The Firing Line Forums - View Single Post - Look at this brass, tell me what caused this

JDG · January 1, 2006, 06:48 PM

Looks like a test cartridge for measuring pressure. My speer reloading manual shows a drawing on the copper crusher method to find (c.u.p.) pressure ratings

JDG

January 1, 2006, 06:48 PM	#4
JDG Senior Member Join Date: November 28, 2005 Location: West Michigan Posts: 673	Looks like a test cartridge for measuring pressure. My speer reloading manual shows a drawing on the copper crusher method to find (c.u.p.) pressure ratings JDG