Your guess is as good as anyone's here. There were several types of rifles made for the 7.82x57 (aka, 8mm Mauser) cartridge, these rifles were manufactured by several different arsenals, and the serial number does nothing to indicate the purpose. Yours might not even be a military rifle - your question gives us no indication of the manufacturer or model - for all we know.
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.
No
Try Collector Grade publications
1965 mauser action safari grade
The serial number on a 7x57 Mauser is typically located on the receiver, usually on the left side or top. In some models, you may also find it on the barrel or the bolt. It's important to check these areas carefully, as markings can vary depending on the manufacturer and model. If the rifle has been modified, the serial number location might differ.
Mauser Waffenfabrik never manufactured a .30-06 rifle. You MIGHT have an M1917 rifle, which can be worth over $1200 in good condition and all matching serial numbers.
The serial number indicates a Model 1893 Spanish Mauser manufactured in 1921. Yes, it would be a 7mm with gas exhaust hole on left.
The L70 suffix to the serial number identify,s the year of production of your Browning safari bolt action rifle as 1970.
The serial number 4279990 is a partial serial number for this rifle. To determine the date the rifle was manufactured you need to provide a complete serial number that begins with letters.
This should be a Safari Grade mauser action made in 1964
You have listed the model number of your rifle,not the serial number.
The Mauser Chileno rifle, specifically the Modelo 1895, typically has serial numbers that indicate the year of manufacture. Many of these rifles were produced in the late 19th and early 20th centuries, with significant production occurring around 1895 to the early 1910s. However, the exact year can vary based on the specific serial number and the manufacturer. For precise identification, one would need to reference specific production records or databases related to that rifle model.