Dragon Workshop 120% Reinforcement Recoil Spring For Marui TM AK GBB
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Package Included: 
- 5KU M4 / AR Pistol Grip Adapter for GHK AK GBB
Compared to the original override spring, the upgraded spring provides a 115%-120% increase in spring force, resulting in a more efficient recoil force feedback and overall improved performance. The operating feel is also more realistic. The spring is made of high-quality piano wire that undergoes low-temperature annealing to prevent brittleness and excessive hardness. The surface is treated with bead strike to reduce manufacturing stress, ensuring durability. It can function normally with 8KG (134A) gas at a temperature of 25°C. 
Made in Taiwan
- Vendor Dragon Workshop
 - SKU DW-TM-001
 
Disclaimer: Upgrading airsoft guns require necessary skill & technique, manual modification is necessary, consult expertise if needed.
