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Load data for .450 Rigby + .458 | 300gr | Barnes X S

Recommended Powder(s):

.450 Rigby + .458 | 300gr | Barnes X S

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.458 | 300gr | Barnes X S
Manufacturer SKU:
45802
Bullet Weight:
300gr | 19.4g
Bullet Diameter:
0.458" | 11.63mm
Bullet Length:
1.085" | 27.6mm
Caliber:
.450 Rigby load data
Case Length (l3):
2.902" | 73.7mm
Cartridge Length (C.O.L.):
3.694" | 93.8mm
Seated Depth:
0.293" | 7.4mm
Shank Seated Depth:
0.293" | 7.4mm
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_B806_C768
Last updated:
2025-01-01

Load data for 152 loads in caliber .450 Rigby with .458 | 300gr | Barnes X S bullet and 76 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".

  • 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>>
93%
51822
89%
**10
97%
ADI AR 2208
<<locked>>
97%
49530
85%
**41
95%
ADI AR 2219
<<locked>>
84%
51866
89%
**97
100%
Accurate 2015
<<locked>>
89%
51677
89%
**41
100%
Accurate 2200
<<locked>>
91%
51837
89%
**58
95%
Accurate 2230
<<locked>>
87%
51982
90%
**61
97%
Accurate 2460
<<locked>>
87%
51953
90%
**67
99%
Accurate 2495
<<locked>>
92%
51735
89%
**20
100%
Accurate 2520 👍
<<locked>>
92%
52025
90%
**27
99%
Accurate 4064
<<locked>>
97%
49951
86%
**00
100%
Alliant AR-Comp
<<locked>>
93%
52170
90%
**27
100%
Alliant Reloder- TS 15.5
<<locked>>
97%
48109
83%
**67
97%
Alliant Reloder-10x
<<locked>>
86%
51706
89%
**51
100%
Alliant Reloder-15
<<locked>>
97%
52141
90%
**40
96%
[Alliant Reloder-17]*
<<locked>>
97%
43047
74%
**22
94%
Baschieri & Pellagri 106
<<locked>>
85%
52069
90%
**95
100%
Baschieri & Pellagri 107
<<locked>>
94%
52141
90%
**20
95%
Hodgdon BL-C2
<<locked>>
92%
52069
90%
**43
98%
Hodgdon Benchmark
<<locked>>
89%
51909
89%
**38
98%
Hodgdon CFE223
<<locked>>
97%
51140
88%
**36
95%
Hodgdon H322
<<locked>>
90%
52098
90%
**97
100%
Hodgdon H335
<<locked>>
85%
52185
90%
**07
100%
[Hodgdon H380]*
<<locked>>
97%
50357
87%
**77
94%
Hodgdon VARGET
<<locked>>
97%
48733
84%
**35
95%
Hodgdon TrailBoss
<<locked>>
97%
33112
57%
**55
100%
IMR 3031 👍
<<locked>>
97%
51503
89%
**49
100%
IMR 4064
<<locked>>
97%
48008
83%
**12
95%
IMR 4198
<<locked>>
86%
52156
90%
**18
100%
IMR 4895
<<locked>>
96%
51387
89%
**40
97%
IMR 8208 XBR
<<locked>>
91%
52214
90%
**87
98%
Lovex D073.4
<<locked>>
85%
52141
90%
**58
99%
Lovex D073.5
<<locked>>
87%
51953
90%
**67
99%
Lovex D073.6 👍
<<locked>>
94%
52025
90%
**27
99%
Lovex S060
<<locked>>
92%
52112
90%
**38
97%
Lovex S062
<<locked>>
97%
51721
89%
**87
98%
Norma 201
<<locked>>
93%
51663
89%
**77
98%
Norma 202
<<locked>>
94%
52040
90%
**00
100%
Norma 203B
<<locked>>
97%
51256
88%
**23
97%
Ramshot Big Game
<<locked>>
97%
51445
89%
**36
96%
[Ramshot TAC]*
<<locked>>
91%
51851
89%
**61
93%
Ramshot Wild Boar
<<locked>>
92%
52069
90%
**20
97%
Ramshot X-Terminator
<<locked>>
88%
51953
90%
**54
96%
ReloadSwiss RS 14
<<locked>>
96%
33301
57%
**95
100%
ReloadSwiss RS 40
<<locked>>
87%
51793
89%
**84
99%
[ReloadSwiss RS 50]*
<<locked>>
97%
51329
88%
**54
92%
ReloadSwiss RS 52
<<locked>>
97%
50096
86%
**46
98%
[ReloadSwiss RS 60]*
<<locked>>
97%
41829
72%
**92
94%
Rottweil R 901
<<locked>>
90%
52112
90%
**64
99%
Rottweil R 902
<<locked>>
95%
51401
89%
**58
98%
Rottweil R 903
<<locked>>
97%
45455
78%
**15
96%
SNPE Vectan SP 10
<<locked>>
84%
51982
90%
**00
99%
SNPE Vectan SP 11
<<locked>>
97%
46833
81%
**58
95%
[SNPE Vectan SP 7]*
<<locked>>
92%
51750
89%
**71
94%
SNPE Vectan SP 9
<<locked>>
94%
52127
90%
**07
97%
SNPE Vectan Tubal 3000
<<locked>>
92%
52170
90%
**15
99%
SNPE Vectan Tubal 5000
<<locked>>
97%
49124
85%
**76
100%
Shooters World Match Rifle 👍
<<locked>>
94%
52025
90%
**27
99%
Shooters World Precision
<<locked>>
97%
51721
89%
**87
98%
Shooters World Tactical Rifle
<<locked>>
85%
51634
89%
**38
97%
Somchem S321
<<locked>>
89%
52156
90%
**10
98%
Somchem S335
<<locked>>
93%
52214
90%
**31
100%
Somchem S341
<<locked>>
93%
51938
90%
**87
96%
Somchem S355
<<locked>>
97%
46470
80%
**22
96%
[Somchem S365]*
<<locked>>
97%
33997
59%
**02
92%
Vihtavuori N120
<<locked>>
83%
52170
90%
**53
100%
Vihtavuori N130
<<locked>>
89%
51735
89%
**99
100%
Vihtavuori N133
<<locked>>
95%
51677
89%
**22
100%
Vihtavuori N135
<<locked>>
97%
44179
76%
**56
100%
Vihtavuori N140
<<locked>>
96%
51866
89%
**74
100%
Vihtavuori N150
<<locked>>
97%
39291
68%
**54
95%
Vihtavuori N530
<<locked>>
90%
52170
90%
**07
98%
Vihtavuori N540
<<locked>>
96%
51779
89%
**04
99%
[Vihtavuori N550]*
<<locked>>
97%
41263
71%
**62
91%
[Winchester 6.5 StaBALL]*
<<locked>>
97%
41031
71%
**67
93%
Winchester 748 👍
<<locked>>
90%
52040
90%
**49
99%
Winchester StaBALL Match
<<locked>>
87%
51924
89%
**23
97%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
[ADI AR 2206H]*
<<locked>>
81%
36883
64%
**98
92%
[ADI AR 2208]*
<<locked>>
85%
35143
61%
**36
90%
ADI AR 2219
<<locked>>
81%
46978
81%
**18
100%
Accurate 2015
<<locked>>
81%
41887
72%
**64
100%
[Accurate 2200]*
<<locked>>
81%
38769
67%
**92
90%
Accurate 2230
<<locked>>
81%
43076
74%
**97
95%
Accurate 2460
<<locked>>
81%
43439
75%
**17
97%
Accurate 2495
<<locked>>
81%
37434
65%
**51
99%
Accurate 2520
<<locked>>
81%
36854
64%
**35
96%
Accurate 4064
<<locked>>
81%
31691
55%
**10
96%
Alliant AR-Comp
<<locked>>
81%
36941
64%
**51
100%
[Alliant Reloder- TS 15.5]*
<<locked>>
81%
30501
53%
**61
90%
Alliant Reloder-10x
<<locked>>
81%
45252
78%
**46
100%
[Alliant Reloder-15]*
<<locked>>
83%
34345
59%
**56
90%
[Alliant Reloder-17]*
<<locked>>
90%
35085
60%
**15
90%
Baschieri & Pellagri 106
<<locked>>
81%
46485
80%
**03
100%
[Baschieri & Pellagri 107]*
<<locked>>
82%
36709
63%
**05
90%
[Hodgdon BL-C2]*
<<locked>>
81%
36521
63%
**31
94%
Hodgdon Benchmark
<<locked>>
81%
41002
71%
**28
96%
[Hodgdon CFE223]*
<<locked>>
88%
38464
66%
**77
90%
Hodgdon H322
<<locked>>
81%
39943
69%
**77
99%
Hodgdon H335
<<locked>>
81%
46195
80%
**08
99%
[Hodgdon H380]*
<<locked>>
88%
38609
67%
**51
90%
[Hodgdon VARGET]*
<<locked>>
85%
34998
60%
**36
90%
Hodgdon TrailBoss
<<locked>>
85%
28050
48%
**47
100%
IMR 3031
<<locked>>
81%
32416
56%
**59
97%
[IMR 4064]*
<<locked>>
85%
34374
59%
**13
90%
IMR 4198
<<locked>>
81%
45092
78%
**03
100%
[IMR 4895]*
<<locked>>
81%
33533
58%
**52
91%
IMR 8208 XBR
<<locked>>
81%
38479
66%
**21
95%
Lovex D073.4
<<locked>>
81%
45136
78%
**40
97%
Lovex D073.5
<<locked>>
81%
43207
74%
**13
97%
Lovex D073.6
<<locked>>
81%
34766
60%
**82
95%
[Lovex S060]*
<<locked>>
81%
37782
65%
**46
92%
[Lovex S062]*
<<locked>>
81%
33011
57%
**97
92%
[Norma 201]*
<<locked>>
81%
36796
63%
**75
94%
Norma 202
<<locked>>
81%
36143
62%
**89
97%
[Norma 203B]*
<<locked>>
81%
32358
56%
**13
90%
[Ramshot Big Game]*
<<locked>>
84%
34679
60%
**75
90%
[Ramshot TAC]*
<<locked>>
83%
41452
71%
**64
90%
[Ramshot Wild Boar]*
<<locked>>
81%
37144
64%
**21
92%
[Ramshot X-Terminator]*
<<locked>>
81%
41684
72%
**61
94%
ReloadSwiss RS 14
<<locked>>
81%
26527
46%
**44
100%
ReloadSwiss RS 40
<<locked>>
81%
42670
74%
**17
97%
[ReloadSwiss RS 50]*
<<locked>>
93%
45542
79%
**53
90%
[ReloadSwiss RS 52]*
<<locked>>
81%
30806
53%
**03
91%
[ReloadSwiss RS 60]*
<<locked>>
90%
33982
59%
**89
90%
Rottweil R 901
<<locked>>
81%
40799
70%
**48
98%
[Rottweil R 902]*
<<locked>>
81%
35143
61%
**26
93%
[Rottweil R 903]*
<<locked>>
84%
30734
53%
**74
90%
SNPE Vectan SP 10
<<locked>>
81%
47805
82%
**28
99%
[SNPE Vectan SP 11]*
<<locked>>
86%
34316
59%
**75
90%
[SNPE Vectan SP 7]*
<<locked>>
84%
39479
68%
**35
90%
[SNPE Vectan SP 9]*
<<locked>>
81%
35186
61%
**59
91%
SNPE Vectan Tubal 3000
<<locked>>
81%
38029
66%
**46
97%
SNPE Vectan Tubal 5000
<<locked>>
81%
31067
54%
**02
96%
Shooters World Match Rifle
<<locked>>
81%
34766
60%
**82
95%
[Shooters World Precision]*
<<locked>>
81%
33011
57%
**97
92%
Shooters World Tactical Rifle
<<locked>>
81%
45542
78%
**23
96%
Somchem S321
<<locked>>
81%
40915
71%
**94
96%
Somchem S335
<<locked>>
81%
37449
65%
**49
98%
[Somchem S341]*
<<locked>>
81%
35926
62%
**62
91%
[Somchem S355]*
<<locked>>
83%
31009
53%
**64
90%
[Somchem S365]*
<<locked>>
93%
30966
53%
**16
90%
Vihtavuori N120
<<locked>>
81%
48646
84%
**03
100%
Vihtavuori N130
<<locked>>
81%
41872
72%
**28
100%
Vihtavuori N133
<<locked>>
81%
35389
61%
**07
99%
Vihtavuori N135
<<locked>>
81%
28601
49%
**02
96%
Vihtavuori N140
<<locked>>
81%
33388
58%
**10
96%
[Vihtavuori N150]*
<<locked>>
84%
27630
48%
**46
90%
Vihtavuori N530
<<locked>>
81%
40263
69%
**71
95%
Vihtavuori N540
<<locked>>
81%
33228
57%
**26
96%
[Vihtavuori N550]*
<<locked>>
95%
38667
67%
**94
90%
[Winchester 6.5 StaBALL]*
<<locked>>
91%
34069
59%
**93
90%
Winchester 748
<<locked>>
81%
39378
68%
**07
96%
Winchester StaBALL Match
<<locked>>
81%
41916
72%
**40
95%

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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