rimless 256 Winchester Magnum

[22_boomer]

Originally Posted by 320pf

Nice! I have a couple of questions. What does the fire formed case look like and what velocities are you getting with the 70 gr Sierra BK?

320pf

The fire-formed cartridge is in the picture below -- don't know if you can actually tell any difference -- maybe the sharper shoulder.


With the loads I use in the fire-formed cartridges I'm getting 2300fps. that's out of my carbine's 11.5" barrel.