Look into a ACSS Vulcan HS 507C.
https://www.primaryarms.com/holosun-he507c-x2-pistol-green-dot-sight-acss-vulcan-reticle
I got one on my M18. It helps with picking up the reticle fast.
I smoked cigs during my enlistment then turned to vaping like 4 years ago and I also had a terrible drinking habit (drank a 5th of hen every weekend). I got out the service in July and I left nicotine and alcohol alone. Just been :smokin tree.