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zippy13 · August 17, 2011, 12:45 PM

YIKES! This has perilous potential. As was mentioned by Scorch, the 3 1/2-in 12-ga is a fairly recent load. It should be noted that the 3 1/2-inch 12-ga, being new, has a higher SAAMI maximum pressure. Using one in an old 3-inch gun is not recommended. Anything capable of shooting 3 1/2-in 12-ga maxi mags will have the shell size clearly marked on the gun.

Jim, ol' buddy, I wonder if the jam-o-matic Auto-5s were even adjusted properly (ring settings) for target loads.

August 17, 2011, 12:45 PM	#10
zippy13 Senior Member Join Date: August 23, 2008 Location: SoCal Posts: 6,442	YIKES! This has perilous potential. As was mentioned by Scorch, the 3 1/2-in 12-ga is a fairly recent load. It should be noted that the 3 1/2-inch 12-ga, being new, has a higher SAAMI maximum pressure. Using one in an old 3-inch gun is not recommended. Anything capable of shooting 3 1/2-in 12-ga maxi mags will have the shell size clearly marked on the gun. Jim, ol' buddy, I wonder if the jam-o-matic Auto-5s were even adjusted properly (ring settings) for target loads. Last edited by zippy13; August 17, 2011 at 12:50 PM.