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  • Drone Valves
  • Drone Valves

Drone Valves (McCallum) (In Stock)


Product Description

The McCallum drone valves are designed for the modern range of synthetic bags from Bannatyne, Canmore and Ross.  They give you better control during intros, and have proved successful in getting that clean cut off.   This valve is not suitable for traditional skin bags.

Step 1: Fine Adjustment:   The valve is pre-set at the factory.  If you feel you need to make adjustments, gently pull on the elastic loop and move the small rubber sop (shown at arrow below) up or down to lessen or increase the tension.  Some trial and error will be necessary, but please note that a very minute adjustment is necessary.


Step 2: Hemp to Size:  The valve as been designed to fit most drone stocks, but some hemping might be required.  Black waxed hemp is recommended 


 Black waxed hemp can be found here:

Step 3: Fitting:  Once fitted with hemp, your valve is ready to be inserted into the stocks (or the tubes for a Ross bag).  If either the Bannatyne or Canmore zip bags is being used, then the valves can be fitted without removing the stocks.


Product Reviews

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  1. McCallum Drone valves

    Posted by Bill Shingleton on 20th Sep 2021

    The drone valves do help improve my strike-ins and cut-offs. Once hemmed, they fit snuggly at the base of the drones. However, of the three valves received, the elastic on one of the was frayed and not immediately usable. I have been able to jury-rig the frayed ends into a temporary knot until I can get a replacement.