When I went to the ATA show I anticipated looking at the ext bar sight from Octane. After talking with the Engineer, he said that the intricate parts are expensive to machine and it's being re engineered. Again, I heard nothing about issues. As mentioned above, they will be warranted if you have issue. I have read from many they love the sight.
If you want to sell it off, do so and I recommend the Viper line for one, if not use it and see how she'll do. It's just a sight.