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Load data for .338 Lapua Mag. Ackley Improved + .338 | 225gr | Brenneke TOG

Recommended Powder(s):

.338 Lapua Mag. Ackley Improved + .338 | 225gr | Brenneke TOG

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.338 | 225gr | Brenneke TOG
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_B1183_C452
Last updated:
2026-02-13

Load data for 144 loads in caliber .338 Lapua Mag. Ackley Improved with .338 | 225gr | Brenneke TOG bullet and 72 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".

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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>>
90%
62424
90%
**99
100%
ADI AR 2213 👍
<<locked>>
93%
62294
89%
**38
100%
ADI AR 2217
<<locked>>
97%
51822
74%
**71
99%
[ADI AR 2218]*
<<locked>>
97%
45020
65%
**02
93%
ADI AR 2225
<<locked>>
97%
46963
67%
**31
100%
Accurate 3100
<<locked>>
93%
62279
89%
**23
100%
Accurate 4350
<<locked>>
85%
62584
90%
**43
100%
Accurate MAGPRO
<<locked>>
93%
62163
89%
**45
99%
Alliant Reloder-16
<<locked>>
86%
62236
89%
**79
100%
Alliant Reloder-19
<<locked>>
91%
62134
89%
**89
100%
Alliant Reloder-22
<<locked>>
93%
62395
90%
**31
100%
Alliant Reloder-23
<<locked>>
94%
62526
90%
**66
100%
Alliant Reloder-25
<<locked>>
97%
59190
85%
**86
100%
Alliant Reloder-26
<<locked>>
90%
62192
89%
**41
100%
Alliant Reloder-33
<<locked>>
97%
49153
71%
**84
95%
Baschieri & Pellagri 109
<<locked>>
95%
62569
90%
**89
98%
Bofors RP15
<<locked>>
96%
62279
89%
**28
100%
Bofors RP30
<<locked>>
97%
55259
79%
**49
100%
Bofors RP5
<<locked>>
93%
62395
90%
**31
100%
Bofors RP7
<<locked>>
84%
62482
90%
**30
100%
Hodgdon H1000
<<locked>>
97%
51822
74%
**71
99%
Hodgdon H4350
<<locked>>
89%
62540
90%
**36
100%
Hodgdon H4831
<<locked>>
96%
62381
90%
**79
99%
Hodgdon H4831 SC
<<locked>>
92%
62149
89%
**82
99%
Hodgdon Hybrid 100V
<<locked>>
88%
62627
90%
**07
100%
Hodgdon LVR
<<locked>>
84%
62598
90%
**53
100%
Hodgdon Retumbo
<<locked>>
97%
46963
67%
**31
100%
Hodgdon Superperformance
<<locked>>
83%
62410
90%
**09
100%
Hodgdon TrailBoss
<<locked>>
97%
35868
52%
**04
100%
IMR 4350
<<locked>>
87%
62308
89%
**40
100%
IMR 4451 Enduron
<<locked>>
84%
62250
89%
**23
100%
IMR 4831
<<locked>>
90%
62627
90%
**33
100%
IMR 4955 Enduron
<<locked>>
93%
62134
89%
**46
100%
IMR 7828 SSC 👍
<<locked>>
92%
62047
89%
**41
100%
[IMR 7977 Enduron]*
<<locked>>
97%
59480
85%
**71
94%
IMR 8133 Enduron
<<locked>>
97%
43062
62%
**43
97%
Lovex S065
<<locked>>
85%
62105
89%
**10
100%
Lovex S070
<<locked>>
86%
62410
90%
**33
100%
Lovex S071
<<locked>>
97%
58972
85%
**87
100%
Norma 204
<<locked>>
86%
62410
90%
**86
100%
Norma 217
<<locked>>
97%
43265
62%
**66
99%
Norma MRP
<<locked>>
91%
62424
90%
**48
100%
Norma URP
<<locked>>
86%
62381
90%
**49
100%
Ramshot Grand 👍
<<locked>>
90%
61975
89%
**48
100%
Ramshot Hunter
<<locked>>
86%
62149
89%
**69
100%
Ramshot Magnum
<<locked>>
93%
62642
90%
**02
100%
ReloadSwiss RS 14
<<locked>>
96%
36666
53%
**47
100%
ReloadSwiss RS 62
<<locked>>
85%
62163
89%
**63
100%
ReloadSwiss RS 70
<<locked>>
85%
62337
90%
**15
100%
ReloadSwiss RS 76 👍
<<locked>>
97%
59277
85%
**64
100%
ReloadSwiss RS 80
<<locked>>
97%
54520
78%
**66
99%
Rottweil R 904
<<locked>>
90%
62076
89%
**56
100%
Rottweil R 905
<<locked>>
91%
62540
90%
**89
100%
Rottweil R 907
<<locked>>
84%
62482
90%
**30
100%
SNPE Vectan Tubal 7000
<<locked>>
85%
62033
89%
**71
100%
Shooters World Long Rifle
<<locked>>
85%
62105
89%
**10
100%
Somchem S361
<<locked>>
89%
62482
90%
**27
99%
Somchem S365
<<locked>>
87%
62163
89%
**33
100%
Somchem S385
<<locked>>
91%
62613
90%
**59
100%
Vihtavuori N150
<<locked>>
87%
62497
90%
**44
100%
Vihtavuori N160
<<locked>>
84%
62337
90%
**13
100%
Vihtavuori N165
<<locked>>
96%
62091
89%
**36
100%
[Vihtavuori N170]*
<<locked>>
97%
48486
70%
**40
93%
Vihtavuori N550
<<locked>>
83%
62352
90%
**49
100%
Vihtavuori N555
<<locked>>
91%
62366
90%
**59
100%
Vihtavuori N560 👍
<<locked>>
93%
62265
89%
**61
100%
Vihtavuori N565
<<locked>>
97%
61873
89%
**25
100%
Vihtavuori N568
<<locked>>
97%
54911
79%
**66
98%
Vihtavuori N570
<<locked>>
97%
52634
76%
**59
96%
Winchester 6.5 StaBALL
<<locked>>
85%
62236
89%
**71
100%
Winchester StaBALL HD
<<locked>>
94%
62047
89%
**51
100%
Winchester Supreme 780
<<locked>>
90%
62511
90%
**59
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
45556
65%
**23
98%
ADI AR 2213
<<locked>>
81%
40727
58%
**51
96%
[ADI AR 2217]*
<<locked>>
81%
30269
43%
**79
91%
[ADI AR 2218]*
<<locked>>
94%
39929
57%
**84
90%
[ADI AR 2225]*
<<locked>>
81%
27644
40%
**43
93%
Accurate 3100
<<locked>>
81%
41379
59%
**98
99%
Accurate 4350
<<locked>>
81%
54810
79%
**41
100%
[Accurate MAGPRO]*
<<locked>>
81%
40422
58%
**51
94%
Alliant Reloder-16
<<locked>>
81%
52286
75%
**41
100%
Alliant Reloder-19
<<locked>>
81%
45484
65%
**20
98%
Alliant Reloder-22
<<locked>>
81%
41350
59%
**64
98%
Alliant Reloder-23
<<locked>>
81%
40103
58%
**15
100%
Alliant Reloder-25
<<locked>>
81%
34577
50%
**39
99%
Alliant Reloder-26
<<locked>>
81%
44889
64%
**79
100%
[Alliant Reloder-33]*
<<locked>>
89%
37231
53%
**21
90%
[Baschieri & Pellagri 109]*
<<locked>>
81%
40030
58%
**72
92%
Bofors RP15
<<locked>>
81%
38319
55%
**92
96%
[Bofors RP30]*
<<locked>>
81%
31937
46%
**67
93%
Bofors RP5
<<locked>>
81%
41350
59%
**64
98%
Bofors RP7
<<locked>>
81%
56275
81%
**35
100%
[Hodgdon H1000]*
<<locked>>
81%
30269
43%
**79
91%
Hodgdon H4350
<<locked>>
81%
48921
70%
**30
99%
[Hodgdon H4831]*
<<locked>>
81%
38261
55%
**52
94%
Hodgdon H4831 SC
<<locked>>
81%
42656
61%
**51
96%
Hodgdon Hybrid 100V
<<locked>>
81%
49414
71%
**17
100%
Hodgdon LVR
<<locked>>
81%
56826
82%
**81
100%
[Hodgdon Retumbo]*
<<locked>>
81%
27644
40%
**43
93%
Hodgdon Superperformance
<<locked>>
81%
56956
82%
**30
100%
Hodgdon TrailBoss
<<locked>>
81%
28660
41%
**54
100%
IMR 4350
<<locked>>
81%
51474
74%
**76
100%
IMR 4451 Enduron
<<locked>>
81%
57667
83%
**61
100%
IMR 4831
<<locked>>
81%
47036
68%
**00
100%
IMR 4955 Enduron
<<locked>>
81%
42279
61%
**08
96%
IMR 7828 SSC
<<locked>>
81%
41989
60%
**00
97%
[IMR 7977 Enduron]*
<<locked>>
89%
45803
66%
**31
90%
[IMR 8133 Enduron]*
<<locked>>
85%
28863
41%
**85
90%
Lovex S065
<<locked>>
81%
55085
79%
**05
100%
Lovex S070
<<locked>>
81%
53461
77%
**05
100%
Lovex S071
<<locked>>
81%
35636
51%
**74
98%
Norma 204
<<locked>>
81%
52098
75%
**18
99%
[Norma 217]*
<<locked>>
81%
25077
36%
**80
90%
Norma MRP
<<locked>>
81%
43888
63%
**40
99%
Norma URP
<<locked>>
81%
53055
76%
**25
100%
Ramshot Grand
<<locked>>
81%
44222
64%
**49
98%
Ramshot Hunter
<<locked>>
81%
52170
75%
**25
100%
Ramshot Magnum
<<locked>>
81%
38624
55%
**05
98%
ReloadSwiss RS 14
<<locked>>
81%
29399
42%
**96
100%
ReloadSwiss RS 62
<<locked>>
81%
54824
79%
**61
100%
ReloadSwiss RS 70
<<locked>>
81%
53272
77%
**87
100%
ReloadSwiss RS 76
<<locked>>
81%
32851
47%
**33
96%
[ReloadSwiss RS 80]*
<<locked>>
83%
31807
46%
**80
90%
Rottweil R 904
<<locked>>
81%
46673
67%
**00
98%
Rottweil R 905
<<locked>>
81%
44947
65%
**03
98%
Rottweil R 907
<<locked>>
81%
56275
81%
**35
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
53940
77%
**56
100%
Shooters World Long Rifle
<<locked>>
81%
55085
79%
**05
100%
Somchem S361
<<locked>>
81%
47442
68%
**87
97%
Somchem S365
<<locked>>
81%
50792
73%
**76
100%
Somchem S385
<<locked>>
81%
45455
65%
**87
99%
Vihtavuori N150
<<locked>>
81%
52707
76%
**20
100%
Vihtavuori N160
<<locked>>
81%
56927
82%
**38
100%
Vihtavuori N165
<<locked>>
81%
38363
55%
**30
97%
[Vihtavuori N170]*
<<locked>>
91%
40509
58%
**85
90%
Vihtavuori N550
<<locked>>
81%
57682
83%
**90
100%
Vihtavuori N555
<<locked>>
81%
44541
64%
**94
100%
Vihtavuori N560
<<locked>>
81%
41510
60%
**84
96%
[Vihtavuori N565]*
<<locked>>
81%
36027
52%
**39
94%
[Vihtavuori N568]*
<<locked>>
82%
32663
47%
**93
90%
[Vihtavuori N570]*
<<locked>>
88%
38247
55%
**51
90%
Winchester 6.5 StaBALL
<<locked>>
81%
54128
78%
**66
100%
Winchester StaBALL HD
<<locked>>
81%
37246
53%
**54
100%
Winchester Supreme 780
<<locked>>
81%
45614
66%
**87
98%

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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