02-08-2023, 03:30 AM
I only use adjustable blocks on ARs now. I see no reason not to. The last one I installed was the Strike Industries adjustable collar block. I like it, and it works well so far. Next, I'll likely try the RifleSpeed.
https://www.strikeindustries.com/si-ar-cagb.html
https://www.strikeindustries.com/si-ar-cagb.html

