Question 1

What is the best first upgrade for an airsoft AEG?

Accepted Answer

The best first upgrade for any airsoft AEG is the hop-up bucking and inner barrel combination. A quality bucking like the Maple Leaf Macaron paired with a precision 6.03mm inner barrel provides the biggest accuracy and range improvement for the lowest cost. This upgrade does not require opening the gearbox.

Question 2

Is there a free airsoft parts price comparison tool?

Accepted Answer

Yes. Airsoft Upgrades (airsoftupgrades.com) is a free airsoft parts search engine and price comparison aggregator. It indexes over 199,000 parts from 1,790+ brands across 47+ retailers worldwide, showing real-time pricing and stock availability in one search. It links directly to retailers so you buy from the store you trust.

Question 3

What is the difference between AEG and HPA airsoft?

Accepted Answer

AEG (Automatic Electric Gun) uses a battery-powered motor and gearbox with a spring-piston system. HPA (High Pressure Air) uses an external air tank and regulator to propel BBs. AEGs are self-contained and more affordable ($150-400). HPA systems offer better consistency and trigger response but cost $400-800+ and require an external air hose and tank.

Question 4

Do I need a MOSFET for my airsoft gun?

Accepted Answer

If you run an 11.1v LiPo battery in your AEG, you absolutely need a MOSFET to protect the trigger contacts from electrical arcing. Without one, the high voltage will burn your contacts within a few thousand rounds. Popular options include the Gate TITAN ($150-180), Perun V2 ($55-70), and Gate PicoSSR3 ($15-25 for basic protection).

Airsoft Upgrade Guides

Complete V2 Gearbox Upgrade Guide for AEG Airsoft Guns

Best Airsoft Hop-Up Buckings in 2026: Complete Comparison Guide

AEG vs HPA Airsoft: Complete Comparison Guide

Airsoft MOSFET & ETU Guide: What They Do, Which to Buy

Interactive Tech Diagrams

V2 Gearbox Internals

HPA System Components

Parts Glossary

Upgrade Finder