Neck turned brass on no turn/factory chamber.

[Bora72]

Hello, I've recived from a friend a mixed quantity of 6,5x47 Lapua brass.
These brass are from vary number of firing, vary lot...
These are a Babele batch brasses.....

The neck thikness variance are about from .123thou to .132thou (some cases also on the same neck), so I think to turn all the neck cases for a little bit of consistency .123thou.

My chamber are factory no turn and the neck diameter of fired case a are .294"

I have the stuff for neck turning.

I anneal my brass at any firing.

Have some type of issues to fire neck turned cases like I plan on my .294" neck chamber?

Thanks and Happy new year!

 

[Sniper338]

I've been loading for a good long time. Im just going to go ahead and say me personally, I wouldn't touch any of that brass when you dont know the round count. Variances differ so much, who knows how hard it was pushed. Its been fire formed to another chamber already multiple times... it just aint worth it. Especially for a custom gun.

Who knows how much difference your chamber is to the one it was shot in. Moving the shoulder on it any again just creates weak points in the brass.

Its just better to use new brass through a gun you can keep count on.

Im just not in the boat of used brass with unknown history in my guns..


Handgun brass.... ah.. different story... easier to play out straight wall cases.

 

[Bill Norris]

I've been loading for a good long time. Im just going to go ahead and say me personally, I wouldn't touch any of that brass when you dont know the round count. Variances differ so much, who knows how hard it was pushed. Its been fire formed to another chamber already multiple times... it just aint worth it. Especially for a custom gun.

Who knows how much difference your chamber is to the one it was shot in. Moving the shoulder on it any again just creates weak points in the brass.

Its just better to use new brass through a gun you can keep count on.

Im just not in the boat of used brass with unknown history in my guns..


Handgun brass.... ah.. different story... easier to play out straight wall cases.

Agree 100%. If the brass was to be used in a new chamber reamed by the SAME reamer as the brass was fired in then it may be a decent choice but under the described conditions "nope" I would pass for sure.

 

[steve210]

Turned brass in a no turn chamber is going to start losing necks from overworking the brass in my opinion.

 

[Mark611]

My question would be do you know if the brass was turned before you got it? if not, I would agree with the other guys, it's not worth your time and trouble with several firing already on it,

 

[searcher]

I have relied on turning the necks of brass that I know to have been fired one time (lots of Lake City) to make it better - and always got good results from doing so, whether in a no-turn or a tight neck chamber. As others alluded to or said, making your brass thinner on a no-turn neck can cause your brass to wear out a bit faster simply because the brass has a bit more room to expand when fired (and get reduced on sizing). Annealing does help keep that in check, to a point, and I'd do that since you have the gear. If it were me, I'd not hesitate to turn the necks on that portion of the brass you know to have been fired one time. On the portion that has unknown firings on it, I'd pass on that as others have mentioned - mainly because I wouldn't view that brass as worth going to the trouble for the work involved - and for no other reason. If you have time on your hands, turning it isn't going to hurt, though it might make an improvement. It certainly has for me on the Lake City. This is said with the intent of making it more uniform and possibly more accurate - not making it last longer - which, of course, it won't.

 

[209jones]

I'd do it for new brass to use with a bushing die, but, otherwise, not worth it for old handmedown brass.

 

[Bora72]

The cases were fired in a rifle of the same make and model as mine.
They were always recalibrated full.
Do you think (without measuring them) the size differences were so large that they would compromise the chambering of these cases?

In the end, the question was different: whether using a turned neck in a non-turned chamber could cause problems with the case.
Not whether cases fired on another gun would be suitable for firing in a different one.

When answering a question, you should try to stay on topic rather than expressing your own opinion.

Thanks everyone for the replies.

 

[Bill Norris]

Yes it could cause issues. But do whatever you want. Its your brass and your issues.

 

[SeabeeKen]

Turned brass in a no turn chamber is going to start losing necks from overworking the brass in my opinion.

I skim turned my 22 ppc brass for my no turn chamber just enough to make them even all the way around. Never lost a case in UBR last year.

 

[Steve Donlon]

I only turn the necks on brass that needs it. Not good brass that is already close. But some lots of Starline are different so I have tried to see it it helped. And it did, but it could just be a mind game, me thinking that they shoot better so they do.

 

[47WillysGuy]

Hello, I've recived from a friend a mixed quantity of 6,5x47 Lapua brass.
These brass are from vary number of firing, vary lot...
These are a Babele batch brasses.....

The neck thikness variance are about from .123thou to .132thou (some cases also on the same neck), so I think to turn all the neck cases for a little bit of consistency .123thou.

My chamber are factory no turn and the neck diameter of fired case a are .294"

I have the stuff for neck turning.

I anneal my brass at any firing.

Have some type of issues to fire neck turned cases like I plan on my .294" neck chamber?

Thanks and Happy new year!

The safe route would be to follow reasons given by others for not using the mixed brass. But Lapua is good brass.

If it were mine, I'd clean the brass, then sort by:
-Visual inspection of general condition of the brass. ie, damaged case head from extraction.
-Search for head separation with the paper clip method.
-Measure the case .200 line and compare to your existing fired cases, using plus zero for a standard keep.
-Anneal the brass, 8-9 second to red orange and size them. Maybe even 2 times.
-When in doubt, throw them out.

But that's just me. Meh!


-

 

[Walt Schmidlin]

New chambered barrel $800+/-, 300 pieces of new brass $375+/-. With pieces of brass from numerous lots and an uncertain past usage you will have a difficult time deciding if lack of accuracy is the new barrel, wrong projectile, powder, primer or MAYBE a mixed lot of brass.

 

[steve210]

I skim turned my 22 ppc brass for my no turn chamber just enough to make them even all the way around. Never lost a case in UBR last year.

Skim turning for a true no turn chamber is one thing, turning brass for a factory"no turn" chamber(not sure what this even is) is another thing all together. I don't think turned brass will live long in a factory chamber.

 

[Coyotefurharvester]

He's in Italy, could be only brass available/affordable (Socialism).

 

[alf]

I'd turn them to about 75% cleanup, anneal, and fire away.....

 

[Straightshooter1]

Skim turning for a true no turn chamber is one thing, turning brass for a factory"no turn" chamber(not sure what this even is) is another thing all together. I don't think turned brass will live long in a factory chamber.

Hmmm??? I guess that might just depend on the particular factory chamber and how long "live long" is???

For me, it's just a one time operation to turn my brass. And my brass is still going at 16 firings.

 

[Bora72]

Skim turning for a true no turn chamber is one thing, turning brass for a factory"no turn" chamber(not sure what this even is) is another thing all together. I don't think turned brass will live long in a factory chamber.

Hello please can you tell me what are the neck measure of your cannibal factory no turn chamber?

 

[steve210]

Hello please can you tell me what are the neck measure of your cannibal factory no turn chamber?

No, because i don't turn necks for a factory chamber. What does a loaded round neck measure on your ammo? You said fired measured .294,i generally look for. 003 clearance on a loaded round to chamber neck diameter. It is your brass and your time, spend it as you see fit. You ask for opinions, I gave you mine, you don't have to use it.

 

[Bill Norris]

No, because i don't turn necks for a factory chamber. What does a loaded round neck measure on your ammo? You said fired measured .294,i generally look for. 003 clearance on a loaded round to chamber neck diameter. It is your brass and your time, spend it as you see fit. You ask for opinions, I gave you mine, you don't have to use it.

Agree 100%.