Revanchist Stainless Steel Hammer Spring Housing Set For Marui TM Hi-Capa series

-Stainless Steel Constructed Hammer Housing 
- 47g Heavier Than Original Marui Housing 
- Lower Central Gravity to the Grip Module, Providing Extra Stability 
- Improves Overall Performance
- Comes With 80% Hammer Spring 
- Compatible With Tokyo Marui TM Hi-Capa GBBP Series