Our expert's opinion

" This is a very enjoyable MWS to play with, offering good shooting stability. I especially like the balance between the accuracy of the internal components and the ergonomics of the setup, which makes it truly effective on the field. "
Alexis
Workshop Technician
Description
In this Custom M4A1 MWS CQBR MK4 Z-Parts Tech OPS-FACTORY replica, you'll find
Included:
- NPAS kit for Tokyo Marui M4 GBBR Ra-Tech
- Crazy Jet 6.04 260mm Maple Leaf Precision Barrel
- Maple Leaf AUTOBOT 60° Silicone Hop-Up Gasket
- Omega 50° Silicone Hop-Up Tensioner (Solid Edition) by Maple Leaf
- 130% Buffer Spring for Tokyo Marui MWS Series GBBR by Angry Gun
External Parts:
- Tokyo Marui MWS CQBR BLOCK 1 (ZET System) M4A1 GBBR Replica
- KAC QD Silencer with SR16 Black 5KU Muzzle Brake
- VictOptics T4 1x28 5 MOA Red-Green Dot Sight
- FMA AN/PEQ-15 Battery Case
- 14mm CCW Next Generation Tokyo Marui Laylax External Barrel Extension
- 10'' MK4 Marui Z-Parts Tech CNC Aluminum Handguard
- Magpul RVG Picatinny Vertical Grip
- H15G Pistol Grip for M4/M16-style GBBR replicas by HERA ARMS
- Magpul MIL-SPEC MOE SL Carbine Stock
- GLARY CASE 100 cm Lightweight Carry Case, Olive Green
You?ll receive a 24-month OPS-store warranty on all parts. This warranty does not cover any openings or modifications made by a third party outside of OPS-store.
Please note that damage caused by the use of low-quality BBs other than those we recommend on our product pages will not be covered under warranty.
Frequently asked questions (FAQ)
- What kind of player is this replica designed for?
It’s intended for players looking for a high-end, realistic, accurate, and well-equipped M4 GBBR.
- What is the benefit of the Tokyo Marui ZET system?
The ZET system offers reliable and consistent operation with a realistic firing feel.
- What is the RA-Tech NPAS kit used for?
The NPAS kit makes it easier to adjust the replica’s power to suit the player’s needs and the field’s rules.
- Does the Crazy Jet barrel improve accuracy?
Yes, the 6.04 mm Crazy Jet barrel, combined with the 60° Autobot O-ring and the Omega tensioner, helps achieve a more stable and consistent trajectory.
- What does the Angry Gun 130% buffer spring offer?
It provides a crisper recoil and a more dynamic cycle, which enhances the shooting experience of the MWS platform.
- Does the Z-Parts Tech MK4 handguard offer any real benefits?
Yes, it modernizes the replica’s ergonomics and makes it easier to add accessories, all while giving it a distinctive look.
- Is the VictOptics T4 sight suitable for dynamic gameplay?
Yes, its compact size and 5 MOA reticle allow for quick target acquisition, which is particularly useful in CQB and at medium range.
- Does the replica come with a carrying case?
Yes, it comes with a 100-cm GLARY CASE Olive Green carrying case.
Product content
1 x Custom M4A1 MWS CQBR MK4 Replica by Z-Parts Tech OPS-FACTORY
1 x 35-bbs metal magazine
1 x Speedloader
1 x Cleaning rod
1 x Lightweight 100 cm Olive Green GLARY CASE carrying case
Features
- Custom replica
- Caliber 6 mm
- Propulsion Gas
- Gas location Magazine
- Shooting mode Safe / Semi / Auto
- Energy (0.20g BBs) NPAS (adjustable)
- Speed (0.20g BBs) NPAS (adjustable)
- Minimum Length 860 mm
- Maximum Length 940 mm
- Weight 3,315 g
- Canon internal model Crazy Jet precision cannon
- Internal barrel length 260 mm
- Internal barrel diameter 6.04 mm
- Recommended grammage 0.28 g
- Charger 35 bbs
- How it works Adjustable Hop Up
- Blowback Yes
- Body Metal
- Brand OPS-Factory
Downloads
Warning message
Important note concerning the use of this product : This product is a replica weapon intended for recreational use (role-playing games) known as "airsoft", the sale of which is prohibited to minors (under 18 years of age). By adding this product to your basket, you acknowledge that you are over 18 and that you are familiar with the basic safety rules for using this type of replica (wearing protective glasses and/or mask, suitable location, etc.).
Please note that the power ratings given for airsoft replicas may vary depending on supplier availability. We invite you to contact us for more details before your purchase in order to have a more precise measurement carried out by us. Consequently, OPS-Store cannot be held responsible for any discrepancies between supplier data and actual measurements.
This replica comes from our workshop. We have carried out all the tests during assembly and before shipping in order to guarantee the best performance. If you notice a problem when you open the parcel or during the first shots, contact us directly at 02.35.00.30.01 or by email.
All our customs or full upgrades are tested and recommend a type of gas, pellets or battery. If you do not follow the recommendations, you will lose your warranty.
Please note that original parts are not supplied with the finished product.
You will benefit from a 12-month OPS-store warranty on all parts and assembly. It does not cover any opening or modification by a third party, or failure to comply with the recommendations on the product sheet or below:
- Regular maintenance as recommended by our workshop
- Respect the running-in time for the various seals and chargers
- Use good quality bbs (Swiss Arms, RWA, BLS)
- Do not use BIO bbs from a bag that has been open for more than a few days
- Do not use silicone or oil in magazines, Gearboxes, chambers / Hop-up seals
We recommend compatible components in the product data sheet. If you have any questions, please contact us by telephone or via this link: https://support.ops-store.fr/ .
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