Originally Posted by Jon2
was way out on my come ups in terms of actuals vs ballistic programme.
I'm assuming nothing as a given:
Was the scope fine with the same load before ?
Are the mounts and rings ok ?
Nothing wedged under the barrel by mistake ?
Have you chrono'd your loads ?
I consistantly find actual real world performance does not equal expectations garnered from 'paper'. Admittedly I use a cheap chrony and free on-line ballistics soft ware.
The only way to ever know exactly what your rifle will shoot like, is to shoot it.