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RA-Tech Negative Pressure Air System NPAS for Tokyo Marui / WE Gas Blowback Pistols and WE Open Bolt Rifles

ID: 34200 (RAG-WE-026)
RA-Tech/Maple Leaf (AST)34200
Evike.com
4.8 stars, based on 9 reviews
RA-Tech Negative Pressure Air System NPAS for Tokyo Marui / WE Gas Blowback Pistols and WE Open Bolt Rifles
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$20.00

With the NPAS kit, it will be much easier to lower / raise FPS on your gas gun.

Features :
- Full Metal Construction
- Adjustable Muzzle Velocity / FPS
- Durable Rubber O-rings Installed
- For Marui / WE Tech GBB Pistols and WE Tech Open Bolt GBB Rifles


Note: Modification required. Please use discretion when installing custom parts as compatibility and fit may vary.

9 Customer Reviews

(Write a review)

by Krishna H. on 07/13/2017
"Works great in my WE-Tech M9 Beretta for lowering the FPS. No problems in ~6-7 sessions so far.
by Brian W. on 04/30/2017
"Installed this in the WE M4A1 Open Bolt. It's great. Wasn't a hard install. (Thanks to a YouTube video by a guy in Britain. It has no included instructions.) Took about 20 minutes to a half hour to install, with just a couple of standard tools. Was able to adjust FPS down to the high 200s with .25s so it was legal at my local indoor venue. It also stabilized the FPS, bringing it to a variance of 15 FPS between shots from the previous 40 FPS variance.
by Christian T. on 02/10/2017
"Doesn't come with any installation instructions; you'll have to plan accordingly.. there are youtube videos out there showing how to install this, and it isn't hard to do. There's no cutting or dremeling like some people say- it's merely swapping one small valve for another- but you need to strip down the bolt completely to access it. Took me about an hour to do, and it shoots fine so far.

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