I got a 257 Roberts Ackley Improved reamer and 4 CM Lothar Walther light varmint barrels from Brownells in 2002.
I built up 4 rifles on 98 Mauser actions, one for myself, and 3 for the guys I hunt with. I got them sets of dies.

The barrels were really too heavy for deer hunting, but we tried.
They were the most accurate rifles we had ever owned.
None of us had got less than 1/2" 5 shots a 100 yards before then. 3600 fps with 75 gr Vmax seemed the best.

In 2012 I used the reamer a 5th time, on a Shilen select match stainless #3 taper on an 1885 action.
I was getting 0.9 moa average. This was no target gun, but light weight. I shot 4 mule deer with it in 2012 between 50 and 400 yards with 115 gr Nos Bal tip 3050 fps. I could not ask for a better deer cartridge out to 400 yards.

After all this screwing around with forming an Ackley shoulder, this year I bought a 257 Roberts reamer and a 25-06 reamer.
Hopefully I have kicked the Ackley habit.


There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. -Ernest Hemingway
The man who makes no mistakes does not usually make anything.-- Edward John Phelps