The A+ Studio MP7 Bucking is an improved hop up bucking, or chamber packing, that is compatible with all NS2 GBB airsoft guns. The A+ Studio Bucking was designed for use with KWA MP7 or MP9 SMGs.
The V-Notch style bucking is intended to improve accuracy by centering the BB on the bucking. The design will also fit KSC System 7 compatible GBBs.
A+ Studio MP7 MP9 NS2 V-Notch Bucking Features:
-Compatible with all NS2 or System 7 GBB
-Made for MP7 or MP9