Spring BASR Slam-Firing

When you pull your spring rifle bolt back, normally piston with catched by trigger assembly sear, and will only release when you push the trigger.
But sometimes after you pull the bolt back, piston fail to catch and the spring pushing the whole cylinder to the front, thus you can`t shoot normally.

Here are checklist of possible problem and it`s solution, (sorted from the most common).

1.
Problem:
Piston end wear out (happens on stock piston), this usually after prolonged use of the rifle, moreover with higher powered springs.

Solution:
Get replacement/ aftermarket piston.


2.
Problem : 
Loose screw between receiver and trigger box.

Solution: 
Tighten all screw.


3.
 Problem : 
Worn out trigger sear.

Solution: 
Replace Trigger sear/ the whole trigger system if possible.


4.
Problem :
Missing cylinder ring (on VSR there are 2 white plastic rings located inside receiver, 1 ring on TYPE96 model) the ring serve as spacer between receiver and cylinder, without these ring, cylinder will wobble inside the receiver.

Solution: 
Try to find it, they are rarely can be found anywhere!. Or you can make one with delrin rings.