No issues, it feels fine shooting offhand. I have a Tikka Super Lite full length barrel, 20" CTR and had a 21" light palma and all have been fine shooting offhand. The only issue is when they are slung over the shoulder walking it will try to rotate due to being top heavy, but you can adjust the...
RL17 / 139gr SST is 2643fps, 120gr NBT is 2804fps I will probably be putting on another barrel but 18" or 19" and hopefully pickup a bit of velocity over the slow factory barrel.