A great upgrade for the cheap sight that comes standard on each GSG5. This item will fit all GSG-5 models including the PK and P models. This item is an all steel HK made parts designed for combat and the toughest of environments. This will be the last rear sight you will ever need.
Each HK factory sight comes as shown and is made from hardened steel so it is made to last a lifetime. Includes The detent & spring needed to drop on your GSG-5 pistol or rifle. It Will NOT fit the new GSG-16 models that replaced the GSG-5 models.
Install instructions: Simply remove the old GSG sight and replace it with the new rear sight making sure the provided ball and detent are installed in the bottom cavity hole (detent first then the spring). Place the new rear sight on in place of the replaced rear sight and use the factory hardware to secure the rear sight to the firearm. Install should take no more than a couple of mins.
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I received my part in 3 days and it fit perfectly on my GSG 5!
Fit was perfect, this metal sight replaced the plastic sight that came with the rifle. High quality part.