I have 2 of those to sell (Price is NOT negotiable)
For VFC All Version AR / M4 / VR-16 GBB series use.
For MARKSMAN K1A GBB.
To compatible with VFC V2 Knob adjustment HOP-UP system, need to use VFC opening base outer barrel (or barrel base part)..
● Product Brand : VFC (Taiwan)
● VFC Original Parts
● Material : Alloy, Rubber, Polymer
Features :
● The newly-added steel ring design and the one-piece steel pressing plate greatly improve the efficiency.