Its a tiny bit longer and heavier then the PM9 and about even with the PF9.

LC9
Length: 6.00"
Barrel Length: 3.12"
Width: 0.90"
Height: 4.50"
Weight: 17.10 oz.
Capacity: 7+1

Kahr PM9
Length O/A: 5.3"
Barrel Length: 3.0"
Height: 4.0"
Slide Width: .90"
Weight: Pistol 14 ounces, Magazine 1.9 ounces
Capacity: 6+1, 7+1 (magazine with grip extension)

Kel-TEc PF9
Length: 5.85 ”
Height: 4.3 “
Width: .88 “
Barrel Length: 3.1 ”
Weight unloaded: 12.7 oz
Loaded magazine: 2.8 oz
Capacity: 7+1