I checked, those (finger adjustable gas block) don't exist for 0.936 diameter, the highest I saw was 0.875. I don't think they are out there. It's okay, I've quit and just got myself an adjustable Superlative gas bleed off / restriction valve in 0.936. I think I was wanting a finger adjustable one because on my AR in 223 (wylde) the gas system length is mid-length, meaning it's buried deep in the handguard. This AR in 308 is rifle length, and on an 18 inch barrel, means the gas block is pretty close to the muzzle. Hopefully not too much hassle to adjust as needed.
