The PTS SideArm Magazine G Style is designed specifically for use with the Tokyo Marui GBB Pistol G-17 Gen 4 style. These 25-round gas magazine support an ambidextrous magazine release, are made of metal alloy with a matte finish, engineered to enhance the performance and durability of your airsoft pistols. Featuring a curve design rubber gas route seal bucking, the G Style magazine ensures an enhanced air seal for optimal performance. Additionally, the wider bbs loading trap makes loading bbs quick and effortless. The PTS SideArm Magazine G Style comes with several notable features. The preinstalled PTS Magazine Basepad for G-Series, specifically designed to mitigate shock and impact, provides added durability. The magazine also includes the preinstalled MEC M-Valve, which increases gas efficiency and facilitates smoother cycling. Constructed with high-strength brass, the MEC M-Valve minimizes gas loss for improved performance. Furthermore, the T8 type 60-degree hardness rubber gas route seal bucking ensures excellent gas sealing functionality. This magazine is compatible with Tokyo Marui G17 (Gen 4) style, PTS ZEV OZ9.