
The Story
The Vesper Smart Hold-Open Module is a printed circuit board add-on for the Hare Tech Vesper Brushless Flywheel Blaster. Featuring a ferrous reed switch that senses the magnetic follower in select Vesper magazines, this module prevents the solenoid from firing when a magazine is empty.Â
FEATURES:
• Vesper Smart Hold-Open Module
• Detects if you’re... out of darts
• Magnet-sensing PCB
• Holds open / disables solenoid when mag is empty.
• Easy installation
• No soldering required!
• Compatible with Hare Tech Vesper only
• Designed for use with Hold-Open Vesper Mags
• Retains compatibility with standard Hare Tech Mags*
*Magazines without magnetic followers will still fit and function in the Vesper with this module installed. However, it will not detect an empty mag without a modified follower.
INCLUDES:Â
• 1 Hold-Open Module
SPECS:
• Material: Printed Circuit Board
• Dimensions:Â
• Weight:Â
• SKU: BOARD VESPER HOLD OPEN PCB
LINKS:
• Hare Tech Vesper Blaster
• Hold-Open Magazines
• More Vesper Mods + Accessories

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.
Description
The Vesper Smart Hold-Open Module is a printed circuit board add-on for the Hare Tech Vesper Brushless Flywheel Blaster. Featuring a ferrous reed switch that senses the magnetic follower in select Vesper magazines, this module prevents the solenoid from firing when a magazine is empty.Â
FEATURES:
• Vesper Smart Hold-Open Module
• Detects if you’re... out of darts
• Magnet-sensing PCB
• Holds open / disables solenoid when mag is empty.
• Easy installation
• No soldering required!
• Compatible with Hare Tech Vesper only
• Designed for use with Hold-Open Vesper Mags
• Retains compatibility with standard Hare Tech Mags*
*Magazines without magnetic followers will still fit and function in the Vesper with this module installed. However, it will not detect an empty mag without a modified follower.
INCLUDES:Â
• 1 Hold-Open Module
SPECS:
• Material: Printed Circuit Board
• Dimensions:Â
• Weight:Â
• SKU: BOARD VESPER HOLD OPEN PCB
LINKS:
• Hare Tech Vesper Blaster
• Hold-Open Magazines
• More Vesper Mods + Accessories





















