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Load data for .338 Lapua Mag. Ackley Improved + .338 | 185gr | Fox Classic Hunter

Recommended Powder(s): Alliant Reloder-26, IMR 4350, Norma 204, Norma MRP, Somchem S385

.338 Lapua Mag. Ackley Improved + .338 | 185gr | Fox Classic Hunter

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.338 | 185gr | Fox Classic Hunter
Manufacturer SKU:
8.5 mm (0.338) - 185 gr
Bullet Weight:
185gr | 12.0g
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_B7121_C452
Last updated:
2026-02-13

Load data for 170 loads in caliber .338 Lapua Mag. Ackley Improved with .338 | 185gr | Fox Classic Hunter bullet and 85 powders such as Alliant Reloder-26, IMR 4350, Norma 204, Norma MRP, 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".

  • 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>>
84%
62642
90%
**16
101%
ADI AR 2208
<<locked>>
85%
62410
90%
**53
100%
ADI AR 2209
<<locked>>
95%
62091
89%
**41
99%
ADI AR 2213
<<locked>>
97%
60437
87%
**48
98%
ADI AR 2217
<<locked>>
97%
44092
63%
**30
95%
ADI AR 2225
<<locked>>
97%
39465
57%
**77
97%
Accurate 2700
<<locked>>
86%
62613
90%
**23
100%
Accurate 3100
<<locked>>
97%
60655
87%
**53
100%
Accurate 4350
<<locked>>
89%
62497
90%
**12
100%
Accurate MAGPRO
<<locked>>
97%
60495
87%
**58
97%
Alliant Reloder- TS 15.5
<<locked>>
84%
62453
90%
**63
100%
Alliant Reloder-16
<<locked>>
91%
62627
90%
**61
100%
Alliant Reloder-17
<<locked>>
86%
62511
90%
**45
100%
Alliant Reloder-19
<<locked>>
95%
62294
89%
**48
99%
Alliant Reloder-22
<<locked>>
97%
60263
87%
**48
99%
Alliant Reloder-23
<<locked>>
97%
57841
83%
**59
100%
Alliant Reloder-25
<<locked>>
97%
49559
71%
**97
100%
Alliant Reloder-26 👍
<<locked>>
95%
62207
89%
**01
100%
Baschieri & Pellagri 109
<<locked>>
97%
58378
84%
**46
95%
Bofors RP15
<<locked>>
97%
55347
79%
**66
99%
Bofors RP3
<<locked>>
83%
61989
89%
**53
100%
Bofors RP30
<<locked>>
97%
45948
66%
**05
96%
Bofors RP5
<<locked>>
97%
60263
87%
**48
99%
Bofors RP7
<<locked>>
88%
62627
90%
**82
100%
Hodgdon H1000
<<locked>>
97%
44092
63%
**30
95%
Hodgdon H380
<<locked>>
83%
62526
90%
**79
100%
Hodgdon H414
<<locked>>
86%
62323
90%
**38
100%
Hodgdon H4350
<<locked>>
93%
62120
89%
**76
100%
Hodgdon H4831
<<locked>>
97%
55666
80%
**10
97%
Hodgdon H4831 SC
<<locked>>
96%
62120
89%
**12
98%
Hodgdon Hybrid 100V
<<locked>>
93%
62323
90%
**66
100%
Hodgdon LVR
<<locked>>
88%
62598
90%
**19
100%
Hodgdon Retumbo
<<locked>>
97%
39465
57%
**77
97%
Hodgdon Superperformance
<<locked>>
88%
62540
90%
**61
100%
Hodgdon VARGET
<<locked>>
85%
62410
90%
**53
100%
Hodgdon TrailBoss
<<locked>>
97%
35418
51%
**69
100%
IMR 4064
<<locked>>
85%
62076
89%
**50
100%
IMR 4166 Enduron
<<locked>>
86%
62279
89%
**56
100%
IMR 4350 👍
<<locked>>
91%
62613
90%
**92
100%
IMR 4451 Enduron
<<locked>>
87%
62526
90%
**79
100%
IMR 4831
<<locked>>
94%
62163
89%
**89
100%
IMR 4955 Enduron
<<locked>>
97%
60785
87%
**66
98%
IMR 7828 SSC
<<locked>>
97%
62511
90%
**91
99%
Lovex S065
<<locked>>
89%
62120
89%
**56
100%
Lovex S070
<<locked>>
90%
62395
90%
**82
100%
Lovex S071
<<locked>>
97%
50749
73%
**02
99%
Norma 204 👍
<<locked>>
90%
62337
90%
**19
99%
[Norma 217]*
<<locked>>
97%
35230
51%
**85
94%
Norma MRP 👍
<<locked>>
96%
62642
90%
**10
100%
Norma URP
<<locked>>
90%
62424
90%
**19
100%
Ramshot Grand
<<locked>>
95%
62482
90%
**04
99%
Ramshot Hunter
<<locked>>
91%
62207
89%
**25
100%
Ramshot Magnum
<<locked>>
97%
60292
87%
**22
100%
ReloadSwiss RS 14
<<locked>>
97%
36201
52%
**21
100%
ReloadSwiss RS 50
<<locked>>
84%
62569
90%
**76
100%
ReloadSwiss RS 60
<<locked>>
84%
62381
90%
**38
100%
ReloadSwiss RS 62
<<locked>>
89%
62569
90%
**25
100%
ReloadSwiss RS 70
<<locked>>
90%
62613
90%
**74
100%
ReloadSwiss RS 76
<<locked>>
97%
48965
70%
**40
99%
[ReloadSwiss RS 80]*
<<locked>>
97%
44454
64%
**92
93%
Rottweil R 903
<<locked>>
85%
62308
90%
**53
100%
Rottweil R 904
<<locked>>
94%
62366
90%
**02
99%
Rottweil R 905
<<locked>>
95%
62308
89%
**35
99%
Rottweil R 907
<<locked>>
88%
62627
90%
**82
100%
SNPE Vectan SP 11
<<locked>>
84%
62323
90%
**89
100%
SNPE Vectan Tubal 5000
<<locked>>
86%
62642
90%
**28
100%
SNPE Vectan Tubal 7000
<<locked>>
89%
62091
89%
**14
100%
Shooters World Long Rifle
<<locked>>
89%
62120
89%
**56
100%
Somchem S355
<<locked>>
86%
62555
90%
**59
100%
Somchem S361
<<locked>>
93%
62598
90%
**59
98%
Somchem S365
<<locked>>
92%
62352
90%
**09
100%
Somchem S385 👍
<<locked>>
95%
62250
89%
**92
100%
Vihtavuori N135
<<locked>>
87%
62642
90%
**58
100%
Vihtavuori N150
<<locked>>
91%
62497
90%
**04
100%
Vihtavuori N160
<<locked>>
88%
62105
89%
**63
100%
Vihtavuori N165
<<locked>>
97%
55840
80%
**87
99%
Vihtavuori N550
<<locked>>
87%
62250
89%
**05
100%
Vihtavuori N555
<<locked>>
96%
62366
90%
**35
100%
Vihtavuori N560
<<locked>>
97%
60771
87%
**81
98%
Vihtavuori N565
<<locked>>
97%
52170
75%
**97
97%
[Vihtavuori N568]*
<<locked>>
97%
45803
66%
**18
93%
Winchester 6.5 StaBALL
<<locked>>
89%
62511
90%
**30
100%
Winchester 760
<<locked>>
86%
62323
90%
**38
100%
Winchester StaBALL HD
<<locked>>
97%
55390
80%
**41
100%
Winchester Supreme 780
<<locked>>
94%
62221
89%
**89
99%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI APS 450
<<locked>>
81%
59944
86%
**74
100%
ADI AR 2208
<<locked>>
81%
55187
79%
**51
100%
[ADI AR 2209]*
<<locked>>
81%
39233
56%
**12
94%
[ADI AR 2213]*
<<locked>>
81%
35056
50%
**20
90%
[ADI AR 2217]*
<<locked>>
90%
34954
50%
**03
90%
[ADI AR 2225]*
<<locked>>
88%
29327
42%
**69
90%
Accurate 2700
<<locked>>
81%
53577
77%
**86
99%
Accurate 3100
<<locked>>
81%
35027
50%
**64
96%
Accurate 4350
<<locked>>
81%
47065
68%
**53
100%
[Accurate MAGPRO]*
<<locked>>
85%
39421
57%
**35
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
56594
81%
**71
100%
Alliant Reloder-16
<<locked>>
81%
44962
65%
**69
100%
Alliant Reloder-17
<<locked>>
81%
52301
75%
**97
100%
[Alliant Reloder-19]*
<<locked>>
81%
39218
56%
**99
94%
[Alliant Reloder-22]*
<<locked>>
81%
34925
50%
**23
92%
Alliant Reloder-23
<<locked>>
81%
33533
48%
**00
99%
[Alliant Reloder-25]*
<<locked>>
81%
29225
42%
**82
93%
Alliant Reloder-26
<<locked>>
81%
36753
53%
**35
98%
[Baschieri & Pellagri 109]*
<<locked>>
87%
43091
62%
**35
90%
[Bofors RP15]*
<<locked>>
81%
32532
47%
**54
91%
Bofors RP3
<<locked>>
81%
57798
83%
**00
100%
[Bofors RP30]*
<<locked>>
87%
32953
47%
**94
90%
[Bofors RP5]*
<<locked>>
81%
34925
50%
**23
92%
Bofors RP7
<<locked>>
81%
49835
72%
**59
98%
[Hodgdon H1000]*
<<locked>>
90%
34954
50%
**03
90%
Hodgdon H380
<<locked>>
81%
57682
83%
**07
100%
Hodgdon H414
<<locked>>
81%
53113
76%
**81
99%
Hodgdon H4350
<<locked>>
81%
42772
61%
**31
97%
[Hodgdon H4831]*
<<locked>>
84%
35911
52%
**94
90%
[Hodgdon H4831 SC]*
<<locked>>
81%
36840
53%
**17
91%
Hodgdon Hybrid 100V
<<locked>>
81%
42424
61%
**35
100%
Hodgdon LVR
<<locked>>
81%
49414
71%
**05
100%
[Hodgdon Retumbo]*
<<locked>>
88%
29327
42%
**69
90%
Hodgdon Superperformance
<<locked>>
81%
48573
70%
**31
98%
Hodgdon VARGET
<<locked>>
81%
54766
79%
**48
100%
Hodgdon TrailBoss
<<locked>>
81%
28224
41%
**11
100%
IMR 4064
<<locked>>
81%
54215
78%
**22
100%
IMR 4166 Enduron
<<locked>>
81%
52678
76%
**02
99%
IMR 4350
<<locked>>
81%
45063
65%
**87
97%
IMR 4451 Enduron
<<locked>>
81%
51184
74%
**95
99%
IMR 4831
<<locked>>
81%
40466
58%
**02
99%
[IMR 4955 Enduron]*
<<locked>>
81%
36912
53%
**90
91%
[IMR 7828 SSC]*
<<locked>>
81%
35694
51%
**40
90%
Lovex S065
<<locked>>
81%
48573
70%
**33
99%
Lovex S070
<<locked>>
81%
46920
67%
**17
98%
[Lovex S071]*
<<locked>>
81%
29965
43%
**23
93%
Norma 204
<<locked>>
81%
45092
65%
**20
96%
[Norma 217]*
<<locked>>
92%
29950
43%
**28
90%
Norma MRP
<<locked>>
81%
36637
53%
**02
95%
Norma URP
<<locked>>
81%
46195
66%
**43
100%
[Ramshot Grand]*
<<locked>>
81%
37173
53%
**02
92%
Ramshot Hunter
<<locked>>
81%
44976
65%
**27
99%
[Ramshot Magnum]*
<<locked>>
81%
32372
46%
**48
92%
ReloadSwiss RS 14
<<locked>>
81%
28703
41%
**47
100%
ReloadSwiss RS 50
<<locked>>
81%
57464
83%
**94
100%
ReloadSwiss RS 60
<<locked>>
81%
55448
80%
**40
100%
ReloadSwiss RS 62
<<locked>>
81%
47108
68%
**72
100%
ReloadSwiss RS 70
<<locked>>
81%
45324
65%
**89
99%
[ReloadSwiss RS 76]*
<<locked>>
83%
30023
43%
**25
90%
[ReloadSwiss RS 80]*
<<locked>>
92%
37420
54%
**25
90%
Rottweil R 903
<<locked>>
81%
54172
78%
**38
100%
[Rottweil R 904]*
<<locked>>
81%
40582
58%
**95
94%
[Rottweil R 905]*
<<locked>>
81%
38522
55%
**85
94%
Rottweil R 907
<<locked>>
81%
49835
72%
**59
98%
SNPE Vectan SP 11
<<locked>>
81%
55753
80%
**94
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
54099
78%
**10
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
48008
69%
**90
99%
Shooters World Long Rifle
<<locked>>
81%
48573
70%
**33
99%
Somchem S355
<<locked>>
81%
53853
77%
**25
100%
[Somchem S361]*
<<locked>>
81%
41582
60%
**79
93%
Somchem S365
<<locked>>
81%
42989
62%
**00
100%
Somchem S385
<<locked>>
81%
39291
56%
**79
96%
Vihtavuori N135
<<locked>>
81%
52257
75%
**17
100%
Vihtavuori N150
<<locked>>
81%
46412
67%
**58
100%
Vihtavuori N160
<<locked>>
81%
49487
71%
**76
100%
[Vihtavuori N165]*
<<locked>>
81%
32895
47%
**05
92%
Vihtavuori N550
<<locked>>
81%
50227
72%
**18
100%
Vihtavuori N555
<<locked>>
81%
37710
54%
**82
99%
[Vihtavuori N560]*
<<locked>>
82%
35766
51%
**59
90%
[Vihtavuori N565]*
<<locked>>
85%
34867
50%
**20
90%
[Vihtavuori N568]*
<<locked>>
93%
39030
56%
**51
90%
Winchester 6.5 StaBALL
<<locked>>
81%
46876
67%
**97
100%
Winchester 760
<<locked>>
81%
53113
76%
**81
99%
Winchester StaBALL HD
<<locked>>
81%
28921
42%
**87
99%
[Winchester Supreme 780]*
<<locked>>
81%
38957
56%
**66
94%

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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