Chambering live rounds safely

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Chambering live rounds safely

Post by Blr243 » 23 May 2026, 3:28 pm

I have a sauer 100 270 win. And I have some reloaded ammo not chambering I don’t think it’s from lack of case trimming , more likely from the expander ball dragging the shoulder area forward when sizing ( prob dry carbon inside necks ) Is like to run them through the chamber but I won’t do this at home for safety reasons. If I remove the firing pin is it then safe to do this ?
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Re: Chambering live rounds safely

Post by fussy » 23 May 2026, 3:50 pm

In a Mauser, for example, I remove the pin.
Remember, if the bolt face or firing pin hole hits a 'proud' primer, or has some burring, it may (theoretically) still fire.
So, as always, safe direction and don't slam the bolt quickly.

Better yet: make a dummy load exactly the same as the others, but NO primer or powder.
If that cycles, 'should' be no problem.
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Re: Chambering live rounds safely

Post by morerams » 23 May 2026, 5:52 pm

Yes, removing the firing pin is the safest option.
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Re: Chambering live rounds safely

Post by GQshayne » 23 May 2026, 7:03 pm

Hmmmm..........

I am only a hunter, and pigs are my favourite quarry, so no target shooting for me. So I want rounds to chamber very easily, and quickly. If I encountered this problem, then the only option for me would be to remove projectiles and powered and start again with a re-sized case. Given the cost of fuel etc nowadays, the waste of a primer is a small consideration.
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Re: Chambering live rounds safely

Post by Wapiti » 23 May 2026, 7:33 pm

Got a collet bullet-puller you can screw into a press?
It's the best investment for this you can make - chambering a cartridge even without a firing pin in suburbia is not anything I'd do... but hey I'm different.
Pull the projectile, tip out the powder and adjust your FLS to get the cases chambering.
The primers will be decapped, but seat them again afterwards, they will work 100% still.

That's my answer to the question anyway. If they won't chamber easily, why keep trying by "shaking hands with danger". They need to be fixed and the die adjusted right.
Or you could ask Yuri Gellar to stare them back to correct size.

As GQShane is hinting at, if they let you down after spending $1000 on a trip and the biggest pig or most vicious dog you've ever seen, you will be very annoyed, just quietly.
"The only way to avoid criticism is to do nothing, say nothing, and be nothing."
Aristotle.
Regards G,
AKA Dr. Doolittle
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Re: Chambering live rounds safely

Post by Damo300 » 24 May 2026, 6:12 am

As Forrest Gump says....
"Ar'm notta smart ma'an"
so my experience is limited to "err" atm.
If that were me, I'd be stripping them down and starting again.

Not sorry to be safe.
Cheers.
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Re: Chambering live rounds safely

Post by fussy » 24 May 2026, 6:44 am

Wapiti wrote:Pull the projectile, tip out the powder and adjust your FLS to get the cases chambering.
The primers will be decapped, but seat them again afterwards, they will work 100% still.


Or pull out the decapping pin first.
Then you can FL resize without depriming and repriming.
Just avoid case lube on the primers.
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Re: Chambering live rounds safely

Post by bladeracer » 24 May 2026, 10:48 am

GQshayne wrote:Hmmmm..........

I am only a hunter, and pigs are my favourite quarry, so no target shooting for me. So I want rounds to chamber very easily, and quickly. If I encountered this problem, then the only option for me would be to remove projectiles and powder and start again with a re-sized case. Given the cost of fuel etc nowadays, the waste of a primer is a small consideration.



I've been using a lot of ammo in competition the last two years so I run it all manually through the firearms to ensure it works, before I take it to a match. I wouldn't do it at home if I lived in a town, but out here I run thousands of live rounds through my firearms to check they work. Last week I found one tight .44-40 and one tight 12ga. shell so I've set them aside for practicing.

Don't waste the primer, capture it and re-use it. If you don't want to trust it in the field, mark them and set those aside for checking zero and practicing.
Practice Strict Gun Control - Precision Counts!
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Re: Chambering live rounds safely

Post by Fester » 24 May 2026, 12:53 pm

Yeah, whatever you do, in the future, you will have to chamber check the sized cases to know they are good before priming and filling them.

You do know to do any trimming or length checking after FLRSing, not before?
The good lube, like Imperial Sizeing Wax, and something for inside the necks, I use One Shot, lessens the stretching of cases during sizing.
The 2nd best lube I have used, was a big tube of sheep wool fat, $10 from the chemist.

Some dies like the basic Redding sets, can have the decapping pins removed, but some brands can't.
I think it was my RCBS set where I couldn't do that.

I have done some primer re-using, and they all went off fine, and none in the garage. I used care, and wore eyes and ears.
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Re: Chambering live rounds safely

Post by Blr243 » 24 May 2026, 1:27 pm

Thank u for the replies. I’ll give it a miss. Don’t want anything hazardous ruining my Sunday
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