Description:
Will fit Western Arms M4 gas blow back series.
Weight: 90g
Material: Steel
Hardness: HRC 40ﾟ(Sear set,Trigger,Hammer,Bearing Hammer)
Included:
-Burst Sear set
-Burst Sear Spring
-Burst Trigger
-Burst Trigger pin
-Burst Hammer
-Burst Hammer spring
-Burst Hammer lock
-Burst Hammer lock Pin
-Burst Hammer lock Shim
-Burst Selector Pin
-Burst Bearing Hammer
Note: Install this part for the gun , the full suto function will be charged to three burst.
