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Load data for .450 Rigby + .458 | 350gr | Speer FN

Recommended Powder(s): Accurate 4064, Lovex D073.6, ReloadSwiss RS 52, SNPE Vectan SP 9, Shooters World Match Rifle

.450 Rigby + .458 | 350gr | Speer FN

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.458 | 350gr | Speer FN
Manufacturer SKU:
2478
Bullet Weight:
350gr | 22.7g
Bullet Diameter:
0.458" | 11.63mm
Bullet Length:
0.975" | 24.8mm
Caliber:
.450 Rigby load data
Case Length (l3):
2.902" | 73.7mm
Cartridge Length (C.O.L.):
3.694" | 93.8mm
Seated Depth:
0.183" | 4.7mm
Shank Seated Depth:
0.183" | 4.7mm
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_B6298_C768
Last updated:
2025-01-01

Load data for 178 loads in caliber .450 Rigby with .458 | 350gr | Speer FN bullet and 89 powders such as Accurate 4064, Lovex D073.6, ReloadSwiss RS 52, SNPE Vectan SP 9, Shooters World Match Rifle. 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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  • 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>>
91%
51677
89%
**53
99%
ADI AR 2208
<<locked>>
96%
51967
90%
**36
98%
Accurate 2015
<<locked>>
87%
52040
90%
**80
100%
Accurate 2200
<<locked>>
89%
51692
89%
**13
97%
Accurate 2230
<<locked>>
85%
51735
89%
**10
99%
Accurate 2460
<<locked>>
85%
52040
90%
**20
100%
Accurate 2495
<<locked>>
90%
51822
89%
**49
100%
Accurate 2520
<<locked>>
89%
51938
90%
**59
100%
[Accurate 2700]*
<<locked>>
97%
51982
90%
**61
93%
Accurate 4064 👍
<<locked>>
96%
51822
89%
**62
100%
[Accurate 4350]*
<<locked>>
97%
38972
67%
**92
94%
Alliant AR-Comp
<<locked>>
90%
52011
90%
**36
100%
Alliant Reloder- TS 15.5
<<locked>>
97%
51895
89%
**72
99%
Alliant Reloder-10x
<<locked>>
84%
52156
90%
**87
100%
Alliant Reloder-15
<<locked>>
94%
51721
89%
**79
98%
[Alliant Reloder-16]*
<<locked>>
97%
40350
70%
**08
94%
Alliant Reloder-17
<<locked>>
97%
46021
79%
**59
98%
Baschieri & Pellagri 107
<<locked>>
91%
52069
90%
**79
98%
Hodgdon BL-C2
<<locked>>
89%
51764
89%
**85
99%
Hodgdon Benchmark
<<locked>>
88%
51953
90%
**87
100%
Hodgdon CFE223
<<locked>>
95%
52170
90%
**15
98%
Hodgdon H322
<<locked>>
87%
52185
90%
**40
100%
Hodgdon H380
<<locked>>
96%
51822
89%
**62
97%
[Hodgdon H414]*
<<locked>>
97%
47703
82%
**36
93%
Hodgdon Hybrid 100V
<<locked>>
97%
36463
63%
**03
95%
Hodgdon LVR
<<locked>>
97%
43743
75%
**64
95%
Hodgdon VARGET
<<locked>>
96%
51967
90%
**36
98%
IMR 3031
<<locked>>
94%
51735
89%
**79
100%
IMR 4064
<<locked>>
97%
51430
89%
**23
98%
[IMR 4166 Enduron]*
<<locked>>
97%
52011
90%
**90
94%
IMR 4198
<<locked>>
84%
51982
90%
**41
100%
[IMR 4451 Enduron]*
<<locked>>
97%
49400
85%
**80
93%
[IMR 4831]*
<<locked>>
97%
33924
58%
**57
92%
IMR 4895
<<locked>>
94%
52069
90%
**99
99%
IMR 8208 XBR
<<locked>>
89%
52011
90%
**30
99%
Lovex D073.4
<<locked>>
84%
51822
89%
**13
100%
Lovex D073.5
<<locked>>
85%
52040
90%
**20
100%
Lovex D073.6 👍
<<locked>>
92%
52069
90%
**66
100%
Lovex S060
<<locked>>
91%
52170
90%
**97
99%
Lovex S062
<<locked>>
95%
51924
89%
**40
99%
[Lovex S065]*
<<locked>>
97%
45107
78%
**18
94%
[Lovex S070]*
<<locked>>
97%
42540
73%
**85
92%
Norma 201
<<locked>>
91%
51793
89%
**30
99%
Norma 202
<<locked>>
91%
51982
90%
**40
100%
Norma 203B
<<locked>>
95%
51764
89%
**79
99%
[Norma URP]*
<<locked>>
97%
40074
69%
**02
94%
Ramshot Big Game
<<locked>>
95%
52170
90%
**02
98%
Ramshot TAC
<<locked>>
89%
52199
90%
**30
96%
Ramshot Wild Boar
<<locked>>
89%
52170
90%
**72
99%
Ramshot X-Terminator
<<locked>>
86%
52069
90%
**17
98%
ReloadSwiss RS 14
<<locked>>
96%
33141
57%
**83
100%
ReloadSwiss RS 40
<<locked>>
85%
52069
90%
**23
100%
ReloadSwiss RS 50
<<locked>>
95%
51619
89%
**26
95%
ReloadSwiss RS 52 👍
<<locked>>
96%
52112
90%
**25
100%
ReloadSwiss RS 60
<<locked>>
97%
45034
78%
**49
99%
[ReloadSwiss RS 62]*
<<locked>>
97%
39262
68%
**08
93%
[ReloadSwiss RS 70]*
<<locked>>
97%
40625
70%
**18
92%
Rottweil R 901
<<locked>>
89%
51982
90%
**03
100%
Rottweil R 902
<<locked>>
93%
52141
90%
**26
99%
Rottweil R 903
<<locked>>
97%
48602
84%
**30
99%
[Rottweil R 907]*
<<locked>>
97%
47340
82%
**41
92%
SNPE Vectan SP 11
<<locked>>
97%
50401
87%
**82
98%
SNPE Vectan SP 7
<<locked>>
90%
51822
89%
**30
97%
SNPE Vectan SP 9 👍
<<locked>>
92%
52199
90%
**56
99%
SNPE Vectan Tubal 3000
<<locked>>
90%
52011
90%
**57
100%
SNPE Vectan Tubal 5000
<<locked>>
97%
52040
90%
**61
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
97%
44817
77%
**72
92%
[Shooters World Long Rifle]*
<<locked>>
97%
45107
78%
**18
94%
Shooters World Match Rifle 👍
<<locked>>
92%
52069
90%
**66
100%
Shooters World Precision
<<locked>>
95%
51924
89%
**40
99%
Shooters World Tactical Rifle
<<locked>>
83%
51634
89%
**90
99%
Somchem S321
<<locked>>
86%
51982
90%
**46
100%
Somchem S335
<<locked>>
91%
51866
89%
**67
100%
Somchem S341
<<locked>>
90%
51634
89%
**33
98%
Somchem S355
<<locked>>
97%
49472
85%
**30
99%
Somchem S365
<<locked>>
97%
35331
61%
**36
96%
Vihtavuori N130
<<locked>>
87%
52199
90%
**38
100%
Vihtavuori N133
<<locked>>
93%
51866
89%
**54
100%
Vihtavuori N135
<<locked>>
97%
47471
82%
**51
100%
Vihtavuori N140
<<locked>>
94%
51808
89%
**17
100%
Vihtavuori N150
<<locked>>
97%
41727
72%
**69
98%
Vihtavuori N160
<<locked>>
97%
44382
76%
**48
95%
Vihtavuori N530
<<locked>>
87%
52054
90%
**46
99%
Vihtavuori N540
<<locked>>
94%
52170
90%
**46
100%
Vihtavuori N550
<<locked>>
97%
44251
76%
**90
95%
Winchester 6.5 StaBALL
<<locked>>
97%
43323
75%
**98
97%
Winchester 748
<<locked>>
87%
51880
89%
**79
100%
[Winchester 760]*
<<locked>>
97%
47703
82%
**36
93%
Winchester StaBALL Match
<<locked>>
85%
51779
89%
**69
99%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
38218
66%
**07
95%
[ADI AR 2208]*
<<locked>>
81%
32605
56%
**56
92%
Accurate 2015
<<locked>>
81%
43381
75%
**43
100%
[Accurate 2200]*
<<locked>>
81%
40451
70%
**07
94%
Accurate 2230
<<locked>>
81%
45455
78%
**08
98%
Accurate 2460
<<locked>>
81%
45295
78%
**18
99%
Accurate 2495
<<locked>>
81%
38189
66%
**20
100%
Accurate 2520
<<locked>>
81%
38653
67%
**36
99%
[Accurate 2700]*
<<locked>>
90%
42467
73%
**97
90%
Accurate 4064
<<locked>>
81%
32126
55%
**95
98%
[Accurate 4350]*
<<locked>>
90%
30342
52%
**88
90%
Alliant AR-Comp
<<locked>>
81%
39030
67%
**36
100%
[Alliant Reloder- TS 15.5]*
<<locked>>
81%
31357
54%
**69
94%
Alliant Reloder-10x
<<locked>>
81%
47239
81%
**12
100%
[Alliant Reloder-15]*
<<locked>>
81%
33997
59%
**31
93%
[Alliant Reloder-16]*
<<locked>>
90%
32300
56%
**11
90%
[Alliant Reloder-17]*
<<locked>>
82%
28558
49%
**33
90%
[Baschieri & Pellagri 107]*
<<locked>>
81%
37043
64%
**93
93%
Hodgdon BL-C2
<<locked>>
81%
38711
67%
**52
97%
Hodgdon Benchmark
<<locked>>
81%
42424
73%
**26
98%
[Hodgdon CFE223]*
<<locked>>
81%
32343
56%
**11
91%
Hodgdon H322
<<locked>>
81%
42540
73%
**79
100%
[Hodgdon H380]*
<<locked>>
81%
31937
55%
**65
90%
[Hodgdon H414]*
<<locked>>
91%
39204
68%
**72
90%
[Hodgdon Hybrid 100V]*
<<locked>>
88%
27557
48%
**64
90%
[Hodgdon LVR]*
<<locked>>
88%
33185
57%
**28
90%
[Hodgdon VARGET]*
<<locked>>
81%
32416
56%
**46
92%
IMR 3031
<<locked>>
81%
33968
59%
**57
99%
[IMR 4064]*
<<locked>>
81%
31807
55%
**33
92%
[IMR 4166 Enduron]*
<<locked>>
87%
38943
67%
**51
90%
IMR 4198
<<locked>>
81%
47964
83%
**89
100%
[IMR 4451 Enduron]*
<<locked>>
90%
39566
68%
**93
90%
[IMR 4831]*
<<locked>>
94%
30589
53%
**79
90%
[IMR 4895]*
<<locked>>
81%
34824
60%
**61
94%
IMR 8208 XBR
<<locked>>
81%
40248
69%
**23
97%
Lovex D073.4
<<locked>>
81%
47268
81%
**31
99%
Lovex D073.5
<<locked>>
81%
45005
78%
**15
99%
Lovex D073.6
<<locked>>
81%
36260
63%
**87
98%
Lovex S060
<<locked>>
81%
38986
67%
**54
96%
Lovex S062
<<locked>>
81%
33605
58%
**95
96%
[Lovex S065]*
<<locked>>
88%
34229
59%
**92
90%
[Lovex S070]*
<<locked>>
93%
38145
66%
**93
90%
Norma 201
<<locked>>
81%
37521
65%
**70
97%
Norma 202
<<locked>>
81%
37347
64%
**84
99%
[Norma 203B]*
<<locked>>
81%
33533
58%
**21
94%
[Norma URP]*
<<locked>>
89%
31531
54%
**95
90%
[Ramshot Big Game]*
<<locked>>
81%
33025
57%
**21
93%
[Ramshot TAC]*
<<locked>>
81%
40089
69%
**13
93%
Ramshot Wild Boar
<<locked>>
81%
39117
67%
**33
96%
Ramshot X-Terminator
<<locked>>
81%
43758
75%
**72
97%
ReloadSwiss RS 14
<<locked>>
92%
30980
53%
**44
100%
ReloadSwiss RS 40
<<locked>>
81%
45498
78%
**18
99%
[ReloadSwiss RS 50]*
<<locked>>
85%
36695
63%
**44
90%
ReloadSwiss RS 52
<<locked>>
81%
31879
55%
**25
95%
[ReloadSwiss RS 60]*
<<locked>>
82%
27615
48%
**03
90%
[ReloadSwiss RS 62]*
<<locked>>
91%
32460
56%
**48
90%
[ReloadSwiss RS 70]*
<<locked>>
93%
36448
63%
**23
90%
Rottweil R 901
<<locked>>
81%
41046
71%
**20
99%
Rottweil R 902
<<locked>>
81%
35621
61%
**15
96%
[Rottweil R 903]*
<<locked>>
81%
28877
50%
**06
92%
[Rottweil R 907]*
<<locked>>
92%
41263
71%
**26
90%
[SNPE Vectan SP 11]*
<<locked>>
81%
30255
52%
**52
91%
[SNPE Vectan SP 7]*
<<locked>>
81%
38159
66%
**77
93%
SNPE Vectan SP 9
<<locked>>
81%
36796
63%
**70
95%
SNPE Vectan Tubal 3000
<<locked>>
81%
39407
68%
**44
99%
SNPE Vectan Tubal 5000
<<locked>>
81%
32155
55%
**06
98%
[SNPE Vectan Tubal 7000]*
<<locked>>
92%
38014
66%
**48
90%
[Shooters World Long Rifle]*
<<locked>>
88%
34229
59%
**92
90%
Shooters World Match Rifle
<<locked>>
81%
36260
63%
**87
98%
Shooters World Precision
<<locked>>
81%
33605
58%
**95
96%
Shooters World Tactical Rifle
<<locked>>
81%
47964
83%
**28
99%
Somchem S321
<<locked>>
81%
43265
75%
**02
98%
Somchem S335
<<locked>>
81%
38754
67%
**48
99%
Somchem S341
<<locked>>
81%
37768
65%
**84
95%
[Somchem S355]*
<<locked>>
81%
30037
52%
**20
93%
[Somchem S365]*
<<locked>>
86%
25251
44%
**41
90%
Vihtavuori N130
<<locked>>
81%
43685
75%
**13
100%
Vihtavuori N133
<<locked>>
81%
36608
63%
**95
100%
Vihtavuori N135
<<locked>>
81%
29080
50%
**93
99%
Vihtavuori N140
<<locked>>
81%
34911
60%
**11
99%
[Vihtavuori N150]*
<<locked>>
81%
25454
44%
**85
92%
[Vihtavuori N160]*
<<locked>>
87%
31778
55%
**65
90%
Vihtavuori N530
<<locked>>
81%
42322
73%
**72
98%
Vihtavuori N540
<<locked>>
81%
34534
60%
**25
98%
[Vihtavuori N550]*
<<locked>>
86%
31488
54%
**98
90%
[Winchester 6.5 StaBALL]*
<<locked>>
83%
27746
48%
**31
90%
Winchester 748
<<locked>>
81%
42003
72%
**15
99%
[Winchester 760]*
<<locked>>
91%
39204
68%
**72
90%
Winchester StaBALL Match
<<locked>>
81%
44744
77%
**48
98%

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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