The real thing relies on the firing pin to activate the gunpowder in the bullet, then launches it.
It's impossible to achieve this with toys, so you need energy to hit toy water bombs or other toy eggs. The air volume comes from the motor and the pneumatic cylinder. Nowadays, the mainstream is the gearbox. The manual is also a gearbox, but without the engine.
Not good.
It is recommended to replace the simplest spring first. If you want to replace the unequal spring 1.4, it is better to change the gear. The airtightness of the dagger itself is pretty good, and the airtightness is quite difficult to study, so you can try it first.
It is better to replace the aluminum tube, because the upper screws are usually inserted into the aluminum tubes. Top screwing is a necessary and simple thing, butis it is not suitable for inserting the original plastic tube (it can be inserted if). it's really necessary). If you are using milky white reinforced elastic, you may want to consider ordering a thinner aluminum tube.