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Load data for .338 Lapua Mag. Ackley Improved + .338 | 175gr | Hammer Hunter

Recommended Powder(s): Alliant Reloder-26, Hodgdon H414, Norma 204, Ramshot Hunter, Winchester 760

.338 Lapua Mag. Ackley Improved + .338 | 175gr | Hammer Hunter

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.338 | 175gr | Hammer Hunter
Manufacturer SKU:
33175HH
Bullet Weight:
175gr | 11.3g
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_B12334_C452
Last updated:
2026-06-01

Load data for 180 loads in caliber .338 Lapua Mag. Ackley Improved with .338 | 175gr | Hammer Hunter bullet and 90 powders such as Alliant Reloder-26, Hodgdon H414, Norma 204, Ramshot Hunter, Winchester 760. 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%
62497
90%
**69
101%
ADI AR 2208
<<locked>>
87%
62497
90%
**35
100%
ADI AR 2209
<<locked>>
97%
62424
90%
**14
99%
ADI AR 2213
<<locked>>
97%
56608
81%
**58
97%
[ADI AR 2217]*
<<locked>>
97%
41437
60%
**23
93%
[ADI AR 2225]*
<<locked>>
97%
37057
53%
**61
94%
Accurate 2700
<<locked>>
84%
62453
90%
**99
99%
Accurate 3100
<<locked>>
97%
56985
82%
**69
100%
Accurate 4064
<<locked>>
84%
62366
90%
**82
100%
Accurate 4350
<<locked>>
91%
62337
90%
**81
100%
Accurate MAGPRO
<<locked>>
97%
59248
85%
**17
97%
Alliant Reloder- TS 15.5
<<locked>>
86%
62555
90%
**32
100%
Alliant Reloder-15
<<locked>>
84%
62613
90%
**68
100%
Alliant Reloder-16
<<locked>>
93%
62149
89%
**30
100%
Alliant Reloder-17
<<locked>>
88%
62308
89%
**27
100%
Alliant Reloder-19
<<locked>>
97%
62613
90%
**17
99%
Alliant Reloder-22
<<locked>>
97%
56420
81%
**51
98%
Alliant Reloder-23
<<locked>>
97%
54070
78%
**79
100%
Alliant Reloder-25
<<locked>>
97%
46383
67%
**00
99%
Alliant Reloder-26 👍
<<locked>>
97%
62410
90%
**83
100%
[Baschieri & Pellagri 109]*
<<locked>>
97%
55564
80%
**36
94%
Bofors RP15
<<locked>>
97%
51692
74%
**63
97%
Bofors RP3
<<locked>>
85%
62250
89%
**32
100%
[Bofors RP30]*
<<locked>>
97%
42699
61%
**95
94%
Bofors RP5
<<locked>>
97%
56420
81%
**51
98%
Bofors RP7
<<locked>>
90%
62265
89%
**32
99%
Hodgdon H1000
<<locked>>
97%
45803
66%
**22
95%
Hodgdon H380
<<locked>>
85%
62294
89%
**45
100%
Hodgdon H414 👍
<<locked>>
90%
62308
90%
**01
100%
Hodgdon H4350
<<locked>>
88%
62192
89%
**71
99%
Hodgdon H4831
<<locked>>
97%
61119
88%
**61
97%
Hodgdon H4831 SC
<<locked>>
97%
59393
85%
**38
97%
Hodgdon Hybrid 100V
<<locked>>
95%
62598
90%
**45
100%
Hodgdon Retumbo
<<locked>>
97%
45324
65%
**33
97%
Hodgdon Superperformance
<<locked>>
89%
62526
90%
**27
100%
Hodgdon TrailBoss
<<locked>>
97%
35157
50%
**11
100%
IMR 4064
<<locked>>
85%
62526
90%
**19
100%
IMR 4166 Enduron
<<locked>>
83%
62468
90%
**22
100%
IMR 4350
<<locked>>
93%
62540
90%
**55
100%
IMR 4451 Enduron
<<locked>>
89%
62076
89%
**41
100%
IMR 4831
<<locked>>
93%
62279
89%
**61
100%
IMR 4955 Enduron
<<locked>>
97%
61656
89%
**45
98%
IMR 7828 SSC
<<locked>>
97%
54244
78%
**19
97%
Lovex S062
<<locked>>
85%
62584
90%
**05
100%
Lovex S065
<<locked>>
90%
62047
89%
**25
100%
Lovex S070
<<locked>>
91%
62047
89%
**41
100%
Lovex S071
<<locked>>
97%
47398
68%
**02
99%
Norma 203B
<<locked>>
84%
62555
90%
**61
100%
Norma 204 👍
<<locked>>
92%
62134
89%
**84
99%
Norma MRP
<<locked>>
97%
60597
87%
**40
100%
Norma URP
<<locked>>
92%
62627
90%
**91
100%
Ramshot Big Game
<<locked>>
83%
62265
89%
**58
100%
Ramshot Grand
<<locked>>
97%
55216
79%
**55
97%
Ramshot Hunter 👍
<<locked>>
92%
62453
90%
**97
100%
Ramshot Magnum
<<locked>>
97%
49545
71%
**97
98%
ReloadSwiss RS 14
<<locked>>
96%
35795
51%
**57
100%
ReloadSwiss RS 50
<<locked>>
85%
62323
90%
**35
100%
ReloadSwiss RS 60
<<locked>>
86%
62511
90%
**27
100%
ReloadSwiss RS 62
<<locked>>
91%
62250
89%
**91
100%
ReloadSwiss RS 70
<<locked>>
92%
62453
90%
**56
100%
ReloadSwiss RS 76
<<locked>>
97%
45585
65%
**20
98%
Rottweil R 902
<<locked>>
84%
62453
90%
**92
100%
Rottweil R 903
<<locked>>
87%
62250
89%
**25
100%
Rottweil R 904
<<locked>>
96%
62395
90%
**68
98%
Rottweil R 905
<<locked>>
97%
61612
88%
**91
99%
Rottweil R 907
<<locked>>
90%
62265
89%
**32
99%
SNPE Vectan SP 11
<<locked>>
86%
62236
89%
**61
100%
SNPE Vectan Tubal 5000
<<locked>>
87%
62250
89%
**87
100%
SNPE Vectan Tubal 7000
<<locked>>
91%
62497
90%
**82
100%
SNPE Vectan Tubal 8000
<<locked>>
97%
61119
88%
**94
99%
Shooters World Long Rifle
<<locked>>
90%
62047
89%
**25
100%
Shooters World Precision
<<locked>>
85%
62584
90%
**05
100%
Somchem S355
<<locked>>
87%
62511
90%
**35
100%
Somchem S361
<<locked>>
95%
62410
90%
**15
98%
Somchem S365
<<locked>>
94%
62482
90%
**78
100%
Somchem S385
<<locked>>
97%
62352
90%
**58
99%
Vihtavuori N135
<<locked>>
85%
62540
90%
**36
100%
Vihtavuori N140
<<locked>>
83%
62569
90%
**46
100%
Vihtavuori N150
<<locked>>
88%
62192
89%
**76
100%
Vihtavuori N160
<<locked>>
91%
62366
90%
**51
100%
Vihtavuori N165
<<locked>>
97%
54447
78%
**23
98%
Vihtavuori N540
<<locked>>
84%
62236
89%
**59
100%
Vihtavuori N550
<<locked>>
91%
62598
90%
**68
100%
Vihtavuori N555
<<locked>>
97%
59857
86%
**64
100%
Vihtavuori N560
<<locked>>
97%
60350
87%
**30
97%
Vihtavuori N565
<<locked>>
97%
48863
70%
**04
95%
Winchester 6.5 StaBALL
<<locked>>
91%
62642
90%
**96
100%
Winchester 760 👍
<<locked>>
90%
62308
90%
**01
100%
Winchester StaBALL HD
<<locked>>
97%
50256
72%
**41
100%
Winchester Supreme 780
<<locked>>
97%
58842
85%
**99
99%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI APS 450
<<locked>>
81%
59756
86%
**26
100%
ADI AR 2208
<<locked>>
81%
52721
76%
**74
100%
[ADI AR 2209]*
<<locked>>
81%
37028
53%
**05
92%
[ADI AR 2213]*
<<locked>>
84%
37057
53%
**28
90%
[ADI AR 2217]*
<<locked>>
93%
36985
53%
**99
90%
[ADI AR 2225]*
<<locked>>
92%
31183
45%
**77
90%
Accurate 2700
<<locked>>
81%
56637
81%
**17
99%
[Accurate 3100]*
<<locked>>
81%
32735
47%
**64
94%
Accurate 4064
<<locked>>
81%
56521
81%
**07
100%
Accurate 4350
<<locked>>
81%
44222
64%
**69
99%
[Accurate MAGPRO]*
<<locked>>
86%
39639
57%
**13
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
53519
77%
**97
100%
Alliant Reloder-15
<<locked>>
81%
57261
82%
**82
100%
Alliant Reloder-16
<<locked>>
81%
42395
61%
**72
99%
Alliant Reloder-17
<<locked>>
81%
49023
70%
**20
100%
[Alliant Reloder-19]*
<<locked>>
81%
36956
53%
**08
92%
[Alliant Reloder-22]*
<<locked>>
81%
32779
47%
**20
90%
Alliant Reloder-23
<<locked>>
81%
31430
45%
**03
97%
[Alliant Reloder-25]*
<<locked>>
81%
27543
40%
**75
91%
Alliant Reloder-26
<<locked>>
81%
34113
49%
**22
96%
[Baschieri & Pellagri 109]*
<<locked>>
91%
45919
66%
**56
90%
[Bofors RP15]*
<<locked>>
83%
33112
48%
**30
90%
Bofors RP3
<<locked>>
81%
54621
78%
**14
100%
[Bofors RP30]*
<<locked>>
91%
34838
50%
**99
90%
[Bofors RP5]*
<<locked>>
81%
32779
47%
**20
90%
Bofors RP7
<<locked>>
81%
47398
68%
**82
97%
[Hodgdon H1000]*
<<locked>>
90%
35476
51%
**62
90%
Hodgdon H380
<<locked>>
81%
54679
79%
**30
100%
Hodgdon H414
<<locked>>
81%
46050
66%
**22
98%
Hodgdon H4350
<<locked>>
81%
48718
70%
**38
97%
[Hodgdon H4831]*
<<locked>>
83%
37666
54%
**99
90%
[Hodgdon H4831 SC]*
<<locked>>
83%
37666
54%
**99
90%
Hodgdon Hybrid 100V
<<locked>>
81%
39914
57%
**54
99%
[Hodgdon Retumbo]*
<<locked>>
88%
33765
48%
**05
90%
Hodgdon Superperformance
<<locked>>
81%
45672
66%
**28
97%
Hodgdon TrailBoss
<<locked>>
81%
27876
40%
**47
100%
IMR 4064
<<locked>>
81%
55535
80%
**14
100%
IMR 4166 Enduron
<<locked>>
81%
57696
83%
**56
99%
IMR 4350
<<locked>>
81%
42844
62%
**94
96%
IMR 4451 Enduron
<<locked>>
81%
48907
70%
**12
98%
IMR 4831
<<locked>>
81%
42119
60%
**17
99%
[IMR 4955 Enduron]*
<<locked>>
81%
37144
53%
**56
90%
[IMR 7828 SSC]*
<<locked>>
85%
36854
53%
**28
90%
Lovex S062
<<locked>>
81%
55738
80%
**07
100%
Lovex S065
<<locked>>
81%
46253
66%
**59
99%
Lovex S070
<<locked>>
81%
44527
64%
**33
97%
[Lovex S071]*
<<locked>>
81%
27934
40%
**30
91%
Norma 203B
<<locked>>
81%
56753
82%
**66
100%
Norma 204
<<locked>>
81%
42772
61%
**27
95%
[Norma MRP]*
<<locked>>
81%
34156
49%
**92
93%
Norma URP
<<locked>>
81%
43352
62%
**49
99%
Ramshot Big Game
<<locked>>
81%
57812
83%
**86
100%
[Ramshot Grand]*
<<locked>>
86%
36535
52%
**31
90%
Ramshot Hunter
<<locked>>
81%
42337
61%
**43
97%
[Ramshot Magnum]*
<<locked>>
84%
31270
45%
**61
90%
ReloadSwiss RS 14
<<locked>>
81%
28529
41%
**90
100%
ReloadSwiss RS 50
<<locked>>
81%
54650
78%
**20
99%
ReloadSwiss RS 60
<<locked>>
81%
51866
74%
**66
100%
ReloadSwiss RS 62
<<locked>>
81%
44150
63%
**82
99%
ReloadSwiss RS 70
<<locked>>
81%
42569
61%
**99
99%
[ReloadSwiss RS 76]*
<<locked>>
87%
31633
45%
**20
90%
Rottweil R 902
<<locked>>
81%
57595
83%
**20
100%
Rottweil R 903
<<locked>>
81%
51343
74%
**54
100%
[Rottweil R 904]*
<<locked>>
81%
38479
55%
**95
92%
[Rottweil R 905]*
<<locked>>
81%
36056
52%
**82
92%
Rottweil R 907
<<locked>>
81%
47398
68%
**82
97%
SNPE Vectan SP 11
<<locked>>
81%
52823
76%
**17
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
51634
74%
**49
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
45295
65%
**00
97%
[SNPE Vectan Tubal 8000]*
<<locked>>
81%
35723
51%
**82
92%
Shooters World Long Rifle
<<locked>>
81%
46253
66%
**59
99%
Shooters World Precision
<<locked>>
81%
55738
80%
**07
100%
Somchem S355
<<locked>>
81%
51271
74%
**58
100%
[Somchem S361]*
<<locked>>
81%
39247
56%
**85
91%
Somchem S365
<<locked>>
81%
40132
58%
**07
100%
[Somchem S385]*
<<locked>>
81%
36825
53%
**76
94%
Vihtavuori N135
<<locked>>
81%
55463
80%
**41
100%
Vihtavuori N140
<<locked>>
81%
58189
84%
**91
100%
Vihtavuori N150
<<locked>>
81%
49066
70%
**72
100%
Vihtavuori N160
<<locked>>
81%
44918
65%
**59
99%
[Vihtavuori N165]*
<<locked>>
81%
31691
46%
**25
91%
Vihtavuori N540
<<locked>>
81%
56507
81%
**77
100%
Vihtavuori N550
<<locked>>
81%
44367
64%
**59
99%
Vihtavuori N555
<<locked>>
81%
35056
50%
**89
97%
[Vihtavuori N560]*
<<locked>>
83%
37652
54%
**61
90%
[Vihtavuori N565]*
<<locked>>
89%
36695
53%
**31
90%
Winchester 6.5 StaBALL
<<locked>>
81%
44251
64%
**20
100%
Winchester 760
<<locked>>
81%
46050
66%
**22
98%
Winchester StaBALL HD
<<locked>>
81%
26165
38%
**74
97%
[Winchester Supreme 780]*
<<locked>>
81%
33504
48%
**84
91%

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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