GTF Kumazawa Reinforced Spring & Miyagawa Rubber Packing Set for TM Air-Cocked Handguns
This product contains 2 sets.
This is a reinforced mainspring specially developed for air-cocking guns, with technical advice from experts at a major spring factory.
It is not simply about increasing power, but is designed with an emphasis on reliability, suppressing stress on the main unit and making it less prone to performance degradation even after long periods of use.
This product comes with a Miyagawa Rubber packing set.
Compatible models: All Tokyo Marui air-cocking handguns