The Firing Line Forums - View Single Post - Reloading the Springfield 45-70 Trap Door

Hedning · July 13, 2010, 05:02 PM

I use BP only in my TD. 70 grs of Swiss no 4. Shooting only 500grs bullets. The load have to be compressed to get the right pressure and length. I use "milkcoins" between the powder and the bullet (dont have to do that), I do that if I dont crimp the casings. Just to make the powder stay in there if a bullet drops out.

Accuracy is surprisingly good. Using a blowtube between shots I make an average of 1.5-2 moa groupings.

Using the 500 grs bullet makes reloading a bit easier imo. My experience is that the 405grs is a little itchy when it comes to pressure. If you dont reach the right pressure, accuracy could suffer. Just my experience anyway...

July 13, 2010, 05:02 PM	#8
Hedning Member Join Date: January 4, 2010 Location: Eastern Norway Posts: 43	I use BP only in my TD. 70 grs of Swiss no 4. Shooting only 500grs bullets. The load have to be compressed to get the right pressure and length. I use "milkcoins" between the powder and the bullet (dont have to do that), I do that if I dont crimp the casings. Just to make the powder stay in there if a bullet drops out. Accuracy is surprisingly good. Using a blowtube between shots I make an average of 1.5-2 moa groupings. Using the 500 grs bullet makes reloading a bit easier imo. My experience is that the 405grs is a little itchy when it comes to pressure. If you dont reach the right pressure, accuracy could suffer. Just my experience anyway...