This slingshot (catapult) rifle trigger is the best and latest generation product on Chinese market. It is cut with CNC machine and carefully sanded. The material is hardened/improved titanium steel. It can trig the shot thousands of times without any loosen.
This trigger is the key component of a slingshot rifle. A good one will benefit you achieve shooting accuracy, especially for distance longer than 20 meters. Don´t save money to buy cheap one.
It is compatible for ammo from 7 to 14mm. Just choose the correct size of pouch/bands and catch the ammo to the groove of the pole.