.257 ROBERTS ACKLEY IMPROVED - Published Manufacturer Loading Data
Recipe Type:
Bullet Weight:
Powder:
Recipe Source:
Starting
Max
Source
Trim Length: 2.223"
C.O.L.: 2.790"
Powder:
50.4 gr
53.0 gr
Vel.:
3,435
3,654
Press.:
56,200
59,100
Starting Powder: 50.4 gr
Starting Velocity: 3,435
Starting Pressure: 56,200
Max Powder: 53.0 gr
Max Velocity: 3,654
Max Pressure: 59,100
Trim Length: 2.223"
C.O.L.: 2.790"
Powder:
49.5 gr
55.0 gr
Vel.:
3,213
3,651
Press.:
53,000
58,900
Starting Powder: 49.5 gr
Starting Velocity: 3,213
Starting Pressure: 53,000
Max Powder: 55.0 gr
Max Velocity: 3,651
Max Pressure: 58,900
Trim Length: 2.223"
C.O.L.: 2.865"
Powder:
48.5 gr
51.0 gr
Vel.:
3,230
3,436
Press.:
57,500
60,500
Starting Powder: 48.5 gr
Starting Velocity: 3,230
Starting Pressure: 57,500
Max Powder: 51.0 gr
Max Velocity: 3,436
Max Pressure: 60,500
Trim Length: 2.223"
C.O.L.: 2.865"
Powder:
47.7 gr
53.0 gr
Vel.:
3,056
3,473
Press.:
55,500
61,700
Starting Powder: 47.7 gr
Starting Velocity: 3,056
Starting Pressure: 55,500
Max Powder: 53.0 gr
Max Velocity: 3,473
Max Pressure: 61,700
Trim Length: 2.223"
C.O.L.: 2.835"
Powder:
46.6 gr
49.0 gr
Vel.:
3,100
3,298
Press.:
54,600
57,400
Starting Powder: 46.6 gr
Starting Velocity: 3,100
Starting Pressure: 54,600
Max Powder: 49.0 gr
Max Velocity: 3,298
Max Pressure: 57,400
Trim Length: 2.223"
C.O.L.: 2.835"
Powder:
47.7 gr
53.0 gr
Vel.:
3,021
3,433
Press.:
53,900
59,900
Starting Powder: 47.7 gr
Starting Velocity: 3,021
Starting Pressure: 53,900
Max Powder: 53.0 gr
Max Velocity: 3,433
Max Pressure: 59,900
Trim Length: 2.223"
C.O.L.: 2.885"
Powder:
47.5 gr
50.0 gr
Vel.:
3,008
3,200
Press.:
56,900
59,900
Starting Powder: 47.5 gr
Starting Velocity: 3,008
Starting Pressure: 56,900
Max Powder: 50.0 gr
Max Velocity: 3,200
Max Pressure: 59,900
Trim Length: 2.223"
C.O.L.: 2.945"
Powder:
46.1 gr
48.5 gr
Vel.:
2,991
3,182
Press.:
56,700
59,600
Starting Powder: 46.1 gr
Starting Velocity: 2,991
Starting Pressure: 56,700
Max Powder: 48.5 gr
Max Velocity: 3,182
Max Pressure: 59,600
Trim Length: 2.223"
C.O.L.: 2.885"
Powder:
46.8 gr
52.0 gr
Vel.:
2,898
3,293
Press.:
55,000
61,100
Starting Powder: 46.8 gr
Starting Velocity: 2,898
Starting Pressure: 55,000
Max Powder: 52.0 gr
Max Velocity: 3,293
Max Pressure: 61,100
Trim Length: 2.223"
C.O.L.: 2.945"
Powder:
46.4 gr
51.5 gr
Vel.:
2,886
3,279
Press.:
55,500
61,600
Starting Powder: 46.4 gr
Starting Velocity: 2,886
Starting Pressure: 55,500
Max Powder: 51.5 gr
Max Velocity: 3,279
Max Pressure: 61,600
Trim Length: 2.223"
C.O.L.: 2.945"
Powder:
44.7 gr
47.0 gr
Vel.:
2,831
3,012
Press.:
58,400
61,400
Starting Powder: 44.7 gr
Starting Velocity: 2,831
Starting Pressure: 58,400
Max Powder: 47.0 gr
Max Velocity: 3,012
Max Pressure: 61,400
Trim Length: 2.223"
C.O.L.: 2.945"
Powder:
44.6 gr
49.5 gr
Vel.:
2,685
3,051
Press.:
54,200
60,200
Starting Powder: 44.6 gr
Starting Velocity: 2,685
Starting Pressure: 54,200
Max Powder: 49.5 gr
Max Velocity: 3,051
Max Pressure: 60,200
Trim Length: 2.223"
C.O.L.: 2.920"
Powder:
44.7 gr
47.0 gr
Vel.:
2,790
2,968
Press.:
60,400
63,500
Starting Powder: 44.7 gr
Starting Velocity: 2,790
Starting Pressure: 60,400
Max Powder: 47.0 gr
Max Velocity: 2,968
Max Pressure: 63,500
Trim Length: 2.223"
C.O.L.: 2.920"
Powder:
44.6 gr
49.5 gr
Vel.:
2,660
3,023
Press.:
55,600
61,700
Starting Powder: 44.6 gr
Starting Velocity: 2,660
Starting Pressure: 55,600
Max Powder: 49.5 gr
Max Velocity: 3,023
Max Pressure: 61,700