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Load data for 8.5 mm Messner Magnum + .338 | 165gr | TPM XTLD

Recommended Powder(s): Alliant Reloder-17, Hodgdon H380, Rottweil R 903, SNPE Vectan SP 11, Somchem S355

8.5 mm Messner Magnum + .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:
8.5 mm Messner Magnum load data
Case Length (l3):
2.508" | 63.7mm
Cartridge Length (C.O.L.):
<<locked>>
Seated Depth:
<<locked>>
Shank Seated Depth:
<<locked>>
Case Capacity:
106.0 Grains of Water | 6.88 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
63817 psi | 4400 bar
LID:
LID_B12381_C1203
Last updated:
2026-06-04

Load data for 198 loads in caliber 8.5 mm Messner Magnum with .338 | 165gr | TPM XTLD bullet and 99 powders such as Alliant Reloder-17, Hodgdon H380, Rottweil R 903, SNPE Vectan SP 11, Somchem S355. 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 AR 2206H
<<locked>>
85%
56869
89%
**19
100%
ADI AR 2208
<<locked>>
91%
56942
89%
**96
100%
[ADI AR 2209]*
<<locked>>
97%
47572
75%
**84
93%
ADI Benchmark 8208
<<locked>>
84%
57406
90%
**89
100%
Accurate 2015
<<locked>>
83%
57305
90%
**07
100%
Accurate 2495
<<locked>>
88%
57363
90%
**43
100%
Accurate 2700
<<locked>>
88%
57145
90%
**46
97%
[Accurate 3100]*
<<locked>>
97%
40466
63%
**17
94%
Accurate 4064
<<locked>>
89%
56811
89%
**79
100%
Accurate 4350
<<locked>>
97%
56550
89%
**58
99%
Alliant AR-Comp
<<locked>>
83%
57145
90%
**43
100%
Alliant Power Pro 2000-MR
<<locked>>
87%
57116
89%
**43
100%
Alliant Reloder- TS 15.5
<<locked>>
91%
57188
90%
**19
100%
Alliant Reloder-15
<<locked>>
88%
57029
89%
**35
100%
Alliant Reloder-16
<<locked>>
97%
54099
85%
**64
99%
Alliant Reloder-17 👍
<<locked>>
94%
57276
90%
**40
100%
[Alliant Reloder-19]*
<<locked>>
97%
46934
74%
**74
93%
Alliant Reloder-23
<<locked>>
97%
38914
61%
**63
98%
Alliant Reloder-26
<<locked>>
97%
43105
68%
**20
97%
Baschieri & Pellagri 107
<<locked>>
85%
56956
89%
**25
100%
Bofors RP3
<<locked>>
90%
56913
89%
**19
100%
Bofors RP7
<<locked>>
94%
56913
89%
**86
97%
Hodgdon BL-C2
<<locked>>
84%
57145
90%
**25
100%
Hodgdon Benchmark
<<locked>>
83%
57232
90%
**46
100%
Hodgdon H380 👍
<<locked>>
90%
56913
89%
**25
99%
Hodgdon H414
<<locked>>
96%
57276
90%
**78
98%
Hodgdon H4350
<<locked>>
93%
56942
89%
**28
96%
Hodgdon H4895
<<locked>>
85%
56913
89%
**25
100%
Hodgdon Hybrid 100V
<<locked>>
97%
50140
79%
**20
100%
Hodgdon Superperformance
<<locked>>
95%
56942
89%
**07
97%
Hodgdon VARGET
<<locked>>
86%
57101
89%
**12
100%
Hodgdon LEVERevolution
<<locked>>
87%
57203
90%
**61
100%
Hodgdon TrailBoss
<<locked>>
97%
34301
54%
**82
100%
IMR 3031
<<locked>>
85%
57290
90%
**12
100%
IMR 4064
<<locked>>
89%
57334
90%
**02
100%
IMR 4166 Enduron
<<locked>>
87%
57261
90%
**73
98%
IMR 4350
<<locked>>
97%
54853
86%
**73
97%
IMR 4451 Enduron
<<locked>>
93%
57363
90%
**09
98%
IMR 4831
<<locked>>
97%
53447
84%
**96
99%
IMR 4895
<<locked>>
88%
57290
90%
**55
100%
IMR 8208 XBR
<<locked>>
84%
57406
90%
**89
100%
Lovex D073.6
<<locked>>
85%
56869
89%
**96
100%
Lovex S060
<<locked>>
86%
57377
90%
**56
100%
Lovex S062
<<locked>>
89%
57246
90%
**96
100%
Lovex S065
<<locked>>
96%
57188
90%
**02
99%
Lovex S070
<<locked>>
97%
56869
89%
**09
98%
Norma 201
<<locked>>
86%
57000
89%
**82
100%
Norma 202
<<locked>>
86%
57116
89%
**76
100%
Norma 203B
<<locked>>
89%
56927
89%
**32
100%
Norma 204
<<locked>>
97%
55724
87%
**25
95%
[Norma MRP]*
<<locked>>
97%
43381
68%
**87
94%
Norma URP
<<locked>>
97%
55085
86%
**38
99%
Ramshot Big Game
<<locked>>
88%
57000
89%
**51
100%
Ramshot Hunter
<<locked>>
97%
53998
85%
**32
98%
Ramshot TAC
<<locked>>
84%
56884
89%
**89
99%
Ramshot Wild Boar
<<locked>>
84%
57305
90%
**28
100%
ReloadSwiss RS 14
<<locked>>
97%
34679
54%
**21
100%
ReloadSwiss RS 50
<<locked>>
90%
56739
89%
**92
98%
ReloadSwiss RS 52
<<locked>>
86%
56913
89%
**01
100%
ReloadSwiss RS 60
<<locked>>
92%
56898
89%
**40
100%
ReloadSwiss RS 62
<<locked>>
97%
56260
88%
**78
99%
ReloadSwiss RS 70
<<locked>>
97%
55912
88%
**14
99%
Rottweil R 901
<<locked>>
84%
57261
90%
**59
100%
Rottweil R 902
<<locked>>
88%
57246
90%
**82
100%
Rottweil R 903 👍
<<locked>>
92%
57116
89%
**25
100%
[Rottweil R 904]*
<<locked>>
97%
49617
78%
**77
93%
[Rottweil R 905]*
<<locked>>
97%
45397
71%
**51
93%
Rottweil R 907
<<locked>>
94%
56913
89%
**86
97%
SNPE Vectan SP 11 👍
<<locked>>
91%
56942
89%
**51
100%
SNPE Vectan SP 7
<<locked>>
85%
57232
90%
**02
99%
SNPE Vectan SP 9
<<locked>>
86%
56956
89%
**12
100%
SNPE Vectan Tubal 3000
<<locked>>
86%
57101
89%
**97
100%
SNPE Vectan Tubal 5000
<<locked>>
91%
57246
90%
**91
100%
SNPE Vectan Tubal 7000
<<locked>>
95%
57043
89%
**36
98%
[SNPE Vectan Tubal 8000]*
<<locked>>
97%
44962
70%
**41
93%
Shooters World Long Rifle
<<locked>>
96%
57188
90%
**02
99%
Shooters World Match Rifle
<<locked>>
85%
56869
89%
**96
100%
Shooters World Precision
<<locked>>
89%
57246
90%
**96
100%
Somchem S335
<<locked>>
86%
57101
89%
**97
100%
Somchem S341
<<locked>>
85%
57029
89%
**86
100%
Somchem S355 👍
<<locked>>
92%
56826
89%
**15
100%
[Somchem S361]*
<<locked>>
97%
51300
80%
**58
92%
Somchem S365
<<locked>>
97%
49879
78%
**79
100%
[Somchem S385]*
<<locked>>
97%
46383
73%
**41
94%
Vihtavuori N133
<<locked>>
85%
56956
89%
**81
100%
Vihtavuori N135
<<locked>>
90%
57058
89%
**36
100%
Vihtavuori N140
<<locked>>
87%
57014
89%
**46
100%
Vihtavuori N150
<<locked>>
93%
57014
89%
**66
100%
Vihtavuori N160
<<locked>>
96%
57246
90%
**32
99%
Vihtavuori N530
<<locked>>
84%
56884
89%
**76
100%
Vihtavuori N540
<<locked>>
88%
56768
89%
**56
100%
Vihtavuori N550
<<locked>>
97%
57116
89%
**45
99%
Vihtavuori N555
<<locked>>
97%
42859
67%
**41
98%
Winchester 6.5 StaBALL
<<locked>>
96%
56898
89%
**99
100%
Winchester 748
<<locked>>
84%
56971
89%
**28
100%
Winchester 760
<<locked>>
96%
57276
90%
**78
98%
Winchester StaBALL HD
<<locked>>
97%
34548
54%
**27
97%
Winchester StaBALL Match
<<locked>>
86%
57087
89%
**19
100%
[Winchester Supreme 780]*
<<locked>>
97%
43308
68%
**53
92%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
49385
77%
**87
99%
ADI AR 2208
<<locked>>
81%
41858
66%
**13
97%
[ADI AR 2209]*
<<locked>>
92%
40205
63%
**20
90%
ADI Benchmark 8208
<<locked>>
81%
51517
81%
**97
100%
Accurate 2015
<<locked>>
81%
53592
84%
**48
100%
Accurate 2495
<<locked>>
81%
46108
72%
**66
100%
[Accurate 2700]*
<<locked>>
81%
45063
71%
**20
94%
[Accurate 3100]*
<<locked>>
89%
31314
49%
**90
90%
Accurate 4064
<<locked>>
81%
43613
68%
**56
100%
[Accurate 4350]*
<<locked>>
81%
32213
50%
**36
93%
Alliant AR-Comp
<<locked>>
81%
52678
83%
**77
100%
Alliant Power Pro 2000-MR
<<locked>>
81%
45585
71%
**30
98%
Alliant Reloder- TS 15.5
<<locked>>
81%
41974
66%
**36
99%
Alliant Reloder-15
<<locked>>
81%
44947
70%
**15
98%
[Alliant Reloder-16]*
<<locked>>
81%
32460
51%
**53
93%
Alliant Reloder-17
<<locked>>
81%
36419
57%
**97
97%
[Alliant Reloder-19]*
<<locked>>
91%
39421
62%
**07
90%
[Alliant Reloder-23]*
<<locked>>
83%
25469
40%
**36
90%
[Alliant Reloder-26]*
<<locked>>
87%
30400
48%
**56
90%
Baschieri & Pellagri 107
<<locked>>
81%
49081
77%
**87
99%
Bofors RP3
<<locked>>
81%
42003
66%
**46
99%
[Bofors RP7]*
<<locked>>
81%
37449
59%
**89
91%
Hodgdon BL-C2
<<locked>>
81%
51155
80%
**27
100%
Hodgdon Benchmark
<<locked>>
81%
53229
83%
**77
100%
Hodgdon H380
<<locked>>
81%
42670
67%
**53
97%
[Hodgdon H414]*
<<locked>>
81%
34650
54%
**89
90%
[Hodgdon H4350]*
<<locked>>
81%
37956
59%
**35
90%
Hodgdon H4895
<<locked>>
81%
49864
78%
**00
100%
[Hodgdon Hybrid 100V]*
<<locked>>
81%
29907
47%
**48
94%
[Hodgdon Superperformance]*
<<locked>>
83%
36448
57%
**54
90%
Hodgdon VARGET
<<locked>>
81%
47935
75%
**48
99%
Hodgdon LEVERevolution
<<locked>>
81%
46369
73%
**64
99%
Hodgdon TrailBoss
<<locked>>
81%
27021
42%
**08
100%
IMR 3031
<<locked>>
81%
49821
78%
**91
100%
IMR 4064
<<locked>>
81%
44034
69%
**56
98%
IMR 4166 Enduron
<<locked>>
81%
46746
73%
**72
95%
[IMR 4350]*
<<locked>>
83%
35389
55%
**56
90%
[IMR 4451 Enduron]*
<<locked>>
81%
38914
61%
**28
92%
[IMR 4831]*
<<locked>>
81%
31256
49%
**94
93%
IMR 4895
<<locked>>
81%
46021
72%
**41
99%
IMR 8208 XBR
<<locked>>
81%
51517
81%
**97
100%
Lovex D073.6
<<locked>>
81%
49124
77%
**68
100%
Lovex S060
<<locked>>
81%
48950
77%
**09
99%
Lovex S062
<<locked>>
81%
43932
69%
**59
99%
[Lovex S065]*
<<locked>>
81%
36303
57%
**72
93%
[Lovex S070]*
<<locked>>
81%
34505
54%
**36
91%
Norma 201
<<locked>>
81%
48457
76%
**31
100%
Norma 202
<<locked>>
81%
48878
77%
**38
100%
Norma 203B
<<locked>>
81%
44193
69%
**99
99%
[Norma 204]*
<<locked>>
87%
39711
62%
**00
90%
[Norma MRP]*
<<locked>>
91%
35781
56%
**81
90%
[Norma URP]*
<<locked>>
81%
32547
51%
**43
93%
Ramshot Big Game
<<locked>>
81%
44237
69%
**12
98%
[Ramshot Hunter]*
<<locked>>
81%
32198
50%
**30
90%
Ramshot TAC
<<locked>>
81%
51735
81%
**07
98%
Ramshot Wild Boar
<<locked>>
81%
51474
81%
**27
100%
ReloadSwiss RS 14
<<locked>>
81%
27412
43%
**50
100%
ReloadSwiss RS 50
<<locked>>
81%
42975
67%
**27
95%
ReloadSwiss RS 52
<<locked>>
81%
47834
75%
**33
99%
ReloadSwiss RS 60
<<locked>>
81%
38740
61%
**72
100%
[ReloadSwiss RS 62]*
<<locked>>
81%
32155
50%
**59
93%
[ReloadSwiss RS 70]*
<<locked>>
81%
32111
50%
**43
91%
Rottweil R 901
<<locked>>
81%
52634
82%
**81
100%
Rottweil R 902
<<locked>>
81%
45919
72%
**82
100%
Rottweil R 903
<<locked>>
81%
39363
62%
**87
98%
[Rottweil R 904]*
<<locked>>
93%
43265
68%
**46
90%
[Rottweil R 905]*
<<locked>>
92%
38276
60%
**90
90%
[Rottweil R 907]*
<<locked>>
81%
37449
59%
**89
91%
SNPE Vectan SP 11
<<locked>>
81%
40408
63%
**33
98%
SNPE Vectan SP 7
<<locked>>
81%
50270
79%
**77
98%
SNPE Vectan SP 9
<<locked>>
81%
47906
75%
**48
99%
SNPE Vectan Tubal 3000
<<locked>>
81%
49516
78%
**76
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
41263
65%
**28
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
81%
35650
56%
**10
91%
[SNPE Vectan Tubal 8000]*
<<locked>>
92%
38914
61%
**07
90%
[Shooters World Long Rifle]*
<<locked>>
81%
36303
57%
**72
93%
Shooters World Match Rifle
<<locked>>
81%
49124
77%
**68
100%
Shooters World Precision
<<locked>>
81%
43932
69%
**59
99%
Somchem S335
<<locked>>
81%
49197
77%
**82
100%
Somchem S341
<<locked>>
81%
50053
78%
**74
99%
Somchem S355
<<locked>>
81%
39987
63%
**81
98%
[Somchem S361]*
<<locked>>
94%
46311
73%
**63
90%
Somchem S365
<<locked>>
81%
29283
46%
**90
96%
[Somchem S385]*
<<locked>>
89%
35723
56%
**92
90%
Vihtavuori N133
<<locked>>
81%
49806
78%
**66
100%
Vihtavuori N135
<<locked>>
81%
43352
68%
**13
100%
Vihtavuori N140
<<locked>>
81%
46253
72%
**59
100%
Vihtavuori N150
<<locked>>
81%
38116
60%
**15
99%
[Vihtavuori N160]*
<<locked>>
81%
33982
53%
**46
94%
Vihtavuori N530
<<locked>>
81%
52083
82%
**97
100%
Vihtavuori N540
<<locked>>
81%
44715
70%
**49
100%
[Vihtavuori N550]*
<<locked>>
81%
33663
53%
**53
93%
[Vihtavuori N555]*
<<locked>>
82%
26281
41%
**89
90%
Winchester 6.5 StaBALL
<<locked>>
81%
33852
53%
**23
96%
Winchester 748
<<locked>>
81%
52098
82%
**40
100%
[Winchester 760]*
<<locked>>
81%
34650
54%
**89
90%
[Winchester StaBALL HD]*
<<locked>>
89%
26789
42%
**28
90%
Winchester StaBALL Match
<<locked>>
81%
47892
75%
**54
99%
[Winchester Supreme 780]*
<<locked>>
94%
39610
62%
**67
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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