I agree that an auto-forward feature could be better described in the manual. However, that manual is very short and may be, they have omitted that part for simplicity. Personally, I don't care very much for manuals since I always follow safety regulations (ACTS/PROVE). The first rule of safety says that the barrel should always be in a safe direction. So during mag loading it really does not matter so much when the slide goes forward as auto-forward.
Auto-forward is definitely a feature for the Grand Power pistols and a few other brands.
Auto-forward
https://www.thetruthaboutguns.com/2015/11/jon-wayne-taylor/gun-review-grand-power-x-calibur-9mm/
The gun immediately went into battery. I tried that again, with the exact same results.
I didn’t disengage the slide lock. I didn’t pull the slide back and release it. I inserted a magazine and the gun went into battery, chambering the first round. It did this almost every time. But not every time.
This is a design feature – one of which I am not a fan. That said, chambering a round fast on a full magazine is not the worst thing in the world; some people surely see it as a plus, or even as a feature. Especially in competition.
A few people have told me their HK pistols do this, as well as some other manufacturer’s guns.
https://www.youtube.com/watch?v=ToL9dc8TT_c – look at auto-forward feature here
https://www.youtube.com/watch?v=yljeKbLsGG0 – look at auto-forward feature here
https://www.full30.com/watch/MDAxMTYw/trip-to-grand-power-full-auto-pistols -look at auto-forward feature here
Help for jamming GP K22X/K22S
https://www.youtube.com/watch?v=Iwh5dEdEhTM – take a small recoil spring out if there are problems with jams
So please don't spew around your uninformed opinions!