VFC M4 GBB Bolt w/ NPAS Nozzle (v3)

Specifications:
● Product Brand : VFC (Taiwan)
● VFC Original Parts
● Material : Zinc Alloy, Steel, Nylon, Rubber
● Weight : 200g

Features:
● Zinc alloy bolt carrier.
● Steel gas key, nozzle guide, fore block.
● Reinforced steel fore block for durable bolt locking function.
● With new, screw less steel feed nozzle guide.
● With V3 feed nozzle, NPAS adjustable gas flow to allow variable FPS.