CL>At 10:12 AM 6/16/98 -0700, you wrote: CL>>-----Original Message----- CL>>> Well if you want to be exact, the .308 and 7.62mm rounds are two CL>>>different things! .308 is the commercial designation and 7.62mm is CL>>the CL>>>military designation and the two rounds are slightly different. Many CL>> CL>>There are numerous .30 caliber rifles and pistols. I was referring to CL>>the diameter. There is the .30-06 (WW I/II vintage), the .308 (late CL>>50's, early Vietnam vintage, NATO), the 7.62x39 (Russian, Korea to CL>>present), the .30-30 (the famous lever action Winchester of the late CL>>1800s), the .300 Savage (first rifle to exceed 2000 fps, also late CL>>1800s), the .30 M1 carbine (WW II vintage), the .300 Winchester Magnum, CL>>the 7.62 Nagant, etc. All use the same basic diameter .308 bullet. CL>> CL> No, they don't. The Nagant (7.62x 64) has a groove diameter of .310" and CL>uses a .311"-.312" size bullet. The 7.62 x 39 is also an odd size but I CL>don't remember the exact measurement, it's probably also .311"-.312". Some CL>of the US bullet companies are now making special bullets for those two. CL>FWIW When Ruger made the Mini-30 they sized the barrel for the (US) CL>standard .308" bullets instead of the normal Russian ones. CL> Joe CL> Couldn't you take this on some other list? I really hate to say this since it is one of my hobbies but this is teariblely off topic. Thanks.