You have to remember what that rifle was made for....a nation of citizen soldiers to accurately defend home and country. They pride themselves on marksmanship and compete against other cantons and towns in shooting contests between units.
Add to that the fact that every soldier kept his rifle at home (with ammo), and had to pass inspection and qualify with it every year. Any damage to the gun was paid for BY THE SOLDIER!! That means they took good care of their very good rifles. The bolt looks like tool-steel, the machining is immaculate, the wood is a very robust beech, and the design beds itself almost perfectly. The action is fast and natural, and the balance and weight of the gun is top notch.
Plus the Swiss did something else very unique amongst nations - they made Match-Grade ammo their standard cartridge. There isn't match or machine gun or just issue ammo. There's only GP-11 and it's all very very good stuff. Probably as good as any milsurp ever made. Even handloaders have a hard time duplicating it's performance.
My scoped K-31 has shot a .565" group at 100 yards, and will routinely shoot sub-MOA, with no modifications to it. I've heard tales of that kind of accuracy from issue weapons, but mine is a no-BS honest engine and documented score before witnesses.
In short, I LOVE SWISS guns!