Bit different way to rifle a barrel
 

Was searching info on a Sabatti SKL15 Kipplauf rifle, first saw this mentioned in a video on YT--Multi radial rifling in a cold hammer forged barrel.

http://www.sabatti.it/en/mmr-system-shooting-rifles/

This is the vid on the SKL15, which for whatever reason isn't showing as listed anymore on their website;

https://www.youtube.com/watch?v=lbpBUTwoO4w

Seems to shoot OK. One ad for French store @ 1699 euros on super sale price, regular 2499. 6.5x57R.