Archer Airguns XP Tune kit for QB 78
Use the Archer Airguns “XP” Tune Kit to vastly increase the muzzle velocity and power of your QB78-family air rifle by changing just two simple parts! Gain most of the performance benefits of a professional tune at a fraction of the price and enjoy doing the work yourself. In fact, the price of this tune kit is about the same as you would pay just for shipping your QB78 to a tuner and back - before even counting the cost of the tune.
This kit provides about 100fps muzzle velocity increase with most QB78 family air rifles and you can fit it yourself!
XP Tune kit includes: 2 breech seals, 2 bolt O rings, 6 barrel O rings and one 1.25mm Allen wrench.
This kit provides about 100fps muzzle velocity increase with most QB78 family air rifles and you can fit it yourself!
XP Tune kit includes: 2 breech seals, 2 bolt O rings, 6 barrel O rings and one 1.25mm Allen wrench.
Caliber
.177