Case Expansion

jakmak52 · November 15, 2015, 09:18 AM

Is there a need to expand the brass on a New/Primed 9mm case?

mehavey · November 15, 2015, 09:39 AM

I would do so -- new or not -- in order to uniform it.

Jim243 · November 15, 2015, 09:45 AM

Quote:

New/Primed 9mm case

Technically NO. Not sure what you mean by "New/Primed" brass, if you mean "Pre-primed" brass the answer is still NO you do not need to re-size them.

If you are talking about "New" purchased bass without the primer in it, you can load them without sizing the case, but I size all 9 mm cases new or used before I prime them. With once fired brass being so easy to get at a range, I have not purchased new 9 MM cases in about 8 years.

I do have about 250 "New/Primed" 45 ACP cases and they will not be sized before I load them.

Good luck and have fun with reloading.
Jim

g.willikers · November 15, 2015, 09:53 AM

No telling from here.
Kind of depends on the bullets being used.
Try one and see.

brasscollector · November 15, 2015, 10:28 AM

Quote:

I would do so -- new or not -- in order to uniform it.

^^ I agree 100% ^^

F. Guffey · November 15, 2015, 11:39 AM

Quote:

No telling from here.
Kind of depends on the bullets being used.
Try one and see.

I would have to know what bullet you are seating. As suggested, if the bullet is ripping the mouth of the case down one side start over.

F. Guffey

Nick_C_S · November 15, 2015, 12:20 PM

jakmak52, welcome to The Firing Line. You've come to the right place.

But I am not among those who has the answer for ya

I've never purchased pre-primed brass; and more importantly, wouldn't. That's just me. I want to prime my own brass - as well as drop the powder charge, seat the bullet, crimp the bullet, etc. You get my drift.

But . . .

If I were in your position, given my 31 years of handloading experience, I would flare the pre-primed cases to my liking. For a number of reasons:

First, I want to ensure they are flaired uniformly.

Second, I don't know if they've been banged around during shipping/handling to where the case mouths have been distorted.

Third, I prefer a little more flair then most; and thus, chances are, they will need to be flaired more to get to my preference; even if all the aforementioned were not an issue.

November 15, 2015, 09:18 AM	#1
jakmak52 Junior Member Join Date: June 30, 2013 Location: So. Pasadena, Florida Posts: 2	Case Expansion Is there a need to expand the brass on a New/Primed 9mm case?

November 15, 2015, 09:53 AM	#4
g.willikers Senior Member Join Date: September 28, 2008 Posts: 10,442	No telling from here. Kind of depends on the bullets being used. Try one and see. __________________ Walt Kelly, alias Pogo, sez: “Don't take life so serious, son, it ain't nohow permanent.”

November 15, 2015, 12:20 PM	#7
Nick_C_S Senior Member Join Date: March 21, 2013 Location: Idaho Posts: 5,524	jakmak52, welcome to The Firing Line. You've come to the right place. But I am not among those who has the answer for ya I've never purchased pre-primed brass; and more importantly, wouldn't. That's just me. I want to prime my own brass - as well as drop the powder charge, seat the bullet, crimp the bullet, etc. You get my drift. But . . . If I were in your position, given my 31 years of handloading experience, I would flare the pre-primed cases to my liking. For a number of reasons: First, I want to ensure they are flaired uniformly. Second, I don't know if they've been banged around during shipping/handling to where the case mouths have been distorted. Third, I prefer a little more flair then most; and thus, chances are, they will need to be flaired more to get to my preference; even if all the aforementioned were not an issue. __________________ Gun control laws benefit only criminals and politicians - but then, I repeat myself. Life Member, National Rifle Association

November 15, 2015, 09:39 AM	#2
mehavey Senior Member Join Date: June 17, 2010 Location: Virginia Posts: 6,896	I would do so -- new or not -- in order to uniform it.