.25 - 20 Winchester - Published Manufacturer Loading Data
Shellholders:
Hornady #7
Lee #6
Lyman #10
RCBS #1
Recipe Type:
Bullet Weight:
Powder:
Recipe Source:
Starting
Max
Source
Trim Length: 1.320"
C.O.L.: 1.600"
Powder:
8.5 gr
9.3 gr
Vel.:
1,831
1,931
Press.:
23,500
26,600 CUP
Starting Powder: 8.5 gr
Starting Velocity: 1,831
Starting Pressure: 23,500
Max Powder: 9.3 gr
Max Velocity: 1,931
Max Pressure: 26,600 CUP
Trim Length: 1.320"
C.O.L.: 1.600"
Powder:
14.0 gr
15.0 gr
Vel.:
1,799
1,900
Press.:
23,600
25,700 CUP
Starting Powder: 14.0 gr
Starting Velocity: 1,799
Starting Pressure: 23,600
Max Powder: 15.0 gr
Max Velocity: 1,900
Max Pressure: 25,700 CUP
Trim Length: 1.320"
C.O.L.: 1.600"
Powder:
12.0 gr
14.2 gr
Vel.:
1,814
2,101
Press.:
20,200
25,800 CUP
Starting Powder: 12.0 gr
Starting Velocity: 1,814
Starting Pressure: 20,200
Max Powder: 14.2 gr
Max Velocity: 2,101
Max Pressure: 25,800 CUP
Trim Length: 1.320"
C.O.L.: 1.600"
Powder:
9.6 gr
10.2 gr
Vel.:
1,854
1,962
Press.:
24,200
26,700 CUP
Starting Powder: 9.6 gr
Starting Velocity: 1,854
Starting Pressure: 24,200
Max Powder: 10.2 gr
Max Velocity: 1,962
Max Pressure: 26,700 CUP
Trim Length: 1.320"
C.O.L.: 1.545"
Powder:
6.0 gr
7.0 gr
Vel.:
1,146
1,346
Press.:
13,700
18,200 CUP
Starting Powder: 6.0 gr
Starting Velocity: 1,146
Starting Pressure: 13,700
Max Powder: 7.0 gr
Max Velocity: 1,346
Max Pressure: 18,200 CUP
Trim Length: 1.320"
C.O.L.: 1.545"
Powder:
4.3 gr
5.3 gr
Vel.:
1,206
1,428
Press.:
18,700
21,900 CUP
Starting Powder: 4.3 gr
Starting Velocity: 1,206
Starting Pressure: 18,700
Max Powder: 5.3 gr
Max Velocity: 1,428
Max Pressure: 21,900 CUP
Trim Length: 1.320"
C.O.L.: 1.545"
Powder:
11.5 gr
12.5 gr
Vel.:
1,782
2,018
Press.:
Starting Powder: 11.5 gr
Starting Velocity: 1,782
Starting Pressure:
Max Powder: 12.5 gr
Max Velocity: 2,018
Max Pressure:
Trim Length: 1.320"
C.O.L.: 1.545"
Powder:
13.5 gr
14.5 gr
Vel.:
1,771
1,897
Press.:
Starting Powder: 13.5 gr
Starting Velocity: 1,771
Starting Pressure:
Max Powder: 14.5 gr
Max Velocity: 1,897
Max Pressure:
Trim Length: 1.320"
C.O.L.: 1.545"
Powder:
6.8 gr
7.8 gr
Vel.:
1,488
1,693
Press.:
Starting Powder: 6.8 gr
Starting Velocity: 1,488
Starting Pressure:
Max Powder: 7.8 gr
Max Velocity: 1,693
Max Pressure:
Trim Length: 1.320"
C.O.L.: 1.545"
Powder:
7.0 gr
8.0 gr
Vel.:
1,547
1,686
Press.:
Starting Powder: 7.0 gr
Starting Velocity: 1,547
Starting Pressure:
Max Powder: 8.0 gr
Max Velocity: 1,686
Max Pressure:
Trim Length: 1.320"
C.O.L.: 1.545"
Powder:
7.4 gr
8.4 gr
Vel.:
1,547
1,746
Press.:
Starting Powder: 7.4 gr
Starting Velocity: 1,547
Starting Pressure:
Max Powder: 8.4 gr
Max Velocity: 1,746
Max Pressure:
Trim Length: 1.320"
C.O.L.: 1.575"
Powder:
7.4 gr
8.4 gr
Vel.:
1,513
1,691
Press.:
23,700
28,000 CUP
Starting Powder: 7.4 gr
Starting Velocity: 1,513
Starting Pressure: 23,700
Max Powder: 8.4 gr
Max Velocity: 1,691
Max Pressure: 28,000 CUP
Trim Length: 1.320"
C.O.L.: 1.575"
Powder:
12.0 gr
13.5 gr
Vel.:
1,523
1,702
Press.:
22,300
26,700 CUP
Starting Powder: 12.0 gr
Starting Velocity: 1,523
Starting Pressure: 22,300
Max Powder: 13.5 gr
Max Velocity: 1,702
Max Pressure: 26,700 CUP
Trim Length: 1.320"
C.O.L.: 1.575"
Powder:
10.5 gr
12.8 gr
Vel.:
1,530
1,877
Press.:
18,100
27,300 CUP
Starting Powder: 10.5 gr
Starting Velocity: 1,530
Starting Pressure: 18,100
Max Powder: 12.8 gr
Max Velocity: 1,877
Max Pressure: 27,300 CUP
Trim Length: 1.320"
C.O.L.: 1.575"
Powder:
8.3 gr
9.3 gr
Vel.:
1,521
1,741
Press.:
21,000
27,900 CUP
Starting Powder: 8.3 gr
Starting Velocity: 1,521
Starting Pressure: 21,000
Max Powder: 9.3 gr
Max Velocity: 1,741
Max Pressure: 27,900 CUP
Trim Length: 1.320"
C.O.L.: 1.545"
Powder:
11.6 gr
12.6 gr
Vel.:
1,747
1,908
Press.:
Starting Powder: 11.6 gr
Starting Velocity: 1,747
Starting Pressure:
Max Powder: 12.6 gr
Max Velocity: 1,908
Max Pressure:
Trim Length: 1.320"
C.O.L.: 1.545"
Powder:
9.0 gr
10.0 gr
Vel.:
1,547
1,702
Press.:
Starting Powder: 9.0 gr
Starting Velocity: 1,547
Starting Pressure:
Max Powder: 10.0 gr
Max Velocity: 1,702
Max Pressure:
Trim Length: 1.320"
C.O.L.: 1.545"
Powder:
7.8 gr
8.8 gr
Vel.:
1,658
1,843
Press.:
Starting Powder: 7.8 gr
Starting Velocity: 1,658
Starting Pressure:
Max Powder: 8.8 gr
Max Velocity: 1,843
Max Pressure:
Trim Length: 1.320"
C.O.L.: 1.545"
Powder:
7.6 gr
8.6 gr
Vel.:
1,643
1,794
Press.:
Starting Powder: 7.6 gr
Starting Velocity: 1,643
Starting Pressure:
Max Powder: 8.6 gr
Max Velocity: 1,794
Max Pressure:
Trim Length: 1.320"
C.O.L.: 1.600"
Powder:
6.0 gr
7.0 gr
Vel.:
1,129
1,317
Press.:
18,500
20,500 CUP
Starting Powder: 6.0 gr
Starting Velocity: 1,129
Starting Pressure: 18,500
Max Powder: 7.0 gr
Max Velocity: 1,317
Max Pressure: 20,500 CUP
Trim Length: 1.320"
C.O.L.: 1.600"
Powder:
4.5 gr
5.3 gr
Vel.:
1,261
1,391
Press.:
19,600
25,300 CUP
Starting Powder: 4.5 gr
Starting Velocity: 1,261
Starting Pressure: 19,600
Max Powder: 5.3 gr
Max Velocity: 1,391
Max Pressure: 25,300 CUP
Trim Length: 1.320"
C.O.L.: 1.600"
Powder:
7.0 gr
7.5 gr
Vel.:
1,422
1,502
Press.:
23,900
27,100 CUP
Starting Powder: 7.0 gr
Starting Velocity: 1,422
Starting Pressure: 23,900
Max Powder: 7.5 gr
Max Velocity: 1,502
Max Pressure: 27,100 CUP
Trim Length: 1.320"
C.O.L.: 1.600"
Powder:
11.3 gr
12.0 gr
Vel.:
1,358
1,517
Press.:
22,100
26,300 CUP
Starting Powder: 11.3 gr
Starting Velocity: 1,358
Starting Pressure: 22,100
Max Powder: 12.0 gr
Max Velocity: 1,517
Max Pressure: 26,300 CUP
Trim Length: 1.320"
C.O.L.: 1.600"
Powder:
10.5 gr
11.5 gr
Vel.:
1,576
1,673
Press.:
24,500
26,500 CUP
Starting Powder: 10.5 gr
Starting Velocity: 1,576
Starting Pressure: 24,500
Max Powder: 11.5 gr
Max Velocity: 1,673
Max Pressure: 26,500 CUP
Trim Length: 1.320"
C.O.L.: 1.600"
Powder:
8.0 gr
8.6 gr
Vel.:
1,444
1,545
Press.:
23,700
27,600 CUP
Starting Powder: 8.0 gr
Starting Velocity: 1,444
Starting Pressure: 23,700
Max Powder: 8.6 gr
Max Velocity: 1,545
Max Pressure: 27,600 CUP