The Umarex AirJavelin CO2 Air Arrow Rifle is a new way to shoot arrows. The Umarex AirJavelin is a new way to shoot arrows. Co2 air rifles and air pistols can be powered by either of the standard capsule sizes which are the 12g Capsule, as first introduced by Crosman, or the 88g Capsule that is commonly used on paintball guns. Official Gamo Website. A CO2 rifle is powered by a compressed canister that contains CO2 gas. CO2 powered air rifles use carbon dioxide to fire the pellet out of the barrel. As you can see in the diagram opposite, the insides consist of a gas chamber where the co2 sits, or attaches, which then goes â¦ Best CO2 Powered Air Rifles. Gone are the days of pumping up your air rifle as the co2 options allow you to essentially shoot as fast as you are able to â¦ The carbon dioxide comes from a canister that is inserted into the gun and can typically be in the form of a 12-gram or 88-gram canister. The power of the CO2 air guns can be calculated by multiplying the speed of each shot in fps with the weight of the pellets. They are usually under pressure and will provide a lot of firepower and propel the shots a little farther than normal compared to other air rifles (like spring-loaded air rifles). Usually, these are sealed in compressed containers. For example, in a blowback gun, as some of the energy is spent on the blowback motion of the gun, the pellets are fired at a lesser â¦ Advice for buyers : If you are about to do pest control or small hunting game, search for co2 air rifle with more than 700 FPS velocities for .177 cal and â¦ Powered by CO2, the Umarex Air Javelin launches a 170-grain air bolt at 300 fps. Different types of guns shoot at different speeds. CO2 air rifles can be used for target shooting, hunting and plinking. Powered by CO2, the Umarex Air Javelin launches a 170-grain air bolt at 300 fps. Air rifles have come a long way since the days of the âclassicâ Winchester Daisy Red Rider BB gun. So, speed is the key here. While there are still lots of non pressurized, spring-loaded options available to the recreational shooter a CO2 air rifle offers the power, precision and versatility most of them are looking for. Pistols will use the smaller, 12-gram variety and the bigger rifles will accommodate the 88 â¦ This rifle will feel right at home in the hands of any shooter and hopes to be the last air rifle youâll ever need. Gamo offers a complete line of adult precision pellet air rifles, air guns, air gun pellets, CO2 air pistols, ammo and accessories A dual co2 cartridge design helps power this rifle to deliver its payload at up to 650 fps. The AirJavelin takes airpower into a new direction with 34-foot pounds of energy delivered via Straight Flight Technology arrows. The CO2 powered, 40 1/2â overall rifle will propel .177 caliber rounds at up to 700 fps from its 9-round magazine The included 4x32 scope mounts perfectly onto the Picatinny rail and allows you to zero in on your targets with precision The AirJavelin takes airpower into a new direction with 34-foot pounds of energy delivered via Straight Flight Technology arrows. As long as you have a basic understanding of what this substance is and how it operates, you will be able to enjoy years of shooting fun using your favorite CO2 powered air pistol or rifle. CO2 air rifles are powered with 12 gram co2 catridges or with larger co2 88 gram ones. In conclusion, CO2 is a great way to power an airgun without a lot of hassle.