KWA Kriss Vector - RA TECH NPAS Review (CQB FPS downgrade)

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I wanted to get my KWA Kriss Vector down to a CQB friendly FPS.

After looking at the options I decided the RA TECH Negative Pressure Air System (N.P.A.S.) was the way to go.

It was hard to find one but after a bit of searching I found one in stock at http://www.tokyo-model.com.hk. NZ$37.75 and about a week later the N.P.A.S. arrived.

It was relatively easy to install but don't attempt this if it's your first time working on an Airsoft gun.

While the N.P.A.S. has brought the FPS down, it has come down a bit more than what I hoped.

For the chrono tests I used a freshly gassed (Green Gas) mag each time and 0.2 gram MadBull BBs.

For the Grouping test I again used a freshly gassed mag but 0.25 gram (no brand) BBs at 18 metres (about 60 feet).

Links
How the N.P.A.S. works    • RA TECH HOW THE NPAS WORKS  
Purchased from http://www.tokyo-model.com.hk/shop/ra...
KWA Kriss Vector bolt disassembly    • KWA Kriss Vector Bolt Disassembly for RA T...  

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Find out more about Airsoft in New Zealand
Airsoft Sports New Zealand (ASNZ) www.asnz.co.nz
Taranaki Airsoft Rangers (TAR) www.tar.asnz.co.nz


Filmed using an Olympus Stylus SZ-16 at 1080@50fps. Edited with Adobe After Effects CS6.