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![NPAS kit for Marui / WE GBB rifles and pistols [RA-Tech]](https://airsoftpro.cz/images/stories/virtuemart/product/ra-tech-npas-kit-for-we-gbb-m4-pdw-m14-g39c-scar-l85-hk416-p90-3.jpg)
NPAS kit for Marui / WE GBB rifles and pistols [RA-Tech]![NPAS kit for Marui / WE GBB rifles and pistols [RA-Tech]](https://airsoftpro.cz/images/stories/virtuemart/product/ra-tech-npas-kit-for-we-gbb-m4-pdw-m14-g39c-scar-l85-hk416-p90-2.jpg)
NPAS kit for Marui / WE GBB rifles and pistols [RA-Tech]![NPAS kit for Marui / WE GBB rifles and pistols [RA-Tech]](https://airsoftpro.cz/images/stories/virtuemart/product/ra-tech-npas-kit-for-we-gbb-m4-pdw-m14-g39c-scar-l85-hk416-p90-1.jpg)
NPAS kit for Marui / WE GBB rifles and pistols [RA-Tech]![NPAS kit for Marui / WE GBB rifles and pistols [RA-Tech]](/images/stories/virtuemart/product/ra-tech-npas-kit-for-we-gbb-m4-pdw-m14-g39c-scar-l85-hk416-p90-3.jpg)
NPAS kit for Marui / WE GBB rifles and pistols [RA-Tech] ![NPAS kit for Marui / WE GBB rifles and pistols [RA-Tech]](/images/stories/virtuemart/product/ra-tech-npas-kit-for-we-gbb-m4-pdw-m14-g39c-scar-l85-hk416-p90-2.jpg)
NPAS kit for Marui / WE GBB rifles and pistols [RA-Tech] ![NPAS kit for Marui / WE GBB rifles and pistols [RA-Tech]](/images/stories/virtuemart/product/ra-tech-npas-kit-for-we-gbb-m4-pdw-m14-g39c-scar-l85-hk416-p90-1.jpg)
NPAS kit for Marui / WE GBB rifles and pistols [RA-Tech] 
Metal NPAS set (Negative Pressure Air System) with durable o-rings, that allows you to regulate (increase/decrease) muzzle velocity (FPS) of your GBB weapon.
Made for Marui and WE M4 / PDW / M14 / G39C / SCAR L /SCAR H / L85 / HK416 / P90 Series Airsoft Gas Blow Back Rifle (Open Bolt system).
The package contains a key for adjusting the performance.
RA-TECH
was established in 1995. It was original established as supplier for RA-TEC Survival Game Team (IPSC). After twice of expansion and relocation, it is now located at Hualien City, Taiwan. From 2002, RA-TECH started to promote its own products with its design focus primary to meet customer's expectation and demands. RA-TECH focuses on quality upgrade parts, accessories and conversion sets mainly for GBB.
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![WE Firing Pin for WE GBB rifles (except L85)
[RA-Tech]](/images/stories/virtuemart/product/resized/ra-tech-we-firing-pin-for-we-gbb-rifles-except-l85-3_0x200.jpg)
![Steel trigger for WE GBB PDW / M4 / M16 / T91 / HK416
[RA-Tech]](/images/stories/virtuemart/product/resized/ra-tech-steel-trigger-for-we-gbb-pdw-m4-m16-t91-hk416-2_0x200.jpg)