Is there a guide somewhere

[qtropwr]

that explains the difference between 2 and 3 digit models, and the difference between 10,11,12,13,14 etc. ???

[wbm]

https://www.savageshooters.com/showthread.php?9534-Savage-model-numbers

[CFJunkie]

one addition
K= non-adjustable muzzle brake

[Robinhood]

110, The original price for the same model.