.257 Roberts Ackley Improved Loads from Richard Wild

Start with .257 Roberts loads from a current load manual and work up.


BULLET
LOAD
POWDER*
AV. VELOCITY
75 Horn V-max
45.5 gr
AR 2208
3300
(b.c. .3)
 52.0
AR 2208
4000
 
 
  
 
95 Berger HP
51.0
AR 2209
3373
(b.c. 0.4)
      
       
100 Sierra HPBT Match
51.0
AR 2209
3307
(b.c. 0.4)
      
       
100 Barnes-X HPBT
50.5
AR 2209
3300
(b.c. .4)
      
       
 100 Nosler Ballistic Tip
52.0
AR 2209
3441
 (b.c. 0.4)
      
 
 
 
 
110 Taipan HP 
50.0
AR 2209
3000
 *Equivalencies:
            AR 2208 is sold in the states by Hodgdon as Varget
            AR 2209 is sold in the states by Hodgdon as H4350

Disclaimer:
Note that these loads work in my rifle.  Any such loads may not work in yours.
You should work yours up accordingly.

 
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