.25 - 20 Winchester - Manufacturer Loading Data

Bullet
Type

Primer

Case

Trim
Length

C.O.L.

Starting

Max

Diam.

Source

GR.: 60 gr

Bullet Type: FP
(HDY)

Primer: WIN WSR

Powder: H110
(Hodgdon)

Case: REM

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

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

Diameter: 0.257"

Source: Hodgdon

GR.: 60 gr

Bullet Type: FP
(HDY)

Primer: WIN WSR

Powder: H322
(Hodgdon)

Case: REM

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

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

Diameter: 0.257"

Source: Hodgdon
C

GR.: 60 gr

Bullet Type: FP
(HDY)

Primer: WIN WSR

Powder: H4198
(Hodgdon)

Case: REM

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

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

Diameter: 0.257"

Source: Hodgdon
C

GR.: 60 gr

Bullet Type: FP
(HDY)

Primer: WIN WSR

Powder: H4227
(Hodgdon)

Case: REM

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

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

Diameter: 0.257"

Source: Hodgdon

GR.: 71 gr

Bullet Type: LRNFP

Primer: WIN WSR

Powder: H4227
(Hodgdon)

Case: REM

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

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

Diameter: 0.258"

Source: Hodgdon

GR.: 71 gr

Bullet Type: LRNFP

Primer: WIN WSR

Powder: HS-6
(Hodgdon)

Case: REM

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

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

Diameter: 0.258"

Source: Hodgdon

GR.: 75 gr

Bullet Type: FP
(Speer)

Primer: WIN WSR

Powder: H110
(Hodgdon)

Case: REM

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

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

Diameter: 0.257"

Source: Hodgdon

GR.: 75 gr

Bullet Type: FP
(Speer)

Primer: WIN WSR

Powder: H322
(Hodgdon)

Case: REM

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

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

Diameter: 0.257"

Source: Hodgdon

GR.: 75 gr

Bullet Type: FP
(Speer)

Primer: WIN WSR

Powder: H4198
(Hodgdon)

Case: REM

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

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

Diameter: 0.257"

Source: Hodgdon

GR.: 75 gr

Bullet Type: FP
(Speer)

Primer: WIN WSR

Powder: H4227
(Hodgdon)

Case: REM

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

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

Diameter: 0.257"

Source: Hodgdon

GR.: 85 gr

Bullet Type: LRNFP

Primer: WIN WSR

Powder: H4227
(Hodgdon)

Case: REM

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

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

Diameter: 0.258"

Source: Hodgdon

GR.: 85 gr

Bullet Type: LRNFP

Primer: WIN WSR

Powder: HS-6
(Hodgdon)

Case: REM

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

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

Diameter: 0.258"

Source: Hodgdon

GR.: 86 gr

Bullet Type: SP
(REM)

Primer: WIN WSR

Powder: H110
(Hodgdon)

Case: REM

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

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

Diameter: 0.257"

Source: Hodgdon

GR.: 86 gr

Bullet Type: SP
(REM)

Primer: WIN WSR

Powder: H322
(Hodgdon)

Case: REM

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

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

Diameter: 0.257"

Source: Hodgdon

GR.: 86 gr

Bullet Type: SP
(REM)

Primer: WIN WSR

Powder: H4198
(Hodgdon)

Case: REM

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

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

Diameter: 0.257"

Source: Hodgdon

GR.: 86 gr

Bullet Type: SP
(REM)

Primer: WIN WSR

Powder: H4227
(Hodgdon)

Case: REM

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

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

Diameter: 0.257"

Source: Hodgdon