Another of dad's favored Rugers - dated '78 using SN reference at Ruger's website. The inventory notes on this guy indicate ".308 Winchester" and "26in Bull barrel/sights".
The scope is marked "redfield 6x" and has serial J107102.
I'm contemplating an AR build. A .308 would be a good rifle with readily available ammo. But I have questions. 1. What would a good barrel length be for this?
2. Where would I even begin to Look for the parts? Mainly the barrel, upper, and lower?
3. I'm going to do this over time, but I'll...