.25 - 20 Winchester - Manufacturer Loading Data

Bullet
Type
Primer
Case
Trim
Length
 
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