My Carbine is so 2008---
Standard M4 style stock on a commercial tube.
Eagle Armalite Lower/Bushmaster Pencil Barrel Upper.
Midwest Industries Rail/Viking Tactics Ring/200 Lumen Surefire G2/Tango Down? VFG
Specter Single Point Sling.
Aimpoint Pro which replaced a Rev E EO-Tech when they bought them all back.
In more than a day and less than 5 years I will upgrade to something simple and light and go to a two point I suspect.