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

Recommended Powder(s): Alliant Reloder-26, Norma 204, Ramshot Hunter, Vihtavuori N555, Winchester StaBALL HD

.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:
2026-04-03

Load data for 180 loads in caliber .338 Lapua Mag. Ackley Improved with .338 | 185gr | Fox Classic Hunter bullet and 90 powders such as Alliant Reloder-26, Norma 204, Ramshot Hunter, Vihtavuori N555, Winchester StaBALL HD. 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 APS 450
84%
90%
101%
ADI AR 2208
86%
90%
100%
ADI AR 2209
95%
89%
99%
ADI AR 2213
97%
85%
98%
ADI AR 2217
97%
62%
94%
ADI AR 2225
97%
55%
96%
Accurate 2700
86%
89%
100%
Accurate 3100
97%
85%
100%
Accurate 4064
83%
89%
100%
Accurate 4350
90%
89%
100%
Accurate MAGPRO
97%
85%
97%
Alliant Reloder- TS 15.5
85%
90%
100%
Alliant Reloder-16
91%
90%
100%
Alliant Reloder-17
86%
90%
100%
Alliant Reloder-19
96%
89%
99%
Alliant Reloder-22
97%
85%
99%
Alliant Reloder-23
97%
81%
100%
Alliant Reloder-25
97%
69%
100%
Alliant Reloder-26
95%
90%
100%
Baschieri & Pellagri 109
97%
83%
95%
Bofors RP15
97%
78%
98%
Bofors RP3
84%
90%
100%
Bofors RP30
97%
64%
95%
Bofors RP5
97%
85%
99%
Bofors RP7
89%
89%
100%
Hodgdon H1000
97%
62%
94%
Hodgdon H380
84%
90%
100%
Hodgdon H414
86%
89%
100%
Hodgdon H4350
93%
89%
100%
Hodgdon H4831
97%
78%
97%
Hodgdon H4831 SC
97%
89%
98%
Hodgdon Hybrid 100V
93%
90%
100%
Hodgdon LVR
89%
90%
100%
Hodgdon Retumbo
97%
55%
96%
Hodgdon Superperformance
88%
90%
100%
Hodgdon VARGET
86%
90%
100%
Hodgdon TrailBoss
97%
51%
100%
IMR 4064
86%
89%
100%
IMR 4166 Enduron
87%
90%
100%
IMR 4350
92%
90%
100%
IMR 4451 Enduron
88%
90%
100%
IMR 4831
95%
90%
100%
IMR 4955 Enduron
97%
86%
98%
IMR 7828 SSC
97%
88%
99%
Lovex S062
84%
90%
100%
Lovex S065
90%
90%
100%
Lovex S070
90%
89%
100%
Lovex S071
97%
71%
99%
Norma 203B
83%
90%
100%
Norma 204
91%
89%
99%
Norma 217
97%
49%
93%
Norma MRP
96%
90%
100%
Norma URP
91%
90%
100%
Ramshot Grand
95%
90%
99%
Ramshot Hunter
91%
90%
100%
Ramshot Magnum
97%
85%
100%
ReloadSwiss RS 14
97%
52%
100%
ReloadSwiss RS 50
84%
90%
100%
ReloadSwiss RS 60
85%
90%
100%
ReloadSwiss RS 62
90%
89%
100%
ReloadSwiss RS 70
90%
90%
100%
ReloadSwiss RS 76
97%
69%
99%
ReloadSwiss RS 80
97%
62%
93%
Rottweil R 903
86%
90%
100%
Rottweil R 904
95%
90%
99%
Rottweil R 905
96%
90%
99%
Rottweil R 907
89%
89%
100%
SNPE Vectan SP 11
85%
90%
100%
SNPE Vectan Tubal 5000
86%
90%
100%
SNPE Vectan Tubal 7000
90%
89%
100%
Shooters World Long Rifle
90%
90%
100%
Shooters World Precision
84%
90%
100%
Somchem S355
86%
90%
100%
Somchem S361
94%
90%
98%
Somchem S365
93%
90%
100%
Somchem S385
95%
89%
100%
Vihtavuori N133
83%
90%
100%
Vihtavuori N135
88%
90%
100%
Vihtavuori N150
91%
90%
100%
Vihtavuori N160
88%
90%
100%
Vihtavuori N165
97%
78%
99%
Vihtavuori N550
88%
90%
100%
Vihtavuori N555
97%
89%
100%
Vihtavuori N560
97%
86%
98%
Vihtavuori N565
97%
73%
96%
Vihtavuori N568
97%
64%
93%
Winchester 6.5 StaBALL
90%
90%
100%
Winchester 760
86%
89%
100%
Winchester StaBALL HD
97%
77%
100%
Winchester Supreme 780
94%
89%
99%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI APS 450
<<locked>>
81%
59872
86%
**74
100%
ADI AR 2208
<<locked>>
81%
54201
78%
**35
100%
[ADI AR 2209]*
<<locked>>
81%
38189
55%
**82
94%
[ADI AR 2213]*
<<locked>>
82%
35418
51%
**26
90%
[ADI AR 2217]*
<<locked>>
91%
34940
50%
**97
90%
[ADI AR 2225]*
<<locked>>
89%
29254
42%
**75
90%
Accurate 2700
<<locked>>
81%
52446
75%
**66
99%
Accurate 3100
<<locked>>
81%
33547
48%
**35
95%
Accurate 4064
<<locked>>
81%
57827
83%
**51
100%
Accurate 4350
<<locked>>
81%
45498
65%
**27
100%
[Accurate MAGPRO]*
<<locked>>
86%
39537
57%
**44
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
55405
80%
**61
100%
Alliant Reloder-16
<<locked>>
81%
43830
63%
**40
100%
Alliant Reloder-17
<<locked>>
81%
51068
73%
**74
100%
[Alliant Reloder-19]*
<<locked>>
81%
38087
55%
**76
94%
[Alliant Reloder-22]*
<<locked>>
81%
33823
49%
**97
92%
Alliant Reloder-23
<<locked>>
81%
32285
46%
**67
98%
[Alliant Reloder-25]*
<<locked>>
81%
28210
41%
**46
92%
Alliant Reloder-26
<<locked>>
81%
35505
51%
**02
97%
[Baschieri & Pellagri 109]*
<<locked>>
88%
42931
62%
**35
90%
[Bofors RP15]*
<<locked>>
81%
31720
46%
**35
90%
Bofors RP3
<<locked>>
81%
56260
81%
**71
100%
[Bofors RP30]*
<<locked>>
89%
33228
48%
**00
90%
[Bofors RP5]*
<<locked>>
81%
33823
49%
**97
92%
Bofors RP7
<<locked>>
81%
48631
70%
**46
98%
[Hodgdon H1000]*
<<locked>>
91%
34940
50%
**97
90%
Hodgdon H380
<<locked>>
81%
56333
81%
**94
100%
Hodgdon H414
<<locked>>
81%
51909
75%
**68
99%
Hodgdon H4350
<<locked>>
81%
41829
60%
**22
96%
[Hodgdon H4831]*
<<locked>>
84%
35810
51%
**00
90%
[Hodgdon H4831 SC]*
<<locked>>
81%
36056
52%
**00
90%
Hodgdon Hybrid 100V
<<locked>>
81%
41191
59%
**15
100%
Hodgdon LVR
<<locked>>
81%
48182
69%
**92
100%
[Hodgdon Retumbo]*
<<locked>>
89%
29254
42%
**75
90%
Hodgdon Superperformance
<<locked>>
81%
47369
68%
**02
98%
Hodgdon VARGET
<<locked>>
81%
53780
77%
**28
100%
Hodgdon TrailBoss
<<locked>>
81%
28007
40%
**08
100%
IMR 4064
<<locked>>
81%
53243
76%
**15
100%
IMR 4166 Enduron
<<locked>>
81%
51750
74%
**82
99%
IMR 4350
<<locked>>
81%
44063
63%
**61
97%
IMR 4451 Enduron
<<locked>>
81%
50241
72%
**76
99%
IMR 4831
<<locked>>
81%
39276
56%
**82
99%
[IMR 4955 Enduron]*
<<locked>>
81%
35969
52%
**74
91%
[IMR 7828 SSC]*
<<locked>>
81%
34592
50%
**23
90%
Lovex S062
<<locked>>
81%
57203
82%
**61
100%
Lovex S065
<<locked>>
81%
47398
68%
**20
99%
Lovex S070
<<locked>>
81%
45861
66%
**04
98%
[Lovex S071]*
<<locked>>
81%
28587
41%
**90
92%
Norma 203B
<<locked>>
81%
58247
84%
**20
100%
Norma 204
<<locked>>
81%
44048
63%
**94
96%
[Norma 217]*
<<locked>>
93%
29675
43%
**25
90%
[Norma MRP]*
<<locked>>
81%
35375
51%
**69
94%
Norma URP
<<locked>>
81%
44904
65%
**23
99%
[Ramshot Grand]*
<<locked>>
81%
35940
52%
**69
91%
Ramshot Hunter
<<locked>>
81%
43801
63%
**10
98%
[Ramshot Magnum]*
<<locked>>
81%
31241
45%
**12
91%
ReloadSwiss RS 14
<<locked>>
81%
28471
41%
**44
100%
ReloadSwiss RS 50
<<locked>>
81%
56144
81%
**84
100%
ReloadSwiss RS 60
<<locked>>
81%
54317
78%
**30
100%
ReloadSwiss RS 62
<<locked>>
81%
45701
66%
**49
99%
ReloadSwiss RS 70
<<locked>>
81%
44121
63%
**72
99%
[ReloadSwiss RS 76]*
<<locked>>
85%
30211
43%
**31
90%
[ReloadSwiss RS 80]*
<<locked>>
93%
37550
54%
**35
90%
Rottweil R 903
<<locked>>
81%
52968
76%
**15
100%
[Rottweil R 904]*
<<locked>>
81%
39639
57%
**69
93%
[Rottweil R 905]*
<<locked>>
81%
37347
54%
**59
94%
Rottweil R 907
<<locked>>
81%
48631
70%
**46
98%
SNPE Vectan SP 11
<<locked>>
81%
54433
78%
**71
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
53113
76%
**04
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
46659
67%
**61
98%
Shooters World Long Rifle
<<locked>>
81%
47398
68%
**20
99%
Shooters World Precision
<<locked>>
81%
57203
82%
**61
100%
Somchem S355
<<locked>>
81%
52692
76%
**15
100%
[Somchem S361]*
<<locked>>
81%
40393
58%
**59
93%
Somchem S365
<<locked>>
81%
41684
60%
**67
100%
Somchem S385
<<locked>>
81%
37898
54%
**49
95%
Vihtavuori N133
<<locked>>
81%
58740
84%
**69
100%
Vihtavuori N135
<<locked>>
81%
50923
73%
**07
100%
Vihtavuori N150
<<locked>>
81%
45165
65%
**41
100%
Vihtavuori N160
<<locked>>
81%
48370
69%
**49
100%
[Vihtavuori N165]*
<<locked>>
81%
31676
45%
**72
92%
Vihtavuori N550
<<locked>>
81%
49095
71%
**05
100%
Vihtavuori N555
<<locked>>
81%
36303
52%
**49
98%
[Vihtavuori N560]*
<<locked>>
82%
35607
51%
**62
90%
[Vihtavuori N565]*
<<locked>>
86%
34824
50%
**17
90%
[Vihtavuori N568]*
<<locked>>
93%
38943
56%
**54
90%
Winchester 6.5 StaBALL
<<locked>>
81%
45890
66%
**87
100%
Winchester 760
<<locked>>
81%
51909
75%
**68
99%
Winchester StaBALL HD
<<locked>>
81%
27572
40%
**51
98%
[Winchester Supreme 780]*
<<locked>>
81%
37942
54%
**36
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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