.550 Magnum - Published Manufacturer Loading Data

Recipe Type:
 
Bullet Weight:
 
Powder:
 
Recipe Source:
 
 
Starting
Max
Source

 
GR.:  600 gr
Bullet Type:  HAWK RN SP 

Diameter: 0.550"
Powder: 2495 (Accurate)
Primer: WIN WLRM
Case: Jamison Brass & Ammunition
Trim Length: 2.990"
C.O.L.: 3.790"
Powder:
108.0 gr
120.0 gr
Vel.:
2,210
2,455
Press.:
55,700
61,900
Starting Powder: 108.0 gr
Starting Velocity: 2,210
Starting Pressure: 55,700
Max Powder: 120.0 gr
Max Velocity: 2,455
Max Pressure: 61,900
Source: Hodgdon 

 
GR.:  600 gr
Bullet Type:  RN SP 
(Hawk, Inc.)
Diameter: 0.550"
Powder: 2495 (Accurate)
Primer: WIN WLRM
Case: Jamison Brass & Ammunition
Trim Length:  
C.O.L.: 3.790"
Powder:
108.0 gr
120.0 gr
Vel.:
2,210
2,455
Press.:
 
61,940
Starting Powder: 108.0 gr
Starting Velocity: 2,210
Starting Pressure:  
Max Powder: 120.0 gr
Max Velocity: 2,455
Max Pressure: 61,940
Source: Accurate 
C 

 
GR.:  600 gr
Bullet Type:  HAWK RN SP 

Diameter: 0.550"
Powder: 2520 (Accurate)
Primer: WIN WLRM
Case: Jamison Brass & Ammunition
Trim Length: 2.990"
C.O.L.: 3.790"
Powder:
113.4 gr
126.0 gr
Vel.:
2,271
2,523
Press.:
54,800
60,800
Starting Powder: 113.4 gr
Starting Velocity: 2,271
Starting Pressure: 54,800
Max Powder: 126.0 gr
Max Velocity: 2,523
Max Pressure: 60,800
Source: Hodgdon 

 
GR.:  600 gr
Bullet Type:  RN SP 
(Hawk, Inc.)
Diameter: 0.550"
Powder: 2520 (Accurate)
Primer: WIN WLRM
Case: Jamison Brass & Ammunition
Trim Length:  
C.O.L.: 3.790"
Powder:
113.4 gr
126.0 gr
Vel.:
2,271
2,523
Press.:
 
60,840
Starting Powder: 113.4 gr
Starting Velocity: 2,271
Starting Pressure:  
Max Powder: 126.0 gr
Max Velocity: 2,523
Max Pressure: 60,840
Source: Accurate 
C 

 
GR.:  700 gr
Bullet Type:  Lead  RNFP 
(CPB)
Diameter: 0.550"
Powder: 2015 (Accurate)
Primer: WIN WLRM
Case: Jamison Brass & Ammunition
Trim Length:  
C.O.L.: 3.735"
Powder:
86.4 gr
96.0 gr
Vel.:
1,872
2,080
Press.:
 
49,440
Starting Powder: 86.4 gr
Starting Velocity: 1,872
Starting Pressure:  
Max Powder: 96.0 gr
Max Velocity: 2,080
Max Pressure: 49,440
Source: Accurate 
C 

 
GR.:  700 gr
Bullet Type:  Lead  RNFP 
(CPB)
Diameter: 0.550"
Powder: 5744 (Accurate)
Primer: WIN WLRM
Case: Jamison Brass & Ammunition
Trim Length:  
C.O.L.: 3.735"
Powder:
54.0 gr
 
Vel.:
1,504
 
Press.:
 
24,740
Starting Powder: 54.0 gr
Starting Velocity: 1,504
Starting Pressure:  
Max Powder:  
Max Velocity:  
Max Pressure: 24,740
Source: Accurate 
C 

 
GR.:  700 gr
Bullet Type:  BAND-S 
(Barnes)
Diameter: 0.550"
Powder: 2015 (Accurate)
Primer: WIN WLRM
Case: Jamison Brass & Ammunition
Trim Length: 2.990"
C.O.L.: 3.735"
Powder:
93.6 gr
104.0 gr
Vel.:
1,989
2,210
Press.:
56,400
62,700
Starting Powder: 93.6 gr
Starting Velocity: 1,989
Starting Pressure: 56,400
Max Powder: 104.0 gr
Max Velocity: 2,210
Max Pressure: 62,700
Source: Hodgdon 

 
GR.:  700 gr
Bullet Type:  BAND-S 
(Barnes)
Diameter: 0.550"
Powder: 2015 (Accurate)
Primer: WIN WLRM
Case: Jamison Brass & Ammunition
Trim Length:  
C.O.L.: 3.735"
Powder:
93.6 gr
104.0 gr
Vel.:
1,989
2,210
Press.:
 
62,660
Starting Powder: 93.6 gr
Starting Velocity: 1,989
Starting Pressure:  
Max Powder: 104.0 gr
Max Velocity: 2,210
Max Pressure: 62,660
Source: Accurate 
C 

 
GR.:  700 gr
Bullet Type:  L RN FP 
(CPB)
Diameter: 0.550"
Powder: 2015 (Accurate)
Primer: WIN WLRM
Case: Jamison Brass & Ammunition
Trim Length: 2.990"
C.O.L.: 3.735"
Powder:
86.4 gr
96.0 gr
Vel.:
1,872
2,080
Press.:
44,500
49,400
Starting Powder: 86.4 gr
Starting Velocity: 1,872
Starting Pressure: 44,500
Max Powder: 96.0 gr
Max Velocity: 2,080
Max Pressure: 49,400
Source: Hodgdon 

 
GR.:  700 gr
Bullet Type:  HAWK RN SP 

Diameter: 0.550"
Powder: 2495 (Accurate)
Primer: WIN WLRM
Case: Jamison Brass & Ammunition
Trim Length: 2.990"
C.O.L.: 3.720"
Powder:
98.1 gr
109.0 gr
Vel.:
1,971
2,190
Press.:
58,300
64,800
Starting Powder: 98.1 gr
Starting Velocity: 1,971
Starting Pressure: 58,300
Max Powder: 109.0 gr
Max Velocity: 2,190
Max Pressure: 64,800
Source: Hodgdon 

 
GR.:  700 gr
Bullet Type:  GSCB FN 

Diameter: 0.550"
Powder: 2495 (Accurate)
Primer: WIN WLRM
Case: Jamison Brass & Ammunition
Trim Length: 2.990"
C.O.L.: 3.790"
Powder:
102.6 gr
114.0 gr
Vel.:
2,041
2,268
Press.:
54,400
60,500
Starting Powder: 102.6 gr
Starting Velocity: 2,041
Starting Pressure: 54,400
Max Powder: 114.0 gr
Max Velocity: 2,268
Max Pressure: 60,500
Source: Hodgdon 

 
GR.:  700 gr
Bullet Type:  AK SPHJ 

Diameter: 0.550"
Powder: 2495 (Accurate)
Primer: WIN WLRM
Case: Jamison Brass & Ammunition
Trim Length: 2.990"
C.O.L.: 3.780"
Powder:
107.1 gr
119.0 gr
Vel.:
2,061
2,290
Press.:
56,100
62,300
Starting Powder: 107.1 gr
Starting Velocity: 2,061
Starting Pressure: 56,100
Max Powder: 119.0 gr
Max Velocity: 2,290
Max Pressure: 62,300
Source: Hodgdon 

 
GR.:  700 gr
Bullet Type:  RN SP 
(Hawk, Inc.)
Diameter: 0.550"
Powder: 2495 (Accurate)
Primer: WIN WLRM
Case: Jamison Brass & Ammunition
Trim Length:  
C.O.L.: 3.720"
Powder:
98.1 gr
109.0 gr
Vel.:
1,971
2,190
Press.:
 
64,810
Starting Powder: 98.1 gr
Starting Velocity: 1,971
Starting Pressure:  
Max Powder: 109.0 gr
Max Velocity: 2,190
Max Pressure: 64,810
Source: Accurate 
C 

 
GR.:  700 gr
Bullet Type:  SPHJ 
(Alaska Bullet Company)
Diameter: 0.550"
Powder: 2495 (Accurate)
Primer: WIN WLRM
Case: Jamison Brass & Ammunition
Trim Length:  
C.O.L.: 3.780"
Powder:
107.1 gr
119.0 gr
Vel.:
2,061
2,290
Press.:
 
62,310
Starting Powder: 107.1 gr
Starting Velocity: 2,061
Starting Pressure:  
Max Powder: 119.0 gr
Max Velocity: 2,290
Max Pressure: 62,310
Source: Accurate 
C 

 
GR.:  700 gr
Bullet Type:  FN SLD 
(GS Custom Bullets)
Diameter: 0.550"
Powder: 2495 (Accurate)
Primer: WIN WLRM
Case: Jamison Brass & Ammunition
Trim Length:  
C.O.L.: 3.790"
Powder:
102.6 gr
114.0 gr
Vel.:
2,041
2,268
Press.:
 
60,480
Starting Powder: 102.6 gr
Starting Velocity: 2,041
Starting Pressure:  
Max Powder: 114.0 gr
Max Velocity: 2,268
Max Pressure: 60,480
Source: Accurate 
C 

 
GR.:  700 gr
Bullet Type:  HAWK RN SP 

Diameter: 0.550"
Powder: 2520 (Accurate)
Primer: WIN WLRM
Case: Jamison Brass & Ammunition
Trim Length: 2.990"
C.O.L.: 3.715"
Powder:
101.7 gr
113.0 gr
Vel.:
2,005
2,228
Press.:
55,300
61,400
Starting Powder: 101.7 gr
Starting Velocity: 2,005
Starting Pressure: 55,300
Max Powder: 113.0 gr
Max Velocity: 2,228
Max Pressure: 61,400
Source: Hodgdon 

 
GR.:  700 gr
Bullet Type:  RN SP 
(Hawk, Inc.)
Diameter: 0.550"
Powder: 2520 (Accurate)
Primer: WIN WLRM
Case: Jamison Brass & Ammunition
Trim Length:  
C.O.L.: 3.715"
Powder:
101.7 gr
113.0 gr
Vel.:
2,005
2,228
Press.:
 
61,410
Starting Powder: 101.7 gr
Starting Velocity: 2,005
Starting Pressure:  
Max Powder: 113.0 gr
Max Velocity: 2,228
Max Pressure: 61,410
Source: Accurate 
C 

 
GR.:  700 gr
Bullet Type:  L RN FP 
(CPB)
Diameter: 0.550"
Powder: 5744 (Accurate)
Primer: WIN WLRM
Case: Jamison Brass & Ammunition
Trim Length: 2.990"
C.O.L.: 3.735"
Powder:
 
54.0 gr
Vel.:
 
1,504
Press.:
 
24,700
Starting Powder:  
Starting Velocity:  
Starting Pressure:  
Max Powder: 54.0 gr
Max Velocity: 1,504
Max Pressure: 24,700
Source: Hodgdon 

 
GR.:  700 gr
Bullet Type:  HAWK RN SP 

Diameter: 0.550"
Powder: TAC (Ramshot)
Primer: WIN WLRM
Case: Jamison Brass & Ammunition
Trim Length: 2.990"
C.O.L.: 3.715"
Powder:
104.4 gr
116.0 gr
Vel.:
2,030
2,256
Press.:
55,200
61,400
Starting Powder: 104.4 gr
Starting Velocity: 2,030
Starting Pressure: 55,200
Max Powder: 116.0 gr
Max Velocity: 2,256
Max Pressure: 61,400
Source: Hodgdon 

 
GR.:  700 gr
Bullet Type:  AK SPHJ 

Diameter: 0.550"
Powder: TAC (Ramshot)
Primer: WIN WLRM
Case: Jamison Brass & Ammunition
Trim Length: 2.990"
C.O.L.: 3.780"
Powder:
107.1 gr
119.0 gr
Vel.:
2,051
2,279
Press.:
55,500
61,600
Starting Powder: 107.1 gr
Starting Velocity: 2,051
Starting Pressure: 55,500
Max Powder: 119.0 gr
Max Velocity: 2,279
Max Pressure: 61,600
Source: Hodgdon 

 
GR.:  700 gr
Bullet Type:  BAND-S 
(Barnes)
Diameter: 0.550"
Powder: TAC (Ramshot)
Primer: WIN WLRM
Case: Jamison Brass & Ammunition
Trim Length:  
C.O.L.: 3.735"
Powder:
105.3 gr
117.0 gr
Vel.:
2,083
2,314
Press.:
 
59,650
Starting Powder: 105.3 gr
Starting Velocity: 2,083
Starting Pressure:  
Max Powder: 117.0 gr
Max Velocity: 2,314
Max Pressure: 59,650
Source: Accurate 
C 

 
GR.:  700 gr
Bullet Type:  BAND-S 
(Barnes)
Diameter: 0.550"
Powder: TAC (Ramshot)
Primer: WIN WLRM
Case: Jamison Brass & Ammunition
Trim Length: 2.990"
C.O.L.: 3.735"
Powder:
105.3 gr
117.0 gr
Vel.:
2,083
2,314
Press.:
53,700
59,700
Starting Powder: 105.3 gr
Starting Velocity: 2,083
Starting Pressure: 53,700
Max Powder: 117.0 gr
Max Velocity: 2,314
Max Pressure: 59,700
Source: Hodgdon 

 
GR.:  700 gr
Bullet Type:  RN SP 
(Hawk, Inc.)
Diameter: 0.550"
Powder: TAC (Ramshot)
Primer: WIN WLRM
Case: Jamison Brass & Ammunition
Trim Length:  
C.O.L.: 3.715"
Powder:
104.4 gr
116.0 gr
Vel.:
2,030
2,256
Press.:
 
61,370
Starting Powder: 104.4 gr
Starting Velocity: 2,030
Starting Pressure:  
Max Powder: 116.0 gr
Max Velocity: 2,256
Max Pressure: 61,370
Source: Accurate 
C 

 
GR.:  700 gr
Bullet Type:  SPHJ 
(Alaska Bullet Company)
Diameter: 0.550"
Powder: TAC (Ramshot)
Primer: WIN WLRM
Case: Jamison Brass & Ammunition
Trim Length:  
C.O.L.: 3.780"
Powder:
107.1 gr
119.0 gr
Vel.:
2,051
2,279
Press.:
 
61,620
Starting Powder: 107.1 gr
Starting Velocity: 2,051
Starting Pressure:  
Max Powder: 119.0 gr
Max Velocity: 2,279
Max Pressure: 61,620
Source: Accurate 
C 

 
GR.:  700 gr
Bullet Type:  GSCB FN 

Diameter: 0.550"
Powder: X-Terminator (Ramshot)
Primer: WIN WLRM
Case: Jamison Brass & Ammunition
Trim Length: 2.990"
C.O.L.: 3.790"
Powder:
101.7 gr
113.0 gr
Vel.:
2,091
2,323
Press.:
54,800
60,900
Starting Powder: 101.7 gr
Starting Velocity: 2,091
Starting Pressure: 54,800
Max Powder: 113.0 gr
Max Velocity: 2,323
Max Pressure: 60,900
Source: Hodgdon 

 
GR.:  700 gr
Bullet Type:  BAND-S 
(Barnes)
Diameter: 0.550"
Powder: X-Terminator (Ramshot)
Primer: WIN WLRM
Case: Jamison Brass & Ammunition
Trim Length:  
C.O.L.: 3.735"
Powder:
97.2 gr
108.0 gr
Vel.:
2,060
2,289
Press.:
 
62,320
Starting Powder: 97.2 gr
Starting Velocity: 2,060
Starting Pressure:  
Max Powder: 108.0 gr
Max Velocity: 2,289
Max Pressure: 62,320
Source: Accurate 
C 

 
GR.:  700 gr
Bullet Type:  BAND-S 
(Barnes)
Diameter: 0.550"
Powder: X-Terminator (Ramshot)
Primer: WIN WLRM
Case: Jamison Brass & Ammunition
Trim Length: 2.990"
C.O.L.: 3.735"
Powder:
97.2 gr
108.0 gr
Vel.:
2,060
2,289
Press.:
56,100
62,300
Starting Powder: 97.2 gr
Starting Velocity: 2,060
Starting Pressure: 56,100
Max Powder: 108.0 gr
Max Velocity: 2,289
Max Pressure: 62,300
Source: Hodgdon 

 
GR.:  700 gr
Bullet Type:  FN 
(GS Custom Bullets)
Diameter: 0.550"
Powder: X-Terminator (Ramshot)
Primer: WIN WLRM
Case: Jamison Brass & Ammunition
Trim Length:  
C.O.L.: 3.790"
Powder:
101.7 gr
113.0 gr
Vel.:
2,091
2,323
Press.:
 
60,900
Starting Powder: 101.7 gr
Starting Velocity: 2,091
Starting Pressure:  
Max Powder: 113.0 gr
Max Velocity: 2,323
Max Pressure: 60,900
Source: Accurate 
C 

 
GR.:  800 gr
Bullet Type:  HAWK RN SP 

Diameter: 0.550"
Powder: 4064 (Accurate)
Primer: WIN WLRM
Case: Jamison Brass & Ammunition
Trim Length: 2.990"
C.O.L.: 3.835"
Powder:
101.7 gr
113.0 gr
Vel.:
1,793
1,992
Press.:
55,000
61,200
Starting Powder: 101.7 gr
Starting Velocity: 1,793
Starting Pressure: 55,000
Max Powder: 113.0 gr
Max Velocity: 1,992
Max Pressure: 61,200
Source: Hodgdon 

 
GR.:  800 gr
Bullet Type:  RN SP 
(Hawk, Inc.)
Diameter: 0.550"
Powder: 4064 (Accurate)
Primer: WIN WLRM
Case: Jamison Brass & Ammunition
Trim Length:  
C.O.L.: 3.835"
Powder:
101.7 gr
113.0 gr
Vel.:
1,793
1,992
Press.:
 
61,150
Starting Powder: 101.7 gr
Starting Velocity: 1,793
Starting Pressure:  
Max Powder: 113.0 gr
Max Velocity: 1,992
Max Pressure: 61,150
Source: Accurate 
C 

 
GR.:  800 gr
Bullet Type:  HAWK RN SP 

Diameter: 0.550"
Powder: Big Game (Ramshot)
Primer: WIN WLRM
Case: Jamison Brass & Ammunition
Trim Length: 2.990"
C.O.L.: 3.835"
Powder:
104.4 gr
116.0 gr
Vel.:
1,863
2,070
Press.:
55,000
61,200
Starting Powder: 104.4 gr
Starting Velocity: 1,863
Starting Pressure: 55,000
Max Powder: 116.0 gr
Max Velocity: 2,070
Max Pressure: 61,200
Source: Hodgdon 

 
GR.:  800 gr
Bullet Type:  RN SP 
(Hawk, Inc.)
Diameter: 0.550"
Powder: Big Game (Ramshot)
Primer: WIN WLRM
Case: Jamison Brass & Ammunition
Trim Length:  
C.O.L.: 3.835"
Powder:
104.4 gr
116.0 gr
Vel.:
1,863
2,070
Press.:
 
61,150
Starting Powder: 104.4 gr
Starting Velocity: 1,863
Starting Pressure:  
Max Powder: 116.0 gr
Max Velocity: 2,070
Max Pressure: 61,150
Source: Accurate 
C