I expect they would shoot well in your 1-9 twist.
You should be able to go heavier even. I shot the 69 SMKs in my 1-9 barrels.
My shooting partner tried the 60 gr TMKs in a 12 twist 223 Rem. Best he could achieve is 1.5” group at 100 meters. He seems to be able to get 60gr Vmax to shoot though.