DRAGON WORKSHOP 120% Reinforcement Recoil Spring for Marui AK GBB

Compared with the original override spring, an increase of 115%-120% of the spring force, so that the recoil force feedback and the overall feeling of more efficient, the operating feel is also more realistic, the material selected high-quality piano wire made of low-temperature annealing so that the spring will not be too brittle and hard, the surface adopts a bead strike to eliminate the stress of the manufacturing process so that the spring is more durable, the normal temperature of 25 ℃ test 8KG (134A) gas can be used normally. Made in Taiwan