Try e-gunparts.com
Try e-gunparts.com
Try these sources: Numrich gunpartscorp.com Jack First jackfirstgun.com Bob's Gun Shop gun-parts.com
No.
410
Have it checked out by a gunsmith before you try it.
Depends on which gun. A simple single shot .410 may cost AROUND $150. A collectable Winchester pump, maybe $1,000. A Purdey double .410, about $3,000.
1913
Which one- in what condition?
stoeger 410's are made in Brazil
Proofhouse.com has sn data
.410
$250