticed a gas efficiency problem. I can go through about 20 rounds and then I'm out of gas. This is using a brand new propane tank in 24 degree weather. I noticed when the gun is firing, a lot of propane is released out the dust cover. Like way more than normal. I'm guessing the slower cycling keeps the magazine valve open longer? I do not have this problem when i throw in the stock bolt and nozzle.


Also my fps is very stable. I shot 349.5 fps 6 times in a row and then it dropped to around 330. Which is exactly what i wanted. Although when I went to adjust higher, it seemed to make no difference. All the way clockwise and all the way counterclockwise and anywhere in between yields 340 fps.
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Old September 9th, 2012, 23:22   #53
shootersaber
 
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Originally Posted by Ross View Post
Anyone know where i can buy this? everywhere is out of stock.
They have it!!!
http://www.tokyo-model.com.hk/
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Old September 26th, 2012, 00:33   #54
DAS BOOT
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HELP!!




The tip came off while adjusting the FPS. Can anyone help?
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