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A machine gun (MG) is a fully automatic, rifled auto-loading firearm designed for sustained direct fire with rifle cartridges. Other automatic firearms such as automatic shotguns and automatic rifles are typically designed more for firing short bursts rather than continuous firepower and are not considered true machine guns. Submachine guns fire handgun cartridges rather than rifle cartridges, therefore they are not considered machine guns, while automatic firearms of 20 mm (0.79 in) caliber or more are classified as autocannons rather than machine guns.
A submachine gun (SMG) is a magazine-fed automatic carbine designed to fire handgun cartridges. The term "submachine gun" was coined by John T. Thompson, the inventor of the Thompson submachine gun, to describe its design concept as an automatic firearm with notably less firepower than a machine gun. As a machine gun must fire rifle cartridges to be classified as such, submachine guns are not considered machine guns.
A cleanroom or clean room is an engineered space that maintains a very low concentration of airborne particulates. It is well isolated, well controlled from contamination, and actively cleansed. Such rooms are commonly needed for scientific research and in industrial production for all nanoscale processes, such as semiconductor manufacturing. A cleanroom is designed to keep everything from dust to airborne organisms or vaporised particles away from it, and so from whatever material is being handled inside it.
Tippmann is an American manufacturer of paintball markers and paintball equipment, including military simulation (MilSim) kits. Tippmann Industrial Products, a related company manufactures manual and pneumatic heavy-duty sewing machines primarily used for leather, other leather-related equipment, and some industrial products. Originally a family-owned business run from Fort Wayne, Indiana, in 2004 Dennis Tippmann Sr. sold a majority ownership stake to Summit Partners, a private equity firm. Tippmann designed one of the first automatic markers, the use of refillable air systems in place of 12 gram cartridges, the "Cyclone Feed" system, the "Flatline" barrel, and the Tippmann C-3, the first propane-powered marker.
A magazine, often simply called a mag, is an ammunition storage and feeding device for a repeating firearm, either integral within the gun or externally attached. The magazine functions by holding several cartridges within itself and sequentially pushing each one into a position where it may be readily loaded into the barrel chamber by the firearm's moving action. The detachable magazine is sometimes colloquially referred to as a "clip", although this is technically inaccurate since a clip is actually an accessory device used to help load ammunition into a magazine or cylinder.
The .22 Winchester Magnum Rimfire, also known as the .22 WMR, .22 Magnum, .22 WMRF, .22 MRF, or .22 Mag, is a rimfire cartridge. Originally loaded with a bullet weight of 40 grains (2.6 g) delivering velocities in the 2,000 feet per second (610 m/s) range from a rifle barrel, .22 WMR is now loaded with bullet weights ranging from 50 grains (3.2 g) at 1,530 feet per second (470 m/s) to 30 grains (1.9 g) at 2,200 feet per second (670 m/s).
A paintball marker, also known as a paintball gun, paint gun, or simply marker, is an air gun used in the shooting sport of paintball, and the main piece of paintball equipment. Paintball markers use compressed gas, such as carbon dioxide (CO2) or compressed air (HPA), to propel dye-filled gel capsules called paintballs through the barrel and quickly strike a target. The term "marker" is derived from its original use as a tool for forestry personnel to mark trees and ranchers to mark wandering cattle.
Paintball is an equipment-intensive sport and in order to safely conduct a game, every player requires a marker with propellant to fire the paint, a mask to protect the eyes and face, paintballs, and a loader to hold them. To ensure safety off the playing field, a barrel sock or plug for the marker is also compulsory.
Dieudonné Joseph Saive was a Belgian small arms designer who designed several well-known firearms for Belgian armsmaker Fabrique Nationale, including the Model 1949 and the FAL rifles. He is also known for modifying several of John Browning's firearms designs, including the 1931 Baby Browning and Browning Hi-Power pistols.
Crosman Corporation is an American designer, manufacturer and supplier of shooting sport products, with a long-standing presence in airgun design and a tradition of producing pellet and BB guns. Crosman is also a producer of many varieties of airgun and airsoft ammunition and CO2 Powerlet cartridges. In addition, Crosman sells branded, licensed products as well as a variety of airsoft guns.
The Automag is a paintball marker designed by Tom Kaye and produced by Airgun Designs, Inc. It bears the distinction of being the first semi-automatic marker ever to win a paintball tournament. Team Swarm used Automags in their victory at the 1990 International Masters.
The Shyft Group, formerly known as Spartan Motors, is an American automobile design company that designs, engineers and manufactures specialty chassis, specialty vehicles, truck bodies and aftermarket parts for the recreational vehicle (RV), government services, and delivery and service markets. The company started in 1975 as a direct result of the bankruptcy of Diamond Reo. It is currently headquartered in Novi, Michigan and has 3,000 employees.
Speedball is one of the three distinct game variants in the sport of paintball, along with woodsball and scenario paintball.
The CCI Phantom is a Nelson-based pump action paintball marker developed and produced by Mike Casady. Production began in 1987 after about six months of prototype work. The name for the marker was derived from the much more stealth-oriented and drawn-out style of play that was typical when the game was first developing. The Phantom was designed to be powered by a single 12-gram CO2 Powerlet, but larger tanks may also be used by removing the powerlet adapter or using a dummy powerlet. When first introduced the marker featured a fixed barrel assembly referred to as a "unibody" combined with a modified Crosman air pistol frame and brass bead sight. However, since roughly 1989 the body and barrel of the marker have been two distinct parts and no longer feature the bead style sight. The marker is also capable of supporting bulk gravity fed hoppers by using a different breach type. The Phantom is one of only a handful of readily available markers acceptable for use in the various forms of stock class paintball. However, because the Phantom is capable of auto-triggering and features barrel porting it is considered to be a modified stock class marker.
Nader Khalili was an Iranian-born American architect, author, and educator. He is best known for his inventive structures that incorporated a range of atypical building materials to provide shelter in the developing world and emergency contexts. His work was heavily influenced by the traditional arid house designs of Iran.
The Walther Model 1936 Olympia II is a single action semi-automatic handgun manufactured by Walther. The first version was the M1925, formally known as the Automatic Walther Sport Pistol cal. 22 LR, and was introduced in 1925. It was followed by the M1932, the Olympia Pistole I, and used to good effect in the 1932 Olympic Games. The final development Walther made was the M1936 Olympia II that won five gold medals at the 1936 Berlin Olympics and effectively ended the Olympic reign of the Colt Woodsman Target model. The pistol continued to be manufactured up until 1944, but no major changes were made during the war. In 1952 the pistol was reintroduced under license by Hämmerli-Walther. In 1957 Smith & Wesson introduced the Model 41, based on the Olympia-Pistole. The Norinco TT Olympia is a Chinese copy of the Walther M1936 Hunter made sometime after 1980. Most variants were chambered for the .22 Long Rifle but the Schnellfeuer version used the .22 short, produced to equip the German team for the Berlin Olympic Games of 1936 for the rapid fire events. The Olympia pistol is a fixed barrel, internal hammer, open-topped slide design and had a large contoured wooden grip which extended well below the bottom of the butt frame causing the necessity of the magazine bottom plate to be fitted with a wooden block extension. Once World War II started, the need for weapons quickly shifted from competition and sport to the military, thus Olympia production slowed.
The .450 Bushmaster (11.48x43mmRB) is a rifle cartridge developed by Tim LeGendre of LeMag Firearms, and licensed to Bushmaster Firearms International. The .450 Bushmaster is designed to be used in standard M16s and AR-15s, using modified magazines and upper receiver assemblies.
The TPX/TiPX is a magazine fed paintball pistol made by Tippmann. New to the paintball pistol market, Tippmann released the TPX in 2009. This paintball marker uses an air system that allows for 12 gram CO2 cartridges to be placed underneath the barrel. This was meant to eliminate bulk in the grip of the marker caused by placing the CO2 cartridge in the magazines. In 2011,Tippmann changed the name of the pistol to the TiPX to market all the improved parts at that time, as well as differentiate it from the TPX baseball line by Louisville Slugger.
Chiappa Firearms, Armi Sport di Chiappa, is an Italian firearms manufacturing company based in Brescia. It was founded in 1958 by Ezechiele Chiappa as Armi Sport. Total unit production is around 60,000 per year. Its U.S. headquarters are in Dayton, Ohio.
An electropneumatic paintball marker is a paintball marker that uses a pneumatic solenoid to actuate the hammer and/or bolt's movement.