50-100 USD
Yes.
7x57mm
Usually the sn and caliber
Your Model 1885 Single Shot Rifle (high-wall) was manufactured circa May 1891.
The Mauser es340b was a single shot .22 long rifle. It was made too look and feel like a Mauser 98K. It is not a sniper rifle. It is a target rifle.
Not every single mauser bolt is interchangable, but most bolts for a single model will be. For example, most bolts from the millions of WWII era kar-98k's are interchangable but will not be interchangable will a modern mauser hunting rifle or a modern rifle based off of the mauser action.
No.
probably 7mm or 8 mm
Mauser for one.
Send me photos of the rifle and of the markings, and I should be able to narrow it down for you. The email address is in my bio page.
The Mauser H8550 is typically chambered in .22-250 Remington caliber. This rifle is known for its accuracy and flat shooting characteristics, making it popular for varmint hunting and target shooting. However, it's important to verify specific models, as variations may exist.
With soap and water.