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All Springer/NP/PCP Air Gun Discussion General > "Bob and Lloyds Workshop"

Comparing the Precision of Tin and Lead Slugs

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ballisticboy:

--- Quote from: BigBird on September 12, 2021, 01:10:50 PM ---
Tungsten is too expensive too.  Instead of shooting expensive tungsten a friend of mine loads pea gravel in his PB shotgun shells to comply with waterfowl hunting laws.   Gets a new barrel when it wears out.  It's cheaper even when you figure in a new barrel.  And that's the craziness of these laws too.


--- End quote ---

I seem to remember from the tank ranges that there are pollution problems with tungsten as well. When I was looking at using mini tank ammunition type long rods for sniper ammunition, I asked some of the management to find out if it was allowed, but I was retired before there was any answer.

BigBird:

--- Quote from: ballisticboy on September 12, 2021, 04:48:50 PM ---
--- Quote from: BigBird on September 12, 2021, 01:10:50 PM ---
Tungsten is too expensive too.  Instead of shooting expensive tungsten a friend of mine loads pea gravel in his PB shotgun shells to comply with waterfowl hunting laws.   Gets a new barrel when it wears out.  It's cheaper even when you figure in a new barrel.  And that's the craziness of these laws too.


--- End quote ---

I seem to remember from the tank ranges that there are pollution problems with tungsten as well. When I was looking at using mini tank ammunition type long rods for sniper ammunition, I asked some of the management to find out if it was allowed, but I was retired before there was any answer.

--- End quote ---

I think people can find problems with any substance.  Although I found this:

"Some forms of tungsten can move readily though soil and groundwater under certain environmental conditions. ... Scientists have shown that exposure to tungsten can stunt the growth of plants, cause reproductive problems in earthworms, and trigger premature death in certain aquatic animals."

https://phys.org/news/2009-01-health-environmental-tungsten.html?&ampcf=1

Well, maybe I agree to a certain extent. I think earthworms "biology" is already messed up enough!

subscriber:
Heavy going, but insightful!

How do I vote this thread up?

JuryRigger:

--- Quote from: subscriber on September 14, 2021, 06:16:59 AM ---Heavy going, but insightful!

How do I vote this thread up?

--- End quote ---
It used to show in the header bar along the top of the page, but not seeing it??
Edit-looks like that function is completely turned off here....
Jesse

subscriber:
I had no idea that group size could be calculated/predicted.  I am surprised that the best slug lengths are so short.  Is that with the stability factor at 1.5 for all cases; or a fixed barrel twist?

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