![]() It is measured from an extension of a straight line drawn from the base of the front sight bead across the top surface of the open rear sight adjacent to the notch.ĭrop at Heel: The vertical distance from an extended line of sight to the heel of the stock. With airguns, this is not a significant value.ĭrop at Comb: The vertical distance from the line of sight to the comb, or Monte Carlo, of the stock. The Diesel can easily damage scopes, even those that are designed to take the Spring Piston-specific type of Recoil.ĭrift Lateral: The movement of a pellet when it moves away from the line of bore, caused by its rotation on its axis, in the direction of the rifling twist. Capable of delivering exceptional accuracy with modest power.ĭeflection: The change in the path of the projectile due to passing through a medium or can also be caused by wind.ĭiesel Effect: A detonation inside the pressure chamber (spring piston) when grease evaporates and the resulting gases ignite, caused by the heating of the compressed air in conjunction with the heat the piston seal generates while moving along the chamber walls. This is the class of airguns used in Olympic competition. MULTI-COATED – Multiple layers on at least one lens and all surfaces are coated at least once.įULLY MULTI-COATED – Multiple layers on all air-to-glass surfaces.Ĭompetition / Match Grade airgun: A modern airgun for precision and shooting balance. CO2 typically produces 500 psi at 32F (0C) and 1000 psi at 85F (29C), which provides a typical operating pressure of 750 psi in airguns.Ĭoated Optics: Coatings on lens surfaces reduce light loss and glare due to reflection for a brighter, higher-contrast image with reduced eyestrain.ĬOATED – A single layer on at least one lens.įULLY-COATED – A single layer on all air-to-glass surfaces ![]() Gaseous CO2 propels the projectile when the gun is fired. CO2 boils from a liquid state to a gas as the gun is charged. ![]() CO2 is in a fluid state when pressurized.ĬO2 Gun: Airgun powered by Carbon Dioxide (CO2) from a compressed liquid source. Caliber (cal): The numerical value of an approximation of a pellet diameter, measured in inches or millimeters.Ĭheckering: A diamond like pattern for ornamentation and enhanced gripping.Ĭheek Piece: A raised part of the side of the stock of a shoulder-arm.ĬO2: The chemical formula for Carbon Dioxide.
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