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Air systemsHPA tanks · CO2 & filling
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Glossary

Paintball & Airsoft terms, explained

Short, plain definitions of the words you'll see on product pages and spec sheets. Each one links to a guide when there's more to know.

A

AEG
Automatic electric gun: a battery-powered airsoft replica. Read the guide →
ASTM F1776
The safety standard for paintball eye protection. Read the guide →

C

Chronograph
A device that measures projectile speed to enforce field limits. Read the guide →

G

Gas blowback
An airsoft system that uses gas to fire and cycle the slide or bolt for recoil. Read the guide →

H

HPA
High-pressure air: compressed air stored in a tank and regulated for the marker. Read the guide →
Hydro test
A periodic pressure test required for air cylinders; fields will not fill out-of-date tanks. Read the guide →

L

Loader
The hopper that feeds paintballs into a marker. Read the guide →

M

Marker
The paintball term for a paintball gun. Read the guide →

T

Thermal lens
A dual-pane goggle lens that resists fogging. Read the guide →