Have had a 243 built and just took delivery on Friday. Got some test loads fired this morning. Loads consist of Lapua brass, BR2 primers, H4831SC and 107 SMK's. Started at 42.0 grains and went up to 45.0 grains without any signs of pressure.
Any thoughts or experience with this bullet powder combination and how far one can go with it. I have read load data and know what the published max is accordingly.
Any thoughts or experience with this bullet powder combination and how far one can go with it. I have read load data and know what the published max is accordingly.
