Notify me when this product is in stock
For smoothness, speed and durability
Package Include Steel Hammer x1, Full Stroke Hammer Spring x1, Hammer Bearing x1, Hammer Pin x1, Hammer Pin Fix Coil Spring x3
Suitable for M4 / M16 Series Gas Blow Back GBB Rifle
As always, upgrading Airsoft Gun require necessary skill & technique to dissemble the gun, consult expertise if needed