If you want a non-kel-tec .308 bullpup, and you want some interesting history and design creds - there's always the K&M M17s (https://www.kmarms.com/) which is a riff on the old bushmaster M17s from way back when. It's a riff on the AR-180 operating system, the old Bushmaster guns went with an AR-style bolt, the new K&M production guns went back to the original design with the trilug.I'm a bit of a snob when it comes to firearms, so I personally avoid KelTec like the plague. I've heard issues with the MDR as well, like the polymer inside the stock cracking. They are pretty accurate though, since they're built by a company who make sniper/marksman style rifles. If you want a .308 bullpup, take a look at the Tavor 7. IWI really knows their shit.