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Classic Army M4 13" ARS4 Keymod Carbine Blowback AEG Airsoft Gun (pick a color)
Manufacturer: Classic Army
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Classic Army M4 13" ARS4 Keymod Carbine Blowback AEG Airsoft Gun ( pick a color )
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Please call 1-909-869-0671 for Specials
Classic Army M4 13" ARS4 Keymod Carbine Blowback AEG Airsoft Gun ( Black ) Classic Army M4 13" ARS4 Keymod Carbine Blowback AEG Airsoft Gun ( Flat Dark Earth )
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Item Highlights:
  • Metal 13" Keymod Rail System
  • Blowback Design
  • Quick Change Spring System
  • FPS: 375-400
  • Description
  • Specifications
  • GI Tactical Videos
  • Product Reviews
  • Questions & Answers

As a leading manufacturer of airsoft products, Classic Army has been setting the pace for the entire industry for years with innovations like the first full-metal production M4 and MP5 AEGs, the first glass-filled nylon fiber AEG and the first high-end SCAR AEG. Since inception, Classic Army has been an innovator in design and production of airsoft guns for the collector and wargamer market. So it's no surprise that the Classic Army M4 13" ARS4 KeyMod Carbine Blowback AEG Airsoft Gun from Airsoft GI continues that tradition today.

The Classic Army M4 ARS4 is an M4 with a 13" free-float KeyMod rail and a 14.5" outer barrel. The monolithic profile rail system has a standard Picatinny configuration on the top and bottom rails, allowing for fitting of standard railed mounted scopes, lights, lasers, forward grips, grenade launchers or other accessories. This means you can adapt your gun to multiple conditions and your own personal tastes as well, going as basic or advanced as you want. The gun features an ergonomic grip, flip-up front and rear sights, a retractable crane stock and a sling adapter plate. This gun is individually serial numbered and comes with a 300rd metal high-capacity magazine. The smooth-feeding magazines deliver effortless shooting.

Internally, the gun has a 9mm bearing gearbox, wire cut steel 21:1 ratio gears, inline MOSFET protected trigger contacts, stainless steel bore up cylinder, aluminum bore-up cylinder head, metal spring guide with bearing, 6.03mm tight-bore barrel, silver low-resistance trigger wiring and a quick-change spring system. The wiring utilizes a low-heat Deans plug and comes with an adapter for Tamiya connector batteries. It will shoot 375-400 fps using 0.20g BBs and 800-900 rpm using a 9.6V battery. The quick-change spring system allows for fast and easy spring changes without having to go into the gearbox. Choose from black or tan finishes to suit your style and environment.

Manufacturer: Classic Army
Model: ARS4
Muzzle Velocity: 375-400 FPS
Magazine Capacity: 300rds
Package Includes: Gun, Magazine
Warranty Length: 90 Days
Warranty Handler: Classic Army (Warranty Policy)


  • Blowback Design
  • Metal Construction
  • Metal 13" Keymod Rail System
  • 6.03mm Tightbore Inner Barrel
  • Quick Change Spring System
  • Flip Up Sights

Please Note:

  • Keymod rail section is NOT included.
  • Battery and charger are NOT included.
  • Optic is NOT included.
This product was added to our catalog on Wednesday 20 September, 2017.
Click here to request this product to be restocked
Out of Stock
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Disclaimer: All airsoft guns are required to have the tip (1/4 inch) of the barrel permanently colored in blaze orange. No person may openly display or expose any imitation firearm (replica firearm), in a public place. The term "public place" means an area open to the public or exposed to public view and includes streets, sidewalks, bridges, alleys, plazas, parks, driveways, parking lots, automobiles, whether moving or not, and buildings open to the general public, including those that serve food or drink, or provide entertainment, and the doorways and entrances to buildings or dwellings and the grounds enclosing them.
Any person who changes, alters, removes, or obliterates any coloration or markings that are required for by any applicable state or federal law or regulation, for any imitation firearm (replica firearm), or device in any way that makes the imitation firearm (replica firearm) or device look more like a firearm is guilty of violating the state or federal law.
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