Delta Aluminium Pistol trigger is a drop-in replacement for your OEM trigger. The flatter face of the trigger allows self-correcting press. The AP trigger may improve your trigger press. KIT Includes:- aluminium trigger, - aluminium trigger safety, - trigger safety spring, - trigger bar Fits to: Delta Gen.1, Delta Gen.2 M, Delta Gen.2 M OR, Delta Gen.2 X, Delta Gen.2 X OR, Delta Gen.2 L, Delta Gen.2 L OR, Delta Tactical M, Delta Tactical X.