Only used one time, about 120 rounds, decided to get a shorter barrel for my AR15 - The complete lower, hand stop and Vortex LPVO are not included. Does include the Aero pro BCG and Aero Breach Ambi Charging Handle.
Includes: 16.3" 5.56 Cold Hammer Forged Barrel 5.56 Bolt Carrier Group M4E1 Threaded Upper Receiver ATLAS R-ONE Handguard VG6 Delta Flash Hider Mid-Length Gas System AR15 BREACH® Ambi Charging Handle w/ Large Lever - Black
link to exact model from manufacturer: https://www.aeroprecisionusa.com/m4e1-threaded-pro-complete-upper-16pt3-556-chf-mid-length-barrel-15in-atlas-rone-handguard-anodized