This involves forming a feathering by hammering the edges of the sheet to about half their original thickness and then cutting slits at right angles to the edge.
Cold forming sheet metal with a hammer.
The cold hammer forged marking chf is stamped into millions of rifle barrels around the world.
These are bent out alternately and mated with the edge to be joined.
And while it s not the only way to make a barrel for ar15 patterned rifles it is likely to be the most common.
You want to put your metal over the dent and hammer it with the ball end of the ball peen hammer.
This takes patience and can be meditative.
Lots of little hits will make your piece of metal take shape.
Hammer forming is one of the oldest simplest and least expensive ways to shape sheet metal.