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Load data for .338 Lapua Mag. Ackley Improved + .338 | 165gr | TPM XTLD

Recommended Powder(s): Alliant Reloder-26, Hodgdon H414, Ramshot Hunter, ReloadSwiss RS 70, Winchester 760

.338 Lapua Mag. Ackley Improved + .338 | 165gr | TPM XTLD

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.338 | 165gr | TPM XTLD
Manufacturer SKU:
TPM338C165
Bullet Weight:
165gr | 10.7g
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_B12381_C452
Last updated:
2026-06-04

Load data for 180 loads in caliber .338 Lapua Mag. Ackley Improved with .338 | 165gr | TPM XTLD bullet and 90 powders such as Alliant Reloder-26, Hodgdon H414, Ramshot Hunter, ReloadSwiss RS 70, 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%
62555
90%
**57
101%
ADI AR 2208
<<locked>>
87%
62468
90%
**14
100%
ADI AR 2209
<<locked>>
96%
62511
90%
**92
99%
ADI AR 2213
<<locked>>
97%
56594
81%
**20
97%
[ADI AR 2217]*
<<locked>>
97%
41307
59%
**79
92%
[ADI AR 2225]*
<<locked>>
97%
37072
53%
**17
94%
Accurate 2700
<<locked>>
84%
62584
90%
**87
99%
Accurate 3100
<<locked>>
97%
56666
81%
**38
100%
Accurate 4064
<<locked>>
84%
62555
90%
**68
100%
Accurate 4350
<<locked>>
91%
62279
89%
**53
100%
Accurate MAGPRO
<<locked>>
97%
59785
86%
**96
96%
Alliant Reloder- TS 15.5
<<locked>>
86%
61989
89%
**17
100%
Alliant Reloder-15
<<locked>>
84%
62279
89%
**46
100%
Alliant Reloder-16
<<locked>>
93%
62279
89%
**09
100%
Alliant Reloder-17
<<locked>>
88%
62439
90%
**06
100%
Alliant Reloder-19
<<locked>>
97%
62468
90%
**92
99%
Alliant Reloder-22
<<locked>>
97%
56405
81%
**30
98%
Alliant Reloder-23
<<locked>>
97%
53940
77%
**55
100%
Alliant Reloder-25
<<locked>>
97%
46514
67%
**73
99%
Alliant Reloder-26 👍
<<locked>>
96%
62221
89%
**55
100%
[Baschieri & Pellagri 109]*
<<locked>>
97%
55535
80%
**12
93%
Bofors RP15
<<locked>>
97%
51706
74%
**41
97%
Bofors RP3
<<locked>>
85%
62439
90%
**14
100%
[Bofors RP30]*
<<locked>>
97%
42699
61%
**61
93%
Bofors RP5
<<locked>>
97%
56405
81%
**30
98%
Bofors RP7
<<locked>>
90%
62468
90%
**17
99%
Hodgdon H1000
<<locked>>
97%
45774
66%
**91
95%
Hodgdon H380
<<locked>>
85%
62250
89%
**37
100%
Hodgdon H414 👍
<<locked>>
90%
62352
90%
**83
100%
Hodgdon H4350
<<locked>>
89%
62627
90%
**56
99%
Hodgdon H4831
<<locked>>
97%
61192
88%
**40
97%
Hodgdon H4831 SC
<<locked>>
97%
59379
85%
**04
97%
Hodgdon Hybrid 100V
<<locked>>
94%
62323
90%
**17
100%
Hodgdon Retumbo
<<locked>>
97%
45324
65%
**89
96%
Hodgdon Superperformance
<<locked>>
89%
62424
90%
**02
100%
Hodgdon TrailBoss
<<locked>>
96%
34969
50%
**80
100%
IMR 4064
<<locked>>
85%
62526
90%
**14
100%
IMR 4166 Enduron
<<locked>>
83%
62192
89%
**01
100%
IMR 4350
<<locked>>
93%
62642
90%
**27
99%
IMR 4451 Enduron
<<locked>>
89%
62584
90%
**27
100%
IMR 4831
<<locked>>
93%
62395
90%
**33
100%
IMR 4955 Enduron
<<locked>>
97%
62149
89%
**27
97%
IMR 7828 SSC
<<locked>>
97%
54259
78%
**97
96%
Lovex S062
<<locked>>
85%
62395
90%
**84
100%
Lovex S065
<<locked>>
91%
62366
90%
**10
100%
Lovex S070
<<locked>>
92%
62555
90%
**30
100%
Lovex S071
<<locked>>
97%
47137
68%
**64
98%
Norma 203B
<<locked>>
84%
62062
89%
**33
100%
Norma 204
<<locked>>
92%
62395
90%
**73
99%
Norma MRP
<<locked>>
97%
60727
87%
**28
100%
Norma URP
<<locked>>
92%
62468
90%
**69
100%
Ramshot Big Game
<<locked>>
83%
62337
90%
**33
100%
Ramshot Grand
<<locked>>
97%
54940
79%
**20
97%
Ramshot Hunter 👍
<<locked>>
92%
62497
90%
**83
100%
Ramshot Magnum
<<locked>>
97%
49501
71%
**69
97%
ReloadSwiss RS 14
<<locked>>
97%
35897
52%
**33
100%
ReloadSwiss RS 50
<<locked>>
85%
62265
89%
**23
100%
ReloadSwiss RS 60
<<locked>>
86%
62366
90%
**06
100%
ReloadSwiss RS 62
<<locked>>
91%
62091
89%
**69
100%
ReloadSwiss RS 70 👍
<<locked>>
92%
62468
90%
**38
100%
ReloadSwiss RS 76
<<locked>>
97%
45542
65%
**82
97%
Rottweil R 902
<<locked>>
84%
62627
90%
**81
100%
Rottweil R 903
<<locked>>
87%
62424
90%
**07
100%
Rottweil R 904
<<locked>>
96%
62308
90%
**30
98%
Rottweil R 905
<<locked>>
97%
61772
89%
**76
99%
Rottweil R 907
<<locked>>
90%
62468
90%
**17
99%
SNPE Vectan SP 11
<<locked>>
86%
62294
89%
**37
100%
SNPE Vectan Tubal 5000
<<locked>>
87%
62221
89%
**82
100%
SNPE Vectan Tubal 7000
<<locked>>
91%
62526
90%
**64
100%
SNPE Vectan Tubal 8000
<<locked>>
97%
61264
88%
**66
99%
Shooters World Long Rifle
<<locked>>
91%
62366
90%
**10
100%
Shooters World Precision
<<locked>>
85%
62395
90%
**84
100%
Somchem S355
<<locked>>
87%
62497
90%
**10
100%
Somchem S361
<<locked>>
95%
62279
89%
**87
97%
Somchem S365
<<locked>>
94%
62511
90%
**63
100%
Somchem S385
<<locked>>
97%
62337
90%
**37
99%
Vihtavuori N135
<<locked>>
85%
62265
89%
**19
100%
Vihtavuori N140
<<locked>>
83%
62482
90%
**35
100%
Vihtavuori N150
<<locked>>
88%
62395
90%
**58
100%
Vihtavuori N160
<<locked>>
91%
62439
90%
**27
100%
Vihtavuori N165
<<locked>>
97%
54302
78%
**96
98%
Vihtavuori N540
<<locked>>
84%
62424
90%
**41
100%
Vihtavuori N550
<<locked>>
91%
62236
89%
**40
100%
Vihtavuori N555
<<locked>>
97%
59480
85%
**33
100%
Vihtavuori N560
<<locked>>
97%
60640
87%
**19
97%
Vihtavuori N565
<<locked>>
97%
48646
70%
**63
95%
Winchester 6.5 StaBALL
<<locked>>
91%
62424
90%
**71
100%
Winchester 760 👍
<<locked>>
90%
62424
90%
**89
100%
Winchester StaBALL HD
<<locked>>
97%
50473
72%
**20
100%
Winchester Supreme 780
<<locked>>
97%
58711
84%
**71
98%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI APS 450
<<locked>>
81%
59944
86%
**12
101%
ADI AR 2208
<<locked>>
81%
52605
76%
**59
100%
[ADI AR 2209]*
<<locked>>
81%
36796
53%
**71
92%
[ADI AR 2213]*
<<locked>>
86%
38464
55%
**20
90%
[ADI AR 2217]*
<<locked>>
94%
38029
55%
**94
90%
[ADI AR 2225]*
<<locked>>
93%
32097
46%
**59
90%
Accurate 2700
<<locked>>
81%
56507
81%
**82
98%
[Accurate 3100]*
<<locked>>
81%
32561
47%
**26
93%
Accurate 4064
<<locked>>
81%
56333
81%
**79
100%
Accurate 4350
<<locked>>
81%
44005
63%
**41
99%
[Accurate MAGPRO]*
<<locked>>
87%
40828
59%
**05
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
53301
77%
**79
100%
Alliant Reloder-15
<<locked>>
81%
57058
82%
**61
100%
Alliant Reloder-16
<<locked>>
81%
42250
61%
**51
99%
Alliant Reloder-17
<<locked>>
81%
48892
70%
**89
100%
[Alliant Reloder-19]*
<<locked>>
81%
36796
53%
**61
92%
[Alliant Reloder-22]*
<<locked>>
82%
33837
49%
**15
90%
Alliant Reloder-23
<<locked>>
81%
31285
45%
**59
97%
[Alliant Reloder-25]*
<<locked>>
82%
28152
40%
**41
90%
Alliant Reloder-26
<<locked>>
81%
33982
49%
**87
96%
[Baschieri & Pellagri 109]*
<<locked>>
91%
46586
67%
**38
90%
[Bofors RP15]*
<<locked>>
85%
34229
49%
**25
90%
Bofors RP3
<<locked>>
81%
54563
78%
**99
100%
[Bofors RP30]*
<<locked>>
92%
35940
52%
**94
90%
[Bofors RP5]*
<<locked>>
82%
33837
49%
**15
90%
Bofors RP7
<<locked>>
81%
47355
68%
**48
97%
[Hodgdon H1000]*
<<locked>>
90%
36318
52%
**54
90%
Hodgdon H380
<<locked>>
81%
54549
78%
**12
100%
Hodgdon H414
<<locked>>
81%
45890
66%
**84
97%
Hodgdon H4350
<<locked>>
81%
48646
70%
**07
96%
[Hodgdon H4831]*
<<locked>>
84%
39160
56%
**94
90%
[Hodgdon H4831 SC]*
<<locked>>
85%
39160
56%
**94
90%
Hodgdon Hybrid 100V
<<locked>>
81%
39813
57%
**17
99%
[Hodgdon Retumbo]*
<<locked>>
89%
34954
50%
**87
90%
Hodgdon Superperformance
<<locked>>
81%
45614
66%
**04
97%
Hodgdon TrailBoss
<<locked>>
81%
27978
40%
**13
100%
IMR 4064
<<locked>>
81%
55405
80%
**99
100%
IMR 4166 Enduron
<<locked>>
81%
57653
83%
**32
99%
IMR 4350
<<locked>>
81%
42598
61%
**66
96%
IMR 4451 Enduron
<<locked>>
81%
48704
70%
**87
98%
IMR 4831
<<locked>>
81%
41858
60%
**72
98%
[IMR 4955 Enduron]*
<<locked>>
82%
38348
55%
**44
90%
[IMR 7828 SSC]*
<<locked>>
87%
38232
55%
**33
90%
Lovex S062
<<locked>>
81%
55608
80%
**82
100%
Lovex S065
<<locked>>
81%
46108
66%
**25
98%
Lovex S070
<<locked>>
81%
44382
64%
**99
97%
[Lovex S071]*
<<locked>>
81%
27978
40%
**82
90%
Norma 203B
<<locked>>
81%
56405
81%
**45
100%
[Norma 204]*
<<locked>>
81%
42598
61%
**99
94%
[Norma MRP]*
<<locked>>
81%
33939
49%
**51
92%
Norma URP
<<locked>>
81%
43424
62%
**22
99%
Ramshot Big Game
<<locked>>
81%
57653
83%
**64
100%
[Ramshot Grand]*
<<locked>>
86%
37550
54%
**20
90%
Ramshot Hunter
<<locked>>
81%
42380
61%
**05
97%
[Ramshot Magnum]*
<<locked>>
86%
32532
47%
**56
90%
ReloadSwiss RS 14
<<locked>>
81%
28529
41%
**55
100%
ReloadSwiss RS 50
<<locked>>
81%
54404
78%
**96
99%
ReloadSwiss RS 60
<<locked>>
81%
51866
75%
**55
100%
ReloadSwiss RS 62
<<locked>>
81%
43918
63%
**54
99%
ReloadSwiss RS 70
<<locked>>
81%
42308
61%
**61
98%
[ReloadSwiss RS 76]*
<<locked>>
88%
32489
47%
**08
90%
Rottweil R 902
<<locked>>
81%
57508
83%
**09
100%
Rottweil R 903
<<locked>>
81%
51184
74%
**40
100%
[Rottweil R 904]*
<<locked>>
81%
38290
55%
**54
91%
[Rottweil R 905]*
<<locked>>
81%
35998
52%
**44
92%
Rottweil R 907
<<locked>>
81%
47355
68%
**48
97%
SNPE Vectan SP 11
<<locked>>
81%
52605
76%
**96
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
51750
74%
**31
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
45368
65%
**69
97%
[SNPE Vectan Tubal 8000]*
<<locked>>
81%
35665
51%
**31
91%
Shooters World Long Rifle
<<locked>>
81%
46108
66%
**25
98%
Shooters World Precision
<<locked>>
81%
55608
80%
**82
100%
Somchem S355
<<locked>>
81%
51097
73%
**27
100%
[Somchem S361]*
<<locked>>
81%
39030
56%
**35
90%
Somchem S365
<<locked>>
81%
39972
57%
**79
100%
[Somchem S385]*
<<locked>>
81%
36782
53%
**38
93%
Vihtavuori N135
<<locked>>
81%
55506
80%
**23
100%
Vihtavuori N140
<<locked>>
81%
58160
84%
**73
100%
Vihtavuori N150
<<locked>>
81%
49037
70%
**48
100%
Vihtavuori N160
<<locked>>
81%
44860
64%
**25
99%
[Vihtavuori N165]*
<<locked>>
82%
32126
46%
**97
90%
Vihtavuori N540
<<locked>>
81%
56405
81%
**63
100%
Vihtavuori N550
<<locked>>
81%
44251
64%
**22
99%
Vihtavuori N555
<<locked>>
81%
34940
50%
**41
97%
[Vihtavuori N560]*
<<locked>>
85%
39059
56%
**59
90%
[Vihtavuori N565]*
<<locked>>
90%
37869
54%
**13
90%
Winchester 6.5 StaBALL
<<locked>>
81%
44106
63%
**82
100%
Winchester 760
<<locked>>
81%
46195
66%
**97
97%
Winchester StaBALL HD
<<locked>>
81%
26034
37%
**17
96%
[Winchester Supreme 780]*
<<locked>>
81%
33808
49%
**53
90%

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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