Ok the gun seems to shoot fine and I've got the knack of pulling the bolt back but need to move the scope back to shorten eye relief thing is there is what looks like a little roll pin on top of the dovetail stopping me moving the front mount back can this pin be removed sorry to be asking so many q...

Thanks for the advice nice to know some came like that
When I saw the muzzle had no crown and the gun hadn't been shot much I began to think I'd bought a duffer but I'll see how it shoots tomorrow and take it from there
Thanks
Rob

Hi all Just getting back into airguns and today bought a hardly used a s410 Thing is I took the mod off to give the barrel a pull through and noticed there is no crown, it's not a sharp edge but not the usual chamfer is this normal. The bolt is quite hard to pull fully back but I hope this will loos...