HGUniversal Century

MSN-06S［W］ Weiss Sinanju

The regular Sinanju traded its beam rifle for a moon sword and came out looking meaner for it.

MechaGrade Score

4.0/5

［W］ Weiss Sinanju · 1/144 · 2017

GradeHG

Scale1/144

Released2017

Runnersn/a

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The verdict

This is the HGUC Sinanju engineering with a fresh coat of white and blue and a genuinely cool new melee loadout, and it earns its spot on the shelf.

The frame underneath is the same one Bandai got right back in 2010, so the pose quality was never in question here. What makes this one worth tracking down specifically is the Mond Schwert, a blade and shield combo that splits into two swords, which gives this kit a completely different silhouette from every other Sinanju release. I came away impressed that a repaint kit could feel this distinct.

Best for: Sinanju fans who already own the red version and want a second one that actually looks and fights differently

The full review

What it is

This kit reuses the HGUC Sinanju runners, so you're getting the same double jointed knees, ball jointed head, and articulating backpack thrusters that made the original a standout HG back in 2010. What changes is the color (white body, dark blue accents, red on the V-fin and sleeves) and the weapon loadout. Instead of the beam rifle and funnels, you get the Mond Schwert, a big moon shaped blade that separates into a sword and shield (Vollmond form) or two swords (Halbmond form). Building it feels familiar if you've done a Sinanju before, but clipping in that new sword assembly and seeing the silhouette change is a genuinely fun moment.

The catch

This was a Premium Bandai exclusive, so it never got a wide retail run and secondhand or reissue pricing runs well above what a normal HG costs for what is, frame wise, a decade old mold. The gold accents that dressed up the original Sinanju are handled with foil stickers here too, so you're back to the same careful application work if you want the trim looking sharp. It also shares the same age related limits as the base kit, meaning some of the smaller shoulder and skirt armor connections can feel a touch loose after repeated posing compared to a newer HG.

Who it's for

If you already have a standard Sinanju and love the design enough to want a variant with real reasons to exist (different colors, different weapon, different in universe personality), this is the one worth hunting down. It's also a fine pickup for Build Fighters fans who want the Battlogue version specifically. Skip it if you're chasing value per dollar or want your first Sinanju, since the plain HGUC or RG versions are easier to find and cheaper, and save this one for when you're ready to pay exclusive pricing for the alternate look.

What works

The Mond Schwert weapon set (sword and shield that reconfigures into dual swords) gives this kit a completely different combat stance than any other Sinanju release
Inherits the HGUC Sinanju's double jointed knees, ball jointed head, and articulating thruster backpack, so posing is confident and holds
White and blue color scheme with red sleeve accents reads as a distinct, sharp looking suit rather than a simple recolor

Worth knowing

Premium Bandai exclusive pricing means you're paying well above standard HG cost for a decade old frame
Gold trim is foil stickers, not molded color, so expect careful application work if you want it looking clean
Shares the original Sinanju's age, so some joints can loosen with repeated heavy posing

Sold? Grab it.

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The build story

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

The build itself will feel very familiar if you've put together an HGUC Sinanju before, since this shares those runners outright. Gate placement on the original was praised for thin connection points that keep nub marks to a minimum, and that carries over here. The new pieces are the Mond Schwert components, which need a bit of attention to get the sword-to-shield conversion clicking together cleanly, but nothing that trips up an intermediate builder.

The standout engineering is still the frame underneath: a Sinanju that holds dynamic poses without drooping, with backpack thrusters that swing independently for flight poses and knees that bend deep enough for kneeling stances. Color separation is solid for an HG of this era, molded in white, dark blue, and red rather than leaning entirely on stickers, though the finer gold details still rely on foil. The weapon count is the real value add here since you get a shield, a sword, and the ability to reconfigure into a two blade stance, more variety than the standard rifle and funnel loadout most Sinanju kits ship with.

Lore & trivia

01"Weiss" is German for "white," matching the kit's pale color scheme against the original Sinanju's dark red.
02The Weiss Sinanju debuted in Gundam Build Fighters: Battlogue as the final boss encountered at the G-Quest attraction, fighting with a stationary, defensive style rather than the original Sinanju's high speed hit and run tactics.
03Its signature weapon, the Mond Schwert ("moon sword"), splits into Vollmond form (a sword and shield) or Halbmond form (two separate blades), giving the same kit two distinct combat configurations.
04The kit was released in December 2017 as a Premium Bandai exclusive and reuses the same molds as the original 2010 HGUC MSN-06S Sinanju.