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Load data for .338 Lapua Mag. + .338 | 255gr | AERO SOLR,- smax:19.50

Recommended Powder(s): ADI AR 2209, Alliant Reloder-19, Norma MRP, Rottweil R 905, Somchem S385

.338 Lapua Mag. + .338 | 255gr | AERO SOLR,- smax:19.50

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.338 | 255gr | AERO SOLR,- smax:19.50
Bullet Weight:
255gr | 16.5g
Bullet Diameter:
0.338" | 8.59mm
Bullet Length:
1.772" | 45.0mm
Caliber:
.338 Lapua Mag. load data
Case Length (l3):
2.724" | 69.2mm
Cartridge Length (C.O.L.):
3.626" | 92.1mm
Seated Depth:
0.870" | 22.1mm
Shank Seated Depth:
0.870" | 22.1mm
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_B94_C454
Last updated:
2025-01-01

Load data for 124 loads in caliber .338 Lapua Mag. with .338 | 255gr | AERO SOLR,- smax:19.50 bullet and 62 powders such as ADI AR 2209, Alliant Reloder-19, Norma MRP, Rottweil R 905, Somchem S385. 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>>
92%
54563
90%
**61
99%
ADI AR 2213
<<locked>>
95%
54404
89%
**03
99%
ADI AR 2217
<<locked>>
97%
41379
68%
**70
96%
ADI AR 2225
<<locked>>
97%
37014
61%
**41
98%
Accurate 3100
<<locked>>
96%
54273
89%
**15
100%
Accurate 4350
<<locked>>
87%
54273
89%
**25
100%
Accurate MAGPRO
<<locked>>
96%
54621
90%
**20
98%
Alliant Reloder-16
<<locked>>
88%
54781
90%
**64
100%
Alliant Reloder-17
<<locked>>
83%
54346
89%
**54
100%
Alliant Reloder-19 👍
<<locked>>
92%
54244
89%
**61
99%
Alliant Reloder-22
<<locked>>
96%
54607
90%
**03
100%
Alliant Reloder-23
<<locked>>
97%
54128
89%
**57
100%
Alliant Reloder-25
<<locked>>
97%
46485
76%
**02
100%
Alliant Reloder-26
<<locked>>
93%
54781
90%
**43
100%
Hodgdon H1000
<<locked>>
97%
41379
68%
**70
96%
Hodgdon H4350
<<locked>>
90%
54766
90%
**05
100%
Hodgdon H4831
<<locked>>
97%
52475
86%
**15
98%
Hodgdon H4831 SC
<<locked>>
94%
54433
89%
**41
98%
Hodgdon Hybrid 100V
<<locked>>
90%
54070
89%
**82
100%
Hodgdon LVR
<<locked>>
85%
54578
90%
**28
100%
Hodgdon Retumbo
<<locked>>
97%
37014
61%
**41
98%
Hodgdon Superperformance
<<locked>>
86%
54621
90%
**84
100%
IMR 4166 Enduron
<<locked>>
83%
54781
90%
**69
100%
IMR 4350
<<locked>>
88%
54621
90%
**05
100%
IMR 4451 Enduron
<<locked>>
84%
54186
89%
**79
100%
IMR 4831
<<locked>>
92%
54505
89%
**15
100%
IMR 4955 Enduron
<<locked>>
95%
54781
90%
**12
98%
IMR 7828 SSC
<<locked>>
95%
54563
90%
**13
99%
[IMR 8133 Enduron]*
<<locked>>
97%
32779
54%
**43
93%
Lovex S065
<<locked>>
86%
54708
90%
**85
100%
Lovex S070
<<locked>>
87%
54563
90%
**05
100%
Lovex S071
<<locked>>
97%
47137
77%
**07
100%
Norma 204
<<locked>>
88%
54708
90%
**44
99%
Norma 217
<<locked>>
97%
32518
53%
**59
96%
Norma MRP 👍
<<locked>>
94%
54810
90%
**33
100%
Norma URP
<<locked>>
87%
54447
89%
**31
100%
Ramshot Hunter
<<locked>>
88%
54810
90%
**51
100%
Ramshot Magnum
<<locked>>
96%
54592
90%
**90
100%
ReloadSwiss RS 60
<<locked>>
84%
54404
89%
**80
100%
ReloadSwiss RS 62
<<locked>>
87%
54607
90%
**48
100%
ReloadSwiss RS 70
<<locked>>
88%
54694
90%
**97
100%
ReloadSwiss RS 76
<<locked>>
97%
45382
75%
**44
100%
ReloadSwiss RS 80
<<locked>>
97%
40495
66%
**26
95%
Rottweil R 904
<<locked>>
91%
54679
90%
**21
99%
Rottweil R 905 👍
<<locked>>
93%
54723
90%
**67
100%
Rottweil R 907
<<locked>>
85%
54462
89%
**82
100%
SNPE Vectan Tubal 7000
<<locked>>
86%
54404
89%
**46
100%
Shooters World Long Rifle
<<locked>>
86%
54708
90%
**85
100%
Somchem S361
<<locked>>
91%
54665
90%
**92
98%
Somchem S365
<<locked>>
89%
54143
89%
**21
100%
Somchem S385 👍
<<locked>>
93%
54491
89%
**25
100%
Vihtavuori N135
<<locked>>
83%
54317
89%
**80
100%
Vihtavuori N150
<<locked>>
87%
54273
89%
**23
100%
Vihtavuori N160
<<locked>>
85%
54157
89%
**92
100%
Vihtavuori N165
<<locked>>
97%
52533
86%
**85
100%
Vihtavuori N550
<<locked>>
85%
54389
89%
**25
100%
Vihtavuori N555
<<locked>>
94%
54810
90%
**57
100%
Vihtavuori N560
<<locked>>
96%
54752
90%
**23
99%
Vihtavuori N565
<<locked>>
97%
48892
80%
**18
98%
Vihtavuori N568
<<locked>>
97%
42525
70%
**52
95%
Winchester 6.5 StaBALL
<<locked>>
87%
54346
89%
**62
100%
Winchester StaBALL HD
<<locked>>
97%
50691
83%
**20
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
37565
62%
**69
96%
[ADI AR 2213]*
<<locked>>
81%
33257
55%
**87
92%
[ADI AR 2217]*
<<locked>>
87%
29675
49%
**95
90%
[ADI AR 2225]*
<<locked>>
85%
24743
41%
**90
90%
Accurate 3100
<<locked>>
81%
32764
54%
**41
97%
Accurate 4350
<<locked>>
81%
44527
73%
**74
100%
[Accurate MAGPRO]*
<<locked>>
82%
32938
54%
**06
90%
Alliant Reloder-16
<<locked>>
81%
43004
71%
**84
100%
Alliant Reloder-17
<<locked>>
81%
50009
82%
**98
100%
Alliant Reloder-19
<<locked>>
81%
37318
61%
**59
96%
[Alliant Reloder-22]*
<<locked>>
81%
32909
54%
**00
94%
Alliant Reloder-23
<<locked>>
81%
31633
52%
**70
100%
Alliant Reloder-25
<<locked>>
81%
27557
45%
**85
96%
Alliant Reloder-26
<<locked>>
81%
34345
56%
**92
99%
[Hodgdon H1000]*
<<locked>>
87%
29675
49%
**95
90%
Hodgdon H4350
<<locked>>
81%
41162
68%
**82
98%
[Hodgdon H4831]*
<<locked>>
81%
31299
51%
**01
91%
[Hodgdon H4831 SC]*
<<locked>>
81%
34867
57%
**87
93%
Hodgdon Hybrid 100V
<<locked>>
81%
40437
66%
**75
100%
Hodgdon LVR
<<locked>>
81%
47268
78%
**16
100%
[Hodgdon Retumbo]*
<<locked>>
85%
24743
41%
**90
90%
Hodgdon Superperformance
<<locked>>
81%
46166
76%
**49
99%
IMR 4166 Enduron
<<locked>>
81%
51227
84%
**16
100%
IMR 4350
<<locked>>
81%
43424
71%
**21
99%
IMR 4451 Enduron
<<locked>>
81%
49530
81%
**13
100%
IMR 4831
<<locked>>
81%
38624
63%
**56
100%
[IMR 4955 Enduron]*
<<locked>>
81%
35404
58%
**67
93%
[IMR 7828 SSC]*
<<locked>>
81%
34026
56%
**20
93%
[IMR 8133 Enduron]*
<<locked>>
93%
28877
47%
**34
90%
Lovex S065
<<locked>>
81%
46659
77%
**61
100%
Lovex S070
<<locked>>
81%
44918
74%
**48
99%
Lovex S071
<<locked>>
81%
27978
46%
**26
95%
Norma 204
<<locked>>
81%
43192
71%
**54
98%
[Norma 217]*
<<locked>>
89%
24758
41%
**29
90%
Norma MRP
<<locked>>
81%
34374
56%
**62
97%
Norma URP
<<locked>>
81%
43903
72%
**64
100%
Ramshot Hunter
<<locked>>
81%
42830
70%
**67
99%
[Ramshot Magnum]*
<<locked>>
81%
30313
50%
**31
94%
ReloadSwiss RS 60
<<locked>>
81%
48066
79%
**89
100%
ReloadSwiss RS 62
<<locked>>
81%
44686
73%
**03
100%
ReloadSwiss RS 70
<<locked>>
81%
43091
71%
**16
100%
[ReloadSwiss RS 76]*
<<locked>>
81%
25846
42%
**46
91%
[ReloadSwiss RS 80]*
<<locked>>
90%
31792
52%
**23
90%
Rottweil R 904
<<locked>>
81%
39001
64%
**49
95%
Rottweil R 905
<<locked>>
81%
36608
60%
**46
96%
Rottweil R 907
<<locked>>
81%
47964
79%
**90
99%
SNPE Vectan Tubal 7000
<<locked>>
81%
45614
75%
**11
99%
Shooters World Long Rifle
<<locked>>
81%
46659
77%
**61
100%
Somchem S361
<<locked>>
81%
39407
65%
**39
95%
Somchem S365
<<locked>>
81%
40785
67%
**31
100%
Somchem S385
<<locked>>
81%
36941
61%
**26
97%
Vihtavuori N135
<<locked>>
81%
50575
83%
**31
100%
Vihtavuori N150
<<locked>>
81%
44512
73%
**88
100%
Vihtavuori N160
<<locked>>
81%
47543
78%
**97
100%
[Vihtavuori N165]*
<<locked>>
81%
30922
51%
**88
94%
Vihtavuori N550
<<locked>>
81%
48037
79%
**30
100%
Vihtavuori N555
<<locked>>
81%
35433
58%
**39
100%
[Vihtavuori N560]*
<<locked>>
81%
33127
54%
**16
92%
[Vihtavuori N565]*
<<locked>>
82%
28964
48%
**05
90%
[Vihtavuori N568]*
<<locked>>
90%
33083
54%
**39
90%
Winchester 6.5 StaBALL
<<locked>>
81%
44672
73%
**34
100%
Winchester StaBALL HD
<<locked>>
81%
26672
44%
**74
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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