The Firing Line Forums - View Single Post - 45-70 and reloader-7

458winshooter · August 10, 2018, 01:23 AM

Lyman lists 40 gr
as the starting point for their 457643 400 gr cast bullet for 1542 fps and 14,000 cup.Thats in the lowest pressure category.Speer starts their load data for their 400 gr jsp at 41.0 and a Max at 45.0 for Re-7.Again at lowest level.Alliant lists 40.0 as Max for that same bullet at 1580 fps and 24,900 cup.I did see your second post but thought you may still be interested.I cast a 405 gr Lee hollow base for mine.

August 10, 2018, 01:23 AM	#3
458winshooter Senior Member Join Date: June 16, 2008 Location: Transplanted to Ridgeland,SC Posts: 606	45-70 405 Lyman lists 40 gr as the starting point for their 457643 400 gr cast bullet for 1542 fps and 14,000 cup.Thats in the lowest pressure category.Speer starts their load data for their 400 gr jsp at 41.0 and a Max at 45.0 for Re-7.Again at lowest level.Alliant lists 40.0 as Max for that same bullet at 1580 fps and 24,900 cup.I did see your second post but thought you may still be interested.I cast a 405 gr Lee hollow base for mine.