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Bullets and Lead Poisoning


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#1 SilvrHairDevil

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Posted 29 September 2009 - 12:14 PM

"Earlier this year, the National Park Service announced a controversial plan to ban lead ammunition and fishing tackle in the parks, which Acting Director Dan Wenk said “will benefit humans, wildlife, and ecosystems inside and outside park boundaries.”

Cheap, durable and readily available, lead has been used in weapons and other products since the Romans first mined it more than 2,500 years ago. Bullets have contained lead, which upon impact mushrooms to create a larger wound, since the 14th century.

But lead is a dangerous neurotoxin, particularly for children and fetuses. Low levels can harm children’s developing brains, causing learning disabilities and reduced IQs. High levels can trigger severe neurological problems."

http://www.scientifi...on-ban#comments

#2 Hippie3

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Posted 29 September 2009 - 12:21 PM

lead shotgun pellets are the culprit-
they fall on the ground
where they often are eaten by
waterfowl
which subsequently enter
the human food-chain.
a good decision from the government, for once.
steel shot is still quite cheap, very effective
and harmless if ingested.

#3 firerat

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Posted 29 September 2009 - 12:41 PM

lead shotgun pellets are the culprit-
they fall on the ground
where they often are eaten by
waterfowl
which subsequently enter
the human food-chain.
a good decision from the government, for once.
steel shot is still quite cheap, very effective
and harmless if ingested.


Almost all rounds will contribute to this.

FMJ and hollow-point rifle and pistol rounds are just lead covered in brass. And shotgun slugs are just big ole rounded hunks of lead. Once those rounds settle into the ground or lake bed or wherever you going to have lead leeching out of them into the soil, groundwater, foilage, etc. poisoning the wildlife and any people eating fish from the lakes or hunted animals. Or even fruits from the trees.

Agreed this is a smart step on the part o' the gubment.

Edited by firerat, 29 September 2009 - 12:42 PM.
poor spelling


#4 Guest_Glasshopper_*

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Posted 29 September 2009 - 01:26 PM

would not steel shot & bullets destroy barrels fairly quickly?

#5 dreadydavo

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Posted 29 September 2009 - 01:49 PM

Sorta on the same topic i recently saw new airgun pellets on the market that were lead-free and made of some "ballistic alloy" as they called it. Evidently their great feature is not that their environmentally friendly but that the new alloy increased velocity by up 20 some-odd percent. i'm just wondering if this alloy has been applied to firearms yet. Improved performance and safer for the environment... well unless its a direct hit.

#6 suckerfree

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Posted 30 September 2009 - 12:16 AM

Steel Shot Vs. Lead Shot
By Joe White


Lead pellets are the traditional material for shotgun shooting, but more recently, steel has emerged as a popular alternative. Steel pellets are lighter, faster and harder, each of which offers various advantages and disadvantages. Lead has also garnered criticism for its toxicity and deleterious effect on the environment.

Shot String
1. Steel is a much harder metal than lead, but it is also lighter. As a result, the shot string (the form a round's worth of pellets takes en route to the target) is much more focused with steel pellets than with lead. When shooting with lead pellets, each shot string spreads out much more, which means that each shot covers a larger area. This means that targets are easier to hit with lead pellets, especially a moving target.
Effective Range
2. On the other hand, the fact that steel forms a tighter shot string means it has a greater effective range. The pellets in a round of steel shot remain closer together and take many more yards to disperse to ineffective distance. Thus, steel shot is more effective at longer distances than lead shot.
Penetration
3. Steel's lighter weight has another side effect. If an equal powder charge is applied to steel pellets and lead pellets, the steel pellets will accelerate faster. As a result, steel pellets have a greater muzzle velocity than lead pellets, generally by about 10 percent. The speed differential, combined with the fact that steel is harder than lead, means that steel penetrates more deeply than lead, and can therefore cause greater damage to the target.
Deformation
4. Since lead is softer than steel, it can become deformed by collisions with the barrel and with other pellets that it may come in contact with. The deformation of lead pellets is one reason why lead shot spreads out faster and farther than steel shot, since deformed pellets do not fly as true as spherical pellets. The deformation can also slow down the pellets as they fly through the air, which decreases the effective range of the round.
Toxicity
5. Steel is becoming more popular in certain regions because lead is toxic. Of course, the danger is irrelevant to an animal being shot, which will end up dead either way. The danger comes in the in the pellets that fall to the ground. Fowl of various types have been known to swallow these pellets, perhaps mistaking them for digestion-aiding gravel. The birds can then digest and absorb the toxic substance and become ill or die.
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