Scorched .32 cases - Gunner Forum
Gunner Forum

Scorched .32 cases

This is a discussion on Scorched .32 cases within the Reloading forums, part of the Gunner Forum category; This sorta fits for reloading. I noticed in all the fired cases I saved from my Guardian .32, the first third of the case looks ...


Go Back   Gunner Forum > Gunner Forum > Reloading

Reply
 
LinkBack Thread Tools Display Modes
Old 05-09-2018, 04:46 PM   #1
Senior Member
 
bearcatter's Avatar
 
Joined: Aug 2015
From: Virginia
Posts: 3,863
Scorched .32 cases

This sorta fits for reloading. I noticed in all the fired cases I saved from my Guardian .32, the first third of the case looks scorched. Under the soot, the brass is discolored and dull. Is this normal? I don't see it on most other cases that litter the range.

Maybe it's because the .32 ACP headspaces on the rim, instead of the bullet? I haven't had a centerfire semi-auto in years, so don't remember what that did. It was a S&W 39, 9mm.

Also curious if that would be a concern for reloaders wanting to reuse it.
bearcatter is offline  
Register

Welcome to Gunner Forum - a friendly gun forum for gun owners.

We welcome everyone and the community is free to join so register today and become part of the Gunner Forum family!

Old 05-10-2018, 04:58 AM   #2
Super Moderator
 
Terry_P's Avatar
 
Joined: Apr 2008
From: Where it's warm
Posts: 10,369
In reloading if you show carbon blowback it's because the powder charge (pressure) is too low to seal the brass against the chamber. It sounds like it was happening on more than one brand of ammo?? Conversely in a new handgun the chamber may be oversized. I have seen some stuff on the web on that pistol that say use Fiocchi Ammo. but don't know if they were a Fiocchi rep or not. If you can find some then give it a try otherwise I would call the 800# for NAA and ship it back.
Terry_P is online now  
Old 05-10-2018, 01:16 PM   #3
Senior Member
 
tx gun runner's Avatar
 
Joined: Jun 2008
From: Ft Hood , Tx area
Posts: 11,626
Quote:
Originally Posted by Terry_P View Post
In reloading if you show carbon blowback it's because the powder charge (pressure) is too low to seal the brass against the chamber. It sounds like it was happening on more than one brand of ammo?? Conversely in a new handgun the chamber may be oversized. I have seen some stuff on the web on that pistol that say use Fiocchi Ammo. but don't know if they were a Fiocchi rep or not. If you can find some then give it a try otherwise I would call the 800# for NAA and ship it back.
+1 .................. I agree 100% ...Mic the barrel to see if it is a 32 or stick the bullet in the front ..
tx gun runner is offline  
 
Old 05-10-2018, 03:30 PM   #4
Senior Member
 
bearcatter's Avatar
 
Joined: Aug 2015
From: Virginia
Posts: 3,863
I've looked online, and seems mine are no problem, since it buffs off with a rag. I'm on the NAA forum now, and haven't had any negative comments.

The rim headspacing is different than spacing on the case mouth, and slightly short cases on .32 ACP are common, to ensure it spaces on the rim. The millisecond it takes to extract is enough to soot up the brass and stain it. I dug out some old .22LR cases, and my 10/22 does about the same.

I've learned a lot about my .32, and the 38 Super, that also headspaces on the rim. They're a little different animal.
bearcatter is offline  
Old 05-11-2018, 05:07 AM   #5
Senior Member
 
moakes58's Avatar
 
Joined: Jan 2014
From: St. Louis, Missouri
Posts: 4,728
Quote:
Originally Posted by Terry_P View Post
In reloading if you show carbon blowback it's because the powder charge (pressure) is too low to seal the brass against the chamber. It sounds like it was happening on more than one brand of ammo?? Conversely in a new handgun the chamber may be oversized. I have seen some stuff on the web on that pistol that say use Fiocchi Ammo. but don't know if they were a Fiocchi rep or not. If you can find some then give it a try otherwise I would call the 800# for NAA and ship it back.
+1!
moakes58 is offline  
Old 05-11-2018, 05:46 PM   #6
Senior Member
 
bearcatter's Avatar
 
Joined: Aug 2015
From: Virginia
Posts: 3,863
I almost forgot that NAA does like Ruger and includes testfire brass with a gun. (They shoot a full mag through each gun.) I got it out, and it matched what I fired, except it was Winchester brass. I gave up and emailed NAA with that point and my description.

Basic reply was that it is fine, perfectly acceptable. Not exactly detailed, but settles the question.
bearcatter is offline  
Old 05-17-2018, 04:25 AM   #7
Senior Member
 
billt's Avatar
 
Joined: Jul 2016
From: Glendale, Arizona
Posts: 193
Also remember the .32 ACP NAA Guardian is a VERY short barreled pistol. The powder gasses don't get much time to develop pressure before the bullet exits the barrel. This is very common with many short barreled pocket auto pistols.

The only exception is many .25 Auto models. The .25 ACP ammo has very fast burning powder loaded into it because it is only fired in short barreled pocket pistols like the Baby Browning and the like. The .32 ACP is also used in many target pistols with longer barrels. So it uses a slower burning propellant that isn't fully consumed in the NAA Guardian barrel. The result is it doesn't build up sufficient chamber pressure to seal off. Powder gas blow by is the result.
billt is offline  
Old 06-02-2018, 08:44 AM   #8
Member
 
gemihur's Avatar
 
Joined: Nov 2016
From: VA
Posts: 48
Blackened brass not as desirable as blackened bass

I've experienced the blackened brass by carbon blow-by when working up loads in my 45-70 using Trail Boss.
Sometimes ya' just gotta suffer a little to get a good gas seal.
I found IMR 4198 to offer more suitable standards of ignition.
Trail Boss has it's place, recently got great results with it in the 30 Herrett... like a rimmed blackout!
Attached Images
File Type: jpg bullet.JPG (120.2 KB, 5 views)
gemihur is offline  
Reply

  Gunner Forum > Gunner Forum > Reloading

Thread Tools
Display Modes



Top Gun Sites Top Sites List


Powered by vBulletin 3.8.8
Copyright ©2000 - 2020, Jelsoft Enterprises Ltd.
Search Engine Optimization by vBSEO 3.6.1
vBulletin Security provided by vBSecurity v2.2.2 (Pro) - vBulletin Mods & Addons Copyright © 2020 DragonByte Technologies Ltd.
Copyright © 2008-2012 Gunner Forum. All rights reserved.