with imprecise components.
Indeed.
I, like many people, keep an AR15 M4-gery handy as a "house gun." You know, for times when 9 rounds of 12 gauge aren't enough, I can pull the trigger 22 more times (30 in the mag, one up the pipe). Suppressed. Flashlight. Eotech XPS 2-0 for an aiming...