NOT compatible with VFC/Umarex HK416D GBB, structural interference.

Specifications:
● Product Brand : VFC
● MADE IN TAIWAN
● SKU : VF9-MAG-T91-BK01
● Weight : About 365g
● Magazine Capacity : 30 Rounds
● Bullet : AIRSOFT 6mm BB
● Material : Alloy, Metal, Copper, Nylon, Rubber
● Color : BLACK
● Power Source : AIRSOFT Green Gas

FEATURES:
● Gas magazine for VFC T91 GBB series.
● Enlarges the rear opening of the top cover, to optimize the stability of the bolt catching function.
● With switch-optional blank shooting function.
● Improved gas magazine, light-weight, great performance.