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Home » Airsoft Guns » Gas Blowback Rifles

Cybergun x FN M4A1 Gas Blowback GBB Airsoft Rifle - WE-Tech

ID: 29260 (GR-CG-FN0100)
CG-FN0100 (New 2026 version)
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Optic not included
Cybergun / Spartan Mil/LEFN
3 Customer Reviews(Write a review)

$459.00

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Product Description

Features

  • Fully licensed replica of the real FN M4A1 rifle
  • 1:1 scale with the real deal, including engraved trademarks
  • Durable full metal construction
  • Full gas blowback system for enhanced realism
  • Utilized the WE-Tech system for widespread parts availability and compatibility
  • Railed upper receiver for attaching optics and other accessories
  • Drop-in quad RIS allows for the addition of grips, lights, lasers, and other standard 20mm RIS accessories
  • Six-position adjustable stock on standard mil-spec buffer tube
  • Includes easy to use flip-up rear sight

Manufacturer: Cybergun (Licensed by FN)

FPS Range: 300-340

Product Specifications

Length: Approx. 765 - 845mm (Adjustable)
Weight: 2580g
Inner Barrel: 363mm
Magazine Capacity: 30rds. Works with WE-Tech and Other Compatible M4/M16 Series Gas Blowback Airsoft Magazines
Thread Direction: 14mm Negative
Gas Type: Green Gas
Fire Modes: Semi/Full-Auto, Safety
Package Includes: Gun, Magazine, Manual
Hopup: Yes, Adjustable

3 Customer Reviews

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Cybergun / Spartan Mil/LEFN

About Cybergun / Spartan Mil/LE

Cybergun is the world leader in designing and distributing replica dummy weapons for video game aficionados, sport or outdoor shooting, and collectors.

About FN

For 135 years, FN has been at the forefront of small arms innovation, delivering cutting-edge solutions to armed forces and law enforcement agencies worldwide. From trusted small arms and less lethal solutions to integrated weapon systems for air, land and sea applications, and 360-degree support service, FN ensures unmatched performance through precision engineering and advanced technologies.