Umarex x H&K 416 A5 Mod1 Airsoft AEG Rifle w/ C.A.T. Split Gearbox and ARC FE ETU – Arcturus

Umarex x H&K 416 A5 Mod1 Airsoft AEG Rifle w/ C.A.T. Split Gearbox & ARC FE ETU (Arcturus)

The Umarex x H&K 416 A5 Mod1 Airsoft AEG Rifle is a premium, officially licensed replica of the world-renowned Heckler & Koch HK416 A5, engineered for players who demand realism, durability, and high-end electronic performance. Built in collaboration with Arcturus and equipped with the advanced C.A.T. Split Gearbox and ARC FE ETU system, this rifle delivers cutting-edge tuning capability, smooth cycling, and battlefield-ready reliability straight out of the box.

Designed for CQB and field dominance alike, the HK416 A5 Mod1 combines authentic military styling with modern performance upgrades, making it one of the most versatile M4-platform AEGs available today.

Authentic H&K Licensed Build Quality

This rifle features fully licensed Heckler & Koch trademarks, giving it a true-to-life military aesthetic. The heavy-duty metal receiver and handguard are finished with a weather-resistant powder coating for improved durability in harsh field conditions.

A licensed G95 M-LOK handguard provides modular attachment points at the 3, 6, and 9 o’clock positions, along with integrated QD sling mounts for tactical flexibility.

Advanced ARC FE ETU & Split Gearbox System

At the heart of this rifle is the Arcturus C.A.T. Split Gearbox, paired with the ARC FE Electronic Trigger Unit (ETU). This system allows players to fine-tune performance with precision electronic control, offering:

• Ultra-fast trigger response
• Consistent cycle control
• Enhanced durability under high-stress use
• Improved energy efficiency for LiPo batteries

The split gearbox design also simplifies maintenance and upgrades, making it one of the most user-friendly high-performance AEG platforms available.

Tactical Ergonomics & Field Performance

The HK416 A5 Mod1 is built for adaptability in any combat scenario. It features:

• Flip-up front and rear sights for backup aiming
• Ergonomic pistol grip with a more vertical angle for CQB control
• Slim Line telescoping stock with rubberized buttpad for comfort
• Ambidextrous controls including selector, bolt stop, and magazine release

The result is a rifle that feels natural whether you are clearing rooms or engaging targets at range.

Reliable Magazine System & Compatibility

Included is an H&K licensed 130/30 round magazine, offering both realism and practical field capacity. The platform is designed for compatibility with a wide range of aftermarket AR-style AEG magazines, making loadout flexibility simple.

Key Features

• Fully licensed Umarex x H&K replica
• Heavy-duty metal receiver with weather-resistant finish
• Arcturus C.A.T. Split Gearbox system
• ARC FE programmable ETU pre-installed
• M-LOK G95-style rail system with QD mounts
• Ambidextrous fire controls
• Slim telescoping HK stock
• Includes H&K licensed magazine

Why Choose the HK 416 A5 Mod1 AEG?

This rifle is built for players who want military realism combined with next-generation electronics. Whether you’re a competitive skirmisher or a milsim enthusiast, the HK416 A5 Mod1 offers the perfect balance of durability, modularity, and precision performance.

It’s not just a replica—it’s a modern tactical platform engineered for serious airsoft players.