Greetings from Italy

[VASCAR2]

You might try some N540 or N-530 powder, N-133 is pretty fast powder. I’ve shot a few Nosler CC in my Cz 527 with CFE223 and they shot about 1.5” groups if I remember correctly. This was when my rifle was new prior to adjusting the trigger and relieving the stock to ensure the barrel was free floated. The Lapua Scenar bullets are probably more accurate than the Nosler but quite a bit more expensive gere in the US.