I have a NIB S&W Model 396 Night Guard in caliber .44 S&W Special.
It easily chambers .44 Magnum ammunition. (240 LSWC, 250 JHP, and 250 JFP - both factory and reloaded ammo),
The ammo is obviously in .44 Magnum cases, chambers easily, and the cylinder turns with room to spare.
The Model...