.40 - 65 Winchester - Manufacturer Loading Data

Bullet
Type
Primer
Case
Trim
Length
 
Starting
Max
Diam.
Source

 
GR.:  400 gr
Bullet Type:  LRNFP 
Primer: WIN WLR
Powder: Benchmark 
(Hodgdon)
Case: WIN
Trim Length: 2.095"
C.O.L.: 2.780"
Powder:
29.0 gr
32.5 gr
Vel.:
1,321
1,491
Press.:
18,800
25,000
Starting Powder: 29.0 gr
Starting Velocity: 1,321
Starting Pressure: 18,800
Max Powder: 32.5 gr
Max Velocity: 1,491
Max Pressure: 25,000
Diameter: 0.409"
Source: Hodgdon 

 
GR.:  400 gr
Bullet Type:  LRNFP 
Primer: WIN WLR
Powder: H322 
(Hodgdon)
Case: WIN
Trim Length: 2.095"
C.O.L.: 2.780"
Powder:
30.5 gr
33.0 gr
Vel.:
1,398
1,520
Press.:
19,200
23,900
Starting Powder: 30.5 gr
Starting Velocity: 1,398
Starting Pressure: 19,200
Max Powder: 33.0 gr
Max Velocity: 1,520
Max Pressure: 23,900
Diameter: 0.409"
Source: Hodgdon 

 
GR.:  400 gr
Bullet Type:  LRNFP 
Primer: WIN WLR
Powder: H4198 
(Hodgdon)
Case: WIN
Trim Length: 2.095"
C.O.L.: 2.780"
Powder:
28.0 gr
31.0 gr
Vel.:
1,441
1,572
Press.:
21,200
24,700
Starting Powder: 28.0 gr
Starting Velocity: 1,441
Starting Pressure: 21,200
Max Powder: 31.0 gr
Max Velocity: 1,572
Max Pressure: 24,700
Diameter: 0.409"
Source: Hodgdon 

 
GR.:  400 gr
Bullet Type:  LRNFP 
Primer: WIN WLR
Powder: H4227 
(Hodgdon)
Case: WIN
Trim Length: 2.095"
C.O.L.: 2.780"
Powder:
20.0 gr
23.0 gr
Vel.:
1,277
1,410
Press.:
18,900
24,900
Starting Powder: 20.0 gr
Starting Velocity: 1,277
Starting Pressure: 18,900
Max Powder: 23.0 gr
Max Velocity: 1,410
Max Pressure: 24,900
Diameter: 0.409"
Source: Hodgdon 

 
GR.:  400 gr
Bullet Type:  LRNFP 
Primer: WIN WLR
Powder: H4895 
(Hodgdon)
Case: WIN
Trim Length: 2.095"
C.O.L.: 2.780"
Powder:
33.0 gr
36.0 gr
Vel.:
1,423
1,554
Press.:
19,700
24,200
Starting Powder: 33.0 gr
Starting Velocity: 1,423
Starting Pressure: 19,700
Max Powder: 36.0 gr
Max Velocity: 1,554
Max Pressure: 24,200
Diameter: 0.409"
Source: Hodgdon 

 
GR.:  400 gr
Bullet Type:  LRNFP 
Primer: WIN WLR
Powder: Trail Boss 
(Hodgdon)
Case: WIN
Trim Length: 2.095"
C.O.L.: 2.780"
Powder:
11.0 gr
12.0 gr
Vel.:
889
915
Press.:
20,000
21,200
Starting Powder: 11.0 gr
Starting Velocity: 889
Starting Pressure: 20,000
Max Powder: 12.0 gr
Max Velocity: 915
Max Pressure: 21,200
Diameter: 0.409"
Source: Hodgdon 

 
GR.:  400 gr
Bullet Type:  LRNFP 
Primer: WIN WLR
Powder: Varget 
(Hodgdon)
Case: WIN
Trim Length: 2.095"
C.O.L.: 2.780"
Powder:
35.0 gr
38.0 gr
Vel.:
1,438
1,558
Press.:
20,100
24,800
Starting Powder: 35.0 gr
Starting Velocity: 1,438
Starting Pressure: 20,100
Max Powder: 38.0 gr
Max Velocity: 1,558
Max Pressure: 24,800
Diameter: 0.409"
Source: Hodgdon 

 
GR.:  400 gr
Bullet Type:  LRNFP 
Primer: WIN WLR
Powder: IMR 8208 XBR 
(Improved Military Rifle)
Case: WIN
Trim Length: 2.095"
C.O.L.: 2.780"
Powder:
30.8 gr
32.4 gr
Vel.:
1,409
1,462
Press.:
24,300
25,100
Starting Powder: 30.8 gr
Starting Velocity: 1,409
Starting Pressure: 24,300
Max Powder: 32.4 gr
Max Velocity: 1,462
Max Pressure: 25,100
Diameter: 0.409"
Source: Hodgdon 

 
GR.:  400 gr
Bullet Type:  LRNFP 
Primer: WIN WLR
Powder: IMR 4198 
(Improved Military Rifle)
Case: WIN
Trim Length: 2.095"
C.O.L.: 2.780"
Powder:
25.2 gr
26.5 gr
Vel.:
1,373
1,446
Press.:
22,000
25,200
Starting Powder: 25.2 gr
Starting Velocity: 1,373
Starting Pressure: 22,000
Max Powder: 26.5 gr
Max Velocity: 1,446
Max Pressure: 25,200
Diameter: 0.409"
Source: Hodgdon