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Load data for 8.5 mm Messner Magnum + .338 | 128gr | Hammer Stone Hammer

Recommended Powder(s): Accurate 2520, Hodgdon BL-C2, Hodgdon H4895, Lovex D073.6, Shooters World Match Rifle

8.5 mm Messner Magnum + .338 | 128gr | Hammer Stone Hammer

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.338 | 128gr | Hammer Stone Hammer
Manufacturer SKU:
33128SH
Bullet Weight:
128gr | 8.3g
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_B12335_C1203
Last updated:
2026-04-06
Recommended Twist Rate:
1:21 - 1:17

Load data for 192 loads in caliber 8.5 mm Messner Magnum with .338 | 128gr | Hammer Stone Hammer bullet and 96 powders such as Accurate 2520, Hodgdon BL-C2, Hodgdon H4895, Lovex D073.6, Shooters World Match Rifle. 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>>
92%
57203
90%
**50
98%
ADI AR 2208
<<locked>>
97%
55172
86%
**81
97%
ADI AR 2219
<<locked>>
84%
57392
90%
**33
100%
ADI Benchmark 8208
<<locked>>
91%
57363
90%
**30
99%
Accurate 2015
<<locked>>
89%
57377
90%
**68
100%
Accurate 2200
<<locked>>
91%
57261
90%
**01
97%
Accurate 2230
<<locked>>
86%
57217
90%
**94
99%
Accurate 2460
<<locked>>
86%
56898
89%
**97
100%
Accurate 2495
<<locked>>
92%
56550
89%
**27
100%
Accurate 2520 👍
<<locked>>
91%
57290
90%
**47
100%
[Accurate 2700]*
<<locked>>
97%
54636
86%
**69
92%
Accurate 4064
<<locked>>
97%
55550
87%
**24
100%
[Accurate 4350]*
<<locked>>
97%
41350
65%
**74
93%
Alliant AR-Comp
<<locked>>
91%
56840
89%
**24
100%
Alliant Power Pro 2000-MR
<<locked>>
94%
56739
89%
**61
98%
Alliant Reloder- TS 15.5
<<locked>>
97%
54505
85%
**20
99%
Alliant Reloder-10x
<<locked>>
86%
57305
90%
**91
100%
Alliant Reloder-15
<<locked>>
96%
56927
89%
**56
98%
[Alliant Reloder-16]*
<<locked>>
97%
41989
66%
**87
93%
Alliant Reloder-17
<<locked>>
97%
48791
76%
**94
97%
Baschieri & Pellagri 106
<<locked>>
85%
57232
90%
**09
100%
Baschieri & Pellagri 107
<<locked>>
92%
56855
89%
**53
97%
Bofors RP3
<<locked>>
97%
55216
87%
**27
99%
Hodgdon BL-C2 👍
<<locked>>
91%
57334
90%
**76
99%
Hodgdon Benchmark
<<locked>>
90%
57174
90%
**84
100%
Hodgdon CFE223
<<locked>>
96%
57014
89%
**86
97%
Hodgdon H322
<<locked>>
89%
56927
89%
**33
100%
Hodgdon H335
<<locked>>
84%
57058
89%
**33
100%
Hodgdon H380
<<locked>>
97%
56608
89%
**40
97%
[Hodgdon H414]*
<<locked>>
97%
50212
79%
**51
92%
Hodgdon H4198
<<locked>>
83%
57029
89%
**38
100%
Hodgdon H4895 👍
<<locked>>
92%
57159
90%
**63
99%
[Hodgdon Hybrid 100V]*
<<locked>>
97%
38421
60%
**59
94%
[Hodgdon LVR]*
<<locked>>
97%
46195
72%
**56
93%
Hodgdon VARGET
<<locked>>
97%
54708
86%
**81
97%
Hodgdon TrailBoss
<<locked>>
96%
32576
51%
**78
100%
IMR 3031
<<locked>>
96%
57261
90%
**83
100%
IMR 4064
<<locked>>
97%
53388
84%
**42
97%
[IMR 4166 Enduron]*
<<locked>>
97%
54056
85%
**15
93%
IMR 4198
<<locked>>
86%
57246
90%
**48
100%
[IMR 4451 Enduron]*
<<locked>>
97%
51401
81%
**83
92%
IMR 4895
<<locked>>
95%
57072
89%
**86
98%
IMR 8208 XBR
<<locked>>
91%
57363
90%
**30
99%
Lovex D073.4
<<locked>>
85%
57000
89%
**88
100%
Lovex D073.5
<<locked>>
87%
57174
90%
**97
100%
Lovex D073.6 👍
<<locked>>
93%
57290
90%
**47
100%
Lovex S060
<<locked>>
92%
56869
89%
**74
98%
Lovex S062
<<locked>>
96%
56913
89%
**20
99%
[Lovex S065]*
<<locked>>
97%
46775
73%
**97
93%
Norma 201
<<locked>>
93%
57334
90%
**27
99%
Norma 202
<<locked>>
93%
56811
89%
**17
100%
Norma 203B
<<locked>>
96%
57334
90%
**66
98%
[Norma URP]*
<<locked>>
97%
42134
66%
**87
93%
Ramshot Big Game
<<locked>>
96%
56797
89%
**73
98%
Ramshot TAC
<<locked>>
90%
56913
89%
**94
96%
Ramshot Wild Boar
<<locked>>
91%
56768
89%
**40
98%
Ramshot X-Terminator
<<locked>>
88%
57072
89%
**94
98%
ReloadSwiss RS 14
<<locked>>
97%
33199
52%
**34
100%
ReloadSwiss RS 40
<<locked>>
87%
57014
89%
**14
100%
ReloadSwiss RS 50
<<locked>>
97%
57392
90%
**01
95%
ReloadSwiss RS 52
<<locked>>
93%
56652
89%
**38
98%
ReloadSwiss RS 60
<<locked>>
97%
51996
81%
**73
100%
[ReloadSwiss RS 62]*
<<locked>>
97%
41843
66%
**01
93%
Rottweil R 901
<<locked>>
91%
57000
89%
**01
100%
Rottweil R 902
<<locked>>
95%
57000
89%
**04
99%
Rottweil R 903
<<locked>>
97%
51213
80%
**48
98%
SNPE Vectan SP 10
<<locked>>
83%
56826
89%
**17
100%
SNPE Vectan SP 11
<<locked>>
97%
53505
84%
**27
98%
SNPE Vectan SP 7
<<locked>>
91%
57043
89%
**07
97%
SNPE Vectan SP 9
<<locked>>
93%
56985
89%
**37
98%
SNPE Vectan Tubal 3000
<<locked>>
92%
57130
90%
**38
100%
SNPE Vectan Tubal 5000
<<locked>>
97%
54868
86%
**86
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
97%
46833
73%
**38
91%
[Shooters World Long Rifle]*
<<locked>>
97%
46775
73%
**97
93%
Shooters World Match Rifle 👍
<<locked>>
93%
57290
90%
**47
100%
Shooters World Precision
<<locked>>
96%
56913
89%
**20
99%
Shooters World Tactical Rifle
<<locked>>
85%
57116
89%
**74
99%
Somchem S321
<<locked>>
88%
56898
89%
**30
99%
Somchem S335
<<locked>>
93%
57261
90%
**51
100%
Somchem S341
<<locked>>
92%
56869
89%
**04
98%
Somchem S355
<<locked>>
97%
51590
81%
**38
98%
Somchem S365
<<locked>>
97%
37405
59%
**02
95%
Vihtavuori N120
<<locked>>
84%
56898
89%
**56
100%
Vihtavuori N130
<<locked>>
89%
57261
90%
**22
100%
Vihtavuori N133
<<locked>>
95%
57029
89%
**32
100%
Vihtavuori N135
<<locked>>
97%
49023
77%
**66
100%
Vihtavuori N140
<<locked>>
95%
57101
89%
**94
100%
Vihtavuori N150
<<locked>>
97%
43874
69%
**58
98%
[Vihtavuori N160]*
<<locked>>
97%
46412
73%
**27
94%
Vihtavuori N530
<<locked>>
89%
57319
90%
**47
99%
Vihtavuori N540
<<locked>>
95%
56971
89%
**14
100%
[Vihtavuori N550]*
<<locked>>
97%
46804
73%
**86
94%
Winchester 6.5 StaBALL
<<locked>>
97%
45759
72%
**84
97%
Winchester 748
<<locked>>
88%
56898
89%
**73
100%
[Winchester 760]*
<<locked>>
97%
50212
79%
**51
92%
Winchester StaBALL Match
<<locked>>
86%
57319
90%
**56
99%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
[ADI AR 2206H]*
<<locked>>
81%
39494
62%
**69
94%
[ADI AR 2208]*
<<locked>>
81%
33446
52%
**72
90%
ADI AR 2219
<<locked>>
81%
52141
82%
**42
100%
ADI Benchmark 8208
<<locked>>
81%
41539
65%
**05
96%
Accurate 2015
<<locked>>
81%
44773
70%
**48
100%
[Accurate 2200]*
<<locked>>
81%
41698
65%
**86
93%
Accurate 2230
<<locked>>
81%
47094
74%
**07
97%
Accurate 2460
<<locked>>
81%
47297
74%
**17
98%
Accurate 2495
<<locked>>
81%
39581
62%
**02
100%
Accurate 2520
<<locked>>
81%
40364
63%
**09
98%
[Accurate 2700]*
<<locked>>
92%
47195
74%
**25
90%
Accurate 4064
<<locked>>
81%
33272
52%
**22
97%
[Accurate 4350]*
<<locked>>
92%
35070
55%
**04
90%
Alliant AR-Comp
<<locked>>
81%
40451
63%
**35
100%
[Alliant Power Pro 2000-MR]*
<<locked>>
82%
36390
57%
**59
90%
[Alliant Reloder- TS 15.5]*
<<locked>>
81%
32343
51%
**92
92%
Alliant Reloder-10x
<<locked>>
81%
48327
76%
**40
100%
[Alliant Reloder-15]*
<<locked>>
81%
35215
55%
**64
91%
[Alliant Reloder-16]*
<<locked>>
93%
36999
58%
**46
90%
[Alliant Reloder-17]*
<<locked>>
85%
32982
52%
**48
90%
Baschieri & Pellagri 106
<<locked>>
81%
50676
79%
**91
100%
[Baschieri & Pellagri 107]*
<<locked>>
81%
38363
60%
**50
92%
[Bofors RP3]*
<<locked>>
81%
31981
50%
**89
92%
Hodgdon BL-C2
<<locked>>
81%
40422
63%
**28
96%
Hodgdon Benchmark
<<locked>>
81%
43816
69%
**12
98%
[Hodgdon CFE223]*
<<locked>>
82%
35186
55%
**87
90%
Hodgdon H322
<<locked>>
81%
43671
68%
**71
99%
Hodgdon H335
<<locked>>
81%
51488
81%
**22
100%
[Hodgdon H380]*
<<locked>>
84%
36477
57%
**87
90%
[Hodgdon H414]*
<<locked>>
93%
44759
70%
**27
90%
Hodgdon H4198
<<locked>>
81%
53214
83%
**73
100%
Hodgdon H4895
<<locked>>
81%
39740
62%
**89
95%
[Hodgdon Hybrid 100V]*
<<locked>>
91%
31502
49%
**53
90%
[Hodgdon LVR]*
<<locked>>
91%
38116
60%
**69
90%
[Hodgdon VARGET]*
<<locked>>
81%
33388
52%
**79
90%
Hodgdon TrailBoss
<<locked>>
81%
26078
41%
**05
100%
IMR 3031
<<locked>>
81%
35070
55%
**20
99%
[IMR 4064]*
<<locked>>
81%
32692
51%
**49
90%
[IMR 4166 Enduron]*
<<locked>>
90%
44135
69%
**99
90%
IMR 4198
<<locked>>
81%
49095
77%
**07
100%
[IMR 4451 Enduron]*
<<locked>>
92%
44382
70%
**35
90%
[IMR 4895]*
<<locked>>
81%
36085
57%
**14
93%
IMR 8208 XBR
<<locked>>
81%
41539
65%
**05
96%
Lovex D073.4
<<locked>>
81%
49023
77%
**43
99%
Lovex D073.5
<<locked>>
81%
46862
73%
**14
98%
Lovex D073.6
<<locked>>
81%
37971
60%
**53
97%
[Lovex S060]*
<<locked>>
81%
39972
63%
**10
94%
[Lovex S062]*
<<locked>>
81%
34621
54%
**25
94%
[Lovex S065]*
<<locked>>
91%
39407
62%
**30
90%
Norma 201
<<locked>>
81%
38624
61%
**30
95%
Norma 202
<<locked>>
81%
38725
61%
**50
98%
[Norma 203B]*
<<locked>>
81%
34751
54%
**54
92%
[Norma URP]*
<<locked>>
92%
36129
57%
**17
90%
[Ramshot Big Game]*
<<locked>>
81%
34258
54%
**54
91%
[Ramshot TAC]*
<<locked>>
81%
41669
65%
**82
92%
[Ramshot Wild Boar]*
<<locked>>
81%
40785
64%
**12
94%
Ramshot X-Terminator
<<locked>>
81%
45194
71%
**48
96%
ReloadSwiss RS 14
<<locked>>
81%
26223
41%
**51
100%
ReloadSwiss RS 40
<<locked>>
81%
47007
74%
**33
99%
[ReloadSwiss RS 50]*
<<locked>>
87%
42163
66%
**82
90%
[ReloadSwiss RS 52]*
<<locked>>
81%
36434
57%
**69
92%
[ReloadSwiss RS 60]*
<<locked>>
81%
30168
47%
**76
92%
[ReloadSwiss RS 62]*
<<locked>>
93%
36782
58%
**56
90%
Rottweil R 901
<<locked>>
81%
42322
66%
**02
98%
Rottweil R 902
<<locked>>
81%
36535
57%
**58
95%
[Rottweil R 903]*
<<locked>>
81%
29834
47%
**10
90%
SNPE Vectan SP 10
<<locked>>
81%
52489
82%
**38
100%
[SNPE Vectan SP 11]*
<<locked>>
82%
32198
50%
**95
90%
[SNPE Vectan SP 7]*
<<locked>>
81%
39711
62%
**40
91%
[SNPE Vectan SP 9]*
<<locked>>
81%
38145
60%
**20
93%
SNPE Vectan Tubal 3000
<<locked>>
81%
40408
63%
**10
98%
SNPE Vectan Tubal 5000
<<locked>>
81%
33025
52%
**23
97%
[SNPE Vectan Tubal 7000]*
<<locked>>
94%
42946
67%
**56
90%
[Shooters World Long Rifle]*
<<locked>>
91%
39407
62%
**30
90%
Shooters World Match Rifle
<<locked>>
81%
37971
60%
**53
97%
[Shooters World Precision]*
<<locked>>
81%
34621
54%
**25
94%
Shooters World Tactical Rifle
<<locked>>
81%
49588
78%
**37
98%
Somchem S321
<<locked>>
81%
44831
70%
**97
98%
Somchem S335
<<locked>>
81%
39856
62%
**04
99%
[Somchem S341]*
<<locked>>
81%
39146
61%
**36
94%
[Somchem S355]*
<<locked>>
81%
31140
49%
**30
91%
[Somchem S365]*
<<locked>>
89%
28964
45%
**17
90%
Vihtavuori N120
<<locked>>
81%
52475
82%
**94
100%
Vihtavuori N130
<<locked>>
81%
44817
70%
**05
100%
Vihtavuori N133
<<locked>>
81%
37550
59%
**58
99%
Vihtavuori N135
<<locked>>
81%
29863
47%
**97
97%
Vihtavuori N140
<<locked>>
81%
36085
57%
**58
98%
[Vihtavuori N150]*
<<locked>>
81%
26600
42%
**72
90%
[Vihtavuori N160]*
<<locked>>
89%
35839
56%
**74
90%
Vihtavuori N530
<<locked>>
81%
43642
68%
**74
97%
Vihtavuori N540
<<locked>>
81%
35868
56%
**64
97%
[Vihtavuori N550]*
<<locked>>
89%
35998
56%
**20
90%
[Winchester 6.5 StaBALL]*
<<locked>>
86%
31285
49%
**90
90%
Winchester 748
<<locked>>
81%
43801
69%
**14
98%
[Winchester 760]*
<<locked>>
93%
44759
70%
**27
90%
Winchester StaBALL Match
<<locked>>
81%
46992
74%
**56
97%

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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