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Gray Design FireFly Altimeter Mount for BT-70 Tube GRD BT-70

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Product Description

Gray Design FireFly Altimeter Mount for BT-70 Tube  GRD BT-70

The BT-70 FireFly Altimeter Mount is specifically designed for serious hobbyists and those participating in rocketry competitions. Its lightweight, compact design, can drastically improve rocket performance as compared to other altimeter mounts. The Gray Designs FireFly mount is the product of years of experience designing altimeter mounts, this mount is not only well designed but is also well tested through numerous real world launches.

Package Includes

1x 3D Printed FireFly Mount

3x M3 Screws (only two required)

1x Allen Key

1x 12” Kevlar Cord


  • Weight (without Altimeter): 9.4 g (0.33 oz)
  • Weight (with Altimeter): 13.7 g (0.48 oz)
  • Assembled Height: 13.34 mm (0.525 in)
  • Fits best In BT-70 & BTH-70 standard body tubes

More information at: FireFly Altimeter Mount by Gray Designs

Made in the USA





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