Ryohin Buhin Aluminum Bearing and Spring Guide Set (with Piston and Main Spring) for Tokyo Marui VSR-10 CYMA CM701 (M700)

Compatible Models: Compatible with the CYMA CM701 (M700) bolt-action rifle and the Tokyo Marui VSR-10 air rifle. Installation requires knowledge of airsoft gun disassembly and assembly. This spring guide set is compatible with the CYMA CM701 (M700) bolt-action rifle and the Tokyo Marui VSR-10 air rifle. It's compatible with the VSR-10 and requires no modification. This internal part requires disassembly and adjustment of the airsoft gun. Recommended for advanced users. Full Piston with High Airtightness: The full piston with no intake holes provides stable muzzle velocity and excellent airtightness. The piston head features a tapered shape with a protruding center. If you're not using a tapered cylinder head, replace it with the original head. Spring Guide: The spring guide has a narrow guide to accommodate a variety of mainsprings. A bearing is included to distribute the resistance of the spring during compression. [Spring] The included main spring is a high-rate spring designed for overseas markets. If installed without taking measures such as cutting the spring, it will exceed the legal limit. Do not use it as is. Cut the spring and adjust it to the appropriate initial velocity, or purchase a separate spring.