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Can I replace bullets in factory ammo?

This is a discussion on Can I replace bullets in factory ammo? within the Reloading forums, part of the Firearm Forum category; Another vote for leaving the factory cartridges alone. There's more to bullets than just the weight....


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Old March 12th, 2017, 08:51 PM   #16
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Another vote for leaving the factory cartridges alone. There's more to bullets than just the weight.



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Old March 14th, 2017, 08:28 AM   #17
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It's called "Mexican Match" loading. Quite common years ago. Pull a bullet and replace it with a different bullet of the same weight and general configuration (remove am FMJ and replace it with a target HPBT, or a hunting bullet of the same weight)...
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Old March 14th, 2017, 04:23 PM   #18
 
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Wouldn't you potentially lose proper neck tension on the bullets by pulling the one type and then seating new bullets in the cases without resizing the necks?
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Old March 14th, 2017, 05:34 PM   #19
 
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It's a bad idea, of that there is no doubt. However, and I have to ask: what's the end game? What are you hoping to accomplish by doing this?
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Old March 14th, 2017, 06:59 PM   #20
 
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Another vote for leaving them alone.

I can attest that 125grn bullets are not the same.

If you look up my thread asking the question "who to believe?", we discussed switching bullets.

Along with that, I can also describe the pressure issues I had with Hornady SST bullets and charges used for other bullets of the same weight.

I used published data from the powder manufacturer for a different brand bullet with SSTs of the same weight. It turns out that even the starting loads exceeded max loads published by Hornady. I had ruptured cases and blown primers.

And, incidentally, my experience was with .300 Blackout as well.

Here's the thread I mentioned:
Data: Who and what to believe...

Clarification...in that thread I wrote that I didn't have pressure problems. That is incorrect. Upon *close, careful* inspection of the brass, I found the signs...and when I dumped them out of their zip-closure bags, a couple primers fell out...the signs weren't immediately evident when i checked them at the range.

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Last edited by Aqualung; March 14th, 2017 at 07:11 PM. Reason: Added thread link
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Old March 15th, 2017, 08:52 AM   #21
 
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When Iowegan and 10 others said it was a bad idea. I went out and used them for target practice. I have never done anything like that before so I wanted to ask. I don't like to take chances. Thank you so much for your input. I have read your Who And What To Believe. And I want to ( Thank you and the people who responded for keeping me safe) dave.
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Old March 15th, 2017, 11:36 AM   #22
 
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Quote:
Originally Posted by tarza View Post
When Iowegan and 10 others said it was a bad idea. I went out and used them for target practice. I have never done anything like that before so I wanted to ask. I don't like to take chances. Thank you so much for your input. I have read your Who And What To Believe. And I want to ( Thank you and the people who responded for keeping me safe) dave.
Dave,

You're very welcome.

Hope you didn't think I was "piling on", as that wasn't my intent at all. I'd rather expose my own stupid mistake than have someone else have a catastrophic failure and injury as a result of my not warning them. Someone else may not have the same luck I had.

Safety trumps Ego...

The .300 Blackout has a huge number of loads to choose from. Invest in some dies and see what works for you.

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Old March 16th, 2017, 05:45 PM   #23
 
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Quote:
Originally Posted by tarza View Post
Is it ok to take a 125 Remington bullets I bought at Walmart and replace it with another brand of bullet that weighs 125 grain- ( like I bought target ammo) Can I replace it with a hunting round bullet thats 125 gr. Never done anything like this before so I thought id ask.
No. That change will alter pressures and accuracy and your crimp. Start out fresh from stage one with the used brass.
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