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Load data for .450 Rigby + .458 | 500gr | MAKER SOCOM

Recommended Powder(s): Alliant Power Pro 2000-MR, Alliant Reloder-17, Hodgdon CFE223, ReloadSwiss RS 52, SNPE Vectan SP 11

.450 Rigby + .458 | 500gr | MAKER SOCOM

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.458 | 500gr | MAKER SOCOM
Bullet Weight:
500gr | 32.4g
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_B12169_C768
Last updated:
2026-01-31

Load data for 196 loads in caliber .450 Rigby with .458 | 500gr | MAKER SOCOM bullet and 98 powders such as Alliant Power Pro 2000-MR, Alliant Reloder-17, Hodgdon CFE223, ReloadSwiss RS 52, SNPE Vectan SP 11. 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>>
89%
52112
90%
**24
100%
ADI AR 2208
<<locked>>
94%
51706
89%
**08
99%
Accurate 2015
<<locked>>
85%
51866
89%
**29
100%
Accurate 2200
<<locked>>
87%
51909
89%
**88
99%
Accurate 2230
<<locked>>
83%
51866
89%
**82
100%
Accurate 2460
<<locked>>
83%
51735
89%
**82
100%
Accurate 2495
<<locked>>
88%
51924
90%
**92
100%
Accurate 2520
<<locked>>
88%
52156
90%
**21
100%
Accurate 2700
<<locked>>
95%
51953
90%
**62
96%
Accurate 4064
<<locked>>
94%
52083
90%
**18
100%
Accurate 4350
<<locked>>
97%
41626
72%
**56
98%
Alliant AR-Comp
<<locked>>
88%
52083
90%
**78
100%
Alliant Power Pro 2000-MR 👍
<<locked>>
92%
51880
89%
**26
100%
Alliant Reloder- TS 15.5
<<locked>>
95%
51764
89%
**34
100%
Alliant Reloder-15
<<locked>>
92%
51648
89%
**38
100%
Alliant Reloder-16
<<locked>>
97%
42583
73%
**65
98%
Alliant Reloder-17 👍
<<locked>>
97%
48747
84%
**87
100%
Alliant Reloder-23
<<locked>>
97%
29907
52%
**49
95%
[Alliant Reloder-26]*
<<locked>>
97%
32445
56%
**47
93%
Baschieri & Pellagri 107
<<locked>>
89%
51692
89%
**38
99%
Bofors RP3
<<locked>>
95%
51692
89%
**44
100%
Bofors RP7
<<locked>>
97%
49748
86%
**78
96%
Hodgdon BL-C2
<<locked>>
88%
51924
90%
**47
100%
Hodgdon Benchmark
<<locked>>
86%
51851
89%
**56
100%
Hodgdon CFE223 👍
<<locked>>
93%
52011
90%
**83
99%
Hodgdon H322
<<locked>>
86%
52214
90%
**85
100%
Hodgdon H380
<<locked>>
94%
51764
89%
**34
99%
Hodgdon H414
<<locked>>
97%
50096
86%
**67
97%
[Hodgdon H4350]*
<<locked>>
97%
41176
71%
**70
93%
Hodgdon H4895
<<locked>>
89%
52098
90%
**31
100%
Hodgdon Hybrid 100V
<<locked>>
97%
38754
67%
**70
99%
Hodgdon LVR
<<locked>>
97%
46456
80%
**01
98%
Hodgdon Superperformance
<<locked>>
97%
46093
79%
**18
95%
Hodgdon VARGET
<<locked>>
95%
51706
89%
**08
99%
IMR 3031
<<locked>>
92%
52083
90%
**21
100%
IMR 4064
<<locked>>
95%
52199
90%
**05
100%
IMR 4166 Enduron
<<locked>>
95%
52040
90%
**78
97%
[IMR 4350]*
<<locked>>
97%
43482
75%
**10
94%
IMR 4451 Enduron
<<locked>>
97%
51764
89%
**05
97%
IMR 4831
<<locked>>
97%
36143
62%
**44
96%
IMR 4895
<<locked>>
92%
51837
89%
**54
100%
IMR 8208 XBR
<<locked>>
87%
52185
90%
**95
100%
Lovex D073.5
<<locked>>
84%
52185
90%
**88
100%
Lovex D073.6
<<locked>>
90%
52156
90%
**21
100%
Lovex S060
<<locked>>
89%
51982
90%
**62
100%
Lovex S062
<<locked>>
93%
51561
89%
**05
100%
Lovex S065
<<locked>>
97%
47297
82%
**56
98%
Lovex S070
<<locked>>
97%
45005
78%
**42
96%
Norma 201
<<locked>>
90%
52170
90%
**95
100%
Norma 202
<<locked>>
90%
52083
90%
**98
100%
Norma 203B
<<locked>>
93%
52040
90%
**44
100%
[Norma 204]*
<<locked>>
97%
43439
75%
**33
92%
Norma URP
<<locked>>
97%
42496
73%
**56
98%
Ramshot Big Game
<<locked>>
93%
51851
89%
**64
100%
Ramshot Hunter
<<locked>>
97%
41713
72%
**46
96%
Ramshot TAC
<<locked>>
87%
52098
90%
**05
98%
Ramshot Wild Boar
<<locked>>
88%
51895
89%
**31
100%
Ramshot X-Terminator
<<locked>>
85%
52156
90%
**88
100%
ReloadSwiss RS 40
<<locked>>
84%
52054
90%
**85
100%
ReloadSwiss RS 50
<<locked>>
94%
52185
90%
**15
98%
ReloadSwiss RS 52 👍
<<locked>>
90%
51605
89%
**93
100%
ReloadSwiss RS 60
<<locked>>
97%
51938
90%
**33
100%
ReloadSwiss RS 62
<<locked>>
97%
42076
73%
**78
98%
ReloadSwiss RS 70
<<locked>>
97%
43308
75%
**98
97%
Rottweil R 901
<<locked>>
87%
52054
90%
**65
100%
Rottweil R 902
<<locked>>
92%
52170
90%
**88
100%
Rottweil R 903
<<locked>>
97%
51619
89%
**38
100%
Rottweil R 907
<<locked>>
97%
49748
86%
**78
96%
SNPE Vectan SP 11 👍
<<locked>>
96%
52083
90%
**74
100%
SNPE Vectan SP 7
<<locked>>
88%
51750
89%
**08
99%
SNPE Vectan SP 9
<<locked>>
90%
51634
89%
**21
100%
SNPE Vectan Tubal 3000
<<locked>>
88%
51793
89%
**19
100%
SNPE Vectan Tubal 5000
<<locked>>
95%
51924
89%
**29
100%
SNPE Vectan Tubal 7000
<<locked>>
97%
47616
82%
**19
96%
Shooters World Long Rifle
<<locked>>
97%
47297
82%
**56
98%
Shooters World Match Rifle
<<locked>>
90%
52156
90%
**21
100%
Shooters World Precision
<<locked>>
93%
51561
89%
**05
100%
Somchem S321
<<locked>>
85%
51909
89%
**11
100%
Somchem S335
<<locked>>
89%
52040
90%
**36
100%
Somchem S341
<<locked>>
89%
51692
89%
**11
100%
Somchem S355
<<locked>>
97%
52170
90%
**34
100%
Somchem S365
<<locked>>
97%
37710
65%
**19
99%
[Somchem S385]*
<<locked>>
97%
35128
61%
**11
91%
Vihtavuori N130
<<locked>>
85%
51909
89%
**96
100%
Vihtavuori N133
<<locked>>
91%
51996
90%
**13
100%
Vihtavuori N135
<<locked>>
97%
50038
86%
**49
100%
Vihtavuori N140
<<locked>>
92%
52141
90%
**75
100%
Vihtavuori N150
<<locked>>
97%
44512
77%
**10
100%
Vihtavuori N160
<<locked>>
97%
46746
81%
**82
98%
Vihtavuori N530
<<locked>>
85%
51735
89%
**98
100%
Vihtavuori N540
<<locked>>
92%
52127
90%
**08
100%
Vihtavuori N550
<<locked>>
97%
47036
81%
**24
99%
Vihtavuori N555
<<locked>>
97%
31328
54%
**11
95%
Winchester 6.5 StaBALL
<<locked>>
97%
45455
78%
**46
100%
Winchester 748
<<locked>>
85%
51590
89%
**31
100%
Winchester 760
<<locked>>
97%
50096
86%
**67
97%
[Winchester StaBALL HD]*
<<locked>>
97%
26556
46%
**06
92%
Winchester StaBALL Match
<<locked>>
83%
51764
89%
**31
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
40495
70%
**57
99%
ADI AR 2208
<<locked>>
81%
34577
60%
**46
96%
Accurate 2015
<<locked>>
81%
46035
79%
**60
100%
Accurate 2200
<<locked>>
81%
42801
74%
**64
98%
Accurate 2230
<<locked>>
81%
48008
83%
**36
100%
Accurate 2460
<<locked>>
81%
48138
83%
**36
100%
Accurate 2495
<<locked>>
81%
41089
71%
**57
100%
Accurate 2520
<<locked>>
81%
41495
72%
**83
100%
[Accurate 2700]*
<<locked>>
81%
33388
58%
**77
90%
Accurate 4064
<<locked>>
81%
34577
60%
**72
100%
[Accurate 4350]*
<<locked>>
81%
24511
42%
**11
91%
Alliant AR-Comp
<<locked>>
81%
41771
72%
**57
100%
Alliant Power Pro 2000-MR
<<locked>>
81%
36419
63%
**70
97%
Alliant Reloder- TS 15.5
<<locked>>
81%
33518
58%
**59
98%
Alliant Reloder-15
<<locked>>
81%
36201
62%
**08
97%
[Alliant Reloder-16]*
<<locked>>
81%
26643
46%
**31
91%
Alliant Reloder-17
<<locked>>
81%
29037
50%
**23
95%
[Alliant Reloder-23]*
<<locked>>
87%
22931
40%
**59
90%
[Alliant Reloder-26]*
<<locked>>
92%
28007
48%
**36
90%
Baschieri & Pellagri 107
<<locked>>
81%
39218
68%
**57
97%
Bofors RP3
<<locked>>
81%
32837
57%
**59
98%
[Bofors RP7]*
<<locked>>
83%
32271
56%
**86
90%
Hodgdon BL-C2
<<locked>>
81%
41147
71%
**03
99%
Hodgdon Benchmark
<<locked>>
81%
44933
77%
**64
100%
Hodgdon CFE223
<<locked>>
81%
34447
59%
**08
96%
Hodgdon H322
<<locked>>
81%
45165
78%
**96
100%
Hodgdon H380
<<locked>>
81%
33968
59%
**62
95%
[Hodgdon H414]*
<<locked>>
82%
30763
53%
**29
90%
[Hodgdon H4350]*
<<locked>>
89%
32851
57%
**19
90%
Hodgdon H4895
<<locked>>
81%
40901
71%
**70
99%
[Hodgdon Hybrid 100V]*
<<locked>>
81%
23975
41%
**55
92%
[Hodgdon LVR]*
<<locked>>
81%
28456
49%
**70
92%
[Hodgdon Superperformance]*
<<locked>>
88%
34040
59%
**01
90%
Hodgdon VARGET
<<locked>>
81%
34229
59%
**36
96%
IMR 3031
<<locked>>
81%
36608
63%
**14
100%
IMR 4064
<<locked>>
81%
33866
58%
**26
96%
[IMR 4166 Enduron]*
<<locked>>
81%
34258
59%
**93
92%
[IMR 4350]*
<<locked>>
87%
32474
56%
**13
90%
[IMR 4451 Enduron]*
<<locked>>
81%
32039
55%
**83
91%
[IMR 4831]*
<<locked>>
83%
23801
41%
**68
90%
IMR 4895
<<locked>>
81%
37101
64%
**34
98%
IMR 8208 XBR
<<locked>>
81%
42714
74%
**67
100%
Lovex D073.5
<<locked>>
81%
47906
83%
**36
100%
Lovex D073.6
<<locked>>
81%
38740
67%
**41
100%
Lovex S060
<<locked>>
81%
41147
71%
**11
99%
Lovex S062
<<locked>>
81%
35868
62%
**72
99%
[Lovex S065]*
<<locked>>
81%
29472
51%
**41
92%
[Lovex S070]*
<<locked>>
83%
29762
51%
**64
90%
Norma 201
<<locked>>
81%
39827
69%
**24
99%
Norma 202
<<locked>>
81%
39914
69%
**34
100%
Norma 203B
<<locked>>
81%
35723
62%
**01
98%
[Norma 204]*
<<locked>>
92%
37420
65%
**31
90%
[Norma URP]*
<<locked>>
81%
26049
45%
**27
91%
Ramshot Big Game
<<locked>>
81%
35027
60%
**08
97%
[Ramshot Hunter]*
<<locked>>
85%
29153
50%
**93
90%
Ramshot TAC
<<locked>>
81%
42293
73%
**67
97%
Ramshot Wild Boar
<<locked>>
81%
41597
72%
**90
99%
Ramshot X-Terminator
<<locked>>
81%
45992
79%
**06
99%
ReloadSwiss RS 40
<<locked>>
81%
47848
82%
**29
100%
[ReloadSwiss RS 50]*
<<locked>>
81%
34780
60%
**49
93%
ReloadSwiss RS 52
<<locked>>
81%
37231
64%
**77
97%
ReloadSwiss RS 60
<<locked>>
81%
30922
53%
**78
99%
[ReloadSwiss RS 62]*
<<locked>>
81%
25440
44%
**31
90%
[ReloadSwiss RS 70]*
<<locked>>
84%
28558
49%
**93
90%
Rottweil R 901
<<locked>>
81%
43540
75%
**57
100%
Rottweil R 902
<<locked>>
81%
37869
65%
**85
99%
Rottweil R 903
<<locked>>
81%
30893
53%
**13
97%
[Rottweil R 907]*
<<locked>>
83%
32271
56%
**86
90%
SNPE Vectan SP 11
<<locked>>
81%
32155
55%
**55
96%
SNPE Vectan SP 7
<<locked>>
81%
40480
70%
**51
97%
SNPE Vectan SP 9
<<locked>>
81%
38769
67%
**31
98%
SNPE Vectan Tubal 3000
<<locked>>
81%
41597
72%
**91
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
34084
59%
**86
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
83%
29544
51%
**27
90%
[Shooters World Long Rifle]*
<<locked>>
81%
29472
51%
**41
92%
Shooters World Match Rifle
<<locked>>
81%
38740
67%
**41
100%
Shooters World Precision
<<locked>>
81%
35868
62%
**72
99%
Somchem S321
<<locked>>
81%
45730
79%
**33
100%
Somchem S335
<<locked>>
81%
41017
71%
**95
100%
Somchem S341
<<locked>>
81%
40059
69%
**47
98%
Somchem S355
<<locked>>
81%
32126
55%
**23
97%
[Somchem S365]*
<<locked>>
81%
23134
40%
**78
93%
[Somchem S385]*
<<locked>>
94%
32343
56%
**55
90%
Vihtavuori N130
<<locked>>
81%
46209
80%
**31
100%
Vihtavuori N133
<<locked>>
81%
39059
67%
**52
100%
Vihtavuori N135
<<locked>>
81%
31140
54%
**80
100%
Vihtavuori N140
<<locked>>
81%
37260
64%
**78
100%
Vihtavuori N150
<<locked>>
81%
27325
47%
**11
97%
[Vihtavuori N160]*
<<locked>>
81%
28253
49%
**50
92%
Vihtavuori N530
<<locked>>
81%
45034
78%
**10
100%
Vihtavuori N540
<<locked>>
81%
36753
63%
**91
100%
[Vihtavuori N550]*
<<locked>>
81%
28181
49%
**83
92%
[Vihtavuori N555]*
<<locked>>
87%
23293
40%
**01
90%
[Winchester 6.5 StaBALL]*
<<locked>>
81%
27296
47%
**11
94%
Winchester 748
<<locked>>
81%
44686
77%
**46
100%
[Winchester 760]*
<<locked>>
82%
30763
53%
**29
90%
[Winchester StaBALL HD]*
<<locked>>
94%
24598
42%
**41
90%
Winchester StaBALL Match
<<locked>>
81%
47514
82%
**78
100%

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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