100-400 USD or so
100-300 USD
the serial number on your ruger P345 is located on the right side of the firearm directly beneath the slide. its a silver looking plate with an 8 digit number.
Take it to a gunsmith. You did not say what is wrong with it.
if you mean the air soft pistol then yes it can take both 0.12 and 0.43 plastic bb's
Moondog Industries gas fill O-rings from evike.com. Quick, easy, and inexpensive.
it is worth ..............$$$$
Unknown caliber. Contact Ruger
100-300
350 USD
50-400 usd
100-200