Lambda Japan sends in news that their Cylinder Kits for the Tokyo Marui VSR-10 are back in stock... "Today I want to inform the arrival of the Lambda Cylinder Kit for VSR-10. The latest version is processed 'ISONITE' for the surface, get black and durability. We have 2 cylinders,for Marui original trigger (45 deg) and for custom trigger (90 deg). These require the 13mm FAT dia spring.