Redmantoys Airsoft in the Philippines got this video to help guide owners of gas blowbacks fix one of the dreaded issues in gas blowbacks, a gas magazine leak. The video is over 20 minutes and should be comprehensive enough to understand how a gas magazine works and how to maintain it... "Sharing how to fix the gas leaks on Airsoft Gas Blowback Pistol magazines."
Redman Toys Airsoft Philippines tests the WE Glock 17 Custom/Force Series if it's ready for their customers... "Testing the unit that one of our clients ordered. Also giving some info about being careful when buy extra magazines or accesories from other airsoft sellers."