CA Full Metal Armalite M15A4 Full Stock Carbine AEG Airsoft Rifle ( X

The AR-15 platform remains one of the most recognized and adaptable firearm designs in the United States, serving enthusiasts from competitive shooters to those focused on home defense and recreational target practice. For airsoft players who train with or simply appreciate the handling characteristics of a classic carbine, the CA Full Metal Armalite M15A4 Full Stock Carbine AEG Airsoft Rifle offers a realistic training and skirmishing tool that mirrors the weight, balance, and manual of arms of its centerfire counterpart. This AEG is built for those who want to practice transitions, reloads, and shooting fundamentals without the cost and noise of live ammunition, making it a practical choice for backyard ranges, organized airsoft fields, or dry-fire practice at home.

What This Product Is and Who It’s For

This is a full-metal, electric-powered airsoft replica of the Armalite M15A4 carbine, chambered in 6mm plastic BBs, designed to simulate the look and function of a standard AR-15 pattern rifle. It is intended for airsoft players, law enforcement and military personnel conducting force-on-force training, and firearm owners who want a low-cost, low-risk tool for practicing weapon manipulation. The full stock variant provides a stable cheek weld and a consistent length of pull, making it suitable for shooters with longer arms or those who prefer a fixed stock over a collapsible one. This model is not a firearm, but a training aid and recreational device that requires no background check or FFL transfer to purchase, yet it offers a realistic weight (approximately 6.5 to 7 pounds) and metal construction that closely replicates the feel of a real M15A4.

Key Specifications

• Caliber: 6mm plastic airsoft BBs (0.20g to 0.28g recommended)
• Magazine Capacity: 300-round high-capacity magazine (winding wheel style)
• Barrel Length: 16 inches (standard carbine length, not to be confused with 14.5-inch or 20-inch variants)
• Overall Length: Approximately 35 inches (with full stock)
• Finish: Black anodized aluminum upper and lower receiver, polymer handguard and stock
• Weight: Approximately 6.8 pounds (unloaded, without battery)
• Sights: Fixed front sight post, adjustable rear peep sight (A2-style carry handle not included; flat top upper receiver for optics)
• Muzzle Velocity: 380-400 FPS with 0.20g BBs (may vary with battery voltage)
• Power Source: 8.4V or 9.6V NiMH battery (not included), or 7.4V LiPo with appropriate connector
• Fire Modes: Semi-automatic and full-automatic
• Inner Barrel: 6.08mm brass barrel (standard precision)
• Gearbox: Version 2 metal gearbox (standard for M4/AR-15 AEGs)

Feature Deep-Dive

The CA Full Metal Armalite M15A4 stands apart from budget polymer airsoft rifles due to its full metal receiver construction. The upper and lower receivers are machined from aluminum alloy, providing a weight and tactile feel that closely matches a real M15A4 carbine. This metal construction also improves durability during tactical training drills, where plastic receivers on lower-end models can crack under stress from slings or drops. The full stock design, while less common on modern carbines, offers a solid mounting point for a cheek rest and eliminates the wobble often associated with collapsible stocks, making it a preferred choice for shooters who value consistency over adjustability.

The 16-inch barrel length is a deliberate choice for airsoft performance. It provides a good balance between maneuverability and accuracy, allowing for a longer inner barrel that stabilizes the BB for better range and grouping at typical engagement distances (50 to 150 feet). The inner barrel is brass, which resists corrosion and maintains consistent bore diameter, and the hop-up unit is adjustable for backspin, letting you tune the trajectory for different BB weights. For airsoft skirmishers, this means you can engage targets at longer ranges with a predictable arc, provided you use quality BBs and a charged battery.

Internally, the Version 2 gearbox is a standard platform for M4-style AEGs, meaning replacement parts and upgrade components are widely available from aftermarket suppliers. The gearbox comes with metal bushings and a reinforced piston, which handle the stress of semi-automatic and full-automatic fire at the stock spring rate. While this is not a competition-grade speedsoft gun, it is reliable out of the box for weekend skirmishes and training sessions. The motor is a long-type ferrite motor, which provides adequate trigger response with a standard 8.4V battery, but can be upgraded to a neodymium motor for faster cycle times if desired.

The flat top upper receiver is a key feature for shooters who want to mount optics. Unlike carry handle models, this receiver has a full-length Picatinny rail, allowing you to install red dot sights, magnifiers, or low-power variable optics (LPVOs) without adapters. This makes the M15A4 suitable for training with the same sighting systems you use on a real AR-15. The handguard is a two-piece polymer design with heat shields, which keeps the outer barrel cool during sustained fire and provides a secure grip surface. The delta ring assembly is functional and allows for handguard removal, though most users will keep the stock configuration.

The magazine is a high-capacity winding drum that holds 300 rounds, which is standard for airsoft AEGs. To feed BBs, you wind a wheel on the bottom of the magazine, which tensions a spring that pushes BBs into the hop-up chamber. This design allows for extended firing without reloading, but it does add weight and requires occasional winding during use. For a more realistic experience, you can purchase low-capacity magazines (30 to 120 rounds) that hold fewer BBs and simulate the ammunition capacity of a real AR-15. The magazine release is ambidextrous compatible, though the stock release is on the left side of the receiver, matching standard AR-15 controls.

Finally, the battery compartment is located in the stock, which is a convenient placement for a full stock design. The buttplate slides off to reveal a hollow cavity that fits standard nunchuck-style NiMH batteries or small LiPo packs. This design keeps the battery hidden and maintains the rifle’s clean lines. The wiring is 18-gauge silicone, which handles higher current loads better than thinner PVC wire, reducing voltage drop and improving trigger response. For users who want to run a LiPo battery, we recommend using a low-voltage alarm to protect the battery from over-discharge, as the stock gearbox does not include a protection circuit.

Ideal Use Cases

This airsoft rifle is best suited for recreational airsoft skirmishing, force-on-force training, and marksmanship practice in a controlled environment. It is not a hunting tool or a concealed carry weapon, as it fires non-lethal plastic projectiles and is not designed for self-defense. For target shooters, the M15A4 provides a way to practice sight alignment, trigger control, and follow-through without the expense of live ammunition. Homeowners who keep an AR-15 for defense can use this replica to run dry-fire drills for reloading and target transitions, since the controls and weight are similar. Collectors of AR-15 pattern rifles may also appreciate the M15A4 as a display piece or a low-cost training aid that mirrors the form factor of their firearms.

Compatibility Notes

• Ammunition: Uses standard 6mm airsoft BBs. We recommend 0.20g to 0.25g for general use, and 0.28g to 0.30g for outdoor play in wind. Do not use steel or metal BBs, as they will damage the barrel and gearbox.
• Holsters: Not applicable. This is a full-length rifle and cannot be holstered. For storage, use a soft or hard rifle case.
• Magazines: Compatible with all standard M4/M16 style airsoft magazines, including mid-cap, low-cap, and high-cap variants. Avoid magazines designed for GBBR (gas blowback) models, as they may not feed reliably in an AEG.
• Accessories: The Picatinny rail accepts any standard 20mm optics, red dots, scopes, or magnifiers. The handguard has a bottom rail section for a vertical grip or bipod. Flashlights and lasers can be mounted using rail adapters. The stock can be replaced with aftermarket buffer tube assemblies, but this requires disassembly of the gearbox.
• Batteries: Uses small-type Tamiya connectors (standard for airsoft). Compatible with 8.4V, 9.6V NiMH, or 7.4V LiPo batteries. Battery dimensions must fit within the stock cavity (approximately 5.5 inches by 1.5 inches by 0.75 inches).

Frequently Asked Questions

Q: Can this be shipped to my home in the U.S.?
A: Yes. This is an airsoft replica, not a firearm, and can be shipped directly to your residential or business address within the United States. No FFL transfer is required. We ship via UPS Ground or USPS Priority Mail, and a signature may be required for delivery. We do not ship to PO boxes.

Q: Do I need to go through an FFL transfer to receive this?
A: No. The CA Full Metal Armalite M15A4 is classified as a toy or sporting good under federal law, as it fires non-metallic projectiles using compressed air. You must be 18 years or older to purchase, and we verify age at checkout. No background check or FFL involvement is needed.

Q: What ammunition does this rifle use, and where can I buy it?
A: It uses standard 6mm plastic airsoft BBs, available at most sporting goods stores, airsoft retailers, and online. We recommend using biodegradable BBs for outdoor fields that require them. Do not use BBs smaller than 6mm or any metal projectiles.

Q: What warranty does this product come with?
A: This airsoft rifle is covered by a 30-day limited warranty from the manufacturer against defects in materials and workmanship. This covers gearbox failure due to factory defects, but does not cover damage from misuse, dry-firing without BBs, or use of improper batteries. We offer a 14-day return policy for defective items; contact us for an RMA number before returning.

Q: Can I return this if I change my mind?
A: Returns are accepted within 14 days of delivery for unused, unmodified items in original packaging.