Ok I see what your saying, so I guess it's going back to AirArms then.

I assume the grub screw would locked in place by another crub screw though, unless a second grub screw wasn't fitted.

It's .177 and sub 12ft lbs, I just can't understand why I have t got a power curve as you'd expect from a non regulated gun

Afternoon Guys I have an s510 ultimate sporter, I' bought the rifle new a couple of weeks ago and have put approx 500 pellets through it Today I had the chance to borrow a mates chrono and decided to do some testing at my local range. I'm not new to pcp air rifles as I also own a 410 carbine and I'm...