If your 160 is low on power, it's probably some combination of gummy oil on the striker,aJanuary 24 2017 at 1:22 AM
|Scot Laughlin (Login classicalgas)|
Response to QB 78 mod = 2100?
sacked spring and a distorted poppet seal.
Drop Archers upgrades into a 78 and see if that's enough for you,there's more if you want it,though you'll need to set up for bulk to get the most out of the gun.
Do some searches here on QB tune, light striker, pillar valve.