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Load data for .450 Rigby + .458 | 300gr | Nosler Partition PP

Recommended Powder(s): Accurate 2520, IMR 3031, Lovex D073.6, Shooters World Match Rifle, Winchester 748

.450 Rigby + .458 | 300gr | Nosler Partition PP

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.458 | 300gr | Nosler Partition PP
Manufacturer SKU:
45325
Bullet Weight:
300gr | 19.4g
Bullet Diameter:
0.458" | 11.63mm
Bullet Length:
0.830" | 21.1mm
Caliber:
.450 Rigby load data
Case Length (l3):
2.902" | 73.7mm
Cartridge Length (C.O.L.):
3.610" | 91.7mm
Seated Depth:
0.122" | 3.1mm
Shank Seated Depth:
0.122" | 3.1mm
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_B4209_C768
Last updated:
2025-01-01

Load data for 154 loads in caliber .450 Rigby with .458 | 300gr | Nosler Partition PP bullet and 77 powders such as Accurate 2520, IMR 3031, Lovex D073.6, Shooters World Match Rifle, Winchester 748. 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>>
94%
52112
90%
**69
97%
ADI AR 2208
<<locked>>
97%
48211
83%
**71
96%
ADI AR 2219
<<locked>>
85%
52170
90%
**56
100%
Accurate 2015
<<locked>>
90%
51822
89%
**97
100%
Accurate 2200
<<locked>>
92%
52054
90%
**13
95%
Accurate 2230
<<locked>>
88%
51880
89%
**10
98%
Accurate 2460
<<locked>>
88%
52011
90%
**23
99%
Accurate 2495
<<locked>>
94%
52054
90%
**76
100%
Accurate 2520 👍
<<locked>>
93%
52127
90%
**72
99%
Accurate 4064
<<locked>>
97%
46992
81%
**94
100%
Alliant AR-Comp
<<locked>>
93%
51909
89%
**66
100%
Alliant Reloder- TS 15.5
<<locked>>
97%
46659
80%
**87
97%
Alliant Reloder-10x
<<locked>>
87%
52083
90%
**13
100%
Alliant Reloder-15
<<locked>>
97%
50836
88%
**63
96%
[Alliant Reloder-17]*
<<locked>>
97%
41379
71%
**44
94%
Baschieri & Pellagri 106
<<locked>>
85%
51967
90%
**38
100%
Baschieri & Pellagri 107
<<locked>>
94%
52083
90%
**76
96%
Hodgdon BL-C2
<<locked>>
93%
51634
89%
**92
98%
Hodgdon Benchmark
<<locked>>
91%
52025
90%
**94
99%
Hodgdon CFE223
<<locked>>
97%
49995
86%
**72
95%
Hodgdon H322
<<locked>>
90%
52170
90%
**56
100%
Hodgdon H335
<<locked>>
85%
51808
89%
**46
100%
[Hodgdon H380]*
<<locked>>
97%
48225
83%
**00
94%
Hodgdon H4198
<<locked>>
84%
52185
90%
**54
100%
Hodgdon VARGET
<<locked>>
97%
47790
82%
**67
95%
Hodgdon TrailBoss
<<locked>>
97%
32358
56%
**78
100%
IMR 3031 👍
<<locked>>
97%
50111
86%
**72
100%
IMR 4064
<<locked>>
97%
46514
80%
**31
95%
IMR 4198
<<locked>>
87%
52098
90%
**64
100%
IMR 4895
<<locked>>
97%
52069
90%
**05
97%
IMR 8208 XBR
<<locked>>
92%
52141
90%
**36
98%
Lovex D073.4
<<locked>>
87%
52025
90%
**20
99%
Lovex D073.5
<<locked>>
88%
52011
90%
**23
99%
Lovex D073.6 👍
<<locked>>
95%
51793
89%
**72
99%
Lovex S060
<<locked>>
93%
52069
90%
**90
97%
Lovex S062
<<locked>>
97%
49661
86%
**13
98%
Norma 200
<<locked>>
83%
52098
90%
**84
100%
Norma 201
<<locked>>
95%
51909
89%
**36
98%
Norma 202
<<locked>>
95%
51808
89%
**49
100%
Norma 203B
<<locked>>
97%
49966
86%
**56
97%
Ramshot Big Game
<<locked>>
97%
50372
87%
**66
97%
[Ramshot TAC]*
<<locked>>
92%
52199
90%
**27
94%
Ramshot Wild Boar
<<locked>>
93%
52112
90%
**76
97%
Ramshot X-Terminator
<<locked>>
89%
51808
89%
**04
97%
ReloadSwiss RS 14
<<locked>>
96%
32358
56%
**21
100%
ReloadSwiss RS 40
<<locked>>
88%
52083
90%
**36
99%
[ReloadSwiss RS 50]*
<<locked>>
97%
49487
85%
**77
92%
ReloadSwiss RS 52
<<locked>>
97%
48602
84%
**72
98%
ReloadSwiss RS 60
<<locked>>
97%
40422
70%
**25
95%
Rottweil R 901
<<locked>>
92%
52185
90%
**30
100%
Rottweil R 902
<<locked>>
97%
51750
89%
**23
98%
Rottweil R 903
<<locked>>
97%
42844
74%
**22
96%
SNPE Vectan SP 10
<<locked>>
85%
52141
90%
**49
100%
SNPE Vectan SP 11
<<locked>>
97%
45397
78%
**87
95%
SNPE Vectan SP 7
<<locked>>
93%
52098
90%
**33
95%
SNPE Vectan SP 9
<<locked>>
95%
52127
90%
**59
97%
SNPE Vectan Tubal 3000
<<locked>>
93%
52098
90%
**64
100%
SNPE Vectan Tubal 5000
<<locked>>
97%
47413
82%
**95
100%
Shooters World Match Rifle 👍
<<locked>>
95%
51793
89%
**72
99%
Shooters World Precision
<<locked>>
97%
49661
86%
**13
98%
Shooters World Tactical Rifle
<<locked>>
86%
51764
89%
**94
98%
Somchem S321
<<locked>>
90%
52156
90%
**63
99%
Somchem S335
<<locked>>
94%
52170
90%
**77
100%
Somchem S341
<<locked>>
94%
52040
90%
**43
97%
Somchem S355
<<locked>>
97%
44280
76%
**28
96%
[Somchem S365]*
<<locked>>
97%
31618
55%
**95
92%
Vihtavuori N120
<<locked>>
84%
51982
90%
**95
100%
Vihtavuori N130
<<locked>>
90%
52069
90%
**61
100%
Vihtavuori N133
<<locked>>
96%
52025
90%
**71
100%
Vihtavuori N135
<<locked>>
97%
42148
73%
**76
100%
Vihtavuori N140
<<locked>>
97%
51619
89%
**23
100%
Vihtavuori N150
<<locked>>
97%
37217
64%
**61
95%
Vihtavuori N530
<<locked>>
90%
51808
89%
**46
98%
Vihtavuori N540
<<locked>>
97%
51663
89%
**53
100%
[Winchester 6.5 StaBALL]*
<<locked>>
97%
39189
68%
**77
94%
Winchester 748 👍
<<locked>>
90%
51953
90%
**95
99%
Winchester StaBALL Match
<<locked>>
88%
51851
89%
**76
98%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
[ADI AR 2206H]*
<<locked>>
81%
34360
59%
**95
92%
[ADI AR 2208]*
<<locked>>
85%
33518
58%
**52
90%
ADI AR 2219
<<locked>>
81%
45353
78%
**38
100%
Accurate 2015
<<locked>>
81%
39160
68%
**71
100%
[Accurate 2200]*
<<locked>>
81%
36724
63%
**02
90%
Accurate 2230
<<locked>>
81%
40741
70%
**13
95%
Accurate 2460
<<locked>>
81%
40524
70%
**17
97%
Accurate 2495
<<locked>>
81%
33533
58%
**25
99%
Accurate 2520
<<locked>>
81%
34185
59%
**21
96%
Accurate 4064
<<locked>>
81%
28195
49%
**70
95%
Alliant AR-Comp
<<locked>>
81%
34621
60%
**54
100%
[Alliant Reloder- TS 15.5]*
<<locked>>
82%
28877
50%
**77
90%
Alliant Reloder-10x
<<locked>>
81%
42772
74%
**53
100%
[Alliant Reloder-15]*
<<locked>>
83%
32793
57%
**75
90%
[Alliant Reloder-17]*
<<locked>>
90%
33315
57%
**28
90%
Baschieri & Pellagri 106
<<locked>>
81%
45049
78%
**23
100%
[Baschieri & Pellagri 107]*
<<locked>>
82%
35027
60%
**21
90%
[Hodgdon BL-C2]*
<<locked>>
81%
34563
60%
**44
94%
Hodgdon Benchmark
<<locked>>
81%
38972
67%
**41
96%
[Hodgdon CFE223]*
<<locked>>
87%
36129
62%
**74
90%
Hodgdon H322
<<locked>>
81%
38290
66%
**94
99%
Hodgdon H335
<<locked>>
81%
44686
77%
**22
99%
[Hodgdon H380]*
<<locked>>
89%
37246
64%
**67
90%
Hodgdon H4198
<<locked>>
81%
48051
83%
**82
100%
[Hodgdon VARGET]*
<<locked>>
85%
33518
58%
**52
90%
Hodgdon TrailBoss
<<locked>>
83%
26237
45%
**44
100%
IMR 3031
<<locked>>
81%
30313
52%
**56
97%
[IMR 4064]*
<<locked>>
85%
32648
56%
**23
90%
IMR 4198
<<locked>>
81%
43816
76%
**33
100%
[IMR 4895]*
<<locked>>
81%
31183
54%
**43
90%
[IMR 8208 XBR]*
<<locked>>
81%
36477
63%
**28
94%
Lovex D073.4
<<locked>>
81%
42438
73%
**46
97%
Lovex D073.5
<<locked>>
81%
40277
69%
**13
97%
Lovex D073.6
<<locked>>
81%
32126
55%
**72
95%
[Lovex S060]*
<<locked>>
81%
35607
61%
**59
92%
[Lovex S062]*
<<locked>>
81%
30095
52%
**74
92%
Norma 200
<<locked>>
81%
48602
84%
**28
100%
[Norma 201]*
<<locked>>
81%
33794
58%
**56
93%
Norma 202
<<locked>>
81%
33446
58%
**82
96%
[Norma 203B]*
<<locked>>
82%
31024
53%
**36
90%
[Ramshot Big Game]*
<<locked>>
84%
32924
57%
**89
90%
[Ramshot TAC]*
<<locked>>
83%
39537
68%
**71
90%
[Ramshot Wild Boar]*
<<locked>>
81%
35099
60%
**18
92%
[Ramshot X-Terminator]*
<<locked>>
81%
39726
68%
**74
94%
ReloadSwiss RS 14
<<locked>>
81%
25628
44%
**67
100%
ReloadSwiss RS 40
<<locked>>
81%
41060
71%
**26
97%
[ReloadSwiss RS 50]*
<<locked>>
93%
42931
74%
**56
90%
[ReloadSwiss RS 52]*
<<locked>>
81%
28456
49%
**87
91%
[ReloadSwiss RS 60]*
<<locked>>
90%
32430
56%
**05
90%
Rottweil R 901
<<locked>>
81%
37217
64%
**35
97%
[Rottweil R 902]*
<<locked>>
81%
32097
55%
**10
93%
[Rottweil R 903]*
<<locked>>
85%
29225
50%
**93
90%
SNPE Vectan SP 10
<<locked>>
81%
45643
79%
**38
99%
[SNPE Vectan SP 11]*
<<locked>>
87%
32663
56%
**82
90%
[SNPE Vectan SP 7]*
<<locked>>
84%
37420
64%
**44
90%
[SNPE Vectan SP 9]*
<<locked>>
81%
32924
57%
**59
91%
SNPE Vectan Tubal 3000
<<locked>>
81%
35723
62%
**52
97%
SNPE Vectan Tubal 5000
<<locked>>
81%
28805
50%
**98
96%
Shooters World Match Rifle
<<locked>>
81%
32126
55%
**72
95%
[Shooters World Precision]*
<<locked>>
81%
30095
52%
**74
92%
Shooters World Tactical Rifle
<<locked>>
81%
43497
75%
**36
96%
Somchem S321
<<locked>>
81%
38870
67%
**00
96%
Somchem S335
<<locked>>
81%
35099
61%
**59
98%
[Somchem S341]*
<<locked>>
81%
33837
58%
**72
91%
[Somchem S355]*
<<locked>>
84%
29718
51%
**87
90%
[Somchem S365]*
<<locked>>
94%
29414
51%
**30
90%
Vihtavuori N120
<<locked>>
81%
46891
81%
**23
100%
Vihtavuori N130
<<locked>>
81%
39914
69%
**48
100%
Vihtavuori N133
<<locked>>
81%
33272
57%
**10
99%
Vihtavuori N135
<<locked>>
81%
25730
44%
**79
96%
Vihtavuori N140
<<locked>>
81%
31241
54%
**07
96%
[Vihtavuori N150]*
<<locked>>
86%
26455
46%
**75
90%
Vihtavuori N530
<<locked>>
81%
38072
66%
**80
95%
Vihtavuori N540
<<locked>>
81%
30922
53%
**13
95%
[Winchester 6.5 StaBALL]*
<<locked>>
91%
32329
56%
**07
90%
Winchester 748
<<locked>>
81%
37478
65%
**13
96%
Winchester StaBALL Match
<<locked>>
81%
40001
69%
**49
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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