Product customization

Don't forget to save your customization to be able to add to cart
  • 250 char. max
  • 250 char. max
  • 250 char. max
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  Products manufactured and sold by Killough Shooting Sports may require a U.S. Department of State license or a U.S. Department of Commerce license to be exported/shipped out of the United States. Please refer to the Policies link at the bottom of this pag
  Most items ship UPS Ground or USPS. Ammunition is not considered HazMat and does not incur any additional shipping charges but, it must be shipped UPS Ground. Items shipped from the St. Louis Warehouse may be shipped UPS, FedEX, or Spee-Dee ground. Inte
  RETURN POLICYOur goal at Killough Shooting Sports is to offer top notch service and products. If you need to return a product, please see the policies link at the bottom of the page for further instructions. Pay close attention as there are differen
  Prop 65 This product can expose you to chemicals which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.


*Can't be bored bigger than .950

*Set your Tuner with the Purdy Prescription as oultined by Tony Purdy in the 9th Harmonic

*Measure your exact barrel length from the breech to the muzzle and we will set it for you.

*Our setting should be within a 1/2 turn in either direction. 

*Greatly simplifies your tuning procedure

*3 Nylon Tip Screws to lock down your tuner once it is set

*We will set it for you before shipping or here is the formula to set it your self.

27" Barrel = 3.099 in tuner length 

26" Barrel = 2.974 in tuner length

25" Barrel = 2.849 in tuner length

24" barrel = 2.724 in tuner length

23" barrel = 2.599 in tuner length

Tuner is adjustable from approximately 1.675"-2.075" in length

Each number on tuner is .001" longer

Add the .5", 1.0", or 1.25" Extension to get the appropriate length

One extension comes with the tuner at no extra charge


Specific References

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