VFC M4 GBB Reinforced Bolt Carrier Group

FOR AIRSOFT USE ONLY!
For VFC M4 /VR-16 /SR-16 GBB series, no version difference.
Compatible with VFC M4 V2 and M4 V3 GBB system.
Required to DIY ability.

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.