In a trigger system (100) comprising a hammer (110) for firing a cartridge, a striker (120) adapted to accelerate the hammer (110), and a sear (130) for releasably locking the striker (120), which sear (130) can be unlocked by means of a release device (140) capable of being actuated by means of a trigger bar (160) that can be moved by a trigger (150), wherein a front surface (121) of the striker rests against an end face (111) of the hammer for the purpose of accelerating the hammer (110) to initiate firing, protection of the cocked hammer (110) from external mechanical influences is made possible by mounting the hammer (110), the striker (120), the release device (140), and also a main spring (170) adapted to accelerate the striker (120) for rotation about a common principal axis (180).