Boss Fight Studio

How to Swap Heads and Accessories on Vitruvian H.A.C.K.S. Figures

How to Swap Heads and Accessories on Vitruvian H.A.C.K.S. Figures

By Boss Fight Studio | Published: 2026-08-09

Category: How-to Guides

Learn the step-by-step process to swap heads and accessories on Vitruvian H.A.C.K.S. figures, including tools, techniques, and tips for customization.

Vitruvian H.A.C.K.S. action figures are beloved by collectors for their incredible articulation, detailed sculpts, and—most importantly—their modular design. One of the most exciting aspects of this line is the ability to customize your figures by swapping heads, hands, and accessories. Whether you're looking to create a unique hero or a terrifying villain, the possibilities are nearly endless.

In this guide, we'll walk you through the essential tools, techniques, and tips for successfully swapping heads and accessories on your Vitruvian H.A.C.K.S. figures. We'll cover everything from prepping your figure to troubleshooting common issues, so you can customize with confidence.

Why Customize Your Vitruvian H.A.C.K.S. Figures?

Customization is at the heart of the Vitruvian H.A.C.K.S. philosophy. The line is designed with interchangeable parts, making it easy for collectors to mix and match to create something truly unique. Whether you're a seasoned customizer or a newcomer to figure modding, the modular nature of these figures makes them incredibly accessible.

Beyond the creative satisfaction, customization allows you to breathe new life into your collection. You can create characters that represent your original ideas, or you can modify existing figures to better fit a specific theme. For example, you might want to give a heroic figure a menacing head from a zombie or a mythical creature. The ability to swap heads and accessories also makes it easier to display your figures in dynamic poses, as you can choose the perfect head to convey emotion or action.

  • Unleash your creativity: The modular design encourages experimentation.
  • Save money: Instead of buying a whole new figure, you can swap parts to create a new look.
  • Enhance display: Customize heads to show different expressions or moods.

Essential Tools for Head and Accessory Swapping

Before you start, gather a few basic tools to make the process smooth and safe. You'll need a small flathead screwdriver or a spudger to gently pry apart parts, a pair of needle-nose pliers for gripping stubborn pegs, and a hairdryer or heat gun to soften the plastic if parts are too tight. A hobby knife can also be useful for trimming excess plastic, but use it with caution.

It's also a good idea to have a clean, well-lit workspace with a soft cloth or mat to prevent scratches. If you're planning to repaint or modify parts, you'll need paints and brushes, but for simple swaps, these tools are sufficient.

  • Flathead screwdriver or spudger
  • Needle-nose pliers
  • Hairdryer or heat gun
  • Hobby knife (optional)
  • Soft cloth or mat

Step-by-Step Guide to Swapping Heads

Start by gently heating the neck joint with a hairdryer for about 30 seconds. This softens the plastic and makes the peg more pliable, reducing the risk of breakage. Once warm, carefully pull the head straight up and off the neck peg. If it's still stubborn, use a spudger to gently pry it up from the back.

Next, prepare the new head. Ensure the peg hole is clean and free of debris. If the new head has a different peg size, you may need to adapt it. Most Vitruvian H.A.C.K.S. heads use a standard size, but some may require a bit of adjustment. If the peg is too tight, you can sand it down slightly; if it's too loose, you can add a small piece of tape or a drop of superglue to increase friction.

Once the new head is ready, align it with the neck peg and press it firmly into place. You should feel a satisfying click when it's fully seated. Rotate the head to ensure it moves freely and doesn't pop off easily. If it's too loose, you can add a tiny bit of Blu-Tack or a small piece of paper to tighten the fit.

  • Always heat the joint first to avoid breakage.
  • Check the peg size and adjust if necessary.
  • Test the fit after swapping to ensure stability.

Swapping Accessories: Hands, Weapons, and More

Accessory swapping is just as easy. Most Vitruvian H.A.C.K.S. figures come with interchangeable hands that pop off at the wrist. Gently pull the hand straight off the peg, using a bit of heat if needed. To attach a new hand, simply push it onto the wrist peg until it clicks. For weapons and other equipment, the same principles apply: heat, pull, and push.

If you're swapping accessories that have specific pegs or slots, make sure they match. Some accessories may be designed for specific figures, but many are compatible across the line. For example, the Saurozoic Warriors Action Figure: Ceratopsian Guard comes with unique weapons that might fit other figures with similar peg sizes. Always test the fit before committing.

Saurozoic Warriors Action Figure: Ceratopsian Guard
Saurozoic Warriors Action Figure: Ceratopsian Guard

For more complex swaps, like changing out a cape or adding armor, you may need to disassemble the figure further. Consult the figure's instructions or look for online guides, but in general, the process is straightforward and requires patience.

  • Heat the joint before pulling to prevent stress marks.
  • Use the correct hand for the weapon type (e.g., gripping hand for swords).
  • Keep spare parts organized in a tray to avoid losing them.

Common Issues and How to Solve Them

One common issue is a loose head or accessory after swapping. This can happen if the peg is too small or the hole is too big. Solutions include adding a small piece of tape to the peg, using a drop of superglue (but be careful not to let it dry before inserting), or applying a thin layer of clear nail polish to the peg to increase friction.

Another issue is a stuck peg. If a part won't come off, don't force it. Apply more heat and gently wiggle the part. If it still won't budge, use a small flathead screwdriver to carefully pry it up. Avoid using excessive force, as this can crack the plastic.

If you're swapping heads and the new head doesn't fit due to a different neck joint design, you may need to modify the head or the neck. Some figures have different peg types, so check compatibility. If necessary, you can use a rotary tool to enlarge the hole, but this is a more advanced technique.

  • Loose joints: Use tape or nail polish to tighten.
  • Stuck parts: Apply heat and gently pry.
  • Incompatible pegs: Modify or use an adapter.

Inspiration: Showcase Your Custom Creations

Once you've mastered the basics, you can start creating amazing custom figures. For instance, you could take the head from the Vitruvian H.A.C.K.S. Action Figure: Irradiated Zombie - Series Z and place it on a heroic body to create a tragic anti-hero. Or, you could swap the hands of the Conan the Barbarian 1:18 Scale Hero H.A.C.K.S. Action Figure to hold a different weapon.

The modular nature of the line means you can mix and match across different series, like combining parts from the Hellboy 1:12 Scale Action Figures Wv1 | Hellboy (Box Full of Evil) with the Red Sonja 1:12 Scale Epic H.A.C.K.S. Action Figure to create a unique crossover. The only limit is your imagination.

Don't forget to share your creations online! Many collectors love to see custom figures, and you might inspire others to try their hand at customization.

  • Mix heads and bodies from different series for unique looks.
  • Use accessories from various lines to add variety.
  • Share your customs on social media with hashtags like #HACKScustom.

Swapping heads and accessories on Vitruvian H.A.C.K.S. figures is a rewarding and fun way to personalize your collection. With the right tools and techniques, you can create figures that are truly your own. So gather your parts, heat up your hairdryer, and start customizing! If you're looking for a great base figure to start with, check out the Vitruvian H.A.C.K.S. Action Figure: Irradiated Zombie - Series Z for a versatile and detailed addition to your customization projects.

Shop Related Products

Red Sonja 1:12 Scale Epic H.A.C.K.S. Action Figure

Red Sonja 1:12 Scale Epic H.A.C.K.S. Action Figure

$38.39 $59.99

Shop Now
Hellboy 1:12 Scale Action Figures Wv1 | Hellboy (Box Full of Evil)

Hellboy 1:12 Scale Action Figures Wv1 | Hellboy (Box Full of Evil)

$43.79 $59.99

Shop Now
Conan the Barbarian 1:18 Scale Hero H.A.C.K.S. Action Figure

Conan the Barbarian 1:18 Scale Hero H.A.C.K.S. Action Figure

$21.29 $29.99

Shop Now
Saurozoic Warriors Action Figure: Ceratopsian Guard

Saurozoic Warriors Action Figure: Ceratopsian Guard

$18.29 $29.99

Shop Now