RGUniversal Century

XM-X1 Crossbone Gundam X-1

A pirate Gundam that packs full Master Grade drama into a Real Grade footprint.

MechaGrade Score

4.4/5

Crossbone Gundam X-1 · 1/144 · 2019

GradeRG

Scale1/144

Released2019

Runnersn/a

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The verdict

This is one of the best Real Grade kits Bandai has put out, and I say that after building plenty of RGs that fought me the whole way.

The X-1 gives you a drop-hip waist, double joints at the elbows and knees, and a hard plastic cloak that actually holds shape, all in a kit small enough to fit in one hand. It sells the pirate-Gundam fantasy (skull face, brand marker, scissor anchors) without making you pay Master Grade money or Master Grade build time. I walked away impressed that this much engineering fits in 1/144 scale.

Best for: RG collectors and UC fans who want the definitive small-scale Crossbone Gundam without stepping up to MG price and size

The full review

What it is

The X-1 is Char's Counterattack era Gundam reimagined as a UC 0133 pirate mobile suit, and this RG nails the read: mostly white with a dark blue torso, red and yellow accents, and a skull motif on the forehead that you can swap to a monoeye faceplate, making it the first RG with that option. Building it, the parts fit with real confidence, the waist turns a full 360 degrees, and skirt armor is ball jointed so it clears the legs instead of fighting them. The cloak is rigid plastic instead of the floppy vinyl sheet HG builders complain about, and it drapes convincingly once it's on.

The catch

The head is genuinely fiddly, small enough that a lot of builders reach for tweezers just to get the pieces seated, and the runners in general skew tiny the way most RG kits do, so cutting and cleanup takes patience. The shoulder is one solid armor block rather than a flexible flap, so raising the arm means rotating the whole shoulder rather than making small adjustments, which limits how natural some poses feel. At roughly 20 dollars it is not expensive, but the accessory loadout (beam zanber, beam gun, heat daggers, scissor anchors, brand marker shield) all needs careful part swapping to use correctly, and misreading the manual on those conversions is an easy way to snap a small tab.

Who it's for

If you already like RG scale and want a kit that rewards careful building with a genuinely wide pose range, this is close to a must-own, especially if Crossbone Gundam or the broader F91 era UC storyline means anything to you. Builders who are new to Gunpla or who get frustrated by tiny parts should look at an HG or EG first and come back to this once they have a few kits under their belt. If you want maximum posing freedom out of a small-scale kit and don't mind a slow, careful build session for the head and weapon conversions, buy this one.

The build story

What the build is actually like, and the engineering worth knowing about.

The build itself moves fast once you accept that the runners are small. Gate placement is typical RG territory, nothing brutal, but the head parts are genuinely tiny and benefit from tweezers and a bright light. Everything else clicks together with confident, accurate tolerances rather than the loose or crumbly fit some older RG kits get criticized for, and I never felt like I was forcing a part where it didn't belong.

Where this kit earns its reputation is articulation and gimmick density for the price. Double-jointed elbows and knees, a ball-jointed booster, and that 360 degree waist give it a pose range that punches well above 1/144 scale, and it holds those poses instead of sagging. The loadout is unusually generous for an RG: beam zanber and beam gun that combine into the Zanbuster, removable heat daggers, scissor anchor conversion from the front skirt armor, and a beam shield that doubles as a brand marker weapon. That's Master Grade level accessory variety at a fraction of the size and cost.

Lore & trivia

01Mobile Suit Crossbone Gundam is a manga by Yuuichi Hasegawa based on notes from Yoshiyuki Tomino, serialized from 1994 to 1997 as a direct sequel to the Mobile Suit Gundam F91 film.
02The story is set in Universal Century 0133, ten years after F91, and follows Crossbone Vanguard pilot Seabook Arno, who fights under the alias Kincade Nau.
03The Crossbone Gundam line was designed around close combat and piracy, carrying beam sabers, heat daggers, scissor anchors, and beam shields that double as brand marker punching weapons rather than leaning on ranged firepower.
04This RG was the first Real Grade release to include a swappable monoeye faceplate option, letting builders convert the X-1 to its eyepatch look straight from the box.