These would be a great option: https://www.opticsplanet.com/weaver-cross-lock-rings.html?_iv_ring-height=medium
Lens covers are not included.
Yes, the Leupold FX-I Rimfire 4x28mm Rifle Scope is manufactured in the USA.
The Leupold FX-I Rimfire 4x28mm Rifle Scope is a fixed 4X magnification scope and the Leupold VX Freedom Rimfire 2-7x33 is a variable power scope with magnification range of 2-7x.
Yes, this Leupold FX-I Rimfire 4x28mm Rifle Scope only has a 28mm objective lens meaning it will fit and function as intended with low height rings.
Yes, the Leupold FX-I Rimfire 4x28mm Rifle Scope will be compatible with your CZ 457 Varmint when using the proper base and rings. Email us at Techsales@opticsplanet.com for more information.
The Leupold FX-I Rimfire 4x28mm Rifle Scope is designed for Rimfire calibers. I would not recommend using this scope for your muzzleloader.
To mount the Leupold FX-I Rimfire 4x28mm Rifle Scope to a H004 Golden boy, you would need the Henry Golden Boy Cantelever Style Scope Mount designed specifically for the H004 and will allow you to use weaver style rings. The rings I recommend are low height Burris Rifle Scope 1 inch Zee Solid Steel Rings. You can find the base and rings in the links below.
https://www.opticsplanet.com/henry-gbcsm-scope-mount-w-rings-for-golden-boy-cantelever-style-blue-finish.html
https://www.opticsplanet.com/burris-1zee-solid-steel-rings.html?_iv_ring-height=low
Leupold riflescopes are machined and assembled in the US. Write us at techsales@opticsplanet.com so we can better assist you in your setup.
Yes, the finish is a matte black.