Yes, it is listed on both Buds and the manufacturer website that the parts to convert it to a safety are included, as well as the manual to show how to do it. "Featuring the versatile Omega trigger system, the P-09 is shipped with decockers installed but can easily be converted to a manual safety with the supplied parts and instructions."

Artem, yes Sir it is included. You can see it in this Unboxing Video around 1:20 -- youtube.com/watch?v=Wcy40e5goFk