I have been shooting pins for years and they're great targets. You do have to watch out for ricochets, especially if you're shooting a relatively close range. Putting them on a raised flat surface (e.g. a table top) and shooting them until they fall off of the table has been the bane of many a shooter! I have pins suspended from a framework and they're excellent moving targets.
I like mine to last so they are only for pistol shooting and they do get heavy after absorbing all of that lead. Watch how you handle the veteran pins as lead and jackets will penetrate and give you a nasty slice or puncture.
Grab pins any time you can, free or otherwise!
[SIZE="3"][SIZE="2"]Don't pick a fight with an old man. If he's too old to fight, he'll just kill you.
"If men are so wicked with religion, what would they be if without it?"- Benjamin Franklin