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carbon barrel
Carbon dioxide (chemical formula CO2) is a colorless gas with a density about 60% higher than that of dry air. Carbon dioxide consists of a carbon atom covalently double bonded to two oxygen atoms. It occurs naturally in Earth's atmosphere as a trace gas. The current concentration is about 0.04% (412 ppm) by volume, having risen from pre-industrial levels of 280 ppm. Natural sources include volcanoes, hot springs and geysers, and it is freed from carbonate rocks by dissolution in water and acids. Because carbon dioxide is soluble in water, it occurs naturally in groundwater, rivers and lakes, ice caps, glaciers and seawater. It is present in deposits of petroleum and natural gas. Carbon dioxide is odorless at normally encountered concentrations, but at high concentrations, it has a sharp and acidic odor. At such concentrations it generates the taste of soda water in the mouth.As the source of available carbon in the carbon cycle, atmospheric carbon dioxide is the primary carbon source for life on Earth and its concentration in Earth's pre-industrial atmosphere since late in the Precambrian has been regulated by photosynthetic organisms and geological phenomena. Plants, algae and cyanobacteria use light energy to photosynthesize carbohydrate from carbon dioxide and water, with oxygen produced as a waste product.CO2 is produced by all aerobic organisms when they metabolize carbohydrates and lipids to produce energy by respiration. It is returned to water via the gills of fish and to the air via the lungs of air-breathing land animals, including humans. Carbon dioxide is produced during the processes of decay of organic materials and the fermentation of sugars in bread, beer and wine making. It is produced by combustion of wood and other organic materials and fossil fuels such as coal, peat, petroleum and natural gas. It is an unwanted byproduct in many large scale oxidation processes, for example, in the production of acrylic acid (over 5 million tons/year).It is a versatile industrial material, used, for example, as an inert gas in welding and fire extinguishers, as a pressurizing gas in air guns and oil recovery, as a chemical feedstock and as a supercritical fluid solvent in decaffeination of coffee and supercritical drying. It is added to drinking water and carbonated beverages including beer and sparkling wine to add effervescence. The frozen solid form of CO2, known as dry ice is used as a refrigerant and as an abrasive in dry-ice blasting. It is a feedstock for the synthesis of fuels and chemicals.Carbon dioxide is the most significant long-lived greenhouse gas in Earth's atmosphere. Since the Industrial Revolution anthropogenic emissions – primarily from use of fossil fuels and deforestation – have rapidly increased its concentration in the atmosphere, leading to global warming. Carbon dioxide also causes ocean acidification because it dissolves in water to form carbonic acid.
Selling as I am giving up on Elk. Don’t try to talk me out of it :).
Less than 50 round through it. In pristine condition. No scratches. Optic not included. I have the original box and paperwork.
Retail was $2499
I’m asking $1900
Lane Precision Rifle, chambered in 300 SS and 6.5 GAP 4S.
- 300 SS - PROOF Patented carbon fiber-wrapped, match-grade 22" barrel with 1:10 twist. Sendero profile. Ti Pro 5-Port Muzzle Break. 100 firings with 200gr Berger Hybrid Targets @ 2960 fps.
- 6.5 GAP 4S - PROOF Patented carbon...
Christensen Arms Ridgeline 300RUM new in the box.
Upgraded Tactical bolt knob will also come with the smaller standard bolt knob.
Has a Christensen Arms 20 moa pic rail on it now.
Have a target with a 3 shot group from Christensen that is .6 moa at 100yards. Comes with Sub moa guarantee from...
Lightly used, bought in late spring new. I have 7 boxes through it. Just took an antelope with it. Awesome gun with lots of custom features. Need to sell for another purchase. Gun is 98% with small blemish from when I mounted the scope (see pics). This gun drives tacs and the Antelope dropped in...
Proof Research carbon barrel for ar15 in 223 wylde. 16”. Has geissele gas block. Only a handful of rounds through this. 1:8 twist. Like new. Shoots 556 and 223. $600 for barrel (that is 25% off an $800+ barrel). I also have a lightweight/low mass bcg that goes perfect with it. Kaiser bcg. Will...
Remington 700 vs composite, in 22-250, These rifles were offered in 2000 out of the “custom shop” 1.25” carbon fiber bull barrel, HS Precision stock, adjustable trigger set at 2.5lbs. Great coyote or varmint rifle. Sorry for the other rifle in some of the pics, the Weatherby is not for sale...
I have a Christensen arms ridgeline chambered in 300 PRC. About 75 rounds down the barrel doing barrel break in and load data. Gun has a Leupold 20 moa base and a kydex adjustable cheek riser also have the vias brake that it comes with. Ammo, dies, and brass are available for extra $$$ 1700 obo