No this item comes with a illuminated reticle.
The Trijicon Credo CR828 1-8x28mm Rifle Scope is made in Japan.
The adjustment knobs on the Trijicon Credo CR828 1-8x28mm Rifle Scope how a zero stop function and are capped to prevent any accidental shifts.
No. The Trijicon Credo uses a 34mm tube and would need to be paired with a 34mm mount. I will link potential mounting options below.
https://www.opticsplanet.com/s/34mm-mount?_iv_categories=riflescope-mounts-rings-and-bases&_iv_availability=in-stock&_iv_parent-tube-diameter=34-mm
The Trijicon Credo CR828 1-8x28mm Riflescope comes with an MRAD Reticle that can be used on a multitude of applications including 308 rifles, 5.56, 7.62x39 etc.
The Trijicon Credo 1-8x28 does come with the included bikini covers from Trijicon, but if you're looking for some flip-open covers, here are some options you can go with:
Butler Creek Multi-Flex Flip-Open Riflescope Eyepiece Lens Covers - MPN: 21618
https://www.opticsplanet.com/butler-creek-multi-flex-flip-open-riflescope-eyepiece-lens-covers.html
For the best Objective fitment, Butler Creek Blizzard - MPN: 70203
https://www.opticsplanet.com/butler-creek-blizzard-see-thru-scope-covers.html
28mm is the objective lens diameter, the tube itself is 34mm, so this will mount with any normal 34mm rings.