Single shot pistols take a #11 and revolvers take a # 10
Depends on which one you have with a bore convertor possibly and some can take a standard size shotgun round
The best way to learn percussion and improve skills in playing different percussion instruments is to practice regularly, take lessons from a skilled instructor, listen to a variety of music styles, and participate in ensembles or bands to gain experience and feedback.
You need to submit the kind of firearm is it? Pistol, rifle, shotgun?
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.
Which one?
take it to a pawn shop or gun shop
People under the age 21 you are not allow to take the concealed pistol class. You have the be the age 21 or older.
take apart the whole gun
Ask a gunsmith for help
Take it to a gunsmith.
Take it to a gunsmith
If you are asking ... take it to a smith and have it done right.