VFC Gas Route Seal for M4 / VMAG GBB Magazine

Compatible with VFC 556 style AR (M4 /HK416) GBB series gas magazine.
Compatible with VFC VMAG (V2 and V3), HK416 V2, M4 (new ver. included M4 V2 and M4 V3, 20rds and 30rds style) gas magazine.
Required to DIY ability.

● Product Brand : VFC (Taiwan)
● MADE IN TAIWAN
● VFC Original Parts
● Material : Rubber