Ra-Tech - NPAS Kit for TM MWS

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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 Install ed- 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. Show more