Got the German .577 boxer double rifle shooting today. Someone on another site said that it might be chambered for the .577 Boxer cartridge. I'm pretty sure that it is. Dimensions are almost spot on.

[https://youtu.be/r9OrAFP4YR4](https://youtu.be/r9OrAFP4YR4)

https://youtu.be/r9OrAFP4YR4