The accuracy tends to vary from gun to gun. - Probably because of differing levels of use. Also, if you develop a psychological anticipation of recoil for a particular rifle, it can definitely affect your accuracy.
Any time you cut away large amounts of steel from the barrel and receiver, you are begging for accuracy problems and 'wandering zero', especially once the barrel heats up.
It's a cutie, fun to shoot, but it's got undeniable problems. The Brits don't wantonly dump rifles (witness the long life of the full size SMLE).