Something I learned shooting the smaller framed pistols is not to allow my thumb to interfere with the slide action.
Interfering with the slide action causes the symptoms you mentioned and same as what I experienced with my G26. It was the first sub frame pistol I had shot, and I think I was interfering with the slide action due to my grip; I was finding my way with a smaller hand grip than what I was used too. And I had a death grip on it too.
I added extensions to all the mags and fixed that. So, be very cognazant of your grip and not interfere with the slide action. You said your not L.wristing. Give that a try.