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Load data for .450 Rigby + .458 | 400gr | Woodleigh HS

Recommended Powder(s): Bofors RP3, IMR 4895, Ramshot Big Game, ReloadSwiss RS 52, ReloadSwiss RS 60

.450 Rigby + .458 | 400gr | Woodleigh HS

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.458 | 400gr | Woodleigh HS
Manufacturer SKU:
H45/70
Bullet Weight:
400gr | 25.9g
Bullet Diameter:
0.458" | 11.63mm
Bullet Length:
<<locked>>
Caliber:
.450 Rigby load data
Case Length (l3):
2.902" | 73.7mm
Cartridge Length (C.O.L.):
<<locked>>
Seated Depth:
<<locked>>
Shank Seated Depth:
<<locked>>
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_B12058_C768
Last updated:
2026-03-24

Load data for 198 loads in caliber .450 Rigby with .458 | 400gr | Woodleigh HS bullet and 99 powders such as Bofors RP3, IMR 4895, Ramshot Big Game, ReloadSwiss RS 52, ReloadSwiss RS 60. 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".

  • No data yet

  • We recommend you limit powder range to relevant brands to speed up re-calculation of results

    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.

    .

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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>>
90%
51866
89%
**52
99%
ADI AR 2208
<<locked>>
96%
52025
90%
**39
99%
ADI Benchmark 8208
<<locked>>
89%
52141
90%
**23
100%
Accurate 2015
<<locked>>
86%
52025
90%
**67
100%
Accurate 2200
<<locked>>
88%
51851
89%
**13
98%
Accurate 2230
<<locked>>
84%
52112
90%
**13
100%
Accurate 2460
<<locked>>
85%
52199
90%
**20
100%
Accurate 2495
<<locked>>
90%
51938
90%
**36
100%
Accurate 2520
<<locked>>
89%
51909
89%
**52
100%
[Accurate 2700]*
<<locked>>
96%
51909
89%
**74
94%
Accurate 4064
<<locked>>
95%
51663
89%
**49
100%
Accurate 4350
<<locked>>
97%
40016
69%
**28
96%
Alliant AR-Comp
<<locked>>
89%
51895
89%
**20
100%
Alliant Power Pro 2000-MR
<<locked>>
93%
52214
90%
**61
99%
Alliant Reloder- TS 15.5
<<locked>>
96%
51909
89%
**72
100%
Alliant Reloder-10x
<<locked>>
84%
52185
90%
**74
100%
Alliant Reloder-15
<<locked>>
94%
52025
90%
**75
99%
Alliant Reloder-16
<<locked>>
97%
41002
71%
**44
96%
Alliant Reloder-17
<<locked>>
97%
46862
81%
**79
99%
[Alliant Reloder-23]*
<<locked>>
97%
29022
50%
**88
92%
Baschieri & Pellagri 107
<<locked>>
91%
51909
89%
**69
98%
Bofors RP3 👍
<<locked>>
96%
51793
89%
**79
100%
[Bofors RP7]*
<<locked>>
97%
47892
83%
**54
94%
Hodgdon BL-C2
<<locked>>
89%
52127
90%
**85
100%
Hodgdon Benchmark
<<locked>>
87%
52156
90%
**87
100%
Hodgdon CFE223
<<locked>>
94%
52098
90%
**12
98%
Hodgdon H322
<<locked>>
87%
51909
89%
**23
100%
Hodgdon H380
<<locked>>
95%
52170
90%
**69
98%
Hodgdon H414
<<locked>>
97%
48240
83%
**52
95%
Hodgdon H4895
<<locked>>
90%
51938
90%
**56
99%
Hodgdon Hybrid 100V
<<locked>>
97%
37231
64%
**36
97%
Hodgdon LVR
<<locked>>
97%
44672
77%
**90
96%
[Hodgdon Superperformance]*
<<locked>>
97%
44628
77%
**93
92%
Hodgdon VARGET
<<locked>>
96%
51866
89%
**36
99%
Hodgdon TrailBoss
<<locked>>
97%
33243
57%
**09
100%
IMR 3031
<<locked>>
94%
52112
90%
**66
100%
IMR 4064
<<locked>>
97%
51967
90%
**30
99%
IMR 4166 Enduron
<<locked>>
96%
51764
89%
**90
95%
IMR 4198
<<locked>>
83%
52069
90%
**31
100%
[IMR 4350]*
<<locked>>
97%
42061
73%
**79
92%
IMR 4451 Enduron
<<locked>>
97%
50227
87%
**00
95%
[IMR 4831]*
<<locked>>
97%
34563
60%
**00
94%
IMR 4895 👍
<<locked>>
93%
52069
90%
**89
99%
IMR 8208 XBR
<<locked>>
89%
52141
90%
**23
100%
Lovex D073.4
<<locked>>
83%
52112
90%
**10
100%
Lovex D073.5
<<locked>>
85%
52199
90%
**20
100%
Lovex D073.6
<<locked>>
91%
51909
89%
**52
100%
Lovex S060
<<locked>>
90%
51764
89%
**84
99%
Lovex S062
<<locked>>
94%
51764
89%
**33
100%
Lovex S065
<<locked>>
97%
45919
79%
**41
96%
[Lovex S070]*
<<locked>>
97%
42931
74%
**08
93%
Norma 201
<<locked>>
91%
51996
90%
**23
100%
Norma 202
<<locked>>
91%
52141
90%
**30
100%
Norma 203B
<<locked>>
94%
51996
90%
**75
99%
Norma URP
<<locked>>
97%
40466
70%
**25
96%
Ramshot Big Game 👍
<<locked>>
94%
52112
90%
**02
99%
[Ramshot Hunter]*
<<locked>>
97%
40480
70%
**21
93%
Ramshot TAC
<<locked>>
88%
52156
90%
**30
97%
Ramshot Wild Boar
<<locked>>
89%
52083
90%
**66
99%
Ramshot X-Terminator
<<locked>>
86%
52170
90%
**13
99%
ReloadSwiss RS 14
<<locked>>
96%
33272
57%
**39
100%
ReloadSwiss RS 40
<<locked>>
85%
51721
89%
**13
100%
ReloadSwiss RS 50
<<locked>>
95%
52112
90%
**36
96%
ReloadSwiss RS 52 👍
<<locked>>
92%
51503
89%
**31
99%
ReloadSwiss RS 60 👍
<<locked>>
97%
49966
86%
**41
100%
ReloadSwiss RS 62
<<locked>>
97%
40132
69%
**44
95%
[ReloadSwiss RS 70]*
<<locked>>
97%
41727
72%
**57
94%
Rottweil R 901
<<locked>>
88%
51996
90%
**00
100%
Rottweil R 902
<<locked>>
93%
52156
90%
**20
100%
Rottweil R 903
<<locked>>
97%
49298
85%
**33
99%
[Rottweil R 907]*
<<locked>>
97%
47892
83%
**54
94%
SNPE Vectan SP 11
<<locked>>
97%
51445
89%
**95
99%
SNPE Vectan SP 7
<<locked>>
89%
51721
89%
**33
98%
SNPE Vectan SP 9
<<locked>>
91%
51982
90%
**52
99%
SNPE Vectan Tubal 3000
<<locked>>
89%
51822
89%
**48
100%
SNPE Vectan Tubal 5000
<<locked>>
96%
51982
90%
**54
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
97%
45397
78%
**92
94%
Shooters World Long Rifle
<<locked>>
97%
45919
79%
**41
96%
Shooters World Match Rifle
<<locked>>
91%
51909
89%
**52
100%
Shooters World Precision
<<locked>>
94%
51764
89%
**33
100%
Somchem S321
<<locked>>
86%
52141
90%
**46
100%
Somchem S335
<<locked>>
90%
51721
89%
**61
100%
Somchem S341
<<locked>>
90%
52214
90%
**43
99%
Somchem S355
<<locked>>
97%
50401
87%
**43
99%
Somchem S365
<<locked>>
97%
36303
63%
**82
98%
Vihtavuori N130
<<locked>>
86%
51576
89%
**21
100%
Vihtavuori N133
<<locked>>
92%
51764
89%
**44
100%
Vihtavuori N135
<<locked>>
97%
48283
83%
**61
100%
Vihtavuori N140
<<locked>>
93%
51895
89%
**03
100%
Vihtavuori N150
<<locked>>
97%
42482
73%
**88
99%
Vihtavuori N160
<<locked>>
97%
44962
78%
**67
97%
Vihtavuori N530
<<locked>>
87%
52098
90%
**36
100%
Vihtavuori N540
<<locked>>
93%
51895
89%
**36
100%
Vihtavuori N550
<<locked>>
97%
45107
78%
**07
97%
[Vihtavuori N555]*
<<locked>>
97%
30168
52%
**54
92%
Winchester 6.5 StaBALL
<<locked>>
97%
43903
76%
**21
98%
Winchester 748
<<locked>>
86%
51909
89%
**75
100%
Winchester 760
<<locked>>
97%
48240
83%
**52
95%
Winchester StaBALL Match
<<locked>>
85%
51982
90%
**69
99%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
38986
67%
**36
97%
[ADI AR 2208]*
<<locked>>
81%
33127
57%
**92
94%
ADI Benchmark 8208
<<locked>>
81%
41031
71%
**49
98%
Accurate 2015
<<locked>>
81%
44324
76%
**59
100%
Accurate 2200
<<locked>>
81%
41133
71%
**36
96%
Accurate 2230
<<locked>>
81%
46122
79%
**25
99%
Accurate 2460
<<locked>>
81%
46195
80%
**31
100%
Accurate 2495
<<locked>>
81%
39088
67%
**43
100%
Accurate 2520
<<locked>>
81%
39494
68%
**62
99%
[Accurate 2700]*
<<locked>>
87%
38725
67%
**54
90%
Accurate 4064
<<locked>>
81%
32895
57%
**34
99%
[Accurate 4350]*
<<locked>>
86%
27528
47%
**52
90%
Alliant AR-Comp
<<locked>>
81%
39929
69%
**52
100%
[Alliant Power Pro 2000-MR]*
<<locked>>
81%
35070
60%
**29
94%
Alliant Reloder- TS 15.5
<<locked>>
81%
32126
55%
**11
96%
Alliant Reloder-10x
<<locked>>
81%
48138
83%
**18
100%
Alliant Reloder-15
<<locked>>
81%
34737
60%
**70
95%
[Alliant Reloder-16]*
<<locked>>
86%
29776
51%
**72
90%
[Alliant Reloder-17]*
<<locked>>
81%
27905
48%
**52
91%
[Alliant Reloder-23]*
<<locked>>
94%
26861
46%
**19
90%
Baschieri & Pellagri 107
<<locked>>
81%
37768
65%
**29
95%
Bofors RP3
<<locked>>
81%
31415
54%
**11
95%
[Bofors RP7]*
<<locked>>
89%
37666
65%
**77
90%
Hodgdon BL-C2
<<locked>>
81%
39479
68%
**75
98%
Hodgdon Benchmark
<<locked>>
81%
43221
74%
**43
99%
[Hodgdon CFE223]*
<<locked>>
81%
33141
57%
**57
93%
Hodgdon H322
<<locked>>
81%
43236
75%
**92
100%
[Hodgdon H380]*
<<locked>>
81%
32677
56%
**11
92%
[Hodgdon H414]*
<<locked>>
88%
35926
62%
**23
90%
Hodgdon H4895
<<locked>>
81%
39218
68%
**43
97%
[Hodgdon Hybrid 100V]*
<<locked>>
84%
25280
44%
**37
90%
[Hodgdon LVR]*
<<locked>>
85%
30400
52%
**85
90%
[Hodgdon Superperformance]*
<<locked>>
94%
40045
69%
**02
90%
[Hodgdon VARGET]*
<<locked>>
81%
32996
57%
**92
94%
Hodgdon TrailBoss
<<locked>>
93%
31662
55%
**76
100%
IMR 3031
<<locked>>
81%
34969
60%
**93
100%
[IMR 4064]*
<<locked>>
81%
32489
56%
**72
94%
[IMR 4166 Enduron]*
<<locked>>
84%
35679
62%
**05
90%
IMR 4198
<<locked>>
81%
48675
84%
**88
100%
[IMR 4350]*
<<locked>>
94%
38174
66%
**06
90%
[IMR 4451 Enduron]*
<<locked>>
86%
35998
62%
**41
90%
[IMR 4831]*
<<locked>>
90%
27949
48%
**39
90%
IMR 4895
<<locked>>
81%
35578
61%
**00
96%
IMR 8208 XBR
<<locked>>
81%
41031
71%
**49
98%
Lovex D073.4
<<locked>>
81%
48095
83%
**51
100%
Lovex D073.5
<<locked>>
81%
45847
79%
**28
100%
Lovex D073.6
<<locked>>
81%
36985
64%
**13
99%
Lovex S060
<<locked>>
81%
39827
69%
**87
97%
Lovex S062
<<locked>>
81%
34476
59%
**31
97%
[Lovex S065]*
<<locked>>
85%
31589
54%
**56
90%
[Lovex S070]*
<<locked>>
90%
34911
60%
**54
90%
Norma 201
<<locked>>
81%
38232
66%
**93
98%
Norma 202
<<locked>>
81%
38174
66%
**06
99%
Norma 203B
<<locked>>
81%
34272
59%
**60
95%
[Norma URP]*
<<locked>>
86%
28718
50%
**56
90%
Ramshot Big Game
<<locked>>
81%
33533
58%
**64
95%
[Ramshot Hunter]*
<<locked>>
92%
34243
59%
**83
90%
[Ramshot TAC]*
<<locked>>
81%
40843
70%
**39
94%
Ramshot Wild Boar
<<locked>>
81%
39914
69%
**59
97%
Ramshot X-Terminator
<<locked>>
81%
44396
77%
**92
98%
ReloadSwiss RS 14
<<locked>>
89%
30168
52%
**80
100%
ReloadSwiss RS 40
<<locked>>
81%
46021
79%
**28
100%
[ReloadSwiss RS 50]*
<<locked>>
81%
33678
58%
**01
90%
ReloadSwiss RS 52
<<locked>>
81%
35781
62%
**52
95%
ReloadSwiss RS 60
<<locked>>
81%
29704
51%
**18
96%
[ReloadSwiss RS 62]*
<<locked>>
88%
29660
51%
**05
90%
[ReloadSwiss RS 70]*
<<locked>>
90%
33518
58%
**77
90%
Rottweil R 901
<<locked>>
81%
41959
72%
**46
100%
Rottweil R 902
<<locked>>
81%
36376
63%
**51
97%
[Rottweil R 903]*
<<locked>>
81%
29443
51%
**59
94%
[Rottweil R 907]*
<<locked>>
89%
37666
65%
**77
90%
[SNPE Vectan SP 11]*
<<locked>>
81%
30792
53%
**98
93%
[SNPE Vectan SP 7]*
<<locked>>
81%
38885
67%
**13
94%
SNPE Vectan SP 9
<<locked>>
81%
37449
65%
**03
96%
SNPE Vectan Tubal 3000
<<locked>>
81%
39914
69%
**67
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
32837
57%
**49
99%
[SNPE Vectan Tubal 7000]*
<<locked>>
89%
34708
60%
**05
90%
[Shooters World Long Rifle]*
<<locked>>
85%
31589
54%
**56
90%
Shooters World Match Rifle
<<locked>>
81%
36985
64%
**13
99%
Shooters World Precision
<<locked>>
81%
34476
59%
**31
97%
Somchem S321
<<locked>>
81%
44092
76%
**25
99%
Somchem S335
<<locked>>
81%
39450
68%
**70
100%
Somchem S341
<<locked>>
81%
38551
66%
**16
96%
[Somchem S355]*
<<locked>>
81%
30676
53%
**72
94%
[Somchem S365]*
<<locked>>
83%
23337
40%
**24
90%
Vihtavuori N130
<<locked>>
81%
44657
77%
**26
100%
Vihtavuori N133
<<locked>>
81%
37478
65%
**24
100%
Vihtavuori N135
<<locked>>
81%
29704
51%
**33
99%
Vihtavuori N140
<<locked>>
81%
35650
61%
**41
99%
[Vihtavuori N150]*
<<locked>>
81%
26034
45%
**37
94%
[Vihtavuori N160]*
<<locked>>
83%
29008
50%
**29
90%
Vihtavuori N530
<<locked>>
81%
43236
75%
**98
99%
Vihtavuori N540
<<locked>>
81%
35259
61%
**60
99%
[Vihtavuori N550]*
<<locked>>
83%
28703
49%
**59
90%
[Vihtavuori N555]*
<<locked>>
93%
27064
47%
**65
90%
[Winchester 6.5 StaBALL]*
<<locked>>
81%
26397
45%
**34
91%
Winchester 748
<<locked>>
81%
42917
74%
**38
99%
[Winchester 760]*
<<locked>>
88%
35926
62%
**23
90%
Winchester StaBALL Match
<<locked>>
81%
45745
79%
**70
99%

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.

<<locked>>... you need to buy an access license to unlock the data

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