External Canister

External Canister

Types of Airsoft Guns

The guns used in Airsoft are typically replicas of real firearms. Airsoft guns can be divided into three groups by what powers them: spring powered, electric powered, and gas-powered.

Spring Powered

Spring-powered airsoft guns are single-shot devices that use elastic potential energy (EPE) stored in a spring to compress air to launch an airsoft pellet down the barrel of the gun. The user must cock a spring gun prior to each shot. This is typically achieved by pulling back the slide (pistols), bolt (rifles), or the grip on a shotgun, which in turn compresses the spring and makes the gun ready to fire. Because of this, these guns are by definition incapable of automatic or semi-automatic fire. Spring-powered airsoft guns are generally not as powerful as gas and electric models, although some spring shotguns and sniper rifles can be very powerful and shoot at velocities of 400–1000 FPS. These are not hard to find and are generally inexpensive, and don’t usually last long because of the tension created by a powerful spring.

While most electric guns also use springs for propulsion of the airsoft pellet, they are not considered to be in the same category as the single-shot spring-powered guns. Low-end spring guns tend to be much cheaper than their electric-powered equivalents due to their simplicity and lack of electrical components (spring assembly, electric motor, battery, and battery charger) and thus are widely available. These guns are less suited for competition because they are at a disadvantage against automatic guns in close combat and do not provide enough accuracy and power for long-range use. There are some exceptions, however, as higher-end spring-powered airsoft rifles can be quite expensive; these guns are typically suited for “marksman” applications in airsoft matches and provide competitive muzzle velocities. Additionally, pump shotguns are sometimes used, especially in CQB (Close Quarters Battle). In colder weather, spring pistols are more reliable than gas-powered pistols and even the batteries on AEPs (Automatic Electric Pistols) both of which can be adversely affected by extreme cold.

This represents one of the major advantages of spring-powered airsoft gun, as it can be fired in any situation, without reliance on an external source of power, such as batteries or gas. The lack of reliance on external power sources causes some players to favor spring powered guns. Spring guns are also less susceptible to the effects of water, where a battery-powered gun could malfunction when wet.

Spring-powered weapons are often cheaper than electric or gas powered weapons. They are also more readily available in most department stores. Because of their price and availability, spring guns tend to act as “training guns” to bring new players to airsoft games and are considered the primary weapon of “backyard skirmishes”. Almost all airsoft players at some point owned a spring weapon, whether for its actual use in the sport or for the replica value since some airsoft weapons are only available as spring versions.

Electric Guns

Electric guns, in their varying forms, use an electrically powered gearbox to compress a spring, which, when released, propels the pellet out of the barrel.

Automatic electric guns

An illustration of the working of a Version 2 gearbox

Electric-powered airsoft guns typically use a rechargeable battery to drive an electric motor, which cycles an internal piston/spring assembly in order to launch pellets. Automatic, 3 round burst, and semi-automatic operation is possible which gives these guns the popular name “automatic electric guns” or AEGs. These guns often attain muzzle velocities between 150 and 650 ft/s and rates of fire of between 100 and 6000 rounds per minute. They are the most commonly used and widely available type of airsoft gun.

These type of guns were developed in Japan and the Japanese company Tokyo Marui dominates the market. In a Tokyo Marui AEG, the motor drives a series of 3 gears mounted inside a gearbox. The gears then compress a piston assembly against a spring. Once the piston is released, the spring drives it forward through the cylinder to push a pellet into the chamber, through the barrel, and forward from the muzzle. Many manufacturers have now more or less replicated this basic model, adding reinforced parts or minor improvements. These guns are powered primarily by nickel metal hydride (NiMH) with varying voltages and milliampere hours ratings. The most common battery is an 8.4 V large battery (between 2200-5000 mAh.) Also available are “mini” and “stick” batteries, which generally have 900-1600 mAh capacities. Voltages for NiMH batteries range from 7.2 V, all the way up to 12 V. The rule of thumb usually is the higher the mAh, the longer the battery lasts while the higher voltage, the higher Rate of Fire (RoF). Recently, however, Lithium-Polymer, or Li-po, batteries are becoming more popular in the airsoft world. These batteries can last longer and have higher mAh and Volts while at the same time, being small and light. Li-po batteries are usually at 11.1 V or 7.4 V and at varying mAh from 500 mAh to 6500 mAh.

External modifications, such as metal bodies and reinforced plastics that make AEGs look and feel even more realistic, have become very popular. AEG manufacturers such as Classic Army and Tokyo Marui produce replicas that are visually nearly identical to their real counterparts. Tokyo Marui, however, sticks with a durable ABS plastic, whereas Classic Army features full metal bodied guns and stronger furnishings. Most AEGS produced as of late are designed to be as visually realistic as possible.

The three most common AEGs on the field are the AR-15 series (M16 rifle, M4 carbine, etc.; sometimes referred to as the ArmaLite or Colt series), the Heckler & Koch MP5 series, and the AK or Kalashnikov series. Also increasing popular is the Heckler & Koch G36 and more recently, FN P90. Subsequently numerous parts for repairs and modifications are commonly available for these rifles.

Gas Powered Airsoft Guns

Gas-powered airsoft guns use pressurized gas to propel pellets. These guns are capable of automatic and semi-automatic operation. The most common gases used are “green gas” (which consists of a mixture of propane and a polysiloxane lubricant) and HFC-134a. Less commonly used gases include “red gas” (which is actually HCFC-22), CO2 and nitrogen/high pressure air. Red gas is usually avoided unless the airsoft gun has undergone modification, as its relatively high critical pressure can cause damage to the airsoft gun, such as breakage of the slide or bolt. CO2, nitrogen, and high pressure air are less common because they need to be stored at higher pressures than “green gas” or HFC-134a.

The first ever gas powered airsoft guns were commonly referred to as ‘classic’ guns, owing to their age. These guns were most commonly powered by liquid propellants such as R-12 (Which was marketed by the Japanese as FLON-12 or brand name Freon-12) Freon feed system with a majority of the configurations containing two tanks, one containing the R-12 and one used as an expansion tank, and the gun itself. R-12 was commonly used in car air conditioning systems. It is also illegal in some states and parts of the world because it is not environmentally friendly. Later users modified these old guns to be powered by regulated CO2 canisters or nitrogen/high pressure air bottles to increase power and consistency. However, these guns have largely been superseded by the newer and more versatile AEGs, or automatic electric guns. One of the reasons for this is because the most commonly available propellant, R-12, is costly. Additionally, at high flow rates, liquid propellants tend to cool down, eventually freezing. As cooldown progresses, the rate of fire gradually decreases until the gun ceases operation. The user would then be forced to wait for the propellant to warm up again. CO2 is not affected as badly by this tendency, and nitrogen/high pressure air is immune to it. Furthermore, if liquid propellant is introduced into the gun’s mechanism, rubber parts can freeze and eventually damage the gun. However, it is unlikely for this to occur since once the gas is released from the containing cylinder it instantly turns back into its gaseous state, and expands rapidly. It is doubtful whether the retained pressure behind the pellet before it begins to accelerate down the barrel is enough to keep the gas in a liquid form. Also, any gun that is expected to be exposed to the intense cold of de-pressurizing gas should have materials that can handle it.

Gas power tends to be used in airsoft pistols where size constraints make electric-powered mechanisms impractical. Other instances where gas is favored are where adjustable velocities are required or where a blowback feature is desired. A blowback feature is a mechanism which cycles a slide or bolt to better simulate a real firearm’s operation. Because of the mechanical complexities involved with distributing and regulating gas, these guns have largely given way to electric guns for less specialized applications, however, they still remain favorable amongst some airsofters. They are not just limited to pistols; submachine gun airsoft replicas and sniper rifle airsoft replicas commonly use gas mechanisms. Whilst the submachine gun replicas typically feature a blowback mechanism similar to the pistol replicas, sniper rifle replicas usually omit the blowback mechanism in favor of reduced recoil and increased muzzle velocity.

Along with using gas to power guns, it is also applied for use in replica grenades. These grenades are both projectiles, fired from a grenade launcher such as the M203 or GP-25, or throwable. The shells work on the system of an internal piston, filled with gas. Either a series of pellets or in some cases a rubber or soft foam head is seated in or on top of the shell. When the pressure is released the projectile(s) are shot from the launcher sent downrange.

In the case of the throwable grenades, inside the grenade there is a similar piston to the one used in the shells, but is on a literal “timer” that allows the user to clear the area of effect. Pellets or powder act as the projectile in the case of these grenades. Currently both types of grenades are not very common, mostly because grenade launchers are quite expensive and the throwable grenades are not very reliable.

Classic Guns

Classic airsoft guns are usually older variety airsoft guns which are gas powered. Unlike the gas pistols of today, they can run on either an internal tank using conventional airsoft gas or use an external CO2 tank much like a paintball gun. They generally cost more than the standard AEG but provide a more realistic approach to airsoft. Some models, such as those made by the Sun Project, feature a type of “recoil” provided by these guns. While these guns can become more powerful than AEGs, almost all users operate them at AEG power. These replicas often are fitted with a LRB (Long Range Barrel) instead of a traditional hop-up unit. The LRB turns the entire barrel into a hop-up system, giving a consistent spin on the BB. The rate of fire on these can be regulated by the amount of air being fed through the system, versus the motor strength of an AEG.

Hop-Up

The “Hop” system, which is installed in most stock airsoft rifles and pistols, is used to add extra range to the pellets, by putting backspin on each as it is fired. This operates through a small rubber nipple, which protrudes into the top of the barrel through a small hole. Adjusting the Hop-Up makes the nipple vary in size, so that backspin is increased or reduced. Ideally, the Hop-Up should be adjusted so that the pellets fly as far as possible in a straight line. The Hop-Up adjustment is usually relatively easy to access, so that players can adjust it during play. On the majority of airsoft guns it is located underneath the innate bolt cover, but sometimes is only accessible by an Allen key.

About the Author

Established in 2009, HobbyChase is one of the largest suppliers of Airsoft Guns, and RC toys. HobbyChase is known for its great customer service and great knowledge in the Airsoft Gun & Toy Industry. Company also has plans to expand into the paintball industry in the near future.

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FISH TANK EXTERNAL CANISTER FILTER 530 GPH FREE MEDIA HW-304


$89.99


FISH TANK EXTERNAL CANISTER FILTER KIT 530 GPH W/ MEDIA HW-304


FISH TANK EXTERNAL CANISTER FILTER KIT 530 GPH W/ MEDIA HW-304


$89.99


Amway A101, E84, E-85, E-9225 Compatible Fit Replacement Water Filter


Amway A101, E84, E-85, E-9225 Compatible Fit Replacement Water Filter


$39.39


Amway ® * A101, E84, E-85, E-9225, Compatible Fit Replacement Water Filter – 7 1/4″ long X 3 7/8″ Diametrer – Fits Most Amway Undersink And Countertop Filter Housings – Threaded Connection Threaded screw connection on top of filter for proper connection. Amway ® * A101 , E-84, E-85 & E-9225 Compatible Replacement Water Filters. Fits E84, E-9225 & E-0085. Does not fit E-9396, E-9395 or 2045AD inl…

VacMaster VP210C Dry Piston Pump Chamber Machine, Metallic


VacMaster VP210C Dry Piston Pump Chamber Machine, Metallic


$1,499.95


Our VacMaster VP210 Chamber Machine provides the solution to the problem posed by other vacuum packaging machines currently on the market, how to vacuum package liquids and liquid-rich foods. Current machines on the market are suction machines, meaning…

Coghlan's 8794 Film Can Shaker Lids - Pack of 2


Coghlan’s 8794 Film Can Shaker Lids – Pack of 2


$0.99


2 – Pk. Coghlan’s Film Can Shaker Lids. What a clever, eco – friendly idea! Make salt and pepper shakers from 35 mm Kodak film cans! Great for backpacking, picnics, lunch box or camping! Just snaps right on. Spill- and moisture-proof. Order Now! Coghlan’s Film Can Shaker Lids…

Mr. Heater Propane Gas Quick Connect Coupling Adapter Kit #F276330


Mr. Heater Propane Gas Quick Connect Coupling Adapter Kit #F276330


$18.99


Gas Mate II. (1/4” Male pipe thread x Male plug). (Quick connect x P.O.L.). Eliminates wrenches; fits on all refillable propane cylinders; provides plug in/plug out use of appliances such as gas grills, torches, heaters, cookers, etc. Plastic disposable assembly tool supplied for assembly….

Watts 520021 RV/Boat Single Exterior Water Filter with Garden Hose Fittings


Watts 520021 RV/Boat Single Exterior Water Filter with Garden Hose Fittings


$34.50


Equipped with garden hose fittings to install outside of RVBoat to water supply hose. Cartridge 8 included with housing,bracket and wrench. Cartridge reduces chlorine, sediment, unpleasant tasteodors and voc’s. Flow rate 2.5 GPM….

Reda Portable Motorcycle Gas Can - 1 Gallon


Reda Portable Motorcycle Gas Can – 1 Gallon


$34.98


Ever have that sick feeling of running out of gas at 1 am in the morning and don’t know where the next gas station is? FINALLY there is some really cheap insurance to this dilemma. The “REDA Motorcycle Gas Can” is designed for Harley Davidson saddlebags, but also fits in Honda, Yamaha, Kawasaki, Victory & Spyder bags & trunks. It fits in the left and right side of hard bags and leather bags. Your …

Eheim Professionel II Aquarium Filter 2224


Eheim Professionel II Aquarium Filter 2224


$292.69


Eheim proffesionel series canister filters have been designed to provide you with technological innovations optimizing filtration as well as offering ease of handling and routine maintenance. Professionels offer unsurpassed multi-stage filtration for balanced long term biological and mechanical filtration….

Coolmax HD-250BK-U3 2.5 inch Aluminum USB3.0 Hard Drive Enclosure (Black)


Coolmax HD-250BK-U3 2.5 inch Aluminum USB3.0 Hard Drive Enclosure (Black)


$20.40


SpecificationsMfr Part Number: HD-250BK-U3Features: SuperSpeed USB 3.0 Interface10 times faster than USB 2.0Backwards compatible with USB 2.0/ 1.1USB bus powered, no power adapter requiredSupports most 2.5″ SATA I/II hard drivePower and HDD Activity LED lightsHot swap, Plug and PlayAluminum casing for heat dissipationInterface: USB3.0Transfer Rate: USB3.0 – upto 5Gbps; USB2.0 – upto 480MbpsMateria…

Samsung Spinpoint M8 HN-M101MBB 2.5 Inch 1TB SATA2 5400rpm 8MB Hard Drive Form Factor Cache


Samsung Spinpoint M8 HN-M101MBB 2.5 Inch 1TB SATA2 5400rpm 8MB Hard Drive Form Factor Cache


$110.00


Capacity: 1TB. Interface: SATA 3.0Gbps. Cache: 8MB. RPM: 5400 rpm. Form Factor: 2.5 inch. Data Transfer Rate (Max.): 300 MB/s. Average Seek time (typical): 12 ms. Shock: Operating: 325G 2ms. Non-operating: 900G 1ms. Power Management: Voltage: +5V +/- 5%. Spin-up Current (Max.): 1000 mA. Seek Power: 2.0 watts….

iMicro IMS25SATAB 2.5 inch USB2.0-SATA External Drive Enclosure (Black)


iMicro IMS25SATAB 2.5 inch USB2.0-SATA External Drive Enclosure (Black)


$7.99


SpecificationsMfr Part Number: IMS25SATABFeatures: All aluminum designSupports 2.5″ SATA HDDHigh-speed transfer rate upto 480MbpsPlug and Play & Hot-swappable connectionCompact design, quick and easy installationExternal interface: USB 2.0Internal interface: SATAColor: BlackSystem Requirements: Compitable with Windows 7Windows 98SE/ ME/ 2000/ XP/ 2003/ Vista; Mac OS 8.6 and above or LinuxAvailable…

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