Airsoft Upgrade Guides
Free technical guides covering every aspect of airsoft upgrades. From V2 gearbox teardowns to hop-up bucking comparisons, these guides help you choose the right parts and install them correctly.
Airsoft Parts Glossary
Not sure what a bucking, nozzle, or MOSFET actually does? Our glossary explains 38 key airsoft terms in plain language, and every entry links straight to live parts and prices so you can go from learning a term to shopping it in one click.
Browse the glossaryAirsoft Laws by State (USA)
NewFederal orange-tip rule, minimum purchase age, and state-by-state restrictions for all 50 states + DC. Pick your state to see what applies before you buy. Informational only, not legal advice.
Check your stateComplete V2 Gearbox Upgrade Guide for AEG Airsoft Guns
The Version 2 (V2) gearbox is the most common gearbox shell in airsoft AEGs, used in M4/AR-15, MP5, G3, and many other platforms. It features a two-piece vertic...
Best Airsoft Hop-Up Buckings in 2026: Complete Comparison Guide
A hop-up bucking (also called a hop-up rubber) is a small rubber sleeve inside the hop-up unit that applies backspin to the BB as it passes through. This backsp...
AEG vs HPA Airsoft: Complete Comparison Guide
AEG (Automatic Electric Gun) and HPA (High Pressure Air) are the two primary propulsion systems used in airsoft rifles. AEGs use a battery-powered motor and gea...
Airsoft MOSFET & ETU Guide: What They Do, Which to Buy
A MOSFET (Metal-Oxide-Semiconductor Field-Effect Transistor) in airsoft is an electronic component installed between the battery and motor that protects trigger...
Airsoft M870 Shotgun Upgrade Guide: Golden Eagle & Tokyo Marui
The M870 airsoft shotgun is a gas-powered pump-action platform sold most commonly by Tokyo Marui (TM) and Golden Eagle (GE). A stock gas M870 fires roughly 260 ...
Airsoft M870 HPA Conversion Guide: Green Gas vs HPA
Converting an airsoft M870 to HPA (High Pressure Air) replaces its onboard green gas system with an external air tank and regulator, delivering consistent FPS w...
Airsoft Gas Magazine Troubleshooting: Leaks, Feeding & Cooldown
An airsoft gas magazine stores propellant (green gas or CO2) and meters it to fire and cycle a gas blowback gun. The most common problems are gas leaks (usually...