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Load data for 8.5 mm Messner Magnum + .338 | 225gr | Hornady InterBond

Recommended Powder(s): Alliant Reloder-26, IMR 4831, Norma 204, Ramshot Hunter, Vihtavuori N555

8.5 mm Messner Magnum + .338 | 225gr | Hornady InterBond

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.338 | 225gr | Hornady InterBond
Manufacturer SKU:
33209
Bullet Weight:
225gr | 14.6g
Bullet Diameter:
0.338" | 8.59mm
Bullet Length:
1.405" | 35.7mm
Caliber:
8.5 mm Messner Magnum load data
Case Length (l3):
2.508" | 63.7mm
Cartridge Length (C.O.L.):
3.413" | 86.7mm
Seated Depth:
0.500" | 12.7mm
Shank Seated Depth:
0.360" | 9.1mm
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_B2750_C1203
Last updated:
2025-01-01
Recommended Twist Rate:
1:14 - 1:11

Load data for 154 loads in caliber 8.5 mm Messner Magnum with .338 | 225gr | Hornady InterBond bullet and 77 powders such as Alliant Reloder-26, IMR 4831, Norma 204, Ramshot Hunter, Vihtavuori N555. 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 2208
<<locked>>
85%
57159
90%
**76
100%
ADI AR 2209
<<locked>>
96%
57232
90%
**77
99%
ADI AR 2213
<<locked>>
97%
52286
82%
**31
97%
[ADI AR 2217]*
<<locked>>
97%
38203
60%
**36
92%
[ADI AR 2225]*
<<locked>>
97%
33794
53%
**84
94%
Accurate 2700
<<locked>>
86%
57087
89%
**46
99%
Accurate 3100
<<locked>>
97%
51982
81%
**53
100%
Accurate 4064
<<locked>>
83%
57188
90%
**43
100%
Accurate 4350
<<locked>>
91%
57159
90%
**41
100%
Accurate MAGPRO
<<locked>>
97%
51184
80%
**35
95%
Alliant Reloder- TS 15.5
<<locked>>
85%
56768
89%
**85
100%
Alliant Reloder-16
<<locked>>
92%
57406
90%
**87
100%
Alliant Reloder-17
<<locked>>
87%
56869
89%
**87
100%
Alliant Reloder-19
<<locked>>
97%
57348
90%
**77
99%
Alliant Reloder-22
<<locked>>
97%
51547
81%
**25
98%
Alliant Reloder-23
<<locked>>
97%
49168
77%
**69
100%
Alliant Reloder-25
<<locked>>
97%
42743
67%
**94
99%
Alliant Reloder-26 👍
<<locked>>
97%
56594
89%
**66
100%
[Hodgdon H1000]*
<<locked>>
97%
38203
60%
**36
92%
Hodgdon H380
<<locked>>
84%
57421
90%
**12
100%
Hodgdon H414
<<locked>>
87%
56898
89%
**64
100%
Hodgdon H4350
<<locked>>
94%
57058
89%
**15
99%
Hodgdon H4831
<<locked>>
97%
48762
76%
**20
96%
Hodgdon H4831 SC
<<locked>>
97%
54737
86%
**12
97%
Hodgdon Hybrid 100V
<<locked>>
94%
56869
89%
**99
100%
Hodgdon LVR
<<locked>>
89%
57232
90%
**48
100%
[Hodgdon Retumbo]*
<<locked>>
97%
33794
53%
**84
94%
Hodgdon Superperformance
<<locked>>
89%
57174
90%
**94
100%
Hodgdon VARGET
<<locked>>
85%
57000
89%
**79
100%
Hodgdon TrailBoss
<<locked>>
97%
35041
55%
**99
100%
IMR 4064
<<locked>>
86%
57130
90%
**66
100%
IMR 4166 Enduron
<<locked>>
86%
56884
89%
**69
100%
IMR 4350
<<locked>>
92%
57116
89%
**15
99%
IMR 4451 Enduron
<<locked>>
88%
57087
89%
**95
100%
IMR 4831 👍
<<locked>>
96%
56768
89%
**22
100%
IMR 4955 Enduron
<<locked>>
97%
54027
85%
**69
97%
IMR 7828 SSC
<<locked>>
97%
53664
84%
**71
97%
Lovex S062
<<locked>>
83%
57377
90%
**62
100%
Lovex S065
<<locked>>
90%
57421
90%
**95
100%
Lovex S070
<<locked>>
91%
56797
89%
**08
100%
Lovex S071
<<locked>>
97%
43323
68%
**12
99%
Norma 203B
<<locked>>
83%
57406
90%
**08
100%
Norma 204 👍
<<locked>>
92%
57348
90%
**54
99%
Norma MRP
<<locked>>
97%
55201
86%
**17
100%
Norma URP
<<locked>>
91%
57305
90%
**51
100%
Ramshot Hunter 👍
<<locked>>
92%
56971
89%
**67
100%
Ramshot Magnum
<<locked>>
97%
50299
79%
**95
99%
ReloadSwiss RS 14
<<locked>>
96%
35607
56%
**36
100%
ReloadSwiss RS 50
<<locked>>
84%
56855
89%
**95
100%
ReloadSwiss RS 60
<<locked>>
89%
57392
90%
**10
100%
ReloadSwiss RS 62
<<locked>>
91%
57363
90%
**74
100%
ReloadSwiss RS 70
<<locked>>
91%
56898
89%
**20
100%
ReloadSwiss RS 76
<<locked>>
97%
41263
65%
**13
97%
Rottweil R 903
<<locked>>
86%
56971
89%
**82
100%
Rottweil R 904
<<locked>>
95%
57130
90%
**18
98%
Rottweil R 905
<<locked>>
97%
57435
90%
**77
99%
Rottweil R 907
<<locked>>
88%
57000
89%
**92
99%
SNPE Vectan SP 11
<<locked>>
85%
56898
89%
**25
100%
SNPE Vectan Tubal 5000
<<locked>>
86%
56811
89%
**54
100%
SNPE Vectan Tubal 7000
<<locked>>
90%
57188
90%
**53
100%
Shooters World Long Rifle
<<locked>>
90%
57421
90%
**95
100%
Shooters World Precision
<<locked>>
83%
57377
90%
**62
100%
Somchem S355
<<locked>>
86%
56855
89%
**82
100%
Somchem S361
<<locked>>
94%
57174
90%
**95
97%
Somchem S365
<<locked>>
93%
56710
89%
**51
100%
Somchem S385
<<locked>>
96%
57029
89%
**38
99%
Vihtavuori N135
<<locked>>
87%
56971
89%
**94
100%
Vihtavuori N150
<<locked>>
91%
56971
89%
**40
100%
Vihtavuori N160
<<locked>>
89%
57203
90%
**02
100%
Vihtavuori N165
<<locked>>
97%
48037
75%
**84
98%
Vihtavuori N550
<<locked>>
89%
57261
90%
**51
100%
Vihtavuori N555 👍
<<locked>>
97%
54955
86%
**48
100%
Vihtavuori N560
<<locked>>
97%
52040
82%
**58
97%
Vihtavuori N565
<<locked>>
97%
43932
69%
**94
95%
Winchester 6.5 StaBALL
<<locked>>
90%
56710
89%
**79
100%
Winchester 760
<<locked>>
87%
56898
89%
**64
100%
Winchester StaBALL HD
<<locked>>
97%
43918
69%
**22
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
50038
78%
**67
100%
[ADI AR 2209]*
<<locked>>
81%
34911
55%
**48
93%
[ADI AR 2213]*
<<locked>>
84%
34171
54%
**44
90%
[ADI AR 2217]*
<<locked>>
93%
34374
54%
**44
90%
[ADI AR 2225]*
<<locked>>
91%
28442
45%
**23
90%
Accurate 2700
<<locked>>
81%
48399
76%
**15
98%
[Accurate 3100]*
<<locked>>
81%
30429
48%
**26
94%
Accurate 4064
<<locked>>
81%
53664
84%
**94
100%
Accurate 4350
<<locked>>
81%
41321
65%
**85
99%
[Accurate MAGPRO]*
<<locked>>
88%
37811
59%
**69
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
50734
79%
**94
100%
Alliant Reloder-16
<<locked>>
81%
39943
63%
**92
99%
Alliant Reloder-17
<<locked>>
81%
45484
71%
**13
100%
[Alliant Reloder-19]*
<<locked>>
81%
34751
54%
**41
93%
[Alliant Reloder-22]*
<<locked>>
81%
30516
48%
**79
91%
Alliant Reloder-23
<<locked>>
81%
29327
46%
**56
98%
[Alliant Reloder-25]*
<<locked>>
81%
25715
40%
**38
91%
Alliant Reloder-26
<<locked>>
81%
31357
49%
**61
96%
[Hodgdon H1000]*
<<locked>>
93%
34374
54%
**44
90%
Hodgdon H380
<<locked>>
81%
51880
81%
**30
100%
Hodgdon H414
<<locked>>
81%
46876
73%
**94
98%
Hodgdon H4350
<<locked>>
81%
38566
60%
**84
96%
[Hodgdon H4831]*
<<locked>>
86%
34882
55%
**28
90%
[Hodgdon H4831 SC]*
<<locked>>
83%
34882
55%
**28
90%
Hodgdon Hybrid 100V
<<locked>>
81%
37521
59%
**80
100%
Hodgdon LVR
<<locked>>
81%
43976
69%
**31
99%
[Hodgdon Retumbo]*
<<locked>>
91%
28442
45%
**23
90%
Hodgdon Superperformance
<<locked>>
81%
42235
66%
**44
97%
Hodgdon VARGET
<<locked>>
81%
49777
78%
**67
100%
Hodgdon TrailBoss
<<locked>>
90%
32097
50%
**40
100%
IMR 4064
<<locked>>
81%
49327
77%
**48
100%
IMR 4166 Enduron
<<locked>>
81%
48138
75%
**28
99%
IMR 4350
<<locked>>
81%
40321
63%
**23
96%
IMR 4451 Enduron
<<locked>>
81%
46398
73%
**21
98%
IMR 4831
<<locked>>
81%
35781
56%
**54
98%
[IMR 4955 Enduron]*
<<locked>>
82%
33895
53%
**69
90%
[IMR 7828 SSC]*
<<locked>>
83%
33837
53%
**51
90%
Lovex S062
<<locked>>
81%
52910
83%
**97
100%
Lovex S065
<<locked>>
81%
43903
69%
**69
99%
Lovex S070
<<locked>>
81%
42090
66%
**56
98%
[Lovex S071]*
<<locked>>
81%
26223
41%
**08
92%
Norma 203B
<<locked>>
81%
53809
84%
**56
100%
Norma 204
<<locked>>
81%
40089
63%
**49
95%
[Norma MRP]*
<<locked>>
81%
31792
50%
**38
93%
Norma URP
<<locked>>
81%
40843
64%
**75
99%
Ramshot Hunter
<<locked>>
81%
39668
62%
**66
98%
[Ramshot Magnum]*
<<locked>>
82%
28747
45%
**13
90%
ReloadSwiss RS 14
<<locked>>
86%
30748
48%
**44
100%
ReloadSwiss RS 50
<<locked>>
81%
51605
81%
**13
99%
ReloadSwiss RS 60
<<locked>>
81%
43903
69%
**00
100%
ReloadSwiss RS 62
<<locked>>
81%
41017
64%
**02
99%
ReloadSwiss RS 70
<<locked>>
81%
39624
62%
**12
99%
[ReloadSwiss RS 76]*
<<locked>>
87%
29124
46%
**69
90%
Rottweil R 903
<<locked>>
81%
48472
76%
**54
100%
[Rottweil R 904]*
<<locked>>
81%
36129
57%
**31
92%
[Rottweil R 905]*
<<locked>>
81%
33736
53%
**25
93%
Rottweil R 907
<<locked>>
81%
45063
71%
**89
98%
SNPE Vectan SP 11
<<locked>>
81%
49690
78%
**13
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
49501
78%
**59
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
43076
68%
**16
98%
Shooters World Long Rifle
<<locked>>
81%
43903
69%
**69
99%
Shooters World Precision
<<locked>>
81%
52910
83%
**97
100%
Somchem S355
<<locked>>
81%
48602
76%
**57
100%
[Somchem S361]*
<<locked>>
81%
36883
58%
**21
91%
Somchem S365
<<locked>>
81%
37202
58%
**33
100%
[Somchem S385]*
<<locked>>
81%
34548
54%
**15
94%
Vihtavuori N135
<<locked>>
81%
47384
74%
**59
100%
Vihtavuori N150
<<locked>>
81%
41843
66%
**10
100%
Vihtavuori N160
<<locked>>
81%
43947
69%
**98
100%
[Vihtavuori N165]*
<<locked>>
81%
28979
45%
**64
91%
Vihtavuori N550
<<locked>>
81%
44686
70%
**44
100%
Vihtavuori N555
<<locked>>
81%
32576
51%
**25
98%
[Vihtavuori N560]*
<<locked>>
84%
34490
54%
**90
90%
[Vihtavuori N565]*
<<locked>>
88%
33214
52%
**57
90%
Winchester 6.5 StaBALL
<<locked>>
81%
41379
65%
**36
100%
Winchester 760
<<locked>>
81%
46876
73%
**94
98%
Winchester StaBALL HD
<<locked>>
81%
23264
36%
**36
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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