CNC Aluminum Adjustable Floating NPAS Valve for VFC GBBR Series
CNC Aluminum Adjustable Floating NPAS Valve for VFC GBBR Series
Adjustable Floating Nozzle Valve for VFC GBBR Type
Including 1x M3x8 grub screw
Newly improved design of one additional fixed o-ring to ensure the tight sit of the grub screw
Compatible UMAREX VFC GBB Models:
- HK416D/A5
- HK417/G28
- M4/AR15
- BCM
- SR25
- SCAR H
- MP7
- G36
Main Material: T6 Aluminum
Production Method: CNC
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There was no fixed o ring and that wasn’t even the worst part the grub screw striped it self out of the valve after a few shoots. Installed it and took 4 shoots through the chronograph and it worked but the 5th shot it’s was shooting hot. Looked in the bb catcher and there was the grub screw. A little bit disappointed as I ordered the back plate for the mp7 and that was flawless.
I used this on my MP7 and the o-ring and adjustment screw ejected from the muzzle on the first use.
The O-ring was simply poorly glued on and held in place very poorly.
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Purchased 4x of these tp install on several builds. As one of the reviews stated' the QC is inconsitent. 2 of the 4 orings detatched during adjustment. overall quality of the NPAS is 8/10. Had to drill and epoxy a M3 locking nut into the NPAS to work as stabel grub screw holder on the other 2.
If your looking for a simple solution to your vfc m4 gbbr fps issues then look no further than the awesome cnc aluminium npas from Clutch Precision, steady fps, minimum drop off and outstanding reliability.
NPAS had metal burrs on some edges and too much glue on the o-ring. The set screw also loosens under use, the o-ring does not sufficiently keep it in place.