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Load data for .338 Lapua Mag. Ackley Improved + .338 | 225gr | AERO SOLR,- smax:21.55

Recommended Powder(s):

.338 Lapua Mag. Ackley Improved + .338 | 225gr | AERO SOLR,- smax:21.55

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.338 | 225gr | AERO SOLR,- smax:21.55
Bullet Weight:
225gr | 14.6g
Bullet Diameter:
0.338" | 8.59mm
Bullet Length:
<<locked>>
Caliber:
.338 Lapua Mag. Ackley Improved load data
Case Length (l3):
2.724" | 69.2mm
Cartridge Length (C.O.L.):
<<locked>>
Seated Depth:
<<locked>>
Shank Seated Depth:
<<locked>>
Case Capacity:
124.9 Grains of Water | 8.11 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
69618 psi | 4800 bar
LID:
LID_B92_C452
Last updated:
2026-02-13

Load data for 166 loads in caliber .338 Lapua Mag. Ackley Improved with .338 | 225gr | AERO SOLR,- smax:21.55 bullet and 83 powder(s). 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".

  • No data yet

  • 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 APS 450
<<locked>>
83%
62526
90%
**83
100%
ADI AR 2208
<<locked>>
83%
62453
90%
**90
100%
ADI AR 2209
<<locked>>
93%
62613
90%
**99
100%
ADI AR 2213
<<locked>>
96%
62511
90%
**38
100%
ADI AR 2217
<<locked>>
97%
47442
68%
**82
98%
ADI AR 2225
<<locked>>
97%
42496
61%
**43
99%
Accurate 2700
<<locked>>
84%
62062
89%
**67
100%
Accurate 3100
<<locked>>
96%
62511
90%
**23
100%
Accurate 4350
<<locked>>
87%
62192
89%
**40
100%
Accurate MAGPRO
<<locked>>
96%
62352
90%
**41
99%
Alliant Reloder-16
<<locked>>
89%
62555
90%
**79
100%
Alliant Reloder-17
<<locked>>
84%
62163
89%
**72
100%
Alliant Reloder-19
<<locked>>
93%
62323
90%
**89
100%
Alliant Reloder-22 👍
<<locked>>
96%
62410
90%
**18
100%
Alliant Reloder-23
<<locked>>
97%
61888
89%
**53
100%
Alliant Reloder-25
<<locked>>
97%
53882
77%
**20
100%
Alliant Reloder-26
<<locked>>
92%
62381
90%
**45
100%
[Alliant Reloder-33]*
<<locked>>
97%
44034
63%
**76
93%
Baschieri & Pellagri 109
<<locked>>
97%
61960
89%
**66
98%
Bofors RP15
<<locked>>
97%
59611
86%
**86
100%
Bofors RP30
<<locked>>
97%
50169
72%
**58
99%
Bofors RP5 👍
<<locked>>
96%
62410
90%
**18
100%
Bofors RP7
<<locked>>
86%
62540
90%
**20
100%
Hodgdon H1000
<<locked>>
97%
47442
68%
**82
98%
Hodgdon H414
<<locked>>
84%
62424
90%
**72
100%
Hodgdon H4350
<<locked>>
91%
62250
89%
**30
100%
Hodgdon H4831
<<locked>>
97%
59582
86%
**40
99%
Hodgdon H4831 SC
<<locked>>
94%
62468
90%
**76
99%
Hodgdon Hybrid 100V
<<locked>>
91%
62497
90%
**97
100%
Hodgdon LVR
<<locked>>
86%
62091
89%
**46
100%
Hodgdon Retumbo
<<locked>>
97%
42496
61%
**43
99%
Hodgdon Superperformance
<<locked>>
85%
62047
89%
**92
100%
Hodgdon VARGET
<<locked>>
83%
62453
90%
**90
100%
Hodgdon TrailBoss
<<locked>>
97%
35578
51%
**85
100%
IMR 4064
<<locked>>
84%
62468
90%
**81
100%
IMR 4166 Enduron
<<locked>>
85%
62207
89%
**97
100%
IMR 4350
<<locked>>
89%
62366
90%
**30
100%
IMR 4451 Enduron
<<locked>>
85%
62178
89%
**13
100%
IMR 4831
<<locked>>
92%
62511
90%
**23
100%
IMR 4955 Enduron
<<locked>>
96%
62308
89%
**40
99%
IMR 7828 SSC 👍
<<locked>>
94%
62497
90%
**41
100%
[IMR 7977 Enduron]*
<<locked>>
97%
55579
80%
**99
93%
IMR 8133 Enduron
<<locked>>
97%
38000
55%
**38
95%
Lovex S065
<<locked>>
87%
62047
89%
**04
100%
Lovex S070
<<locked>>
88%
62337
90%
**33
100%
Lovex S071
<<locked>>
97%
54389
78%
**15
100%
Norma 204
<<locked>>
88%
62294
89%
**72
100%
Norma 217
<<locked>>
97%
38319
55%
**67
98%
Norma MRP 👍
<<locked>>
93%
62308
90%
**38
100%
Norma URP
<<locked>>
88%
62207
89%
**49
100%
Ramshot Grand 👍
<<locked>>
92%
62120
89%
**45
100%
Ramshot Hunter
<<locked>>
89%
62163
89%
**72
100%
Ramshot Magnum
<<locked>>
96%
62569
90%
**99
100%
ReloadSwiss RS 14
<<locked>>
97%
36492
52%
**31
100%
ReloadSwiss RS 62
<<locked>>
87%
62120
89%
**59
100%
ReloadSwiss RS 70
<<locked>>
87%
62062
89%
**05
100%
ReloadSwiss RS 76
<<locked>>
97%
53606
77%
**89
100%
ReloadSwiss RS 80
<<locked>>
97%
48631
70%
**64
97%
Rottweil R 903
<<locked>>
83%
62250
89%
**87
100%
Rottweil R 904
<<locked>>
92%
62294
89%
**53
100%
Rottweil R 905
<<locked>>
93%
62062
89%
**79
100%
Rottweil R 907
<<locked>>
86%
62540
90%
**20
100%
SNPE Vectan Tubal 5000
<<locked>>
84%
62511
90%
**59
100%
SNPE Vectan Tubal 7000
<<locked>>
87%
62120
89%
**64
100%
Shooters World Long Rifle
<<locked>>
87%
62047
89%
**04
100%
Somchem S355
<<locked>>
84%
62163
89%
**84
100%
Somchem S361
<<locked>>
91%
62410
90%
**17
99%
Somchem S365
<<locked>>
89%
61989
89%
**33
100%
Somchem S385
<<locked>>
93%
62366
90%
**49
100%
Vihtavuori N135
<<locked>>
85%
62178
89%
**85
100%
Vihtavuori N150
<<locked>>
89%
62308
89%
**38
100%
Vihtavuori N160
<<locked>>
86%
62410
90%
**07
100%
Vihtavuori N165
<<locked>>
97%
59770
86%
**00
100%
Vihtavuori N550
<<locked>>
86%
62120
89%
**46
100%
Vihtavuori N555
<<locked>>
94%
62540
90%
**66
100%
Vihtavuori N560
<<locked>>
95%
62410
90%
**51
99%
Vihtavuori N565
<<locked>>
97%
56275
81%
**33
99%
Vihtavuori N568
<<locked>>
97%
49922
72%
**81
97%
[Vihtavuori N570]*
<<locked>>
97%
47369
68%
**61
94%
Winchester 6.5 StaBALL
<<locked>>
87%
62439
90%
**74
100%
Winchester 760
<<locked>>
84%
62424
90%
**72
100%
Winchester StaBALL HD
<<locked>>
97%
61598
88%
**58
100%
Winchester Supreme 780
<<locked>>
92%
62424
90%
**43
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI APS 450
<<locked>>
81%
60234
87%
**51
100%
ADI AR 2208
<<locked>>
81%
58450
84%
**44
100%
ADI AR 2209
<<locked>>
81%
42090
60%
**57
97%
[ADI AR 2213]*
<<locked>>
81%
37449
54%
**75
94%
[ADI AR 2217]*
<<locked>>
84%
30197
43%
**75
90%
[ADI AR 2225]*
<<locked>>
81%
25164
36%
**57
90%
Accurate 2700
<<locked>>
81%
56565
81%
**95
100%
Accurate 3100
<<locked>>
81%
37434
54%
**16
98%
Accurate 4350
<<locked>>
81%
50415
72%
**69
100%
[Accurate MAGPRO]*
<<locked>>
81%
36637
53%
**62
92%
Alliant Reloder-16
<<locked>>
81%
48385
70%
**79
100%
Alliant Reloder-17
<<locked>>
81%
56318
81%
**90
100%
Alliant Reloder-19
<<locked>>
81%
42032
60%
**44
97%
Alliant Reloder-22
<<locked>>
81%
37637
54%
**85
96%
Alliant Reloder-23
<<locked>>
81%
36303
52%
**43
100%
Alliant Reloder-25
<<locked>>
81%
31372
45%
**54
97%
Alliant Reloder-26
<<locked>>
81%
40350
58%
**97
100%
[Alliant Reloder-33]*
<<locked>>
93%
37942
55%
**38
90%
[Baschieri & Pellagri 109]*
<<locked>>
81%
37246
54%
**03
90%
Bofors RP15
<<locked>>
81%
34954
50%
**20
95%
[Bofors RP30]*
<<locked>>
81%
28529
41%
**72
90%
Bofors RP5
<<locked>>
81%
37637
54%
**85
96%
Bofors RP7
<<locked>>
81%
52808
76%
**76
100%
[Hodgdon H1000]*
<<locked>>
84%
30197
43%
**75
90%
Hodgdon H414
<<locked>>
81%
56782
82%
**00
100%
Hodgdon H4350
<<locked>>
81%
45774
66%
**67
99%
[Hodgdon H4831]*
<<locked>>
81%
35186
51%
**74
93%
[Hodgdon H4831 SC]*
<<locked>>
81%
39291
56%
**72
94%
Hodgdon Hybrid 100V
<<locked>>
81%
45585
65%
**64
100%
Hodgdon LVR
<<locked>>
81%
52823
76%
**18
100%
[Hodgdon Retumbo]*
<<locked>>
81%
25164
36%
**57
90%
Hodgdon Superperformance
<<locked>>
81%
52591
76%
**61
100%
Hodgdon VARGET
<<locked>>
81%
57957
83%
**38
100%
Hodgdon TrailBoss
<<locked>>
82%
28747
41%
**44
100%
IMR 4064
<<locked>>
81%
57348
82%
**18
100%
IMR 4166 Enduron
<<locked>>
81%
55651
80%
**05
100%
IMR 4350
<<locked>>
81%
48037
69%
**13
99%
IMR 4451 Enduron
<<locked>>
81%
54186
78%
**02
100%
IMR 4831
<<locked>>
81%
43308
62%
**38
100%
IMR 4955 Enduron
<<locked>>
81%
39291
56%
**36
95%
IMR 7828 SSC
<<locked>>
81%
38334
55%
**05
95%
[IMR 7977 Enduron]*
<<locked>>
92%
47688
68%
**57
90%
[IMR 8133 Enduron]*
<<locked>>
89%
29617
43%
**11
90%
Lovex S065
<<locked>>
81%
51503
74%
**46
100%
Lovex S070
<<locked>>
81%
49908
72%
**36
100%
Lovex S071
<<locked>>
81%
32068
46%
**85
97%
Norma 204
<<locked>>
81%
48370
69%
**46
99%
[Norma 217]*
<<locked>>
85%
25527
37%
**00
90%
Norma MRP
<<locked>>
81%
39639
57%
**51
98%
Norma URP
<<locked>>
81%
49313
71%
**56
100%
Ramshot Grand
<<locked>>
81%
40176
58%
**64
96%
Ramshot Hunter
<<locked>>
81%
48153
69%
**53
100%
Ramshot Magnum
<<locked>>
81%
34925
50%
**20
96%
ReloadSwiss RS 14
<<locked>>
81%
28921
42%
**73
100%
ReloadSwiss RS 62
<<locked>>
81%
50546
73%
**95
100%
ReloadSwiss RS 70
<<locked>>
81%
48907
70%
**15
100%
[ReloadSwiss RS 76]*
<<locked>>
81%
29544
42%
**31
94%
[ReloadSwiss RS 80]*
<<locked>>
86%
32300
46%
**00
90%
Rottweil R 903
<<locked>>
81%
57696
83%
**31
100%
Rottweil R 904
<<locked>>
81%
43308
62%
**35
97%
Rottweil R 905
<<locked>>
81%
41394
59%
**31
97%
Rottweil R 907
<<locked>>
81%
52808
76%
**76
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
57261
82%
**03
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
50473
72%
**97
100%
Shooters World Long Rifle
<<locked>>
81%
51503
74%
**46
100%
Somchem S355
<<locked>>
81%
57145
82%
**18
100%
Somchem S361
<<locked>>
81%
44063
63%
**15
96%
Somchem S365
<<locked>>
81%
46499
67%
**17
100%
Somchem S385
<<locked>>
81%
41713
60%
**08
98%
Vihtavuori N135
<<locked>>
81%
55434
80%
**07
100%
Vihtavuori N150
<<locked>>
81%
49008
70%
**57
100%
Vihtavuori N160
<<locked>>
81%
53098
76%
**82
100%
Vihtavuori N165
<<locked>>
81%
35157
50%
**61
96%
Vihtavuori N550
<<locked>>
81%
53606
77%
**28
100%
Vihtavuori N555
<<locked>>
81%
40509
58%
**21
100%
[Vihtavuori N560]*
<<locked>>
81%
37739
54%
**98
94%
[Vihtavuori N565]*
<<locked>>
81%
32285
46%
**48
92%
[Vihtavuori N568]*
<<locked>>
86%
33678
48%
**23
90%
[Vihtavuori N570]*
<<locked>>
91%
38754
56%
**71
90%
Winchester 6.5 StaBALL
<<locked>>
81%
50241
72%
**10
100%
Winchester 760
<<locked>>
81%
56782
82%
**00
100%
Winchester StaBALL HD
<<locked>>
81%
32590
47%
**66
100%
Winchester Supreme 780
<<locked>>
81%
41901
60%
**15
97%

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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