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Load data for .450 Rigby + .458 | 300gr | Impala LWHV LS

Recommended Powder(s):

.450 Rigby + .458 | 300gr | Impala LWHV LS

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.458 | 300gr | Impala LWHV LS
Bullet Weight:
300gr | 19.4g
Bullet Diameter:
0.458" | 11.63mm
Bullet Length:
1.325" | 33.7mm
Caliber:
.450 Rigby load data
Case Length (l3):
2.902" | 73.7mm
Cartridge Length (C.O.L.):
3.694" | 93.8mm
Seated Depth:
0.533" | 13.5mm
Shank Seated Depth:
0.533" | 13.5mm
Case Capacity:
133.0 Grains of Water | 8.64 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
58015 psi | 4000 bar
LID:
LID_B3028_C768
Last updated:
2025-01-01

Load data for 150 loads in caliber .450 Rigby with .458 | 300gr | Impala LWHV LS bullet and 75 powder(s). The key underlying parameters are shown in the table above.

  • Important Notice: DO NOT go below Minimum Charge or above Maximum Charge unless there are reasons. Since xxlreloading.com has no control over the equipment and components used by the customer and the data used in connection with the website, any responsibility and liability for the results achieved is rejected. Also see our Terms of Service

    Questions regarding the load data: Please read the information in the next tab "Explanations".

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    Use the Personalized Load Calculator to customize loads to your own specific requirements. Find more details in the help section.

    Our default view only displays powders/loads that fulfill certain criteria: Max pressure of a load <=90% of Max. Standardized Pressure. Fill Rate (Min FR): >80% and <100% for rife loads,  >60% and <100% for pistol loads. Min. Propellant Combustion (Min z): >90% for rifle loads , >80% for pistol/revolver loads. Relax these criteria at your own risk to potentially get more powders shown in the load tables.

Click on the desired row in the tables below to add a specific load / powder to your Diary and manage there.

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
97%
51692
89%
**74
96%
ADI AR 2207
<<locked>>
85%
51808
89%
**82
100%
[ADI AR 2208]*
<<locked>>
97%
43801
76%
**00
93%
ADI AR 2219
<<locked>>
88%
51764
89%
**71
100%
Accurate 2015
<<locked>>
93%
52127
90%
**25
100%
[Accurate 2200]*
<<locked>>
95%
51822
89%
**18
94%
Accurate 2230
<<locked>>
91%
51953
90%
**28
97%
Accurate 2460
<<locked>>
91%
51982
90%
**51
98%
Accurate 2495 👍
<<locked>>
97%
50676
87%
**90
100%
Accurate 2520
<<locked>>
96%
51343
89%
**90
99%
Accurate 4064
<<locked>>
97%
41959
72%
**40
98%
Alliant AR-Comp 👍
<<locked>>
97%
51851
89%
**04
100%
[Alliant Reloder- TS 15.5]*
<<locked>>
97%
41394
71%
**17
94%
Alliant Reloder-10x
<<locked>>
90%
51866
89%
**35
100%
[Alliant Reloder-15]*
<<locked>>
97%
45788
79%
**85
94%
Alliant Reloder-7
<<locked>>
84%
52025
90%
**72
100%
Baschieri & Pellagri 106
<<locked>>
88%
51561
89%
**59
100%
[Baschieri & Pellagri 107]*
<<locked>>
97%
50966
88%
**67
94%
Hodgdon BL-C2
<<locked>>
96%
52127
90%
**17
97%
Hodgdon Benchmark
<<locked>>
93%
51503
89%
**02
98%
Hodgdon CFE BLK
<<locked>>
85%
52127
90%
**72
97%
[Hodgdon CFE223]*
<<locked>>
97%
44657
77%
**76
92%
Hodgdon H322 👍
<<locked>>
94%
52156
90%
**81
100%
Hodgdon H335
<<locked>>
88%
52054
90%
**77
99%
Hodgdon H4198
<<locked>>
86%
51866
89%
**62
99%
[Hodgdon VARGET]*
<<locked>>
97%
43134
74%
**87
92%
Hodgdon TrailBoss
<<locked>>
96%
32068
55%
**03
100%
IMR 3031 👍
<<locked>>
97%
44367
76%
**12
99%
[IMR 4064]*
<<locked>>
97%
42119
73%
**64
92%
IMR 4198
<<locked>>
90%
51938
90%
**95
100%
IMR 4895
<<locked>>
97%
46499
80%
**22
95%
IMR 8208 XBR
<<locked>>
95%
51895
89%
**54
97%
Lovex D073.4
<<locked>>
90%
52069
90%
**35
98%
Lovex D073.5
<<locked>>
91%
51982
90%
**51
98%
Lovex D073.6
<<locked>>
97%
49081
85%
**54
98%
Lovex S060
<<locked>>
97%
52112
90%
**05
96%
Lovex S062
<<locked>>
97%
44657
77%
**40
96%
Norma 200
<<locked>>
86%
51880
89%
**08
100%
Norma 201
<<locked>>
97%
50401
87%
**22
97%
Norma 202
<<locked>>
97%
49864
86%
**44
99%
[Norma 203B]*
<<locked>>
97%
44918
77%
**79
94%
[Ramshot Big Game]*
<<locked>>
97%
44846
77%
**82
93%
[Ramshot TAC]*
<<locked>>
95%
51866
89%
**25
92%
Ramshot Wild Boar
<<locked>>
96%
51837
89%
**87
96%
Ramshot X-Terminator
<<locked>>
92%
52185
90%
**28
96%
ReloadSwiss RS 14
<<locked>>
97%
32329
56%
**49
100%
ReloadSwiss RS 40
<<locked>>
91%
52011
90%
**54
98%
ReloadSwiss RS 52
<<locked>>
97%
43033
74%
**85
96%
Rottweil R 901 👍
<<locked>>
95%
51938
90%
**38
99%
Rottweil R 902
<<locked>>
97%
47718
82%
**72
96%
[Rottweil R 903]*
<<locked>>
97%
38087
66%
**51
93%
SNPE Vectan BA6 1/2
<<locked>>
84%
52112
90%
**33
100%
SNPE Vectan SP 10
<<locked>>
88%
51750
89%
**71
99%
[SNPE Vectan SP 11]*
<<locked>>
97%
40669
70%
**00
92%
[SNPE Vectan SP 7]*
<<locked>>
96%
51909
89%
**38
93%
SNPE Vectan SP 9
<<locked>>
97%
49385
85%
**31
95%
SNPE Vectan Tubal 3000
<<locked>>
96%
51953
90%
**79
99%
SNPE Vectan Tubal 5000
<<locked>>
97%
43149
74%
**51
99%
Shooters World Match Rifle
<<locked>>
97%
49081
85%
**54
98%
Shooters World Precision
<<locked>>
97%
44657
77%
**40
96%
Shooters World Tactical Rifle
<<locked>>
89%
51808
89%
**08
97%
Somchem S321
<<locked>>
92%
51474
89%
**71
98%
Somchem S335
<<locked>>
97%
51663
89%
**95
100%
Somchem S341
<<locked>>
97%
52083
90%
**61
96%
[Somchem S355]*
<<locked>>
97%
39653
68%
**61
93%
Vihtavuori N120
<<locked>>
87%
51866
89%
**30
100%
Vihtavuori N130
<<locked>>
93%
51996
90%
**85
100%
Vihtavuori N133
<<locked>>
97%
48689
84%
**46
100%
Vihtavuori N135
<<locked>>
97%
37652
65%
**18
99%
Vihtavuori N140
<<locked>>
97%
46514
80%
**62
99%
[Vihtavuori N150]*
<<locked>>
97%
33533
58%
**97
92%
Vihtavuori N530
<<locked>>
94%
51895
89%
**64
97%
Vihtavuori N540
<<locked>>
97%
46296
80%
**85
98%
Winchester 748
<<locked>>
94%
51808
89%
**17
98%
Winchester StaBALL Match
<<locked>>
91%
52127
90%
**94
97%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
[ADI AR 2206H]*
<<locked>>
84%
34461
59%
**20
90%
ADI AR 2207
<<locked>>
81%
46195
80%
**97
100%
[ADI AR 2208]*
<<locked>>
92%
37405
64%
**66
90%
ADI AR 2219
<<locked>>
81%
41133
71%
**84
98%
Accurate 2015
<<locked>>
81%
36100
62%
**36
99%
[Accurate 2200]*
<<locked>>
87%
40422
70%
**02
90%
[Accurate 2230]*
<<locked>>
81%
37333
64%
**56
92%
[Accurate 2460]*
<<locked>>
81%
37202
64%
**69
94%
Accurate 2495
<<locked>>
81%
30603
53%
**87
97%
[Accurate 2520]*
<<locked>>
81%
30864
53%
**70
93%
[Accurate 4064]*
<<locked>>
81%
26150
45%
**43
92%
Alliant AR-Comp
<<locked>>
81%
31676
55%
**20
99%
[Alliant Reloder- TS 15.5]*
<<locked>>
88%
31792
55%
**84
90%
Alliant Reloder-10x
<<locked>>
81%
39508
68%
**18
100%
[Alliant Reloder-15]*
<<locked>>
89%
36361
63%
**89
90%
Alliant Reloder-7
<<locked>>
81%
47819
82%
**10
100%
Baschieri & Pellagri 106
<<locked>>
81%
41582
72%
**85
99%
[Baschieri & Pellagri 107]*
<<locked>>
89%
39508
68%
**38
90%
[Hodgdon BL-C2]*
<<locked>>
81%
31343
54%
**84
90%
[Hodgdon Benchmark]*
<<locked>>
81%
36143
62%
**00
94%
Hodgdon CFE BLK
<<locked>>
81%
46253
80%
**71
96%
[Hodgdon CFE223]*
<<locked>>
94%
40973
71%
**00
90%
Hodgdon H322
<<locked>>
81%
35172
61%
**49
97%
Hodgdon H335
<<locked>>
81%
40248
69%
**67
97%
Hodgdon H4198
<<locked>>
81%
44643
77%
**38
99%
[Hodgdon VARGET]*
<<locked>>
92%
37405
64%
**66
90%
Hodgdon TrailBoss
<<locked>>
90%
29254
50%
**47
100%
IMR 3031
<<locked>>
81%
28007
48%
**11
95%
[IMR 4064]*
<<locked>>
92%
36303
63%
**43
90%
IMR 4198
<<locked>>
81%
40364
70%
**98
100%
[IMR 4895]*
<<locked>>
87%
34374
59%
**59
90%
[IMR 8208 XBR]*
<<locked>>
81%
33475
58%
**80
92%
Lovex D073.4
<<locked>>
81%
38943
67%
**95
95%
[Lovex D073.5]*
<<locked>>
81%
36927
64%
**62
94%
[Lovex D073.6]*
<<locked>>
81%
29385
51%
**28
92%
[Lovex S060]*
<<locked>>
82%
34461
59%
**44
90%
[Lovex S062]*
<<locked>>
84%
30516
53%
**15
90%
Norma 200
<<locked>>
81%
44991
78%
**00
100%
[Norma 201]*
<<locked>>
81%
31517
54%
**28
91%
[Norma 202]*
<<locked>>
81%
30850
53%
**44
94%
[Norma 203B]*
<<locked>>
88%
34301
59%
**49
90%
[Ramshot Big Game]*
<<locked>>
91%
37028
64%
**08
90%
[Ramshot TAC]*
<<locked>>
90%
44643
77%
**94
90%
[Ramshot Wild Boar]*
<<locked>>
84%
35476
61%
**52
90%
[Ramshot X-Terminator]*
<<locked>>
81%
36463
63%
**20
91%
ReloadSwiss RS 14
<<locked>>
86%
27659
48%
**47
100%
ReloadSwiss RS 40
<<locked>>
81%
37652
65%
**85
95%
[ReloadSwiss RS 52]*
<<locked>>
86%
30487
53%
**70
90%
Rottweil R 901
<<locked>>
81%
35070
60%
**03
95%
[Rottweil R 902]*
<<locked>>
82%
30618
53%
**92
90%
[Rottweil R 903]*
<<locked>>
91%
32329
56%
**10
90%
SNPE Vectan BA6 1/2
<<locked>>
81%
48080
83%
**74
100%
SNPE Vectan SP 10
<<locked>>
81%
41829
72%
**90
97%
[SNPE Vectan SP 11]*
<<locked>>
93%
36593
63%
**05
90%
[SNPE Vectan SP 7]*
<<locked>>
90%
42018
72%
**61
90%
[SNPE Vectan SP 9]*
<<locked>>
85%
34795
60%
**30
90%
SNPE Vectan Tubal 3000
<<locked>>
81%
33170
57%
**15
95%
[SNPE Vectan Tubal 5000]*
<<locked>>
81%
27035
47%
**74
93%
[Shooters World Match Rifle]*
<<locked>>
81%
29385
51%
**28
92%
[Shooters World Precision]*
<<locked>>
84%
30516
53%
**15
90%
[Shooters World Tactical Rifle]*
<<locked>>
81%
39653
68%
**82
94%
[Somchem S321]*
<<locked>>
81%
35447
61%
**49
93%
Somchem S335
<<locked>>
81%
32706
56%
**25
96%
[Somchem S341]*
<<locked>>
85%
35549
61%
**30
90%
[Somchem S355]*
<<locked>>
91%
32967
57%
**03
90%
Vihtavuori N120
<<locked>>
81%
43569
75%
**02
100%
Vihtavuori N130
<<locked>>
81%
36767
63%
**07
99%
Vihtavuori N133
<<locked>>
81%
30893
53%
**85
97%
[Vihtavuori N135]*
<<locked>>
81%
24207
42%
**51
93%
[Vihtavuori N140]*
<<locked>>
81%
28979
50%
**75
93%
[Vihtavuori N150]*
<<locked>>
92%
29312
51%
**88
90%
[Vihtavuori N530]*
<<locked>>
81%
34925
60%
**26
92%
[Vihtavuori N540]*
<<locked>>
81%
28631
49%
**79
92%
[Winchester 748]*
<<locked>>
81%
34185
59%
**56
93%
[Winchester StaBALL Match]*
<<locked>>
81%
36550
63%
**85
92%

Start Load - Barrel Length: 23.60''

Any powder missing? Then click here.

FR ... fill rate of the cartridge in percent

MaxP ... max. pressure of load in psi or bar

% ... max. pressure of load in percent of the maximum allowed pressure for this caliber 

V(0) ... muzzle velocity in feet per second (fps) or  meters per second (m/s)

z ... powder burnt in percent

[...] *... not dangerous but load has suboptimal powder burnt with possible characteristics such as extensive muzzle flash or inaccurate loads.

[...] ²... fill rate low - you might want to consider using a filler to ensure proper ignition.

[...] ᴾ... possible press load - work up slowly to this load while watching for signs of excessive pressure.

👍  ... recommended powder/load for this caliber and bullet combination based on its ballistic performance.

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