The Nano beats the 365/Shield and even PF9 in height/length
but is considered a Sub-compact!

Beretta BU9 Nano Sub-Compact Pistol Specs:

•Caliber: 9mm.
•Capacity: 6 rounds (8 with extended magazine)
•Overall Length: 5.6 inches.
•Barrel Length: 3.07 inches.
•Height: 4.2 inches.
•Width: 0.9 inches.
•Weight (empty): 20 ounces.
•Trigger: DAO, striker fired.

Always wanted 1 but to many issues in past, but now fixed or so they say!