The Firing Line Forums - View Single Post - Why doesn't shotgun porting reduce muzzle rise?

PJR · January 25, 2010, 11:01 AM

A few years ago I experimented with a Beretta 390 and two barrels, one was ported while the other wasn't. In blind tests between the two I could not tell a difference in either recoil or muzzle rise. They seemed exactly the same to me.

January 25, 2010, 11:01 AM	#19
PJR Senior Member Join Date: May 31, 2000 Posts: 1,127	A few years ago I experimented with a Beretta 390 and two barrels, one was ported while the other wasn't. In blind tests between the two I could not tell a difference in either recoil or muzzle rise. They seemed exactly the same to me.