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Load data for .458 Win.Mag. + .458 | 300gr | Nosler Partition PP

Recommended Powder(s): ADI AR 2219, Alliant Reloder-10x, Hodgdon H4198, IMR 4198, Norma 200

.458 Win.Mag. + .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:
.458 Win.Mag. load data
Case Length (l3):
2.500" | 63.5mm
Cartridge Length (C.O.L.):
3.208" | 81.5mm
Seated Depth:
0.122" | 3.1mm
Shank Seated Depth:
0.122" | 3.1mm
Case Capacity:
95.0 Grains of Water | 6.17 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
62366 psi | 4300 bar
LID:
LID_B4209_C796
Last updated:
2025-02-02

Load data for 104 loads in caliber .458 Win.Mag. with .458 | 300gr | Nosler Partition PP bullet and 52 powders such as ADI AR 2219, Alliant Reloder-10x, Hodgdon H4198, IMR 4198, Norma 200. 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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    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.

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 2205
<<locked>>
84%
56130
90%
**79
100%
ADI AR 2207
<<locked>>
95%
55666
89%
**46
100%
ADI AR 2219 👍
<<locked>>
97%
53171
85%
**79
99%
Accurate 1680
<<locked>>
87%
55898
90%
**26
100%
Accurate 2015
<<locked>>
97%
43990
71%
**08
99%
[Accurate 2230]*
<<locked>>
97%
48225
77%
**51
93%
Accurate 2460
<<locked>>
97%
46934
75%
**61
95%
Accurate 2495
<<locked>>
97%
34548
55%
**26
97%
[Accurate 2520]*
<<locked>>
97%
38218
61%
**59
94%
Alliant AR-Comp
<<locked>>
97%
38609
62%
**85
100%
Alliant Reloder-10x 👍
<<locked>>
97%
48225
77%
**90
100%
Alliant Reloder-7
<<locked>>
94%
55912
90%
**36
100%
Baschieri & Pellagri 106
<<locked>>
97%
54288
87%
**84
99%
[Hodgdon Benchmark]*
<<locked>>
97%
45063
72%
**75
94%
Hodgdon CFE BLK
<<locked>>
94%
55695
89%
**00
96%
Hodgdon H322
<<locked>>
97%
43874
70%
**35
97%
Hodgdon H335
<<locked>>
97%
52489
84%
**72
98%
Hodgdon H4198 👍
<<locked>>
96%
55666
89%
**00
99%
IMR 3031
<<locked>>
97%
33518
54%
**70
95%
IMR 4198 👍
<<locked>>
97%
50618
81%
**71
100%
IMR 4227
<<locked>>
89%
55564
89%
**71
100%
[IMR 8208 XBR]*
<<locked>>
97%
41901
67%
**62
92%
Lovex D060
<<locked>>
83%
55970
90%
**17
100%
Lovex D073.4
<<locked>>
97%
49995
80%
**94
96%
Lovex D073.5
<<locked>>
97%
46050
74%
**48
95%
[Lovex D073.6]*
<<locked>>
97%
35157
56%
**97
92%
Lovex S053
<<locked>>
91%
55651
89%
**48
100%
Norma 200 👍
<<locked>>
97%
54752
88%
**66
100%
[Norma 202]*
<<locked>>
97%
37376
60%
**16
94%
[Ramshot X-Terminator]*
<<locked>>
97%
47195
76%
**21
92%
ReloadSwiss RS 36
<<locked>>
89%
55477
89%
**10
100%
ReloadSwiss RS 40
<<locked>>
97%
47616
76%
**67
96%
Rottweil R 901
<<locked>>
97%
41321
66%
**56
95%
SNPE Vectan BA6 1/2
<<locked>>
94%
55898
90%
**97
100%
SNPE Vectan SP 10
<<locked>>
97%
53388
86%
**82
98%
SNPE Vectan Tubal 3000
<<locked>>
97%
41118
66%
**87
95%
[SNPE Vectan Tubal 5000]*
<<locked>>
97%
32924
53%
**33
93%
Shooters World Buffalo Rifle
<<locked>>
83%
55970
90%
**17
100%
[Shooters World Match Rifle]*
<<locked>>
97%
35157
56%
**97
92%
[Shooters World Tactical Rifle]*
<<locked>>
97%
52199
84%
**87
94%
[Somchem S321]*
<<locked>>
97%
44788
72%
**41
94%
Somchem S335
<<locked>>
97%
39479
63%
**84
96%
Vihtavuori N110
<<locked>>
85%
56072
90%
**72
100%
Vihtavuori N120
<<locked>>
97%
53896
86%
**77
100%
Vihtavuori N130
<<locked>>
97%
45600
73%
**89
99%
Vihtavuori N133
<<locked>>
97%
37362
60%
**51
97%
[Vihtavuori N135]*
<<locked>>
97%
27876
45%
**93
93%
[Vihtavuori N140]*
<<locked>>
97%
34998
56%
**34
94%
[Vihtavuori N530]*
<<locked>>
97%
44353
71%
**21
93%
[Vihtavuori N540]*
<<locked>>
97%
34896
56%
**57
93%
[Winchester 748]*
<<locked>>
97%
43990
71%
**54
94%
[Winchester StaBALL Match]*
<<locked>>
97%
48051
77%
**97
93%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2205
<<locked>>
81%
51967
83%
**20
100%
ADI AR 2207
<<locked>>
81%
35737
57%
**38
100%
[ADI AR 2219]*
<<locked>>
81%
31604
51%
**65
93%
Accurate 1680
<<locked>>
81%
46137
74%
**82
98%
[Accurate 2015]*
<<locked>>
81%
26701
43%
**31
94%
[Accurate 2230]*
<<locked>>
91%
38435
62%
**80
90%
[Accurate 2460]*
<<locked>>
87%
32750
53%
**82
90%
[Accurate 2495]*
<<locked>>
83%
21451
34%
**69
90%
[Accurate 2520]*
<<locked>>
91%
30603
49%
**82
90%
[Alliant AR-Comp]*
<<locked>>
81%
23844
38%
**92
94%
Alliant Reloder-10x
<<locked>>
81%
29704
48%
**20
96%
Alliant Reloder-7
<<locked>>
81%
37333
60%
**31
99%
[Baschieri & Pellagri 106]*
<<locked>>
81%
32430
52%
**03
94%
[Hodgdon Benchmark]*
<<locked>>
87%
33968
54%
**52
90%
[Hodgdon CFE BLK]*
<<locked>>
81%
36840
59%
**69
90%
[Hodgdon H322]*
<<locked>>
81%
26832
43%
**38
90%
[Hodgdon H335]*
<<locked>>
81%
30922
50%
**52
91%
Hodgdon H4198
<<locked>>
81%
36027
58%
**65
95%
[IMR 3031]*
<<locked>>
88%
25715
41%
**51
90%
IMR 4198
<<locked>>
81%
32140
52%
**26
98%
IMR 4227
<<locked>>
81%
43627
70%
**97
100%
[IMR 8208 XBR]*
<<locked>>
93%
36419
58%
**48
90%
Lovex D060
<<locked>>
81%
52141
84%
**64
100%
[Lovex D073.4]*
<<locked>>
85%
33011
53%
**75
90%
[Lovex D073.5]*
<<locked>>
87%
32721
52%
**85
90%
[Lovex D073.6]*
<<locked>>
93%
30443
49%
**82
90%
Lovex S053
<<locked>>
81%
42424
68%
**57
100%
Norma 200
<<locked>>
81%
33649
54%
**98
98%
[Norma 202]*
<<locked>>
88%
28558
46%
**97
90%
[Ramshot X-Terminator]*
<<locked>>
94%
42496
68%
**39
90%
ReloadSwiss RS 36
<<locked>>
81%
42888
69%
**23
100%
[ReloadSwiss RS 40]*
<<locked>>
84%
31459
50%
**43
90%
[Rottweil R 901]*
<<locked>>
84%
28718
46%
**70
90%
SNPE Vectan BA6 1/2
<<locked>>
81%
39595
63%
**77
100%
[SNPE Vectan SP 10]*
<<locked>>
81%
31618
51%
**69
92%
[SNPE Vectan Tubal 3000]*
<<locked>>
85%
28485
46%
**11
90%
[SNPE Vectan Tubal 5000]*
<<locked>>
90%
26818
43%
**72
90%
Shooters World Buffalo Rifle
<<locked>>
81%
52141
84%
**64
100%
[Shooters World Match Rifle]*
<<locked>>
93%
30443
49%
**82
90%
[Shooters World Tactical Rifle]*
<<locked>>
88%
38319
61%
**44
90%
[Somchem S321]*
<<locked>>
90%
35259
57%
**51
90%
[Somchem S335]*
<<locked>>
83%
26266
42%
**78
90%
Vihtavuori N110
<<locked>>
81%
49951
80%
**00
100%
Vihtavuori N120
<<locked>>
81%
33460
54%
**49
100%
Vihtavuori N130
<<locked>>
81%
28456
46%
**34
95%
[Vihtavuori N133]*
<<locked>>
81%
23540
38%
**93
91%
[Vihtavuori N135]*
<<locked>>
92%
23873
38%
**72
90%
[Vihtavuori N140]*
<<locked>>
89%
28079
45%
**57
90%
[Vihtavuori N530]*
<<locked>>
90%
35665
57%
**44
90%
[Vihtavuori N540]*
<<locked>>
91%
29443
47%
**16
90%
[Winchester 748]*
<<locked>>
90%
34519
55%
**54
90%
[Winchester StaBALL Match]*
<<locked>>
92%
40248
65%
**49
90%

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.

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