Heavier buffer and AGB

[Sixoeight]

I still think you would be served well with a AGB only. A certain amount of gas will send the bcg back to it's full travel without much extra energy. When you add a suppressor the gas pressure increases...so you just turn it down until it it correct again. The only problem I can see is if the AGB couldn't be adjusted low enough, but most if not all can be adjusted all the way to off, so that shouldn't be an issue.