Re: SWIFT Handgun Scopes
Swift isn't going to be as sturdy as the Nikon or Leupold from my experience.
I have used Nikon's Monarch 2.5-8x EER scopes, as well as different models of Leupold 2x and 4x fixed and handgun scopes. They are very tough, reliable, don't lose zero once set, and have stood up to recoil from 357mag to 454 Casull and more recently to 500S&W revolvers.
You'll save money on the Swift initially, but you may end up spending more in the long-run should you have to replace the Swift due to mechanical failure.