Go to Ruger's web site and request a manual.
The link at the bottom of this page will take you to the Ruger website for your pistol. You can download the owner's manual for your pistol, which includes instructions on assembly and maintenance.
250 USD
The 9mm Parabellum is longer than the .380 ACP (also called the 9mm Short) They do not interchange.
From the Ruger website: What type of ammunition should I use in my Ruger 9mm pistol? The Ruger 9mm pistols are chambered for the 9x19mm NATO Parabellum (9mm Luger) cartridge, compatible with the U.S. and foreign military or commercial 9x19mm loads manufactured in accordance with NATO, U.S., SAAMI, or CIP standards, including high-velocity, subsonic, tracer, hollow point, ammunition loaded in aluminum, steel, or brass cartridge cases, +P and +P+ ammunition.
100-400 US Dollars.
100-400
probably If the pistol is designed for 9mm Luger, 9mm Para, or 9x19, yes.
Colt has never made a 9mm ruger combat commander
Loaded or unloaded?
The 9mm pistol would have the higher decibel rating.
100-400 US Dollars.