Works in VSR-10 rifles and WE/Marui/KJW gas guns. The Super bucking has a narrow entrance for more accurate shooting styles. Good for heavy weight BBs in the .40g+ range.

• Special pressure point geometry reduces inconsistency between shots for more predictable trajectory and longer distances
• C-Clip to enhance lip stiffness for further sealing
• Compatible with old style WE-Tech gas blowback pistol or rifles
• Super bucking works best with heavy weight BBs (.40g+)