The Firing Line Forums - View Single Post - Overpressure signs on big-bore calibers

**Mal H** · May 31, 2000, 12:39 PM

Measuring the case diameter at the web (just above the rim) before/after firing is your best method. Any increase, no matter how small, could be a high pressure sign.

May 31, 2000, 12:39 PM	#2
Mal H Staff Join Date: March 20, 1999 Location: Somewhere in the woods of Northern Virginia Posts: 16,950	Measuring the case diameter at the web (just above the rim) before/after firing is your best method. Any increase, no matter how small, could be a high pressure sign.