.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  3,435    0.257" Accurate
Max: 53.0 gr 3,654 59,100
    75 gr  FNSP
(Sierra)
 FED 210  4350
(Accurate)
 REM     2.790" Starting:  49.5 gr  3,213    0.257" Accurate
C 
Max: 55.0 gr 3,651 58,900
    85 gr  X
(Barnes)
 FED 210  2700
(Accurate)
 REM     2.865" Starting:  48.5 gr  3,230    0.257" Accurate
Max: 51.0 gr 3,436 60,500
    85 gr  X
(Barnes)
 FED 210  4350
(Accurate)
 REM     2.865" Starting:  47.7 gr  3,056    0.257" Accurate
C 
Max: 53.0 gr 3,473 61,700
    90 gr  HPBT GK
(Sierra)
 FED 210  2700
(Accurate)
 REM     2.835" Starting:  46.6 gr  3,100    0.257" Accurate
Max: 49.0 gr 3,298 57,400
    90 gr  HPBT GK
(Sierra)
 FED 210  4350
(Accurate)
 REM     2.835" Starting:  47.7 gr  3,021    0.257" Accurate
C 
Max: 53.0 gr 3,433 59,900
    100 gr  TSX-BT
(Barnes)
 FED 210  2700
(Accurate)
 REM     2.885" Starting:  47.5 gr  3,008    0.257" Accurate
Max: 50.0 gr 3,200 59,900
    100 gr  B-TIP
(NOS)
 FED 210  2700
(Accurate)
 REM     2.945" Starting:  46.1 gr  2,991    0.257" Accurate
Max: 48.5 gr 3,182 59,600
    100 gr  TSX-BT
(Barnes)
 FED 210  4350
(Accurate)
 REM     2.885" Starting:  46.8 gr  2,898    0.257" Accurate
C 
Max: 52.0 gr 3,293 61,100
    100 gr  B-TIP
(NOS)
 FED 210  4350
(Accurate)
 REM     2.945" Starting:  46.4 gr  2,886    0.257" Accurate
C 
Max: 51.5 gr 3,279 61,600
    115 gr  PART
(NOS)
 FED 210  2700
(Accurate)
 REM     2.945" Starting:  44.7 gr  2,831    0.257" Accurate
Max: 47.0 gr 3,012 61,400
    115 gr  PART
(NOS)
 FED 210  4350
(Accurate)
 REM     2.945" Starting:  44.6 gr  2,685    0.257" Accurate
C 
Max: 49.5 gr 3,051 60,200
    120 gr  SBTSP
(Speer)
 FED 210  2700
(Accurate)
 REM     2.920" Starting:  44.7 gr  2,790    0.257" Accurate
Max: 47.0 gr 2,968 63,500
    120 gr  SBTSP
(Speer)
 FED 210  4350
(Accurate)
 REM     2.920" Starting:  44.6 gr  2,660    0.257" Accurate
C 
Max: 49.5 gr 3,023 61,700