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Load data for .338 Lapua Mag. + .338 | 250gr | Rhino Penetrator

Recommended Powder(s): Alliant Reloder-19, Alliant Reloder-22, Alliant Reloder-25, Norma MRP, Ramshot Magnum

.338 Lapua Mag. + .338 | 250gr | Rhino Penetrator

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.338 | 250gr | Rhino Penetrator
Bullet Weight:
250gr | 16.2g
Bullet Diameter:
0.338" | 8.59mm
Bullet Length:
1.519" | 38.6mm
Caliber:
.338 Lapua Mag. load data
Case Length (l3):
2.724" | 69.2mm
Cartridge Length (C.O.L.):
3.626" | 92.1mm
Seated Depth:
0.617" | 15.7mm
Shank Seated Depth:
0.617" | 15.7mm
Case Capacity:
114.0 Grains of Water | 7.40 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
60916 psi | 4200 bar
LID:
LID_B5309_C454
Last updated:
2025-01-01

Load data for 120 loads in caliber .338 Lapua Mag. with .338 | 250gr | Rhino Penetrator bullet and 60 powders such as Alliant Reloder-19, Alliant Reloder-22, Alliant Reloder-25, Norma MRP, Ramshot Magnum. 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 2209
<<locked>>
90%
54302
89%
**94
100%
ADI AR 2213
<<locked>>
94%
54708
90%
**43
99%
ADI AR 2217
<<locked>>
97%
45034
74%
**72
97%
ADI AR 2225
<<locked>>
97%
39943
66%
**33
99%
Accurate 3100
<<locked>>
93%
54766
90%
**48
100%
Accurate 4350
<<locked>>
85%
54723
90%
**61
100%
Accurate MAGPRO
<<locked>>
94%
54795
90%
**59
98%
Alliant Reloder-16
<<locked>>
86%
54795
90%
**97
100%
Alliant Reloder-19 👍
<<locked>>
90%
54592
90%
**00
100%
Alliant Reloder-22 👍
<<locked>>
94%
54737
90%
**36
100%
Alliant Reloder-23
<<locked>>
95%
54404
89%
**87
100%
Alliant Reloder-25 👍
<<locked>>
97%
50459
83%
**03
100%
Alliant Reloder-26
<<locked>>
91%
54520
90%
**66
100%
[Alliant Reloder-33]*
<<locked>>
97%
40843
67%
**59
92%
Hodgdon H1000
<<locked>>
97%
45034
74%
**72
97%
Hodgdon H4350
<<locked>>
88%
54766
90%
**38
100%
Hodgdon H4831
<<locked>>
96%
54563
90%
**84
98%
Hodgdon H4831 SC
<<locked>>
92%
54433
89%
**77
98%
Hodgdon Hybrid 100V
<<locked>>
88%
54549
90%
**18
100%
Hodgdon LVR
<<locked>>
83%
54665
90%
**57
100%
Hodgdon Retumbo
<<locked>>
97%
39943
66%
**33
99%
Hodgdon Superperformance
<<locked>>
83%
54549
90%
**10
100%
IMR 4350
<<locked>>
86%
54694
90%
**41
100%
IMR 4831
<<locked>>
90%
54679
90%
**48
100%
IMR 4955 Enduron
<<locked>>
93%
54317
89%
**44
98%
IMR 7828 SSC
<<locked>>
92%
54592
90%
**46
99%
[IMR 7977 Enduron]*
<<locked>>
97%
53272
87%
**79
92%
IMR 8133 Enduron
<<locked>>
97%
35853
59%
**44
95%
Lovex S065
<<locked>>
84%
54520
90%
**18
100%
Lovex S070
<<locked>>
85%
54650
90%
**41
100%
Lovex S071
<<locked>>
97%
51663
85%
**05
100%
Norma 204
<<locked>>
86%
54737
90%
**84
99%
Norma 217
<<locked>>
97%
35868
59%
**64
97%
Norma MRP 👍
<<locked>>
92%
54737
90%
**62
100%
Norma URP
<<locked>>
85%
54665
90%
**61
100%
Ramshot Hunter
<<locked>>
86%
54795
90%
**87
100%
Ramshot Magnum 👍
<<locked>>
94%
54085
89%
**17
100%
ReloadSwiss RS 14
<<locked>>
96%
36361
60%
**73
100%
ReloadSwiss RS 62
<<locked>>
84%
54433
89%
**74
100%
ReloadSwiss RS 70
<<locked>>
85%
54520
90%
**30
100%
ReloadSwiss RS 76
<<locked>>
97%
49734
82%
**56
100%
ReloadSwiss RS 80
<<locked>>
97%
44570
73%
**31
96%
Rottweil R 904
<<locked>>
89%
54563
90%
**54
99%
Rottweil R 905
<<locked>>
91%
54679
90%
**97
100%
Rottweil R 907
<<locked>>
83%
54172
89%
**15
100%
SNPE Vectan Tubal 7000
<<locked>>
84%
54157
89%
**79
100%
Shooters World Long Rifle
<<locked>>
84%
54520
90%
**18
100%
Somchem S361
<<locked>>
89%
54578
90%
**28
98%
Somchem S365
<<locked>>
87%
54215
89%
**54
100%
Somchem S385
<<locked>>
91%
54766
90%
**64
100%
Vihtavuori N150
<<locked>>
85%
54273
89%
**59
100%
Vihtavuori N160
<<locked>>
83%
54766
90%
**28
100%
Vihtavuori N165
<<locked>>
96%
54317
89%
**48
100%
Vihtavuori N555
<<locked>>
91%
54462
89%
**80
100%
Vihtavuori N560
<<locked>>
93%
54143
89%
**53
99%
Vihtavuori N565
<<locked>>
97%
53185
87%
**23
99%
Vihtavuori N568
<<locked>>
97%
46035
76%
**48
96%
[Vihtavuori N570]*
<<locked>>
97%
44295
73%
**35
93%
Winchester 6.5 StaBALL
<<locked>>
85%
54607
90%
**02
100%
Winchester StaBALL HD
<<locked>>
96%
54505
89%
**99
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
40248
66%
**57
97%
[ADI AR 2213]*
<<locked>>
81%
35882
59%
**82
94%
[ADI AR 2217]*
<<locked>>
84%
29269
48%
**05
90%
[ADI AR 2225]*
<<locked>>
82%
24787
41%
**10
90%
Accurate 3100
<<locked>>
81%
36042
59%
**36
98%
Accurate 4350
<<locked>>
81%
48312
79%
**62
100%
[Accurate MAGPRO]*
<<locked>>
81%
34766
57%
**72
91%
Alliant Reloder-16
<<locked>>
81%
46209
76%
**69
100%
Alliant Reloder-19
<<locked>>
81%
40234
66%
**48
97%
Alliant Reloder-22
<<locked>>
81%
35969
59%
**98
96%
Alliant Reloder-23
<<locked>>
81%
34577
57%
**56
100%
Alliant Reloder-25
<<locked>>
81%
30052
49%
**77
97%
Alliant Reloder-26
<<locked>>
81%
37840
62%
**90
100%
[Alliant Reloder-33]*
<<locked>>
94%
37521
62%
**74
90%
[Hodgdon H1000]*
<<locked>>
84%
29269
48%
**05
90%
Hodgdon H4350
<<locked>>
81%
43801
72%
**64
99%
[Hodgdon H4831]*
<<locked>>
81%
33765
55%
**93
92%
[Hodgdon H4831 SC]*
<<locked>>
81%
37623
62%
**79
94%
Hodgdon Hybrid 100V
<<locked>>
81%
43584
72%
**57
100%
Hodgdon LVR
<<locked>>
81%
50705
83%
**05
100%
[Hodgdon Retumbo]*
<<locked>>
82%
24787
41%
**10
90%
Hodgdon Superperformance
<<locked>>
81%
49734
82%
**44
100%
IMR 4350
<<locked>>
81%
46006
76%
**07
99%
IMR 4831
<<locked>>
81%
41539
68%
**41
100%
[IMR 4955 Enduron]*
<<locked>>
81%
37942
62%
**49
94%
[IMR 7828 SSC]*
<<locked>>
81%
36651
60%
**11
94%
[IMR 7977 Enduron]*
<<locked>>
93%
47210
77%
**80
90%
[IMR 8133 Enduron]*
<<locked>>
89%
28543
47%
**41
90%
Lovex S065
<<locked>>
81%
49617
81%
**43
100%
Lovex S070
<<locked>>
81%
48066
79%
**39
100%
Lovex S071
<<locked>>
81%
31169
51%
**21
97%
Norma 204
<<locked>>
81%
46383
76%
**49
98%
[Norma 217]*
<<locked>>
85%
24918
41%
**52
90%
Norma MRP
<<locked>>
81%
37623
62%
**64
98%
Norma URP
<<locked>>
81%
47326
78%
**49
100%
Ramshot Hunter
<<locked>>
81%
46180
76%
**52
100%
Ramshot Magnum
<<locked>>
81%
33170
54%
**29
96%
ReloadSwiss RS 14
<<locked>>
94%
34911
57%
**47
100%
ReloadSwiss RS 62
<<locked>>
81%
48109
79%
**85
100%
ReloadSwiss RS 70
<<locked>>
81%
46499
76%
**12
100%
[ReloadSwiss RS 76]*
<<locked>>
81%
28326
46%
**60
93%
[ReloadSwiss RS 80]*
<<locked>>
87%
31633
52%
**36
90%
Rottweil R 904
<<locked>>
81%
41539
68%
**34
96%
Rottweil R 905
<<locked>>
81%
39552
65%
**34
97%
Rottweil R 907
<<locked>>
81%
50908
84%
**62
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
48834
80%
**93
100%
Shooters World Long Rifle
<<locked>>
81%
49617
81%
**43
100%
Somchem S361
<<locked>>
81%
42395
70%
**28
96%
Somchem S365
<<locked>>
81%
44164
72%
**07
100%
Somchem S385
<<locked>>
81%
40132
66%
**18
98%
Vihtavuori N150
<<locked>>
81%
47572
78%
**64
100%
Vihtavuori N160
<<locked>>
81%
50807
83%
**69
100%
Vihtavuori N165
<<locked>>
81%
33895
56%
**83
96%
Vihtavuori N555
<<locked>>
81%
38885
64%
**31
100%
[Vihtavuori N560]*
<<locked>>
81%
35940
59%
**05
93%
[Vihtavuori N565]*
<<locked>>
81%
30879
51%
**74
91%
[Vihtavuori N568]*
<<locked>>
87%
32750
54%
**56
90%
[Vihtavuori N570]*
<<locked>>
93%
38334
63%
**10
90%
Winchester 6.5 StaBALL
<<locked>>
81%
47935
79%
**07
100%
Winchester StaBALL HD
<<locked>>
81%
30458
50%
**92
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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