Our expert's opinion

" I find this Delta Armory replica well thought out for those looking for a full metal MK18 base with a refined presentation and an overall feel that inspires confidence right from the first handling. I particularly appreciate the CNC aluminium handguard with its Picatinny rails, the flip-up sights already included, and the quick-change spring system, a real bonus for easily adapting the configuration. "
Arthur
Graphiste chez OPS
Description
The Delta Armory AEG AR15 MK18 Alpha Full Metal replica, a fully metallic M4 platform built to last and evolve
The Delta Armory AEG AR15 MK18 Alpha Full Metal replica is a full metal M4 / AR15 electric replica, designed for both beginner players and experienced practitioners looking for a solid, immediately operational base built to receive upgrades. Its full metal construction, from the receiver to the flash hider and the CNC-machined aluminium handguard, clearly sets it apart from mixed metal and polymer platforms.
Full metal construction throughout, from the body to the details
The upper and lower receivers, buffer tube, outer barrel, flash hider and trigger are all metallic. The MK18-style handguard, featuring four rows of 22 mm Picatinny rails, is CNC-machined aluminium, giving it superior rigidity compared to a moulded part. The pistol grip is B5-style, a well-recognised format in the AR15 world for its ergonomic hold. A unique serial number is engraved directly on the body of the replica. The buffer tube is sized to accommodate high-capacity batteries, providing genuine freedom of choice in use. The replica weighs around 2,600 g, consistent with an all-metal construction in this compact format.
A reinforced V2 gearbox with premium factory components
The gearbox is a fully metallic Version 2, fitted with 7 mm ball bearings, an SHS reinforced 14-tooth metallic piston and an SHS delayer. These parts, often the first to be replaced during an upgrade on a standard replica, are included here as standard. The High Torque motor features neodymium magnets, which improve torque and trigger responsiveness. The precision barrel measures 363 mm with a 6.03 mm inner diameter, corresponding to a precision profile suited to standard BBs. The replica runs on rear wiring with a Mini Tamiya connector and comes with a NiMH 9.6V double-stick battery housed in the buffer tube. The hop-up chamber is rotary and adjustable. An adjustable internal ETU with multiple functions is integrated into the gearbox. Available firing modes are safety, semi-automatic and full-automatic.
The QRS gen. 2 system and Quick Motor Change: two features that transform maintenance
The second-generation Quick Release Spring (QRS) system allows the gearbox spring to be changed without disassembling the replica. In practice, this feature radically simplifies power adjustment to suit field rules, with no special tools and without opening the body. The Quick Motor Change system, integrated into the B5-style pistol grip, allows the motor to be accessed and replaced just as quickly. These two features, combined with a V2 gearbox compatible with aftermarket parts, make this replica a genuinely upgradeable platform. The gearbox accepts springs up to M120-M130, with the caveat that equivalences between brands may vary. The outer barrel thread pitch is 14 mm counter-clockwise (CCW), the standard for fitting suppressors or other muzzle devices.
An MK18 handguard for immediate customisation
The CNC aluminium handguard offers 22 mm Picatinny rails on all four sides, allowing the mounting of optics, red dots, tactical flashlights or lasers without an adapter. Front and rear flip-up sights are included as standard, providing an operational configuration straight out of the box. The total length of the replica varies between 700 and 790 mm depending on stock position, making it a compact format suited to indoor engagements as well as light outdoor configurations. The replica is available in three colours: Black, Full Tan and Half Tan. A CQD sling attachment is located between the body and the buffer tube for carrying the replica.
Frequently asked questions (FAQ)
- What is included in the box of the Delta Armory AEG AR15 MK18 Alpha Full Metal replica?
The pack includes the replica, a 120-bbs DMAG Mid-Cap magazine, a 9.6V 1100mAh NiMH battery in double-stick format, and a battery charger with LED indicator and automatic shut-off function. This complete set allows for immediate use straight out of the box, with no additional power equipment required.
- What materials make up the Delta Armory AEG AR15 MK18 Alpha Full Metal replica?
This model features a full metal construction, including the body (upper and lower), buffer tube, outer barrel, modern CNC trigger, and flash hider. Its MK18-style handguard is CNC-machined aluminium for enhanced durability.
- How is the spring changed on this model?
The replica is equipped with the QRS gen. 2 quick-change spring system developed by Delta Armory. This mechanism allows the spring to be replaced directly through the buffer tube, without requiring full disassembly of the gearbox or body.
- What battery connector is used and where is it housed?
Power is supplied via rear wiring fitted with a Mini Tamiya connector. The dedicated compartment is located inside the buffer tube, which is sized to accommodate the included 9.6V battery or a LiPo battery with the same connector type.
- What accessories can be mounted on the MK18 handguard?
The handguard features 3 Picatinny rails on the bottom and sides, complemented by a full-length top rail for mounting scopes, grips, tactical flashlights, or lasers. The outer barrel also has a 14mm CCW (counter-clockwise) thread to fit a suppressor or tracer unit.
- What internal parts are fitted in the V2 gearbox of this replica?
The reinforced gearbox comes stock with 7mm metal bearings, a reinforced SHS piston with 14 metal teeth, and an SHS delayer. The assembly is driven by a High Torque motor with neodymium magnets, connected to a rotary hop-up chamber and a 6.03mm inner barrel measuring 363mm in length.
- Who is the Delta Armory AEG AR15 MK18 Alpha Full Metal replica aimed at?
Thanks to its realism, full metal construction, and ready-to-play pack, this model is suitable both for beginner players looking for reliable equipment from their very first games, and for experienced players seeking a modular platform compatible with standard version 2 internal parts.
Product content
1 x AEG AR15 MK18 Alpha Full Metal Delta Armory replica
1 x DMAG Mid-Cap 120 BBs magazine
1 x NiMH 9.6V 1100 mAh double-stick battery
1 x Battery charger
1 x Instruction manual
Features
- Replicas
- Caliber 6 mm
- Propulsion AEG
- Battery slot Stock tube
- Connections Mini Tamiya
- Wiring Rear
- Shooting mode Safe / Semi-auto / Full auto
- Energy 1.5 J
- Speed 402 fps
- Minimum Length 700 mm
- Maximum Length 790 mm
- Weight 2630 g
- Internal barrel length 363 mm
- Internal barrel diameter 6.03 mm
- No screws 14 mm CCW
- Integrated tactical rail Picatinny 22 mm
- Charger Mid Cap 120 BBs
- How it works Adjustable Hop-Up
- Quick spring change Yes
- Engine High Torque
- Gearbox Version V2
- Body Metal
- Brand Delta Armory
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