The Bandai 1/100 Master Grade XM-X1 Crossbone Gundam X1 Ver. Ka is Tobia Arronax's pirate mobile suit from Mobile Suit Crossbone Gundam, designed by Katoki Hajime. This Master Grade Ver. Ka release captures the Crossbone X1's distinctive skull motif with the transforming Zanbuster weapon system, brand marker beam shield, and compact high-mobility design. It's the definitive version of the Jupiter Sphere's most iconic space pirate Gundam.
This kit includes approximately 300 parts and features snap-fit construction with no glue required. The Master Grade Ver. Ka engineering is designed for intermediate to advanced builders with previous Gunpla experience.
The build centres on the compact mobile suit frame optimised for space combat and the versatile Zanbuster weapon system. You get the Zanbuster that separates into Buster Gun beam rifle and Beam Zanber cutlass-style beam saber, dual beam sabers, brand marker beam shield that doubles as a punching dagger, and the signature skull faceplate with removable cloth cloak. The colour separation delivers the Crossbone X1's black, white, and red scheme with minimal painting needed. The engineering features the distinctive X-shaped thrusters on the chest and back, articulated core fighter hatch, and Ver. Ka water slide decals designed by Katoki Hajime for enhanced surface detail.
What Makes This Kit Special
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Zanbuster Weapon System: Combination weapon separates into Buster Gun beam rifle and Beam Zanber cutlass beam saber
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Brand Marker Beam Shield: Shield doubles as punching dagger that leaves distinctive X-shaped burn marks
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Katoki Hajime Ver. Ka Design: Refined proportions and mechanical details by the legendary mecha designer
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Skull Motif Faceplate: Iconic pirate-themed head design with detailed mono-eye sensor
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Removable Cloth Cloak: Fabric cloak attaches to shoulders for dramatic pirate aesthetic
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Compact Space Combat Design: Smaller frame optimised for high manoeuvrability in Jupiter Sphere operations
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X-Shaped Thrusters: Distinctive chest and back thruster configuration for multi-directional movement
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Ver. Ka Water Slide Decals: Premium Katoki-designed markings for authentic surface detail
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Snap-Fit Construction: No glue required for assembly, parts snap together securely
What's In The Box
- MG XM-X1 Crossbone Gundam X1 Ver. Ka plastic parts (approximately 300 pieces)
- Zanbuster (separates into Buster Gun and Beam Zanber)
- 2x beam sabers
- Brand marker beam shield (doubles as punching dagger)
- Removable fabric cloak
- Multiple pairs of manipulator hands (weapon holding, open palm, fists)
- Ver. Ka water slide decal sheet
- Foil sticker sheet
- Colour instruction manual
Compatible Accessories
Display your Crossbone Gundam X1 with these Action Bases designed for 1/100 scale Master Grade kits:
Build Your Crossbone Collection
Expand your Jupiter Sphere mobile suit lineup with these related kits:
Build Specifications
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Series: Mobile Suit Crossbone Gundam
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Grade: Master Grade Ver. Ka
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Scale: 1/100
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Mobile Suit: XM-X1 Crossbone Gundam X1
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Designer: Katoki Hajime
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Pilot: Tobia Arronax
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Faction: Crossbone Vanguard (Space Pirates)
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Manufacturer: Bandai Spirits
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Weight: 650g
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Barcode: 4573102641175
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Skill Level: Intermediate to Advanced
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Assembly: Snap-fit construction, no glue required
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Compatibility: Action Base 1, 4, and 8 (sold separately)
Perfect For
Intermediate to advanced builders who have completed several Master Grade kits and want a compact, weapon-focused build. The Zanbuster separation mechanism and brand marker gimmick require careful assembly to ensure smooth weapon swapping. Crossbone Gundam fans who want Tobia Arronax's signature mobile suit with the iconic skull faceplate and pirate aesthetic. Ver. Ka collectors who appreciate Katoki Hajime's refined mechanical designs and premium water slide decal work. Universal Century enthusiasts interested in Jupiter Sphere mobile suits and the post-F91 timeline. The compact frame and unique weapon systems make this kit stand out among larger, more conventional Gundams. The removable cloth cloak adds dramatic flair but requires careful handling to avoid fraying. Best suited for builders who enjoy versatile weapon configurations and the space pirate theme that sets Crossbone apart from standard Earth Federation designs.
Fast Australian Shipping
Same Day Dispatch: Orders placed before 2pm weekdays ship same day. Orders after 2pm or on weekends ship next business day.
Australian Stock: In stock and ready to ship Australia-wide from Mecha Express. The Bandai 1/100 Master Grade XM-X1 Crossbone Gundam X1 Ver. Ka features the transforming Zanbuster weapon system, brand marker beam shield, and Katoki Hajime's refined Ver. Ka design.
Snap-fit plastic model kit requiring no glue for assembly. Ver. Ka water slide decals and foil stickers included for enhanced detail. Panel lining and topcoat recommended for best results. Nippers required for part removal from runners. Action Base sold separately for display. The fabric cloak is removable and should be handled carefully to prevent fraying at the edges. The Zanbuster separation mechanism works smoothly when parts are assembled with proper alignment. The brand marker beam shield can be displayed in shield mode or deployed as a punching dagger for close combat poses.
Last updated: 1 March 2026 (AEST)