P95 is the model number. DC means it has a decocker.
350 USD
You will have to contact Ruger
It hasn't been since at least 2003
$250-$400, depending on condition and finish.
You can request an owner's manual from Ruger. You can go to a gunsmith and ask for help also.
For a definitive answer, you will need to check with Ruger customer service. You can do so through their website.
Neither. "Better" depends on what you think, not someone else.
Stan Longinidis goes by Stan The Man.
To actually like Stan kpop and then you can Stan a group
Stan Haze's birth name is Stan A. Hazlip.
Part failure/out of spec. Get it to a qualified gun smith ASAP.
Stan Musial went by Stan the Man, and The Donora Greyhound.