I've got a feeling this one may be my new favorite. 257 Roberts Ackley Improved.
[img]via Imgflip Meme Generator
22-243 ackley improved!!! Send those lighter weight bullets back to 1955!!!
I like 50s for a good all around p-dog bullet.
A snappy load of RL-15 and a 87grn sierra.
H4350 is not listed in the book. But, IMR4350 is. The starting load is 43.5grn.
The Nosler book lists 49.5grn of H4831sc as their most accurate load.
A 40grn or 50grn bullet over Varget. You could try some 55s, some barrels do great with them, some don't.
Tested out the H4350 with the 110grn eld-x. The results were great.
Another vote for the Sierra Gameking.
Well done! Tell us about your rifle please.
Have you annealed the brass first?
I'm not having any issue with my forming load. They are completely forming in the first firing. No lost cases yet either.
[img]via Imgflip Meme...
Yes, i am getting a slight shoulder crush. Remington brass.
I am forming my first batch of 257 improved brass also. I am having good success with a warm load of RL15 and sierra 87s.
Separate names with a comma.