If you're looking for a replica that makes you forget you're playing airsoft… you're in the right place. This M4 CQBR Block 1 GBBR ZET System by Tokyo Marui delivers total immersion.
This isn’t just about shooting BBs. Here, every cycle, every recoil, every manipulation brings you closer to pure realism. And honestly… once you experience it, it’s hard to go back.
A powerful and ultra-immersive blowback
From the very first burst, the tone is set.
Sharp and powerful blowback
Strong recoil sensation
Smooth and realistic bolt cycle
The 19mm muzzle further enhances this feeling. The result: a lively, dynamic, almost brutal shooting experience… in the best possible way.
Simply put, this GBBR doesn’t pretend.
ZET System: reliability and durability
Tokyo Marui didn’t just create a realistic replica. They made it built to last.
The ZET System includes:
Advanced bolt catch protection
A shock absorption system (piston absorber)
Reduced friction in the bolt cycle
In concrete terms? Less wear, more consistency, and a replica that lasts over time… even with a strong blowback.
Faithful reproduction down to the smallest details
Everything here is designed to replicate the feel of a real M4 platform.
Functional bolt catch when the magazine is empty
Realistic charging handle
Authentic upper/lower disassembly
6-position adjustable stock
You even get the weight and feel of a real magazine. And that… changes everything in gameplay.
A compact and versatile CQBR platform
With its CQBR format, this M4 is perfectly suited for dynamic environments.
Compact length (698 to 780 mm)
250 mm inner barrel
Power around 320 FPS
It performs everywhere: CQB, mixed fields, fast-paced movement… a truly versatile replica.
A RAS handguard ready for customization
The metal RAS-type handguard offers 4 Picatinny rails.
You can mount:
A tactical flashlight
A laser or PEQ
A vertical grip
An optic suited to your playstyle
In short, you build your setup exactly the way you want.
Premium finish
Tokyo Marui also focuses on aesthetics and durability.
Robust aluminum body
Ultra-resistant Cerakote-type coating
Adjustable iron sights
It’s clean, solid, and above all built to last.
Why choose the M4 CQBR Block 1 GBBR?
Because it offers a unique gameplay experience.
Ultra-realistic sensations
Enhanced reliability with the ZET System
Compact and versatile platform
Premium finish
This is a replica for enthusiasts… those who want to feel every shot, not just see them.
FAQ – M4 CQBR Block 1 GBBR ZET System
Is this replica suitable for beginners?
Not really. It requires some experience, especially with gas management and maintenance. But for a motivated player, it’s an excellent learning platform.
What gas should be used?
Standard Green Gas is recommended. In winter, a more powerful gas may be needed to maintain good performance.
What is the magazine capacity?
The magazine holds 35 BBs, with weight and realism close to a real magazine.
Is the recoil really realistic?
Yes, absolutely. The blowback is powerful and paired with a real recoil sensation. It’s one of the strengths of this replica.
Can accessories be added?
Yes, thanks to the Picatinny rails. You can customize your setup with a flashlight, grip, optic, etc.
Is the replica reliable over time?
Yes, thanks to the ZET System, which reduces wear on internal parts despite an energetic bolt cycle.
Is it suitable for CQB?
Yes, its compact CQBR format makes it perfect for close-quarters environments and fast engagements.
Is maintenance important?
Yes, like any GBBR. Regular maintenance (cleaning, lubrication) is essential to maintain performance and longevity.