Areo Precision upper,
7" 300 BLK CMMG barrel
Ergo Pistol length hand guard
MBUS rear, Yankee Hill Machine Front
SilencerCo ASR Muzzle Brake
Saker 762
Home built
The other two are off the rack PSA 7" Keymod & 11.5" Classic
The 300 BO is a real sweet shooter.