DIY Guide: Making Your Own Speargun Bands

Crafting your own speargun bands is a rewarding DIY project that can save money and let you customize your setup for maximum performance. Here's a simple guide to help you create durable and effective speargun bands.

What You’ll Need

• Rubber tubing: High-quality latex tubing is essential for elasticity and strength.
• Dyneema or nylon wishbone: For connecting the band to the shaft.
• Band constrictor cord or zip ties: To secure the ends of the tubing.
• Scissors or a sharp knife: For cutting the tubing.
• Lighter: For finishing the ends of the wishbone cord.

Step-by-Step Process

1. Measure and Cut the Tubing
   Determine the desired length of the rubber band. A common formula is to cut the tubing to approximately 300% of its relaxed length for optimal stretch and power. Cut the tubing cleanly to avoid uneven ends.

2. Prepare the Wishbone
   Cut the Dyneema cord to the appropriate length, considering the size of your speargun and personal preference. Use a lighter to seal the ends to prevent fraying.

3. Insert the Wishbone
   Push one end of the wishbone into the tubing, leaving enough length to tie a secure knot inside. Repeat this for the other side of the band.

4. Secure the Tubing Ends
   Wrap the band constrictor cord or zip ties tightly around the tubing where it overlaps the wishbone. Ensure a snug fit to prevent the wishbone from slipping during use.

5. Test the Band
   Once assembled, stretch the band to check its elasticity and ensure the wishbone remains firmly in place. Adjust if needed.

Tips for Success

• Always use high-quality materials to ensure safety and durability.
• Test your speargun bands in a controlled environment before taking them into the water.
• Replace your bands regularly, as rubber degrades over time with exposure to sunlight and saltwater.

By making your own speargun bands, you can customize the power and performance of your setup while gaining a deeper understanding of your equipment. Happy spearfishing!