You really want to let a gunsmith do this.
a forge bellows and hammers
The best place to buy Gunsmith tools would be at a home hardware store such as Lowe's or Home Depot. They would also be available at stores such as Amazon or eBay.
Metal working, wood working, use of hand, power and machine tools. Math, chemistry, knowledge of metals, wood. BUSINESS classes- since a gunsmith runs a business. There are colleges that teach gunsmithing, such as the Colorado School of Trades.
the skill you need to be a gunsmith is a good concentration on what you are doing. also you have to love guns and understand them.
A gunsmith used a hammer, chisels, anvil, handfile, and a furnace. For material they would use iron, wood, metal, silver, coal, and brass
Best left to a gunsmith with the proper tools.
The main tools were a forge and bellows, ananvil, hammers, water buckets,and a small selection of files and tongs.
You need a gunsmith
You need a gunsmith.
You need a gunsmith
You need a gunsmith