Quote Originally Posted by Todd.K View Post
I would never recommend a 5.56 silencer, and even less on a short barrel for your first.

I have a dedicated 10.5” with a suppressed only gas port, M4-2000. It’s soft shooting and not gassy, with the suppressed port. If it’s an SD gun for use without the silencer see below, or if the silencer is just for range fun consider a .30 caliber.

With newer and lighter small to mini designs available these days I would be leaning towards a 12.5”-14.5”.
Such as? I'd likely leave on for HD sure.