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copper
Copper is a chemical element with the symbol Cu (from Latin: cuprum) and atomic number 29. It is a soft, malleable, and ductile metal with very high thermal and electrical conductivity. A freshly exposed surface of pure copper has a pinkish-orange color. Copper is used as a conductor of heat and electricity, as a building material, and as a constituent of various metal alloys, such as sterling silver used in jewelry, cupronickel used to make marine hardware and coins, and constantan used in strain gauges and thermocouples for temperature measurement.
Copper is one of the few metals that can occur in nature in a directly usable metallic form (native metals). This led to very early human use in several regions, from c. 8000 BC. Thousands of years later, it was the first metal to be smelted from sulfide ores, c. 5000 BC; the first metal to be cast into a shape in a mold, c. 4000 BC; and the first metal to be purposely alloyed with another metal, tin, to create bronze, c. 3500 BC.In the Roman era, copper was mined principally on Cyprus, the origin of the name of the metal, from aes сyprium (metal of Cyprus), later corrupted to сuprum (Latin). Coper (Old English) and copper were derived from this, the later spelling first used around 1530.Commonly encountered compounds are copper(II) salts, which often impart blue or green colors to such minerals as azurite, malachite, and turquoise, and have been used widely and historically as pigments.
Copper used in buildings, usually for roofing, oxidizes to form a green verdigris (or patina). Copper is sometimes used in decorative art, both in its elemental metal form and in compounds as pigments. Copper compounds are used as bacteriostatic agents, fungicides, and wood preservatives.
Copper is essential to all living organisms as a trace dietary mineral because it is a key constituent of the respiratory enzyme complex cytochrome c oxidase. In molluscs and crustaceans, copper is a constituent of the blood pigment hemocyanin, replaced by the iron-complexed hemoglobin in fish and other vertebrates. In humans, copper is found mainly in the liver, muscle, and bone. The adult body contains between 1.4 and 2.1 mg of copper per kilogram of body weight.
I have a few boxes of 9mm 124gn RN copper plated bullets. 500 per box, made in Oregon. $40 per box. FTF in Hillsboro or $50 shipped, discrete paypal payment.
One full Remington bucket o bullets- 1400 36 grain copper plated hollow points
One pack CCI mini mag meateater -
300 36 grain copper plated hollow points
One pack CCI Stingers- 200 32 grain copper plated hollow points
Total 1900 rounds for $200 . sold as lot , ftf sale in PDX metro area. Will...
I have 750 rounds of Bulgarian surplus ammo. Light ball steel case corrosive. Asking .47 cents per round. This ad was corrected, after getting a friendly correction from a fellow member that is not Russian but indeed Bulgarian ammo from 1980.
Local pickup. Not willing to travel more than a...
Bought some 400 grain copper solids for my .500 magnum, pretty much just for fun.
Can't find much data for copper projectiles though, I can probably find some jacketed data and might be able to extrapolate from there, but if anyone had some good sources for data or experience I'd love to hear...
Up for sale, Southwest Washington, Vancouver area, Clark County area.
1, Winchester M22. .22lr 40gr copper plated solid. 500 rd pack. Sold
1 Federal Champion 40gr lead round nose. 500 round brick. Individual 50rd packed. Sold
1 Federal Champion Range Pack. 40 grain lead round nose. 800 round...
I just got a .22LR handgun I’d like to take to the range but I have not had luck finding in stores. I know Bi mart has them but I always get there once it’s cleaned out! I would like to get some Copper plated .22 LR preferably 40 grain but I’d like to try a few brands and different weights also...
Great product for Charger owners
Only fits the polymer frame ones
$50
Willing to ship
Allows AR buffer tube for stock or brace to be mounted.
Trade for :
Ar15 mags
Ar10 mags
9mm ammo at $.30 a round
Glock Mags
45/70 ammo
Open to trade offers
Never used or cut, just sat in the box. Black handle with copper rose blade finish, and fires like a rocket. 154-CM. Comes with original box, paperwork, sheath, and plastic knife bag. No trade interest. Any questions let me know, thanks.
PT-TR-2CR
Pickup in SE Portland area.