The Firing Line Forums - View Single Post

chris in va · September 27, 2012, 09:33 PM

My Lyman manual has the ACP as about 17k psi for a max load while the GAP is 22k. That's barely starting pressures for the lowly 9mm. 357 SIG is nearly 40k max.

September 27, 2012, 09:33 PM	#26
chris in va Senior Member Join Date: December 26, 2004 Location: Louisville KY Posts: 13,806	My Lyman manual has the ACP as about 17k psi for a max load while the GAP is 22k. That's barely starting pressures for the lowly 9mm. 357 SIG is nearly 40k max.