K krw Buckeye Joined May 29, 2003 Messages 1,599 City & State/Province Arkansas Jan 6, 2013 #1 How do I physically tell the difference between a OM 45acp cyl and a new model 45acp cyl. It is in the white bx and red bag but want to make sure it is proper cyl before I buy it. Thanks krw
How do I physically tell the difference between a OM 45acp cyl and a new model 45acp cyl. It is in the white bx and red bag but want to make sure it is proper cyl before I buy it. Thanks krw
A AkRay Single-Sixer Joined Dec 3, 2007 Messages 171 City & State/Province USA Jan 7, 2013 #2 OM cylinders have a groove for the firing pin, while NM cylinders are flat, i.e., ungrooved.
