Yes, the 5. Fits the a6000 with either the 55-210 or 18-135 attached no problem. Any longer lens would require bumping up to the 10.

I have the a6000, not the 6300. a7x wasn't in my budget, I wanted a more compact camera, and quality is good enough for what I do (post pics on social media, occasional medium size prints for my wall)

These show it well enough?

402710

402711

I carry a Sony a6000 with the 18-135mm lens in a ThinkTank Digital Holster attached to my sternum strap. Works great. I also have friends I ski with that carry full frame mirrorless or even...