ZWQ S400 Zebra Bullpup Blaster - The Ultimate Compatibility Guide

OOD TEAM


The ZWQ S400 Zebra is a Bullpup-style pump-action spring powered blaster from the makers of the Viper: Zhen Wei Qi. Also known as the ZWQ Red Hare, this blaster was first released in January 2026 and is sold here at Out of Darts.

ZWQ S400 Zebra Bullpup Blaster

The S400 Zebra performs with an average of 61 FPS and a standard deviation of 8 FPS in its unmodified form. It's capable of over 300 FPS with first-party upgrade springs and barrels.

Check our full spreadsheet of chronograph averages for more current statistics and updates!

Check out our YouTube video for more thoughts on this blaster!



Also check out our unboxing and assembly video for the S400 below!

Below is a list of compatible and recommended mod parts, accessories and tactical gear for the ZWQ Zebra. If you have any questions don't hesitate to reach out to us via email!

Darts + Ammo

 Standard-Weight Short Darts 

Magazines + Adapters

With stock magwell
ZWQ Zebra 10-Round Magazines

With ZWQ Reverse Talonoid magwell
18-round Zebra "Hoof" Magazines
10-round Zebra "Hoof" Magazines

With Luke's Standard Talon Magwell
15-Round Straight Talon Magazines
• 23-Round OOD Koda Magazines

Springs + Spring Spacers

S400 Zebra Springs

Barrels + Barrel Attachments

ZWQ 600mm Threaded-Breech Barrel
• Other Threaded-Breech Barrels
Rifling Attachments 

Rails + Rail Accessories 

Foregrips + Pump Grips
• Sights + Optics
• Little Rocket Platform

Slings + Sling Points

• Picatinny Sling Point
• Magpul-Style Sling  

Hardware

• 1 M2 x 8mm Button Head Thread-form (Safety)
• 2 M3 x 10mm Flat Head Thread Form (Rails, cheek rest)
• 2 M3 x 12mm Button Head (Buttplate)
• 2 M4 x 14mm Binding Barrel Screws (Stock)
• 5 M4 x 20mm Binding Barrel Screws (everything else)
• 2 M4 x 40mm Binding Barrel Screws (Turnaround)
• 1 M4 x 45mm Binding Barrel Screw (Takedown)
• 1 M5 x 20mm Grub Screw (Transfer Bar)
• 1 M5 x 30mm Button Head Screw (Foregrip)
• 1 M5 x 14mm Button Head Screw (Trigger Grip)


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