The Maruyama VFC ISO556 GBB Rifle - Black (2 Mags Included) is a high-end, modern gas blowback airsoft rifle known for its realism, ambidextrous controls, and compatibility with VFC AR/M4 gas magazines. 
 
Key Features and Specifications
The Maruyama VFC ISO556 GBB Rifle is a collaboration between Maruyama and VFC, engineered for a realistic airsoft experience. 
Materials: Constructed with an aluminum alloy upper receiver and bolt carrier, a high-strength polymer lower receiver, and steel fire control components.
Recoil and Performance: The advanced GBB system provides strong, realistic recoil, reliable cycling, and consistent shot-to-shot performance, which is a major draw for players seeking realism.
Ambidextrous Controls: Features fully ambidextrous controls, including the charging handle, fire selector, magazine release, and bolt catch, making it versatile for all users.
Adjustable Stock: Comes with a modular, folding MBT-style stock that offers eight positions for length and three for cheek height, plus four QD sockets for slings.
Accessory Rails: Equipped with a 6-inch M-LOK handguard and a Picatinny top rail for mounting a variety of accessories. The flash hider can be removed to reveal 14mm CCW threading for other muzzle devices.
Hop-Up: Features an adjustable hop-up system that is accessible via the ejection port or a dummy gas adjustment dial, allowing users to fine-tune accuracy. 
Specification 
Detail
System
Gas Blowback (GBB)
Magazine Capacity
30 BBs (compatible with VFC AR/M4 gas magazines)
Firing Modes
Safe, Semi-Auto, Full-Auto
Length (Overall)
529mm / 700mm
Inner Barrel Length
210mm
Weight (with magazine)
~2.62 kg (2620g)