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Load data for 8.5 mm Messner Magnum + .338 | 265gr | CutEdge MTH

Recommended Powder(s): ADI AR 2209, Alliant Reloder-19, Alliant Reloder-26, Norma MRP, Rottweil R 905

8.5 mm Messner Magnum + .338 | 265gr | CutEdge MTH

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.338 | 265gr | CutEdge MTH
Manufacturer SKU:
MTH 338 265 MAX
Bullet Weight:
265gr | 17.2g
Bullet Diameter:
0.338" | 8.59mm
Bullet Length:
1.826" | 46.4mm
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:
0.921" | 23.4mm
Shank Seated Depth:
0.668" | 17.0mm
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_B8523_C1203
Last updated:
2025-01-01
Recommended Twist Rate:
1:10 - 1:8

Load data for 152 loads in caliber 8.5 mm Messner Magnum with .338 | 265gr | CutEdge MTH bullet and 76 powders such as ADI AR 2209, Alliant Reloder-19, Alliant Reloder-26, Norma MRP, Rottweil R 905. 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%
57319
90%
**39
100%
ADI AR 2209 👍
<<locked>>
96%
57029
89%
**38
100%
ADI AR 2213
<<locked>>
97%
52605
82%
**15
98%
[ADI AR 2217]*
<<locked>>
97%
38101
60%
**43
94%
ADI AR 2225
<<locked>>
97%
33881
53%
**10
96%
Accurate 2700
<<locked>>
86%
56898
89%
**13
100%
Accurate 3100
<<locked>>
97%
52446
82%
**36
100%
Accurate 4350
<<locked>>
90%
57145
90%
**02
100%
Accurate MAGPRO
<<locked>>
97%
51024
80%
**15
96%
Alliant Reloder- TS 15.5
<<locked>>
85%
57348
90%
**49
100%
Alliant Reloder-16
<<locked>>
92%
57159
90%
**41
100%
Alliant Reloder-17
<<locked>>
87%
56739
89%
**38
100%
Alliant Reloder-19 👍
<<locked>>
96%
57101
89%
**41
100%
Alliant Reloder-22
<<locked>>
97%
51982
81%
**15
99%
Alliant Reloder-23
<<locked>>
97%
49617
78%
**52
100%
Alliant Reloder-25
<<locked>>
97%
42902
67%
**93
100%
Alliant Reloder-26 👍
<<locked>>
97%
57087
89%
**30
100%
[Hodgdon H1000]*
<<locked>>
97%
38101
60%
**43
94%
Hodgdon H380
<<locked>>
84%
56768
89%
**66
100%
Hodgdon H414
<<locked>>
87%
57203
90%
**31
100%
Hodgdon H4350
<<locked>>
93%
56942
89%
**79
100%
Hodgdon H4831
<<locked>>
97%
48530
76%
**93
97%
Hodgdon H4831 SC
<<locked>>
97%
55390
87%
**98
98%
Hodgdon Hybrid 100V
<<locked>>
93%
56608
89%
**59
100%
Hodgdon LVR
<<locked>>
89%
57305
90%
**08
100%
Hodgdon Retumbo
<<locked>>
97%
33881
53%
**10
96%
Hodgdon Superperformance
<<locked>>
89%
57305
90%
**64
100%
Hodgdon VARGET
<<locked>>
85%
57319
90%
**39
100%
IMR 4064
<<locked>>
86%
57043
89%
**30
100%
IMR 4166 Enduron
<<locked>>
86%
56971
89%
**33
100%
IMR 4350
<<locked>>
92%
57290
90%
**82
100%
IMR 4451 Enduron
<<locked>>
87%
56913
89%
**56
100%
IMR 4831
<<locked>>
96%
57043
89%
**92
100%
IMR 4955 Enduron
<<locked>>
97%
54491
85%
**52
98%
IMR 7828 SSC
<<locked>>
97%
54462
85%
**54
99%
Lovex S062
<<locked>>
83%
57319
90%
**20
100%
Lovex S065
<<locked>>
89%
57058
89%
**52
100%
Lovex S070
<<locked>>
90%
56753
89%
**72
100%
Lovex S071
<<locked>>
97%
43076
68%
**95
99%
Norma 204
<<locked>>
91%
56840
89%
**18
99%
[Norma 217]*
<<locked>>
97%
29515
46%
**31
93%
Norma MRP 👍
<<locked>>
97%
55085
86%
**87
100%
Norma URP
<<locked>>
91%
57276
90%
**12
100%
Ramshot Hunter
<<locked>>
91%
56623
89%
**21
100%
Ramshot Magnum
<<locked>>
97%
50169
79%
**79
99%
ReloadSwiss RS 50
<<locked>>
84%
57421
90%
**66
100%
ReloadSwiss RS 60
<<locked>>
88%
56927
89%
**57
100%
ReloadSwiss RS 62
<<locked>>
90%
57058
89%
**28
100%
ReloadSwiss RS 70
<<locked>>
91%
57232
90%
**80
100%
ReloadSwiss RS 76
<<locked>>
97%
41350
65%
**16
99%
[ReloadSwiss RS 80]*
<<locked>>
97%
36695
57%
**95
92%
Rottweil R 903
<<locked>>
86%
57363
90%
**49
100%
Rottweil R 904
<<locked>>
95%
56898
89%
**92
99%
Rottweil R 905 👍
<<locked>>
96%
56840
89%
**38
100%
Rottweil R 907
<<locked>>
89%
57377
90%
**62
100%
SNPE Vectan SP 11
<<locked>>
85%
57232
90%
**82
100%
SNPE Vectan Tubal 5000
<<locked>>
86%
57145
90%
**21
100%
SNPE Vectan Tubal 7000
<<locked>>
90%
56869
89%
**16
100%
Shooters World Long Rifle
<<locked>>
89%
57058
89%
**52
100%
Shooters World Precision
<<locked>>
83%
57319
90%
**20
100%
Somchem S355
<<locked>>
86%
56884
89%
**39
100%
Somchem S361
<<locked>>
94%
57276
90%
**69
98%
Somchem S365
<<locked>>
93%
56768
89%
**05
100%
Somchem S385
<<locked>>
96%
57261
90%
**08
100%
Vihtavuori N135
<<locked>>
87%
57159
90%
**51
100%
Vihtavuori N150
<<locked>>
91%
56913
89%
**00
100%
Vihtavuori N160
<<locked>>
89%
57043
89%
**69
100%
Vihtavuori N165
<<locked>>
97%
48356
76%
**74
99%
Vihtavuori N550
<<locked>>
88%
56884
89%
**05
100%
Vihtavuori N555
<<locked>>
97%
55564
87%
**15
100%
Vihtavuori N560
<<locked>>
97%
51996
81%
**35
98%
Vihtavuori N565
<<locked>>
97%
44280
69%
**93
96%
[Vihtavuori N568]*
<<locked>>
97%
38551
60%
**18
93%
Winchester 6.5 StaBALL
<<locked>>
90%
57377
90%
**52
100%
Winchester 760
<<locked>>
87%
57203
90%
**31
100%
Winchester StaBALL HD
<<locked>>
97%
44831
70%
**05
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
50589
79%
**51
100%
ADI AR 2209
<<locked>>
81%
34824
55%
**51
95%
[ADI AR 2213]*
<<locked>>
81%
30980
49%
**82
91%
[ADI AR 2217]*
<<locked>>
90%
30690
48%
**65
90%
[ADI AR 2225]*
<<locked>>
88%
25556
40%
**67
90%
Accurate 2700
<<locked>>
81%
48515
76%
**98
99%
Accurate 3100
<<locked>>
81%
30182
47%
**39
96%
Accurate 4350
<<locked>>
81%
41408
65%
**69
100%
[Accurate MAGPRO]*
<<locked>>
85%
33736
53%
**77
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
51198
80%
**67
100%
Alliant Reloder-16
<<locked>>
81%
40132
63%
**79
100%
Alliant Reloder-17
<<locked>>
81%
45948
72%
**87
100%
Alliant Reloder-19
<<locked>>
81%
34882
55%
**54
95%
[Alliant Reloder-22]*
<<locked>>
81%
30385
48%
**88
93%
Alliant Reloder-23
<<locked>>
81%
29312
46%
**65
99%
[Alliant Reloder-25]*
<<locked>>
81%
25527
40%
**73
94%
Alliant Reloder-26
<<locked>>
81%
31386
49%
**80
98%
[Hodgdon H1000]*
<<locked>>
90%
30690
48%
**65
90%
Hodgdon H380
<<locked>>
81%
51982
81%
**03
100%
Hodgdon H414
<<locked>>
81%
47384
74%
**87
99%
Hodgdon H4350
<<locked>>
81%
38812
61%
**83
97%
[Hodgdon H4831]*
<<locked>>
83%
30777
48%
**39
90%
[Hodgdon H4831 SC]*
<<locked>>
81%
32445
51%
**78
91%
Hodgdon Hybrid 100V
<<locked>>
81%
37507
59%
**80
100%
Hodgdon LVR
<<locked>>
81%
44295
69%
**18
100%
[Hodgdon Retumbo]*
<<locked>>
88%
25556
40%
**67
90%
Hodgdon Superperformance
<<locked>>
81%
42409
66%
**38
98%
Hodgdon VARGET
<<locked>>
81%
50067
78%
**41
100%
IMR 4064
<<locked>>
81%
49705
78%
**28
100%
IMR 4166 Enduron
<<locked>>
81%
48486
76%
**11
99%
IMR 4350
<<locked>>
81%
40553
64%
**16
98%
IMR 4451 Enduron
<<locked>>
81%
46775
73%
**11
99%
IMR 4831
<<locked>>
81%
35926
56%
**57
99%
[IMR 4955 Enduron]*
<<locked>>
81%
33170
52%
**62
92%
[IMR 7828 SSC]*
<<locked>>
81%
31488
49%
**08
91%
Lovex S062
<<locked>>
81%
53185
83%
**64
100%
Lovex S065
<<locked>>
81%
44034
69%
**62
100%
Lovex S070
<<locked>>
81%
42134
66%
**49
99%
[Lovex S071]*
<<locked>>
81%
25817
40%
**24
94%
Norma 204
<<locked>>
81%
40132
63%
**49
97%
[Norma 217]*
<<locked>>
92%
25309
40%
**06
90%
Norma MRP
<<locked>>
81%
31691
50%
**51
95%
Norma URP
<<locked>>
81%
40886
64%
**65
100%
Ramshot Hunter
<<locked>>
81%
39755
62%
**62
99%
[Ramshot Magnum]*
<<locked>>
81%
27905
44%
**23
92%
ReloadSwiss RS 50
<<locked>>
81%
52025
82%
**90
100%
ReloadSwiss RS 60
<<locked>>
81%
44309
69%
**84
100%
ReloadSwiss RS 62
<<locked>>
81%
41191
65%
**92
100%
ReloadSwiss RS 70
<<locked>>
81%
39914
63%
**08
100%
[ReloadSwiss RS 76]*
<<locked>>
83%
25614
40%
**00
90%
[ReloadSwiss RS 80]*
<<locked>>
94%
32561
51%
**93
90%
Rottweil R 903
<<locked>>
81%
48544
76%
**34
100%
[Rottweil R 904]*
<<locked>>
81%
36463
57%
**47
94%
Rottweil R 905
<<locked>>
81%
33953
53%
**41
95%
Rottweil R 907
<<locked>>
81%
45092
71%
**82
99%
SNPE Vectan SP 11
<<locked>>
81%
49893
78%
**84
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
49690
78%
**36
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
43062
67%
**13
99%
Shooters World Long Rifle
<<locked>>
81%
44034
69%
**62
100%
Shooters World Precision
<<locked>>
81%
53185
83%
**64
100%
Somchem S355
<<locked>>
81%
48791
76%
**31
100%
[Somchem S361]*
<<locked>>
81%
36782
58%
**31
93%
Somchem S365
<<locked>>
81%
37318
58%
**23
100%
Somchem S385
<<locked>>
81%
34301
54%
**21
96%
Vihtavuori N135
<<locked>>
81%
47587
75%
**36
100%
Vihtavuori N150
<<locked>>
81%
41698
65%
**90
100%
Vihtavuori N160
<<locked>>
81%
44193
69%
**85
100%
[Vihtavuori N165]*
<<locked>>
81%
28660
45%
**87
93%
Vihtavuori N550
<<locked>>
81%
44846
70%
**28
100%
Vihtavuori N555
<<locked>>
81%
32706
51%
**34
99%
[Vihtavuori N560]*
<<locked>>
81%
30777
48%
**01
90%
[Vihtavuori N565]*
<<locked>>
85%
29486
46%
**75
90%
[Vihtavuori N568]*
<<locked>>
93%
33576
53%
**06
90%
Winchester 6.5 StaBALL
<<locked>>
81%
41437
65%
**29
100%
Winchester 760
<<locked>>
81%
47384
74%
**87
99%
Winchester StaBALL HD
<<locked>>
81%
23279
36%
**62
99%

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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