Our expert's opinion

" I find this Delta Armory M4 particularly well thought out for anyone looking for an AEG that is easy to handle, lightweight, and truly versatile between CQB and outdoor use. Its M-LOK handguard, included suppressor, and above all its QRS Gen. 2 system make it easy to adapt the configuration, with a battery and magazine also included to get started right away. "
Charly
Product Manager
Description
The AEG M4 AR15 M-LOK SilentOps 10" Charlie replica by Delta Armory, a compact M4 platform designed for progression and customization
The AEG M4 AR15 M-LOK SilentOps 10" Charlie replica by Delta Armory is an electric M4-type replica with a 10-inch handguard, designed for beginner to intermediate airsoft players looking for a serious, upgradeable, ready-to-play base straight out of the box. With its stock SHS internal components, quick-change spring system requiring no disassembly, and integrated compact metallic suppressor, it stands out clearly from standard entry-level replicas.
A build focused on durability and accessibility
The body is made of polymer, keeping the total weight at 2270 g for a length of 815 mm with the telescopic stock extended. The V2 gearbox is metallic and features reinforced metallic gears along with a SHS 14-tooth metallic piston: components typically found in upgraded builds, here installed from the factory. The 8 mm bearings complete the mechanical assembly. The precision barrel is brass with a 6.03 mm inner diameter and a length of 280 mm, corresponding to a standard precision profile for a 10-inch barrel.
The Gen. 2 QRS system and stock mechanical advantages
The most notable technical feature of this replica is its second-generation Quick Release Spring system, which allows spring changes without disassembling the replica. For a player looking to adjust their power output according to field rules, this is a concrete operational advantage. The V2 gearbox accepts springs up to M120-M130, leaving significant room for further upgrades. The motor also benefits from a quick-change system, making maintenance or upgrade work easier without requiring any special tools. The flat trigger, usually reserved for high-end configurations or modified replicas, is fitted here as standard and improves shooting comfort in semi-automatic mode.
Ergonomics, accessories and field compatibility
The 10-inch M-LOK handguard integrates Picatinny rails, allowing accessory placement to be adapted to the player's preferences. Picatinny rails are also present on the upper part of the replica to mount optics, red dots or any other compatible accessory. Adjustable front and rear sights are fitted as standard. The barrel threading is 14 mm counter-clockwise (CCW), a standard compatible with the vast majority of suppressors and tracers on the market. The included metallic suppressor features internal foam and can be replaced by a compatible tracer module. The battery is housed in the telescopic stock via a Mini Tamiya connector, with the NiMH 9.6 V battery included.
Frequently asked questions (FAQ)
- What items are included in the box of the AEG M4 AR15 M-LOK SilentOps Charlie Delta Armory replica?
The pack includes the AEG replica, a 120-bbs Mid-Cap magazine, and a factory-mounted metallic suppressor. A 9.6V NiMH 1100 mAh battery and its indicator-light battery charger are also included for immediate use.
- What battery can be used with this replica?
The box includes a 9.6V NiMH battery fitted with a Mini Tamiya connector, which fits directly into the telescopic stock.
- How does the spring change system work on this model?
The replica features the QRS Gen. 2 (Quick Release Spring) system, which allows the spring to be replaced quickly without fully disassembling the replica. Its reinforced metallic V2 gearbox accepts springs up to M120-M130 models.
- Is it possible to install a tracer unit on the replica?
Yes, the outer barrel features a standard 14mm counter-clockwise (CCW) thread compatible with tracers. Additionally, the inner foam of the included metallic suppressor can be removed to directly house a compatible tracer module.
- What materials are used in the construction of this model?
The replica features a durable polymer body, keeping the overall weight down to 2270 g. The internal mechanical components are built for longevity, with a metallic gearbox, reinforced metallic gears, and an SHS 14-tooth metallic piston.
- What types of accessories can be mounted on the handguard?
The handguard combines M-LOK interfaces and Picatinny rail sections to accommodate grips, flashlights, or lasers. The top section also features a full-length Picatinny rail, ideal for mounting optics alongside the included adjustable iron sights.
- What BB weight is recommended for shooting?
To get the most out of the 6.03mm brass precision barrel and the adjustable rotary hop-up unit, a BB weight between 0.20 g and 0.28 g is recommended. This precise adjustment ensures excellent consistency both in outdoor gameplay and CQB environments.
Product content
1 x AEG M4 AR15 M-LOK SilentOps 10" Charlie Delta Armory replica
1 x Mid-Cap 120 BBs magazine
1 x NiMH 9.6V 1100 mAh battery
1 x Battery charger
1 x Instruction manual
Features
- Replicas
- Caliber 6 mm
- Propulsion AEG
- Battery slot Stock (NiMH included and recommended)
- Connections Mini Tamiya
- Shooting mode Safe / Semi-automatic / Automatic
- Energy 1.5 Joules
- Speed 401 FPS
- Minimum Length 735 mm
- Maximum Length 815 mm
- Weight 2270 g
- Internal barrel length 280 mm
- Internal barrel diameter 6.03 mm
- No screws 14 mm CCW
- Integrated tactical rail Picatinny
- Charger Mid-cap 120 BBs
- How it works Adjustable Hop-Up
- Quick spring change Yes
- Gearbox Version V2
- Gears Reinforced metal
- Body Polymer
- Brand Delta Armory
Warning message
Important note concerning the use of this product : This product is a replica weapon intended for recreational use (role-playing games) known as "airsoft", the sale of which is prohibited to minors (under 18 years of age). By adding this product to your basket, you acknowledge that you are over 18 and that you are familiar with the basic safety rules for using this type of replica (wearing protective glasses and/or mask, suitable location, etc.).
Please note that the power ratings given for airsoft replicas may vary depending on supplier availability. We invite you to contact us for more details before your purchase in order to have a more precise measurement carried out by us. Consequently, OPS-Store cannot be held responsible for any discrepancies between supplier data and actual measurements.