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![Professional NBU Tune-up Kit for M16 - M150 [BAAL]](https://airsoftpro.cz/images/stories/virtuemart/product/extended-baal-nbu-set-w-piston-m150-m16-full-2.jpg)
Professional NBU Tune-up Kit for M16 - M150 [BAAL]![Professional NBU Tune-up Kit for M16 - M150 [BAAL]](https://airsoftpro.cz/images/stories/virtuemart/product/extended-baal-nbu-set-w-piston-m150-m16-full-5.jpg)
Professional NBU Tune-up Kit for M16 - M150 [BAAL]![Professional NBU Tune-up Kit for M16 - M150 [BAAL]](https://airsoftpro.cz/images/stories/virtuemart/product/extended-baal-nbu-set-w-piston-m150-m16-full-4.jpg)
Professional NBU Tune-up Kit for M16 - M150 [BAAL]![Professional NBU Tune-up Kit for M16 - M150 [BAAL]](https://airsoftpro.cz/images/stories/virtuemart/product/extended-baal-nbu-set-w-piston-m150-m16-full-1.jpg)
Professional NBU Tune-up Kit for M16 - M150 [BAAL]![Professional NBU Tune-up Kit for M16 - M150 [BAAL]](https://airsoftpro.cz/images/stories/virtuemart/product/extended-baal-nbu-set-w-piston-m150-m16-full-3.jpg)
Professional NBU Tune-up Kit for M16 - M150 [BAAL]![Professional NBU Tune-up Kit for M16 - M150 [BAAL]](/images/stories/virtuemart/product/extended-baal-nbu-set-w-piston-m150-m16-full-2.jpg)
Professional NBU Tune-up Kit for M16 - M150 [BAAL] ![Professional NBU Tune-up Kit for M16 - M150 [BAAL]](/images/stories/virtuemart/product/extended-baal-nbu-set-w-piston-m150-m16-full-5.jpg)
Professional NBU Tune-up Kit for M16 - M150 [BAAL] ![Professional NBU Tune-up Kit for M16 - M150 [BAAL]](/images/stories/virtuemart/product/extended-baal-nbu-set-w-piston-m150-m16-full-4.jpg)
Professional NBU Tune-up Kit for M16 - M150 [BAAL] ![Professional NBU Tune-up Kit for M16 - M150 [BAAL]](/images/stories/virtuemart/product/extended-baal-nbu-set-w-piston-m150-m16-full-1.jpg)
Professional NBU Tune-up Kit for M16 - M150 [BAAL] ![Professional NBU Tune-up Kit for M16 - M150 [BAAL]](/images/stories/virtuemart/product/extended-baal-nbu-set-w-piston-m150-m16-full-3.jpg)
Professional NBU Tune-up Kit for M16 - M150 [BAAL] 
Description
Professional upgrade set with the NBU air set. Include all parts for your succes upgrade. Dedicated for the M16 AEG. Recommended barrel 400-500 mm. Set include:
- Stainless steel cylinder - NBU
- Polycarbonate back pressure silent piston head with the bearing
- Stainless steel cylinder head with double O-rings
- Acetal nozzle with O-ring
- Light polycarbonate piston with the full metal teeth.
- M150 spring
- Stainless steel spring guide with the bearing.
- Hi torque gear set
- Shims and springs set
- Antireversal latch with the spring
- Tappet plate
BAAL
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