For those who have been waiting for this improved gas magazine for the KSC/KWA MP7 Gas Blowback from Angry Gun, it's now available at eHobby Asia for US$40.00... "Angry Gun did make some improvement on it, They have adjust the flow of the gas and manage to tweek the feeding lip a bit so it feeds a lot smoother.

Angry Gun MP7 Performance Enhanced Gas Magazine

• Full Metal Made
• High Flow Valve (Upgraded Magazine IP Gas Seal)
• Design for Umarex / KSC / KWA MP7A1 Airsoft Gas Blowback Sub-Machine Gun
• Long Type 40 Rounds Loading Capacity"