Probably 1.0-1.5 MOA, depending on WHICH Ruger rifle.
Ruger's web site has extensive sn data.
Yes.
If the ruger site comes back up, you can check there sn database
Not currently cataloged.
100-1000 USD depending on specifics
The difference between 6mm and 1/4 inch is very small in terms of measurement accuracy and precision. 6mm is slightly larger than 1/4 inch, but the difference is minimal and may not be noticeable in most practical applications. Both measurements are precise and accurate for most everyday purposes.
1-1.5 MOA with the right loads
580 is the newer version of the Mini 14 Ranch, minor engineering changes, improved accuracy, etc.
22-250, 220 Swift, 243, 6mm Rem, 25-06, 308. Other versions of the 77 were in MANY other calibers.
The effective range of a 6mm rifle, such as the 6mm Creedmoor or 6mm Remington, typically falls between 600 to 1,000 yards, depending on the specific cartridge, bullet type, and environmental conditions. These cartridges are known for their high velocity and flat trajectory, making them suitable for long-range shooting and hunting. Factors like shooter skill, rifle setup, and atmospheric conditions can further influence accuracy at extended distances.
It was bought in 1971, i dont know much about it, it was handed down to me by my great grandfather. it looks to be in good shape but i cant find any info on it on the internet. its my first rifle.
6mm is equal to a 2 gauge.