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Royal Vulpira (Thresher ADD-ON)

ROYAL VULPIRA Maximum-Draw High-Volume Variant Description The Royal Vulpira is the highest-output Thresher expansion, extending draw to a full 5.5" for maximum plunger volume at the lowest hardware cost. It retains the simple Z-Shell single-shot architecture while delivering the strongest performance available within the lightweight Thresher family. Hardware Kit Part McMaster # Qty required (+Thresher Hardware) K26 (11") 9637K26 1 K25 (11") 9637K25 1 10-32 threaded rod (3ft) 98838A011 2 x 12" + 1 x 16" 1.375" ID Plunger Tube (3ft) 53945K21 1 x 9.75" Key Features Full 5.5" draw for maximum performance Most power output for lowest hardware cost Maintains Thresher’s lightweight, single-shot layout Compatible with Z-Shell caliber adapters

Royal Vulpira (Thresher ADD-ON)
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ROYAL VULPIRA

Maximum-Draw High-Volume Variant

Description

The Royal Vulpira is the highest-output Thresher expansion, extending draw to a full 5.5" for maximum plunger volume at the lowest hardware cost. It retains the simple Z-Shell single-shot architecture while delivering the strongest performance available within the lightweight Thresher family.

Hardware Kit

Part

McMaster #

Qty required (+Thresher Hardware)
K26 (11") 9637K26 1
K25 (11") 9637K25 1
10-32 threaded rod (3ft) 98838A011 2 x 12" + 1 x 16"
1.375" ID Plunger Tube (3ft) 53945K21 1 x 9.75"

Key Features

  • Full 5.5" draw for maximum performance

  • Most power output for lowest hardware cost

  • Maintains Thresher’s lightweight, single-shot layout

  • Compatible with Z-Shell caliber adapters