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Load data for .458 Lott + .458 | 405gr | Prvi Partizan SJ FP

Recommended Powder(s): Accurate 2520, Hodgdon BL-C2, Somchem S321, Winchester 748, Winchester StaBALL Match

.458 Lott + .458 | 405gr | Prvi Partizan SJ FP

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.458 | 405gr | Prvi Partizan SJ FP
Manufacturer SKU:
B-448
Bullet Weight:
405gr | 26.2g
Bullet Diameter:
0.458" | 11.63mm
Bullet Length:
1.102" | 28.0mm
Caliber:
.458 Lott load data
Case Length (l3):
2.800" | 71.1mm
Cartridge Length (C.O.L.):
3.546" | 90.1mm
Seated Depth:
0.356" | 9.0mm
Shank Seated Depth:
0.356" | 9.0mm
Case Capacity:
110.0 Grains of Water | 7.14 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
62366 psi | 4300 bar
LID:
LID_B10941_C790
Last updated:
2025-08-01

Load data for 166 loads in caliber .458 Lott with .458 | 405gr | Prvi Partizan SJ FP bullet and 83 powders such as Accurate 2520, Hodgdon BL-C2, Somchem S321, Winchester 748, Winchester StaBALL Match. 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>>
97%
53925
86%
**70
98%
ADI AR 2207
<<locked>>
86%
55550
89%
**59
100%
ADI AR 2208
<<locked>>
97%
45701
73%
**29
96%
ADI AR 2219
<<locked>>
89%
55622
89%
**64
100%
Accurate 2015
<<locked>>
94%
55680
89%
**15
100%
Accurate 2200
<<locked>>
95%
55506
89%
**41
97%
Accurate 2230
<<locked>>
91%
55840
90%
**48
99%
Accurate 2460
<<locked>>
92%
55825
90%
**54
100%
Accurate 2495
<<locked>>
97%
53505
86%
**67
100%
Accurate 2520 👍
<<locked>>
97%
55680
89%
**00
100%
Accurate 4064
<<locked>>
97%
44034
71%
**49
100%
Alliant AR-Comp
<<locked>>
97%
54984
88%
**64
100%
Alliant Reloder- TS 15.5
<<locked>>
97%
43642
70%
**39
98%
Alliant Reloder-10x
<<locked>>
91%
55680
89%
**21
100%
Alliant Reloder-15
<<locked>>
97%
47732
77%
**05
97%
Alliant Reloder-17
<<locked>>
97%
38754
62%
**06
95%
Alliant Reloder-7
<<locked>>
85%
55767
89%
**65
100%
Baschieri & Pellagri 106
<<locked>>
89%
55593
89%
**69
100%
Baschieri & Pellagri 107
<<locked>>
97%
53388
86%
**77
97%
Hodgdon BL-C2 👍
<<locked>>
97%
55651
89%
**20
99%
Hodgdon Benchmark
<<locked>>
95%
56028
90%
**25
100%
Hodgdon CFE BLK
<<locked>>
86%
55695
89%
**88
99%
Hodgdon CFE223
<<locked>>
97%
46688
75%
**11
96%
Hodgdon H322
<<locked>>
94%
56043
90%
**67
100%
Hodgdon H335
<<locked>>
89%
56014
90%
**77
100%
Hodgdon H380
<<locked>>
97%
45426
73%
**49
95%
Hodgdon H4198
<<locked>>
87%
55521
89%
**65
100%
[Hodgdon Hybrid 100V]*
<<locked>>
97%
31082
50%
**87
91%
Hodgdon VARGET
<<locked>>
97%
44976
72%
**13
96%
IMR 3031
<<locked>>
97%
47123
76%
**08
100%
IMR 4064
<<locked>>
97%
44469
71%
**00
96%
[IMR 4166 Enduron]*
<<locked>>
97%
45078
72%
**67
91%
IMR 4198
<<locked>>
90%
55753
89%
**75
100%
IMR 4895
<<locked>>
97%
48849
78%
**31
98%
IMR 8208 XBR
<<locked>>
96%
55898
90%
**67
99%
Lovex D073.4
<<locked>>
91%
56014
90%
**48
100%
Lovex D073.5
<<locked>>
92%
55825
90%
**54
100%
Lovex D073.6
<<locked>>
97%
51619
83%
**48
100%
Lovex S060
<<locked>>
97%
55216
89%
**11
99%
Lovex S062
<<locked>>
97%
46992
75%
**56
98%
Norma 200
<<locked>>
87%
55999
90%
**02
100%
Norma 201
<<locked>>
97%
52678
84%
**21
99%
Norma 202
<<locked>>
97%
52591
84%
**38
100%
Norma 203B
<<locked>>
97%
46876
75%
**88
97%
Ramshot Big Game
<<locked>>
97%
47268
76%
**11
97%
Ramshot TAC
<<locked>>
96%
56043
90%
**64
96%
Ramshot Wild Boar
<<locked>>
96%
55709
89%
**00
99%
Ramshot X-Terminator
<<locked>>
93%
55608
89%
**44
98%
ReloadSwiss RS 40
<<locked>>
92%
55796
89%
**57
100%
[ReloadSwiss RS 50]*
<<locked>>
97%
46644
75%
**36
93%
ReloadSwiss RS 52
<<locked>>
97%
44991
72%
**02
99%
ReloadSwiss RS 60
<<locked>>
97%
37724
60%
**90
95%
Rottweil R 901
<<locked>>
96%
55941
90%
**48
100%
Rottweil R 902
<<locked>>
97%
49414
79%
**72
99%
Rottweil R 903
<<locked>>
97%
39972
64%
**87
96%
SNPE Vectan BA6 1/2
<<locked>>
86%
55956
90%
**39
100%
SNPE Vectan SP 10
<<locked>>
89%
55912
90%
**67
100%
SNPE Vectan SP 11
<<locked>>
97%
42482
68%
**36
96%
SNPE Vectan SP 7
<<locked>>
97%
55245
89%
**57
97%
SNPE Vectan SP 9
<<locked>>
97%
51793
83%
**38
98%
SNPE Vectan Tubal 3000
<<locked>>
97%
55463
89%
**88
100%
SNPE Vectan Tubal 5000
<<locked>>
97%
44889
72%
**57
100%
Shooters World Match Rifle
<<locked>>
97%
51619
83%
**48
100%
Shooters World Precision
<<locked>>
97%
46992
75%
**56
98%
Shooters World Tactical Rifle
<<locked>>
90%
55651
89%
**25
99%
Somchem S321 👍
<<locked>>
93%
55941
90%
**90
100%
Somchem S335
<<locked>>
97%
54157
87%
**85
100%
Somchem S341
<<locked>>
97%
54737
88%
**64
98%
Somchem S355
<<locked>>
97%
41568
67%
**97
97%
[Somchem S365]*
<<locked>>
97%
29907
48%
**19
93%
Vihtavuori N120
<<locked>>
88%
55535
89%
**13
100%
Vihtavuori N130
<<locked>>
94%
55985
90%
**75
100%
Vihtavuori N133
<<locked>>
97%
50937
82%
**36
100%
Vihtavuori N135
<<locked>>
97%
39682
64%
**47
100%
Vihtavuori N140
<<locked>>
97%
48936
78%
**65
100%
Vihtavuori N150
<<locked>>
97%
34940
56%
**59
96%
[Vihtavuori N160]*
<<locked>>
97%
37246
60%
**15
92%
Vihtavuori N530
<<locked>>
94%
55376
89%
**67
99%
Vihtavuori N540
<<locked>>
97%
48399
78%
**85
100%
[Vihtavuori N550]*
<<locked>>
97%
36825
59%
**51
92%
[Winchester 6.5 StaBALL]*
<<locked>>
97%
36869
59%
**75
94%
Winchester 748 👍
<<locked>>
94%
55753
89%
**20
100%
Winchester StaBALL Match 👍
<<locked>>
92%
56043
90%
**10
99%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
[ADI AR 2206H]*
<<locked>>
81%
32909
53%
**10
93%
ADI AR 2207
<<locked>>
81%
48399
78%
**77
100%
[ADI AR 2208]*
<<locked>>
83%
29863
48%
**18
90%
ADI AR 2219
<<locked>>
81%
43221
69%
**97
100%
Accurate 2015
<<locked>>
81%
37463
60%
**59
100%
[Accurate 2200]*
<<locked>>
81%
35070
56%
**10
91%
Accurate 2230
<<locked>>
81%
38812
62%
**98
96%
Accurate 2460
<<locked>>
81%
38537
62%
**05
98%
Accurate 2495
<<locked>>
81%
31662
51%
**26
99%
Accurate 2520
<<locked>>
81%
32256
52%
**33
97%
Accurate 4064
<<locked>>
81%
26643
43%
**11
96%
Alliant AR-Comp
<<locked>>
81%
32909
53%
**49
100%
[Alliant Reloder- TS 15.5]*
<<locked>>
81%
26571
43%
**88
91%
Alliant Reloder-10x
<<locked>>
81%
40988
66%
**24
100%
[Alliant Reloder-15]*
<<locked>>
81%
28935
46%
**41
90%
[Alliant Reloder-17]*
<<locked>>
89%
30052
48%
**03
90%
Alliant Reloder-7
<<locked>>
81%
49545
79%
**90
100%
Baschieri & Pellagri 106
<<locked>>
81%
43279
69%
**08
100%
[Baschieri & Pellagri 107]*
<<locked>>
81%
31879
51%
**96
90%
Hodgdon BL-C2
<<locked>>
81%
32634
52%
**49
95%
Hodgdon Benchmark
<<locked>>
81%
37333
60%
**39
97%
Hodgdon CFE BLK
<<locked>>
81%
48080
77%
**87
98%
[Hodgdon CFE223]*
<<locked>>
85%
32358
52%
**33
90%
Hodgdon H322
<<locked>>
81%
36506
59%
**82
99%
Hodgdon H335
<<locked>>
81%
42395
68%
**90
99%
[Hodgdon H380]*
<<locked>>
87%
32764
53%
**19
90%
Hodgdon H4198
<<locked>>
81%
46528
75%
**47
100%
[Hodgdon Hybrid 100V]*
<<locked>>
94%
28819
46%
**34
90%
[Hodgdon VARGET]*
<<locked>>
83%
29718
48%
**18
90%
IMR 3031
<<locked>>
81%
28993
46%
**77
98%
[IMR 4064]*
<<locked>>
82%
28674
46%
**91
90%
[IMR 4166 Enduron]*
<<locked>>
94%
41379
66%
**05
90%
IMR 4198
<<locked>>
81%
42279
68%
**01
100%
[IMR 4895]*
<<locked>>
81%
29588
47%
**70
91%
IMR 8208 XBR
<<locked>>
81%
34838
56%
**33
95%
Lovex D073.4
<<locked>>
81%
40335
65%
**28
98%
Lovex D073.5
<<locked>>
81%
38145
61%
**98
97%
Lovex D073.6
<<locked>>
81%
30414
49%
**93
96%
[Lovex S060]*
<<locked>>
81%
34243
55%
**70
93%
[Lovex S062]*
<<locked>>
81%
28689
46%
**14
93%
Norma 200
<<locked>>
81%
46369
74%
**83
100%
Norma 201
<<locked>>
81%
32271
52%
**77
95%
Norma 202
<<locked>>
81%
31937
51%
**93
97%
[Norma 203B]*
<<locked>>
81%
28500
46%
**34
91%
[Ramshot Big Game]*
<<locked>>
82%
29312
47%
**57
90%
[Ramshot TAC]*
<<locked>>
81%
35244
57%
**26
90%
[Ramshot Wild Boar]*
<<locked>>
81%
33402
54%
**29
93%
Ramshot X-Terminator
<<locked>>
81%
37985
61%
**72
95%
ReloadSwiss RS 40
<<locked>>
81%
39378
63%
**15
98%
[ReloadSwiss RS 50]*
<<locked>>
91%
38624
62%
**05
90%
[ReloadSwiss RS 52]*
<<locked>>
81%
27079
43%
**31
92%
[ReloadSwiss RS 60]*
<<locked>>
88%
29022
47%
**73
90%
Rottweil R 901
<<locked>>
81%
35824
57%
**36
98%
[Rottweil R 902]*
<<locked>>
81%
30589
49%
**34
94%
[Rottweil R 903]*
<<locked>>
83%
25454
41%
**72
90%
SNPE Vectan BA6 1/2
<<locked>>
81%
49603
80%
**67
100%
SNPE Vectan SP 10
<<locked>>
81%
43497
70%
**00
99%
[SNPE Vectan SP 11]*
<<locked>>
85%
29312
47%
**57
90%
[SNPE Vectan SP 7]*
<<locked>>
82%
33373
54%
**03
90%
[SNPE Vectan SP 9]*
<<locked>>
81%
31517
51%
**80
92%
SNPE Vectan Tubal 3000
<<locked>>
81%
34200
55%
**64
98%
SNPE Vectan Tubal 5000
<<locked>>
81%
27804
45%
**49
97%
Shooters World Match Rifle
<<locked>>
81%
30414
49%
**93
96%
[Shooters World Precision]*
<<locked>>
81%
28689
46%
**14
93%
Shooters World Tactical Rifle
<<locked>>
81%
41727
67%
**21
97%
Somchem S321
<<locked>>
81%
37028
59%
**98
96%
Somchem S335
<<locked>>
81%
33605
54%
**70
98%
[Somchem S341]*
<<locked>>
81%
32285
52%
**90
92%
[Somchem S355]*
<<locked>>
82%
26324
42%
**72
90%
[Somchem S365]*
<<locked>>
93%
26397
42%
**21
90%
Vihtavuori N120
<<locked>>
81%
45382
73%
**95
100%
Vihtavuori N130
<<locked>>
81%
38421
62%
**39
100%
Vihtavuori N133
<<locked>>
81%
31952
51%
**34
99%
Vihtavuori N135
<<locked>>
81%
24613
39%
**29
97%
Vihtavuori N140
<<locked>>
81%
29892
48%
**37
97%
[Vihtavuori N150]*
<<locked>>
83%
23366
37%
**80
90%
[Vihtavuori N160]*
<<locked>>
93%
33243
53%
**29
90%
Vihtavuori N530
<<locked>>
81%
36376
58%
**72
96%
Vihtavuori N540
<<locked>>
81%
29443
47%
**51
96%
[Vihtavuori N550]*
<<locked>>
93%
32837
53%
**62
90%
[Winchester 6.5 StaBALL]*
<<locked>>
90%
29341
47%
**05
90%
Winchester 748
<<locked>>
81%
35708
57%
**05
97%
Winchester StaBALL Match
<<locked>>
81%
38014
61%
**38
96%

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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