Interesting 9MM brass

[Walkalong]

True, as does Springfield, but the chamber area is not two piece, as in half in the front, and half toward the rear.

 

[rondog]

Measure the length of the cases and make sure they're the same length as 9mm Luger is supposed to be. Those look a tad short to me, could they be 9mm Luger's that were cut down and reloaded as 9x18 Makarov's?

 

[ants]

Doesn't Springfield limit the two-piece assembly to 45acp only? And the joint is actually in front of the chamber as Walkalong says.

We got a jackass here in town who thinks that his 40S&W IPSC gun extracts faster if he reams his own chamber open. It just makes his brass harder to resize. Maybe that brass is just from some amateur with a damn Dremel who couldn't keep it out of his chamber. I wonder what he would do with an oversized rectal thermometer?

Or maybe, are there any full-auto with a tapered chamber for faster extraction? I don't know.

 

[ants]

Did you measure the case head and rim? Any expansion? Let us know if the primers are too loose.

 

[243winxb]

Ruger P85

Original P85 barrels were of two-piece construction with the barrel and the square breechblock pressed together and then welded. It was a time-consuming and expensive manufacturing process. Current barrels are cast one-piece with broached bores. http://hunting.about.com/library/weekly/aast50rugerpistolsb.htm

 

[Walkalong]

Measure the length of the cases and make sure they're the same length as 9mm Luger is supposed to be.

After sizing - .7475 - .747 - .7485 - .7495 - Right in line with other brands of sized cases I have.

Did you measure the case head and rim?

.379 to .382 at the front where it looks partially sized.

.391 to .392 in the middle where the small bulge is.

.3855 all around at the web.

.390 to .391 at the rim.

It is not bulged from over pressure.