Help me find a scope for an FX Impact

I have the Sidewinder and I'm waiting on the MTC Viper pro. Apparently there is/was a national backorder on the 3-18 model. I had the 5-30 for about 5 minutes before I decided to send it back for the 3-18. I found the 5-30 to be a bit too long and heavy for my use. But, I'm very excited to try out the geared elevation turret. I guess the overall downside to the Viper is the weight. But, the additional weight is probably due to the turret feature, primarily. 
The Sidewinder is a great scope. I'm currently running one on my most accurate rifle. There's not too much to comment on them. Good scope, good glass, decent price, functions how it should... everything you'd expect from a decent scope. I do like the fine lines and the size of the reticle on the 20x. It's nice to have those lines extend so far down for the really really long shots. 
I think you'd be happy either way. 
Tom

Those Hawke sidewinders are top notch. The glass is crystal clear, tracks well and ChairGun is designed for Hawke scopes. I have tried the competition but I seem to always go back to Hawke. 
"Just look at how many airgunners use Hawke scopes that right there speaks volumes."
(I'm speaking about the tac 30 version in particular)

The Hawke's are a good scope, but at the higher magnification the glass starts to get "milky". I never noticed it until I looked through my friends Sightron SIII. I have an Athlon Argos and for the price they are great scopes, and even First Focal Plane. 

Many people on here seem to really like the SWFA scopes, especially the HD. It all depends on what you're going to be doing with the gun. 

Congratulations on joining the Impact club. Now the barrels will suck your pockets empty.

I just mounted a SWFA 16x on my new to me Impact and I have to say I'm well satisfied with the clearness of the glass as well as the positive clicks on the turret. I have only shot it out to about 60yards but must say I like the scope better than my Aeon 3x12x50.after about two more shooting sessions I'll give my review of it.

I have an Impact with an MTC Viper Pro 3-18 and it's an great combination, i love the turret, you really should look @ Ted on youtube where he review the combination. (https://youtu.be/EUZENl-kwKs)
Lookwise i would prefer a bit shorter scope, it's a lot of scope on such short gun.

I use FX no-limit on mine and it's absolutely perfect.

I have put no limit mounts on several impacts they are perfect hight IMO 

I have a hawke sport optic and it is the clearest glass I have on any of my guns: air rifle, rim fire, or center fire. I'm considering the sidewinder as well. 

If you want small, light and bright.... get the Leupold VX-2 Rimfire EFR. My personal favorite!