Always wanted one of the Taylor drum mags for my WWII 1911. Don't know how pricey they are, though.
I don’t know about this one, but I bought a version of this that was mostly plastic (except for the insert end) and it was a piece of crap. I threw it way - jamming jenny.
This one is a bit smaller and made of all metal with a winding knob which I like. The key is how smooth the rounds transition to the straight section.....I’d read a bunch of reviews before buying anything like it again.