Sadly disappointed - Mission First Tactical Polymer Flip Up Rear Sight, w/ Windage Adjustment Mounts

So, I want to start off by saying that I love MFT and a lot of their products. I have the MFT Minimalist stock on almost every AR that I own, and I can't speak of it highly enough. I'm a big fan of their products, so that led me to the full set of flip-up sights. I purchased this one and the front sight along with it. I liked the concept of the sight being in a somewhat enclosed casing when it wasn't in use, and it looked pretty cool and sleek. I thought I'd hit the jackpot. Then, once getting it on, I began regretting it immediately. They're flimsy, the springs don't pop the sights up to their full capability, and trying to sight them in has been like pulling teeth due to them not having any incremental turning system. It's sad because I am still an MFT fan but this product makes me wonder about their QC system.