.38 - 55 Winchester - Manufacturer Loading Data

Bullet
Type
Primer
Case
Trim
Length
C.O.L.
 
Starting
Max
Diam.
Source
 
GR.:  250 gr
Bullet Type:  MAN CAST 
(Lyman)
Primer: CCI 200
Powder: H322 
(Hodgdon)
Case: WIN
Trim Length: 2.075"
C.O.L.: 2.500"
Powder:
24.0 gr
27.0 gr
Vel.:
1,534
1,692
Press.:
22,500
27,600
Starting Powder: 24.0 gr
Starting Velocity: 1,534
Starting Pressure: 22,500
Max Powder: 27.0 gr
Max Velocity: 1,692
Max Pressure: 27,600
Diameter: 0.376"
Source: Hodgdon 
 
GR.:  250 gr
Bullet Type:  MAN CAST 
(Lyman)
Primer: CCI 200
Powder: H4198 
(Hodgdon)
Case: WIN
Trim Length: 2.075"
C.O.L.: 2.500"
Powder:
18.5 gr
24.0 gr
Vel.:
1,408
1,740
Press.:
17,100
26,200
Starting Powder: 18.5 gr
Starting Velocity: 1,408
Starting Pressure: 17,100
Max Powder: 24.0 gr
Max Velocity: 1,740
Max Pressure: 26,200
Diameter: 0.376"
Source: Hodgdon 
 
GR.:  250 gr
Bullet Type:  MAN CAST 
(Lyman)
Primer: CCI 200
Powder: H4895 
(Hodgdon)
Case: WIN
Trim Length: 2.075"
C.O.L.: 2.500"
Powder:
21.0 gr
26.0 gr
Vel.:
1,197
1,600
Press.:
18,200
26,500
Starting Powder: 21.0 gr
Starting Velocity: 1,197
Starting Pressure: 18,200
Max Powder: 26.0 gr
Max Velocity: 1,600
Max Pressure: 26,500
Diameter: 0.376"
Source: Hodgdon 
 
GR.:  250 gr
Bullet Type:  MAN CAST 
(Lyman)
Primer: CCI 200
Powder: Trail Boss 
(Hodgdon)
Case: WIN
Trim Length: 2.075"
C.O.L.: 2.500"
Powder:
6.0 gr
7.0 gr
Vel.:
842
911
Press.:
20,300
25,600
Starting Powder: 6.0 gr
Starting Velocity: 842
Starting Pressure: 20,300
Max Powder: 7.0 gr
Max Velocity: 911
Max Pressure: 25,600
Diameter: 0.376"
Source: Hodgdon 
 
GR.:  255 gr
Bullet Type:  JFP 
(Barnes)
Primer: CCI 200
Powder: H322 
(Hodgdon)
Case: WIN
Trim Length: 2.075"
C.O.L.: 2.620"
Powder:
27.0 gr
33.0 gr
Vel.:
1,603
1,830
Press.:
25,500
28,200
Starting Powder: 27.0 gr
Starting Velocity: 1,603
Starting Pressure: 25,500
Max Powder: 33.0 gr
Max Velocity: 1,830
Max Pressure: 28,200
Diameter: 0.375"
Source: Hodgdon 
 
GR.:  255 gr
Bullet Type:  JFP 
(Barnes)
Primer: CCI 200
Powder: H4198 
(Hodgdon)
Case: WIN
Trim Length: 2.075"
C.O.L.: 2.620"
Powder:
24.0 gr
28.0 gr
Vel.:
1,554
1,788
Press.:
21,400
26,700
Starting Powder: 24.0 gr
Starting Velocity: 1,554
Starting Pressure: 21,400
Max Powder: 28.0 gr
Max Velocity: 1,788
Max Pressure: 26,700
Diameter: 0.375"
Source: Hodgdon 
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