.257 ROBERTS ACKLEY IMPROVED - Manufacturer Loading Data

Bullet
Type
Primer Case Trim
Length
C.O.L. Grains Vel. Press. Diam. Source
    75 gr  HP
(Sierra)
 FED 210  2700
(Accurate)
 REM     2.790" Starting:  50.4 gr       0.257" Accurate
Max: 53.0 gr   59,100
    75 gr  FNSP
(Sierra)
 FED 210  4350
(Accurate)
 REM     2.790" Starting:  49.5 gr       0.257" Accurate
C 
Max: 55.0 gr   58,900
    85 gr  X
(Barnes)
 FED 210  2700
(Accurate)
 REM     2.865" Starting:  48.5 gr       0.257" Accurate
Max: 51.0 gr   60,500
    85 gr  X
(Barnes)
 FED 210  4350
(Accurate)
 REM     2.865" Starting:  47.7 gr       0.257" Accurate
C 
Max: 53.0 gr   61,700
    90 gr  HPBT GK
(Sierra)
 FED 210  2700
(Accurate)
 REM     2.835" Starting:  46.6 gr       0.257" Accurate
Max: 49.0 gr   57,400
    90 gr  HPBT GK
(Sierra)
 FED 210  4350
(Accurate)
 REM     2.835" Starting:  47.7 gr       0.257" Accurate
C 
Max: 53.0 gr   59,900
    100 gr  TSX-BT
(Barnes)
 FED 210  2700
(Accurate)
 REM     2.885" Starting:  47.5 gr       0.257" Accurate
Max: 50.0 gr   59,900
    100 gr  B-TIP
(NOS)
 FED 210  2700
(Accurate)
 REM     2.945" Starting:  46.1 gr       0.257" Accurate
Max: 48.5 gr   59,600
    100 gr  TSX-BT
(Barnes)
 FED 210  4350
(Accurate)
 REM     2.885" Starting:  46.8 gr       0.257" Accurate
C 
Max: 52.0 gr   61,100
    100 gr  B-TIP
(NOS)
 FED 210  4350
(Accurate)
 REM     2.945" Starting:  46.4 gr       0.257" Accurate
C 
Max: 51.5 gr   61,600
    115 gr  PART
(NOS)
 FED 210  2700
(Accurate)
 REM     2.945" Starting:  44.7 gr       0.257" Accurate
Max: 47.0 gr   61,400
    115 gr  PART
(NOS)
 FED 210  4350
(Accurate)
 REM     2.945" Starting:  44.6 gr       0.257" Accurate
C 
Max: 49.5 gr   60,200
    120 gr  SBTSP
(Speer)
 FED 210  2700
(Accurate)
 REM     2.920" Starting:  44.7 gr       0.257" Accurate
Max: 47.0 gr   63,500
    120 gr  SBTSP
(Speer)
 FED 210  4350
(Accurate)
 REM     2.920" Starting:  44.6 gr       0.257" Accurate
C 
Max: 49.5 gr   61,700