Your stuff always looks exceptional in both form and function Roger. Your clearly OCD about everything you design and make

I also agree that it's really hard to improve upon a known mfg. F/A BCG, however the OCKS appears to have done that.

I took staking for granted til I got into USGI M1 carbines, than I saw the importance of how staking plays out over decades in many cases of shooting a rifle. In my short time learning them, I've seen multiple arsenal installed staked sights, and piston nuts come loose.