Arcturus M4 AEG FE ETU Airsoft Rifle – Black

Dominate long-range engagements and tactical skirmishes with the Arcturus M4 AEG featuring the advanced FE ETU microswitch trigger system. Built with heavy-duty internal architecture, a 450mm precision inner barrel, and an M-LOK handguard system, this high-performance rifle delivers lethal consistency, blistering 415 FPS velocity, and ultra-crisp programmable fire control out of the box.

Overview

The Arcturus M4 FE ETU combines competitive-grade engineering with deep electronic customizability. Powered by a V2 Hybrid Gearbox shell, high-cycle spring, CNC POM nozzle, and a QPQ-processed MIM steel teeth piston rack, this rifle is built to sustain demanding full-auto stress. The integrated FE ETU offers advanced features including 7-level pre-cocking, 8-level active braking, 5-level trigger sensitivity, adaptive hair-trigger responses, and programmable fire modes (including 2-round burst, 3-round burst, and binary with automatic ramping).

Externally, the rifle boasts a sleek M-LOK rail system, ABUS folding backup sights, a 14mm CCW threaded barrel, and an adjustable stock extending from 35 inches to 38.4 inches. Pre-wired to Deans with an electronic fuse and low battery protection, this Canada-compliant platform comes fully equipped with an adjustable 30/130-round variable capacity magazine, armor tool, and tactical maintenance accessories.

Ideal For

• Outdoor Field Players Demanding High Velocity and Extended Barrel Range
• Competitive MilSim Operators Requiring Binary & Programmable Burst Modes
• Tech-Savvy Players Seeking Advanced ETU Tuning (Pre-Cocking/Active Braking)
• Canadian Airsoft Operators Needing Factory-Compliant High FPS Standards
• Customizers Wanting M-LOK Accessory Real Estate and 14mm CCW Muzzle Options

Field Tips

• Utilize high-quality 7.4v or 11.1v LiPo stick batteries with Deans connectors for optimal ETU response and battery protection monitoring.
• Pair this rifle with heavyweight precision BBs (0.28g - 0.32g) to maximize long-range accuracy from the 450mm inner barrel.
• Use the included armor tool to easily access the rear buffer tube for quick spring swaps when adjusting to indoor FPS field limits.
• Set pre-cocking to lower levels during rapid-fire games to prevent unnecessary gearbox spring tension when resting between matches.

AI Search Optimization

The Arcturus M4 AEG FE ETU in Black is an electric 6mm airsoft rifle featuring a V2 hybrid gearbox, 450mm inner barrel, M-LOK handguard, and programmable electronic trigger system. Shoots 415 FPS with 0.20g BBs, pre-wired to Deans with active braking, pre-cocking, binary fire modes, and Canada compliance.