I was shocked to see the price of copper gas checks go from $30/1000 to $43/1000. I am looking into making my own from aluminum. I have looked at West coast Engineering. Their tool works in a reloading press. My press, a CH “H” press has some problem with removing the finished checks from the tool.
I also looked at Charles Darnell's tool. That simply uses the tool and a mallet. Two hits with the mallet gives you a complete gas check.
Anyone ever try either of these tools?
Are there any alternatives to these around?