I actually bought both for my A-Bolt Ti in 308. I had to mail order them because neither was in stock locally. Anyway, after comparing both I used the Talley's because they looked a little better and are lighter. I went out of my way to save as much weight as possible on this rifle. That being said, I had to lap the crap out of the Talley's while I don't believe this would have been necessary with the Dednutz mount. Doing it all over again if I wasn't as concerned about saving every bit of weight I would go with the Dednutz mount.
