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Yes, That's Correct.

December 28 2016 at 10:14 AM
Steve888  (Login Steve888)
YF


Response to Thanks for the explaination......should I then

Farmer,

The XP Tune Kit will give approximately 700 FPS with 7.9 Grain pellets at around 65 - 70 degrees F when fitted to a .177 caliber QB78 or QB79 single shot air rifle.

Doug, thanks for providing the link to more details!

Please note that although the XP Tune Kit bolt and the Repeater bolt are very similar, they are not interchangeable as they have slightly different designs in ways that are not significant to muzzle velocity.

Stephen Archer
Archer Airguns Inc.
http://www.archerairguns.com

 
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