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Load data for 8.5 mm Messner Magnum + .338 | 190gr | Hammer HHT

Recommended Powder(s): Alliant Reloder-16, Hodgdon H414, Norma URP, ReloadSwiss RS 62, Vihtavuori N550

8.5 mm Messner Magnum + .338 | 190gr | Hammer HHT

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.338 | 190gr | Hammer HHT
Bullet Weight:
190gr | 12.3g
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_B12330_C1203
Last updated:
2026-04-03
Recommended Twist Rate:
1:12 - 1:10

Load data for 196 loads in caliber 8.5 mm Messner Magnum with .338 | 190gr | Hammer HHT bullet and 98 powders such as Alliant Reloder-16, Hodgdon H414, Norma URP, ReloadSwiss RS 62, Vihtavuori N550. 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>>
84%
56753
89%
**05
100%
ADI AR 2208
<<locked>>
90%
57363
90%
**99
100%
ADI AR 2209
<<locked>>
97%
50140
79%
**63
96%
[ADI AR 2213]*
<<locked>>
97%
45208
71%
**77
92%
Accurate 2700
<<locked>>
90%
57261
90%
**49
98%
Accurate 3100
<<locked>>
97%
43091
68%
**99
97%
Accurate 4064
<<locked>>
88%
57435
90%
**82
100%
Accurate 4350
<<locked>>
95%
56811
89%
**64
100%
Alliant Power Pro 2000-MR
<<locked>>
86%
57130
90%
**40
100%
Alliant Reloder- TS 15.5
<<locked>>
89%
57348
90%
**15
100%
Alliant Reloder-15
<<locked>>
87%
56884
89%
**31
100%
Alliant Reloder-16 👍
<<locked>>
97%
56594
89%
**00
100%
Alliant Reloder-17
<<locked>>
92%
56927
89%
**20
100%
Alliant Reloder-19
<<locked>>
97%
49226
77%
**40
95%
[Alliant Reloder-22]*
<<locked>>
97%
43540
68%
**74
94%
Alliant Reloder-23
<<locked>>
97%
40785
64%
**25
99%
Alliant Reloder-25
<<locked>>
97%
35955
56%
**17
95%
Alliant Reloder-26
<<locked>>
97%
45890
72%
**99
99%
Baschieri & Pellagri 107
<<locked>>
84%
57000
89%
**31
100%
[Bofors RP15]*
<<locked>>
97%
40089
63%
**95
92%
Bofors RP3
<<locked>>
89%
57435
90%
**22
100%
[Bofors RP5]*
<<locked>>
97%
43540
68%
**74
94%
Bofors RP7
<<locked>>
93%
57159
90%
**02
98%
Hodgdon CFE223
<<locked>>
87%
56797
89%
**58
100%
Hodgdon H380
<<locked>>
88%
57305
90%
**22
100%
Hodgdon H414 👍
<<locked>>
91%
56724
89%
**71
99%
Hodgdon H4350
<<locked>>
97%
54360
85%
**79
98%
[Hodgdon H4831 SC]*
<<locked>>
97%
47239
74%
**74
92%
Hodgdon H4895
<<locked>>
84%
57363
90%
**18
100%
Hodgdon Hybrid 100V
<<locked>>
97%
53345
84%
**79
100%
Hodgdon LVR
<<locked>>
94%
56797
89%
**58
100%
Hodgdon Superperformance
<<locked>>
94%
57130
90%
**17
98%
Hodgdon VARGET
<<locked>>
90%
57363
90%
**99
100%
Hodgdon TrailBoss
<<locked>>
96%
34185
54%
**24
100%
IMR 3031
<<locked>>
86%
57145
90%
**89
100%
IMR 4064
<<locked>>
90%
57130
90%
**89
100%
IMR 4166 Enduron
<<locked>>
91%
57290
90%
**79
99%
IMR 4350
<<locked>>
96%
56942
89%
**18
98%
IMR 4451 Enduron
<<locked>>
92%
57101
89%
**05
98%
IMR 4831
<<locked>>
97%
49908
78%
**40
99%
IMR 4895
<<locked>>
86%
56869
89%
**41
100%
[IMR 4955 Enduron]*
<<locked>>
97%
46905
74%
**38
93%
[IMR 7828 SSC]*
<<locked>>
97%
45585
71%
**00
92%
Lovex D073.6
<<locked>>
84%
57029
89%
**79
100%
Lovex S060
<<locked>>
85%
57348
90%
**53
100%
Lovex S062
<<locked>>
88%
57014
89%
**86
100%
Lovex S065
<<locked>>
94%
57348
90%
**99
99%
Lovex S070
<<locked>>
95%
57276
90%
**28
99%
[Lovex S071]*
<<locked>>
97%
35969
56%
**51
94%
Norma 201
<<locked>>
85%
56826
89%
**72
100%
Norma 202
<<locked>>
84%
56681
89%
**56
100%
Norma 203B
<<locked>>
87%
57406
90%
**38
100%
Norma 204
<<locked>>
96%
57029
89%
**58
97%
Norma MRP
<<locked>>
97%
45440
71%
**56
96%
Norma URP 👍
<<locked>>
96%
57116
89%
**71
100%
Ramshot Big Game
<<locked>>
87%
56710
89%
**31
100%
[Ramshot Grand]*
<<locked>>
97%
48762
76%
**69
94%
Ramshot Hunter
<<locked>>
97%
56739
89%
**84
99%
[Ramshot Magnum]*
<<locked>>
97%
41669
65%
**05
94%
ReloadSwiss RS 14
<<locked>>
97%
35099
55%
**73
100%
ReloadSwiss RS 50
<<locked>>
88%
56927
89%
**02
99%
ReloadSwiss RS 52
<<locked>>
85%
57203
90%
**97
100%
ReloadSwiss RS 60
<<locked>>
91%
57188
90%
**23
100%
ReloadSwiss RS 62 👍
<<locked>>
96%
57000
89%
**91
100%
ReloadSwiss RS 70
<<locked>>
96%
57435
90%
**43
100%
Rottweil R 902
<<locked>>
87%
57319
90%
**72
100%
Rottweil R 903
<<locked>>
91%
57348
90%
**18
100%
Rottweil R 904
<<locked>>
97%
51895
81%
**40
95%
Rottweil R 905
<<locked>>
97%
48196
76%
**33
95%
Rottweil R 907
<<locked>>
93%
57159
90%
**02
98%
SNPE Vectan SP 11
<<locked>>
90%
57058
89%
**48
100%
SNPE Vectan SP 7
<<locked>>
83%
57159
90%
**99
100%
SNPE Vectan SP 9
<<locked>>
85%
57029
89%
**09
100%
SNPE Vectan Tubal 3000
<<locked>>
84%
57377
90%
**94
100%
SNPE Vectan Tubal 5000
<<locked>>
90%
56985
89%
**84
100%
SNPE Vectan Tubal 7000
<<locked>>
94%
56956
89%
**43
98%
Shooters World Long Rifle
<<locked>>
94%
57348
90%
**99
99%
Shooters World Match Rifle
<<locked>>
84%
57029
89%
**79
100%
Shooters World Precision
<<locked>>
88%
57014
89%
**86
100%
Somchem S335
<<locked>>
84%
56927
89%
**90
100%
Somchem S341
<<locked>>
83%
56724
89%
**82
100%
Somchem S355
<<locked>>
91%
56884
89%
**05
100%
[Somchem S361]*
<<locked>>
97%
53577
84%
**27
94%
Somchem S365
<<locked>>
97%
52910
83%
**31
100%
Somchem S385
<<locked>>
97%
49269
77%
**13
97%
Vihtavuori N133
<<locked>>
86%
57174
90%
**71
100%
Vihtavuori N135
<<locked>>
92%
57101
89%
**27
100%
Vihtavuori N140
<<locked>>
86%
56884
89%
**33
100%
Vihtavuori N150
<<locked>>
96%
57014
89%
**63
100%
Vihtavuori N160
<<locked>>
93%
56695
89%
**22
100%
[Vihtavuori N165]*
<<locked>>
97%
40872
64%
**40
94%
Vihtavuori N540
<<locked>>
87%
56971
89%
**66
100%
Vihtavuori N550 👍
<<locked>>
93%
57174
90%
**74
100%
Vihtavuori N555
<<locked>>
97%
45266
71%
**13
99%
Winchester 6.5 StaBALL
<<locked>>
95%
57203
90%
**02
100%
Winchester 760
<<locked>>
91%
56724
89%
**71
99%
Winchester StaBALL HD
<<locked>>
97%
33054
52%
**35
99%
Winchester Supreme 780
<<locked>>
97%
50850
80%
**27
96%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
51837
81%
**30
100%
ADI AR 2208
<<locked>>
81%
44063
69%
**72
99%
[ADI AR 2209]*
<<locked>>
87%
36492
57%
**57
90%
[ADI AR 2213]*
<<locked>>
94%
41568
65%
**92
90%
[Accurate 2700]*
<<locked>>
81%
42105
66%
**74
94%
[Accurate 3100]*
<<locked>>
84%
27905
44%
**31
90%
Accurate 4064
<<locked>>
81%
46093
72%
**02
100%
Accurate 4350
<<locked>>
81%
34490
54%
**31
96%
Alliant Power Pro 2000-MR
<<locked>>
81%
47906
75%
**82
99%
Alliant Reloder- TS 15.5
<<locked>>
81%
43932
69%
**89
100%
Alliant Reloder-15
<<locked>>
81%
47210
74%
**67
99%
Alliant Reloder-16
<<locked>>
81%
34185
54%
**44
96%
Alliant Reloder-17
<<locked>>
81%
38566
60%
**76
99%
[Alliant Reloder-19]*
<<locked>>
86%
35331
55%
**35
90%
[Alliant Reloder-22]*
<<locked>>
91%
35389
55%
**74
90%
[Alliant Reloder-23]*
<<locked>>
81%
24889
39%
**69
92%
[Alliant Reloder-25]*
<<locked>>
90%
29370
46%
**13
90%
[Alliant Reloder-26]*
<<locked>>
82%
27340
43%
**97
90%
Baschieri & Pellagri 107
<<locked>>
81%
51343
80%
**40
100%
[Bofors RP15]*
<<locked>>
93%
35839
56%
**84
90%
Bofors RP3
<<locked>>
81%
44324
69%
**02
100%
[Bofors RP5]*
<<locked>>
91%
35389
55%
**74
90%
[Bofors RP7]*
<<locked>>
81%
39262
62%
**61
94%
Hodgdon CFE223
<<locked>>
81%
46151
72%
**74
99%
Hodgdon H380
<<locked>>
81%
44976
70%
**12
98%
Hodgdon H414
<<locked>>
81%
39885
62%
**56
95%
[Hodgdon H4350]*
<<locked>>
81%
33214
52%
**30
91%
[Hodgdon H4831 SC]*
<<locked>>
93%
42032
66%
**59
90%
Hodgdon H4895
<<locked>>
81%
52373
82%
**43
100%
Hodgdon Hybrid 100V
<<locked>>
81%
31589
49%
**36
97%
Hodgdon LVR
<<locked>>
81%
37594
59%
**90
96%
[Hodgdon Superperformance]*
<<locked>>
81%
35868
56%
**74
92%
Hodgdon VARGET
<<locked>>
81%
43700
68%
**62
99%
Hodgdon TrailBoss
<<locked>>
81%
27470
43%
**77
100%
IMR 3031
<<locked>>
81%
48153
75%
**54
100%
IMR 4064
<<locked>>
81%
43149
68%
**46
99%
IMR 4166 Enduron
<<locked>>
81%
42786
67%
**13
95%
[IMR 4350]*
<<locked>>
81%
34780
54%
**72
92%
IMR 4451 Enduron
<<locked>>
81%
40654
64%
**94
95%
[IMR 4831]*
<<locked>>
81%
30342
48%
**03
94%
IMR 4895
<<locked>>
81%
48486
76%
**97
100%
[IMR 4955 Enduron]*
<<locked>>
92%
40422
63%
**94
90%
[IMR 7828 SSC]*
<<locked>>
93%
40524
63%
**85
90%
Lovex D073.6
<<locked>>
81%
51938
81%
**10
100%
Lovex S060
<<locked>>
81%
51256
80%
**54
100%
Lovex S062
<<locked>>
81%
46514
73%
**08
100%
Lovex S065
<<locked>>
81%
38203
60%
**41
96%
[Lovex S070]*
<<locked>>
81%
36260
57%
**12
93%
[Lovex S071]*
<<locked>>
89%
27789
44%
**28
90%
Norma 201
<<locked>>
81%
50647
79%
**77
100%
Norma 202
<<locked>>
81%
51198
80%
**74
100%
Norma 203B
<<locked>>
81%
46717
73%
**58
100%
[Norma 204]*
<<locked>>
82%
35549
56%
**25
90%
[Norma MRP]*
<<locked>>
87%
32532
51%
**25
90%
Norma URP
<<locked>>
81%
34635
54%
**28
96%
Ramshot Big Game
<<locked>>
81%
46673
73%
**64
99%
[Ramshot Grand]*
<<locked>>
92%
40480
63%
**85
90%
[Ramshot Hunter]*
<<locked>>
81%
33649
53%
**05
93%
[Ramshot Magnum]*
<<locked>>
92%
34838
55%
**38
90%
ReloadSwiss RS 14
<<locked>>
81%
27891
44%
**16
100%
ReloadSwiss RS 50
<<locked>>
81%
45092
71%
**95
97%
ReloadSwiss RS 52
<<locked>>
81%
50807
80%
**92
100%
ReloadSwiss RS 60
<<locked>>
81%
40886
64%
**48
100%
ReloadSwiss RS 62
<<locked>>
81%
34156
54%
**41
95%
[ReloadSwiss RS 70]*
<<locked>>
81%
33721
53%
**38
94%
Rottweil R 902
<<locked>>
81%
48414
76%
**31
100%
Rottweil R 903
<<locked>>
81%
41481
65%
**46
99%
[Rottweil R 904]*
<<locked>>
88%
38856
61%
**74
90%
[Rottweil R 905]*
<<locked>>
87%
34911
55%
**35
90%
[Rottweil R 907]*
<<locked>>
81%
39262
62%
**61
94%
SNPE Vectan SP 11
<<locked>>
81%
42699
67%
**99
99%
SNPE Vectan SP 7
<<locked>>
81%
52939
83%
**23
99%
SNPE Vectan SP 9
<<locked>>
81%
50401
79%
**00
100%
SNPE Vectan Tubal 3000
<<locked>>
81%
51779
81%
**15
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
43366
68%
**67
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
81%
37405
59%
**85
94%
Shooters World Long Rifle
<<locked>>
81%
38203
60%
**41
96%
Shooters World Match Rifle
<<locked>>
81%
51938
81%
**10
100%
Shooters World Precision
<<locked>>
81%
46514
73%
**08
100%
Somchem S335
<<locked>>
81%
51401
81%
**08
100%
Somchem S341
<<locked>>
81%
52344
82%
**13
100%
Somchem S355
<<locked>>
81%
42148
66%
**49
99%
[Somchem S361]*
<<locked>>
89%
41292
65%
**94
90%
Somchem S365
<<locked>>
81%
30937
48%
**79
98%
[Somchem S385]*
<<locked>>
84%
32242
51%
**39
90%
Vihtavuori N133
<<locked>>
81%
48718
76%
**46
100%
Vihtavuori N135
<<locked>>
81%
40828
64%
**67
100%
Vihtavuori N140
<<locked>>
81%
47921
75%
**95
100%
Vihtavuori N150
<<locked>>
81%
35926
56%
**89
99%
Vihtavuori N160
<<locked>>
81%
37463
59%
**61
97%
[Vihtavuori N165]*
<<locked>>
91%
33663
53%
**62
90%
Vihtavuori N540
<<locked>>
81%
47616
75%
**15
100%
Vihtavuori N550
<<locked>>
81%
38174
60%
**07
97%
[Vihtavuori N555]*
<<locked>>
81%
26861
42%
**51
93%
Winchester 6.5 StaBALL
<<locked>>
81%
35433
56%
**02
98%
Winchester 760
<<locked>>
81%
39885
62%
**56
95%
[Winchester StaBALL HD]*
<<locked>>
83%
23757
37%
**79
90%
[Winchester Supreme 780]*
<<locked>>
87%
35302
55%
**05
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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