Shot five into less than an inch on two separate days (smaller than one digit on my index finger);
Finn M91
Case - Rem
Primer - WLR
Bullet - MilSurp, 173gr. FMJ flat base
OAL - 75.0mm
Powder - WC852 (slow)
Charge - 51.5gr.
Slightly cratered primer, but only minor flattening.