Change your GSG 522 or 522 PK back original to the Factory Correct Spec's German Sport Gun.

Comes with the following including a NEW Grip Housing.
GSG-5 / GSG-522 Conversion Kit 1. Trigger Housing 2. Safety Lever (Left) 3. Safety Lever (Right) 4. Magazine Release Lever 5. Receiver Cap 6. Sling Loop 7. Front Sight Blade Metal (2 pcs.) 8. Front Sight Blade Polymer (4 pcs.) 9. Sling Loop Screw 10. Cocking Tube Housing 11. Cocking Tube Handle 12. Cocking Tube Handle SD 13. Firing Pin Retainer Set Screw (3 pcs.) 14. Cocking Handle (2 pcs.) 15. Safety Screw 16. Hexagon socket screw key