Expertly crafted by FPS Softair, this precision-engineered aluminum ERGAL piston head with bearings is designed for AEP TM airsoft guns (TPAEP). Utilizing dual seals and bearings, this product ensures superior durability and sealing capabilities. The 6 ventilation holes on the front work to enhance airtightness and promote optimal sealing, all made possible by advanced CNC machining technology. The anodized surface provides a sleek finish and desirable performance for Tokyo Marui AEP airsoft guns. Trust this expertly designed piston head to elevate the performance of your airsoft gun.