Delta Armory Freya Series Grandpower Licensed GP R15 Airsoft AEG Rifle w/ Eagle Optical Unit – 10" M‑LOK / OD Green

The Delta Armory Freya Series Grandpower Licensed GP R15 Airsoft AEG Rifle in OD Green brings together licensed authenticity, next‑gen electronics, and full‑metal construction—all wrapped in a modernized Slovak‑designed exterior. Engineered for players who expect battlefield‑ready performance straight out of the box, this rifle represents the best of Delta Armory’s second‑generation FREYA lineup. Featuring upgraded internals, a redesigned ergonomic exterior, and the advanced Eagle Optical Unit programmable MOSFET, this rifle is built to perform in highly competitive environments such as CQB arenas and fast‑paced field games.

Licensed Construction with Modern Billet Styling

Fully licensed by Grandpower, the GP R15 includes authentic trademarks deeply stamped into both sides of the aluminum billet-style receiver. The detailing, machining, and markings deliver a realistic look that mirrors its real-steel counterpart.

The full metal construction extends to the body, CNC free‑float handguard, trigger, sling points, and other external components. The ultra‑slim CNC M-LOK handguard offers exceptional rigidity while keeping weight down. It includes four QD sling mounting points, allowing for quick sling swaps and flexible loadouts.
The handguard’s 10-inch (25.5cm) length strikes the ideal balance—long enough for proper support hand placement yet short enough for tight indoor movement.

Upgraded FREYA Gen 2 Platform – No Compromise Performance

Generation 2 of the FREYA series introduces significant upgrades, making this model one of the most advanced rifles in Delta Armory’s lineup. The highlight is the Eagle ETU opto‑magnetic processor MOSFET, pre-installed from the factory. This system provides:

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  Ultra-fast trigger response

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  Adjustable trigger sensitivity

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  Adjustable trigger travel via a built-in screw

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  Active Brake for precise cycling

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  Battery health monitoring with audible alerts

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  11.1v LiPo readiness with a Deans-T connector

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Combined, these upgrades ensure crisp, clean shots with minimal delay—perfect for competitive players demanding instant response.

The ETU also protects your battery by preventing over‑charge and over‑discharge, extending battery life and improving long-term reliability.

Improved Ergonomics – Stock, Grip & Controls

The Delta Stock v.2 provides enhanced comfort with its rubberized buttpad and modern geometry. It features multiple sling points and allows internal storage for stick‑type 11.1v LiPo batteries.

The new pistol grip v.2 delivers improved ergonomics and includes a refined motor height adjustment system to maintain consistent motor engagement.

Ambidextrous sling mount points and a functional bolt stop for hop-up access add to the rifle’s ease of use.

Internal Build Quality – Built for Reliability and Upgrades

Internally, the GP R15 carries the proven Delta Armory drivetrain with several performance-forward components:

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  SHS piston with full‑metal rack

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  SHS piston wheel handle

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  Rotary hop-up chamber

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  6.03mm precision tightbore barrel

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  7mm metal bearings

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  Durable metal gearset

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  SHS feeder lever

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Players also benefit from the QRS Gen. 2 quick-change spring system—swap your spring without opening the gearbox, making FPS tuning extremely easy. The motor can also be quickly replaced thanks to the easy-access system.

For players hungry for more performance, the rifle includes CNC upgrade components such as:

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  CNC 16:1 gears

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  CNC piston head

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  CNC cylinder head

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  CNC nozzle

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  CNC stainless steel cylinder & spring guide

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  High‑torque motor

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Everything is already optimized for durability and strong, consistent cycling at 380–400 FPS.

Perfectly Tuned for CQB and Tactical Field Use

With its 10" M‑LOK front end, fast trigger electronics, and compact profile, the GP R15 is ideal for indoor CQB while remaining effective for mid‑range engagements outdoors. The OD Green finish adds a tactical, field-ready style that stands out while still blending into woodland and urban environments.