Iron Man MK42 Right Arm
Made for your collection.
★★★★★4.630 product reviewsThis is a wearable 1:1 Iron Man MK42 arm, the Mark 42 right arm, moulded in ABS with a metallic finish and measuring 47 x 22 x 13 cm. The split armour panels are motorised and open and close on your arm the way they do in the films.
- Format
- Prop Replica
- Options
- 1
- Shipping
- Free worldwide
Available to order
Made for your collection.
This is a wearable 1:1 Iron Man MK42 arm, the Mark 42 right arm, moulded in ABS with a metallic finish and measuring 47 x 22 x 13 cm. The split armour panels are motorised and open and close on your arm the way they do in the films.

Motorized Split-Style Armor

Voice-Activated Control

Palm Repulsor
Your move.
Made to respond.
Say the word.
Open the armor / Close the armor / Open the laser cannon / Turn off the laser cannon
Commands to say to your armor- Jarvis
- Open the armor
- Close the armor
- Open the laser cannon
- Turn off the laser cannon
A touch is all it takes.
Palm button: Press once to toggle the flashlight on/off. Palm button (hold): Hold for 3 seconds for full repulsor blast with light and sound effects.
- Palm button: Press once to toggle the flashlight on
- off. Palm button (hold): Hold for 3 seconds for full repulsor blast with light and sound effects.
Control from your hand.
Button A: Armor split-style opening/closing. Button B: Emit laser. Button C: Turn on/off the palm light. Button D: Palm cannon fires. Button E: Close or open sound effects.
- Button A
- Armor split-style opening/closing.
- Button B
- Emit laser.
- Button C
- Turn on/off the palm light.
- Button D
- Palm cannon fires.
- Button E
- Close or open sound effects.
Nothing
overlooked.
Iron Man MK42 Right Arm- Scale
- 1:1
- Includes
- Display stand/bracket
- Material
- ABS, PC, metal, electronic components, cotton linen
Know every detail.
This is what it feels like to wear the suit. The MK42 Arm is a 1:1 scale replica built with motorized split-style armor that opens and closes on your command. Say "Jarvis" and watch the panels come to life. Equipped with a light-up palm repulsor with blast effects, a built-in laser cannon, and full sound effects. Controlled by voice, remote, or touch.
Built for Marvel and tech fans, collectors, cosplayers, or anyone who's ever wanted to know what it feels like to be Iron Man.
Do not manually move components while powered on. Remove batteries when not in use. Do not use power sources higher than 6 volts. If the arm malfunctions, power off, manually reset all components to closed, then power back on.
Motorized Split-Style Armor
High torque micro motors drive the armor panels open and closed, replicating the cinematic suit-up sequence seen on screen.
Voice-Activated Control
Say "Jarvis" to activate the system, then command the arm with English or Chinese voice commands. Open the armor, fire the laser, or trigger blast effects hands-free.
Palm Repulsor
Light-up palm cannon with explosion blast effects and sound. Press once for the flashlight, hold for 3 seconds to trigger the full repulsor blast.
Built-In Laser Cannon
A working laser activated by voice or remote, just like the real suit.
Full Sound Effects
Every action is paired with authentic sound effects, from the armor panels opening to the repulsor firing.
Wireless Remote Control
5 function buttons for full control over armor movement, laser, palm light, cannon blast, and sound effects.
Off the screen.
Into their hands.
Product reviews collected on HeroSlash before the move to MCU Collectibles.
30 reviews for this product
This one is undeniably more advanced than thej old model, and oh dear the laser is quite the thinbg my 9yo abuses around the house, and yeah obviously voice control is a big new step forward with your tech. But if you could make a left one I'd gladly pay double. Old one had both and I still have them and I know I'm not the only one who wants both! Please take that into consideration.
My god it was so worth it. My first order form heroslash I had a call with support they were super helpful and nice to help me get the helmet and this arm. Will be spending more $$$ with you folks for sure, because the arm is amazing. I don't get it why's helmets are bestsellers when you ghave this.. It fits me just fien I am so happy, by the next halloween I will have a full suit from you guys. thank you
Thanks amazing
I miss the old version but yes, the tech here is unmatched. Wow, you gous kick ass.
Next payday I am getting this tech miracle. will go in my collection i have the mk50
Waiting to arrive. Sooo stoked.
Returned with no rpoblem, great support
Best of my collection. The support was very helpful with makign the choice.
Thanks great item will go nice in my collection
Fantastic. Exactly as pictured, works beautifully. Had some issues because the batteries I used must have been old
Best purhcase of the year. Came for the helmets hype but damn aint that just better. I am surprised tehre are few reveiws for it here
Dude, this is awesome. I got it for myself and my son, who is 8, and that's just proper tech.. We have the MK5 from you, so we weren't worried at all. It's insane how far technology took us, being a kid woun't ever thign I'd play wit han Iron man arm with my son.
Own it with confidence.
Your collection. Covered.
Five years of cover for qualifying manufacturing defects. Read the terms.
Returns30DAYSTime to make it yours.
A 30-day return window from delivery, subject to the returns policy.
Standard shipping$0Worldwide. Tracked.
Prepared in 1–2 business days. Standard delivery typically takes 10–22 business days after dispatch.
Yes! We ship to the US, Canada, Australia, and New Zealand with fast, reliable delivery.
You get the full MK42 arm (1:1 scale), a 5-button wireless remote control, and an instruction manual. Batteries are not included - the arm takes 4x AAA (1.5V) and the remote takes 1x AAA (1.5V).
Say "Jarvis" to wake the system - you'll hear a confirmation sound. Then within 10 seconds, give a command like "Open the armor", "Close the armor", "Open the laser cannon", or "Turn off the laser cannon". It supports both English and Chinese voice commands.
The arm runs on 4x AAA batteries (1.5V) and the wireless remote uses 1x AAA battery (1.5V). Batteries can be easily swapped when they run out. Do not use power sources higher than 6 volts.
Yes - it's a real laser pointer built into the arm. You can activate it by voice command ("Open the laser cannon") or with Button B on the wireless remote. It's a low-power pointer, not a cutting laser, so it's safe for normal use.
Press the palm button once to toggle the flashlight. Hold it for 3 seconds to trigger the full repulsor blast - a bright burst of light combined with explosion sound effects. You can also trigger it with Button D on the remote.
Absolutely. You have three control methods: voice (say "Jarvis"), the 5-button wireless remote (armor, laser, palm light, cannon blast, sound effects), and the touch-sensitive palm button for the repulsor.
Yes - it's a 1:1 scale wearable arm built with an ABS shell and metallic finish. The motorized split-style armor panels open and close on your arm just like in the movies. Perfect for cosplay, display, or just living out your Iron Man fantasies.
If the arm malfunctions, power it off, manually reset all components to the closed position, then power it back on. Never force components while the arm is powered on. Remove batteries when not in use. If you're still having issues, contact us at support@mcucollectibles.com.






