You don't
No. The Glock is an auto pistol. With the exception of the .357 Sig, auto pistols do not shoot .357 cartridges.
Shoot to Kill - X-Pistols album - was created on 2011-01-18.
no they can shoot runny poo
Yes
Join a shooting club and see if they have a team or league for beginners. See if experienced shooters will coach you and guide you. Read books on rifle marksmanship. Watch videos. There are many free instructional videos on rifle shooting (slow, accurate marksmanship) on YouTube and other sites. Get a lot of practice done AFTER you study the methods and techniques. Learn to use iron sights as well as a scope. Learn to shoot with a shooting sling, and with a field sling, and with no sling. Learn to shoot a rifle unsupported standing, and sitting, and prone, and across a bench with rests under the gun. Learn to shoot rapid fire, timed fire, and slow fire. Learn to shoot 1-centimeter groups at 50 feet and 1-meter groups from half a mile.
38 or 357
No.
Yes, they shoot plastic 6mm bbs
No.
Some air pistols are designed to shoot both, but you have to read the owners manual to determine if your pistol can shoot either. It the manual says to just use one or the other then don't ruin the pistol by trying to force it to shoot the wrong projectile.
He's too young to shoot unsupervised, but certainly old enough to learn marksmanship.
NO NO NO! Only shoot what the rifle is chambered for and so marked.