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At A Glance
- Neck Type
- Wizard III / Maple neck
- Top/Back/Body
- Ash body
- Fretboard
- Maple fretboard / Black dot inlay
- Fret
- Jumbo frets
- Number of Frets
- 24
- Bridge
- F106 bridge
- String Space
- 10.5mm
- Neck Pickup
- Quantum (H) neck pickup (Passive/Ceramic)
- Bridge Pickup
- Quantum (H) bridge pickup (Passive/Ceramic)
- Factory Tuning
- 1E,2B,3G,4D,5A,6E
- Strings
- D'Addario EXL110
- String Gauge
- .010/.013/.017/.026/.036/.046
- Hardware Color
- Cosmo black
- Scale
- 648mm/25.5"
- A : Width
- 43mm at NUT
- B : Width
- 58mm at 24F
- C : Thickness
- 19mm at 1F
- D : Thickness
- 21mm at 12F
- Radius
- 400mmR
- Finish
- Blue Moon Burst
Ibanez built the RG421AHMBMT as part of the RG Series, positioning it as a solidbody electric guitar centred on the long-running RG platform. The model carried a Blue Moon Burst finish over an ash body, with a Wizard III maple neck and a maple fretboard dressed with black dot inlays.
The guitar featured 24 jumbo frets on a 400mm radius board, with a nut width of 43mm tapering to 58mm at the 24th fret. Neck thickness measured 19mm at the first fret and 21mm at the twelfth. The 648mm (25.5") scale fed into an F106 bridge set at 10.5mm string spacing. Both pickup positions carried passive, ceramic-magnet Quantum humbuckers. All hardware was finished in cosmo black. The guitar left the factory strung with D'Addario EXL110s (.010–.046) in standard E tuning.
Owners sourcing replacement parts — including bridge saddles compatible with the F106, or pickups sized for standard humbucker routes — should verify measurements against the hardware currently installed. For setup, fretwork or any structural concerns, consult a qualified guitar technician.
STRAIGHT TALK
What Stands Out
Keep In Mind
From the people who own them
Nothing in The Vault is for sale. These records exist so the instruments stay documented after the manufacturer moves on — and the most useful part of that record is what owners add to it.
Owner photos
Put yours on the record.
The catalog shot showed one finish, under one light, a long time ago. Yours has been played. Photos from owners are what the next person finds when they are trying to identify a part, match a finish, or work out whether the one they just bought is really what the seller said it was.
What do you know about this one?
Specs only go so far. What actually fits, what breaks first, what the factory got right and what everyone ends up changing — that lives with the people who own them, not in a datasheet. Post what you know and it stays on this page for whoever comes looking next.
Build Your Complete System
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Gear Help, Handled
From spec questions to full builds — players who have lived this gear since 2007.
Since 2007
Fit & Compatibility
- Bridge, tuner, and nut fit confirmed for your guitar
- Pickup and electronics compatibility checks
- Pedal power and amp/cab impedance matching
Mods & Upgrades
- Upgrade paths for the guitars you already own
- Wiring, routing, and hardware swap guidance
- Advice from people who actually do the mods
The Vault
- Discontinued and EOL guitars kept on record
- Specs, history, and known part compatibility
- Share your builds and mods with the community
