ETA2: on each of my kits, apparently P80 is not including the small very little coil spring with the slide stop bar (takedown), Glock OEM 39567, $4. So I needed to order a couple of of These. I guess which is Consistent with the concept that the kit only involves https://glock-43-polymer-80-frame10853.blogsumer.com/31122253/the-basic-principles-of-p80-glock-for-sale