This is kind of a noob question on my part but don't all the new Ruger bolts use their rotary magazines now? I'm just thinking about it because he was describing a standard internal box mag and not too long ago looked at what I think was a m77 and I thought it had a rotary mag... could be wrong but hence why I asked.
The only experience I have with Ruger rifles is the 10/22 I bought a few months ago... and with the exception of some crappy magazines I bought it runs like a top.
When I die better bury me deep, two .45s layin' at my feet,
An M16 across my chest, tell Chesty Puller I did my best