Recommended/Known Holsters with Open Bottoms?

So, I've returned my SG AIWB+ and am looking for a new holster. I was wondering if anyone knew of any AIWB holsters that are open-ended to allow longer slides pass through. I know the Zorn Skinny Rig has this option, but would prefer one with a magazine carrier attached.Ideally, I would like an Incog+Mag Caddy that was open-ended, but I rather not turn it into a DIY project where I botch it. Seems unlikely that I'd find something like this, but you never know. Thanks in advance!edit: Preferrably AIWB. Also, any Glock double stack 9mm. via /r/CCW http://ift.tt/2mUskEF