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Load data for 8.5 mm Messner Magnum + .338 | 245gr | Lehigh Defense Match Solid

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

8.5 mm Messner Magnum + .338 | 245gr | Lehigh Defense Match Solid

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.338 | 245gr | Lehigh Defense Match Solid
Manufacturer SKU:
338245SP
Bullet Weight:
245gr | 15.9g
Bullet Diameter:
0.338" | 8.59mm
Bullet Length:
1.800" | 45.7mm
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:
0.895" | 22.7mm
Shank Seated Depth:
0.651" | 16.5mm
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_B11055_C1203
Last updated:
2025-11-05
Recommended Twist Rate:
1:10 - 1:8

Load data for 160 loads in caliber 8.5 mm Messner Magnum with .338 | 245gr | Lehigh Defense Match Solid bullet and 80 powders such as Alliant Reloder-26, Hodgdon Superperformance, IMR 4831, Norma 204, Ramshot Hunter. 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>>
86%
57377
90%
**38
100%
ADI AR 2209
<<locked>>
97%
56971
89%
**33
99%
ADI AR 2213
<<locked>>
97%
50662
79%
**74
97%
[ADI AR 2217]*
<<locked>>
97%
37014
58%
**95
92%
[ADI AR 2225]*
<<locked>>
97%
32938
52%
**59
94%
Accurate 2700
<<locked>>
87%
57348
90%
**15
99%
Accurate 3100
<<locked>>
97%
50241
79%
**95
100%
Accurate 4064
<<locked>>
84%
57435
90%
**05
100%
Accurate 4350
<<locked>>
91%
56971
89%
**03
100%
Accurate MAGPRO
<<locked>>
97%
48776
76%
**61
95%
Alliant Reloder- TS 15.5
<<locked>>
85%
56927
89%
**41
100%
Alliant Reloder-15
<<locked>>
83%
56811
89%
**61
100%
Alliant Reloder-16
<<locked>>
93%
57377
90%
**49
100%
Alliant Reloder-17
<<locked>>
88%
57392
90%
**46
100%
Alliant Reloder-19
<<locked>>
97%
55941
88%
**23
99%
Alliant Reloder-22
<<locked>>
97%
49734
78%
**71
98%
Alliant Reloder-23
<<locked>>
97%
47181
74%
**08
100%
Alliant Reloder-25
<<locked>>
97%
41437
65%
**46
99%
Alliant Reloder-26 👍
<<locked>>
97%
53954
85%
**95
100%
Hodgdon CFE223
<<locked>>
83%
57029
89%
**00
100%
[Hodgdon H1000]*
<<locked>>
97%
37014
58%
**95
92%
Hodgdon H380
<<locked>>
85%
57014
89%
**61
100%
Hodgdon H414
<<locked>>
88%
57188
90%
**23
100%
Hodgdon H4350
<<locked>>
95%
57421
90%
**80
100%
Hodgdon H4831
<<locked>>
97%
47224
74%
**59
96%
Hodgdon H4831 SC
<<locked>>
97%
53011
83%
**54
97%
Hodgdon Hybrid 100V
<<locked>>
95%
56623
89%
**57
100%
Hodgdon LVR
<<locked>>
90%
56956
89%
**03
100%
[Hodgdon Retumbo]*
<<locked>>
97%
32938
52%
**59
94%
Hodgdon Superperformance 👍
<<locked>>
90%
56927
89%
**59
100%
Hodgdon VARGET
<<locked>>
86%
57029
89%
**38
100%
IMR 4064
<<locked>>
87%
57305
90%
**28
100%
IMR 4166 Enduron
<<locked>>
88%
57334
90%
**31
100%
IMR 4350
<<locked>>
93%
56927
89%
**71
100%
IMR 4451 Enduron
<<locked>>
88%
56869
89%
**48
100%
IMR 4831 👍
<<locked>>
97%
57116
89%
**90
100%
IMR 4955 Enduron
<<locked>>
97%
52634
82%
**12
97%
IMR 7828 SSC
<<locked>>
97%
52286
82%
**10
97%
Lovex S062
<<locked>>
84%
57116
90%
**15
100%
Lovex S065
<<locked>>
90%
57159
90%
**51
100%
Lovex S070
<<locked>>
92%
57087
89%
**71
100%
Lovex S071
<<locked>>
97%
41713
65%
**57
99%
Norma 203B
<<locked>>
84%
56855
89%
**61
100%
Norma 204 👍
<<locked>>
92%
56869
89%
**13
99%
Norma MRP
<<locked>>
97%
53127
83%
**53
100%
Norma URP
<<locked>>
92%
57348
90%
**10
100%
Ramshot Big Game
<<locked>>
83%
57116
89%
**77
100%
Ramshot Hunter 👍
<<locked>>
93%
57305
90%
**33
100%
Ramshot Magnum
<<locked>>
97%
48008
75%
**31
99%
ReloadSwiss RS 50
<<locked>>
85%
56797
89%
**51
100%
ReloadSwiss RS 52
<<locked>>
84%
57246
90%
**74
100%
ReloadSwiss RS 60
<<locked>>
89%
57217
90%
**69
100%
ReloadSwiss RS 62
<<locked>>
92%
57232
90%
**30
100%
ReloadSwiss RS 70
<<locked>>
92%
56927
89%
**79
100%
ReloadSwiss RS 76
<<locked>>
97%
39842
62%
**62
97%
Rottweil R 903
<<locked>>
87%
57087
89%
**48
100%
Rottweil R 904
<<locked>>
96%
57377
90%
**90
98%
Rottweil R 905
<<locked>>
97%
55680
87%
**13
99%
Rottweil R 907
<<locked>>
89%
57072
89%
**54
100%
SNPE Vectan SP 11
<<locked>>
86%
57363
90%
**84
100%
SNPE Vectan Tubal 5000
<<locked>>
86%
57029
89%
**16
100%
SNPE Vectan Tubal 7000
<<locked>>
91%
57217
90%
**15
100%
Shooters World Long Rifle
<<locked>>
90%
57159
90%
**51
100%
Shooters World Precision
<<locked>>
84%
57116
90%
**15
100%
Somchem S355
<<locked>>
87%
56898
89%
**35
100%
Somchem S361
<<locked>>
95%
57261
90%
**57
98%
Somchem S365
<<locked>>
95%
57246
90%
**17
100%
Somchem S385
<<locked>>
97%
55666
87%
**80
99%
Vihtavuori N135
<<locked>>
88%
57334
90%
**59
100%
Vihtavuori N150
<<locked>>
92%
57130
90%
**02
100%
Vihtavuori N160
<<locked>>
90%
57159
90%
**67
100%
Vihtavuori N165
<<locked>>
97%
46441
73%
**30
98%
Vihtavuori N540
<<locked>>
83%
57087
89%
**98
100%
Vihtavuori N550
<<locked>>
90%
57334
90%
**13
100%
Vihtavuori N555
<<locked>>
97%
52823
83%
**77
100%
Vihtavuori N560
<<locked>>
97%
50227
79%
**97
97%
Vihtavuori N565
<<locked>>
97%
42279
66%
**46
95%
Winchester 6.5 StaBALL
<<locked>>
91%
57217
90%
**44
100%
Winchester 760
<<locked>>
88%
57188
90%
**23
100%
Winchester StaBALL HD
<<locked>>
97%
41727
65%
**64
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
49037
77%
**20
100%
[ADI AR 2209]*
<<locked>>
81%
33982
53%
**13
93%
[ADI AR 2213]*
<<locked>>
83%
32663
51%
**93
90%
[ADI AR 2217]*
<<locked>>
93%
33112
52%
**97
90%
[ADI AR 2225]*
<<locked>>
91%
27543
43%
**88
90%
Accurate 2700
<<locked>>
81%
47384
74%
**61
98%
Accurate 3100
<<locked>>
81%
29341
46%
**95
95%
Accurate 4064
<<locked>>
81%
52098
82%
**33
100%
Accurate 4350
<<locked>>
81%
39958
63%
**38
99%
[Accurate MAGPRO]*
<<locked>>
88%
36535
57%
**21
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
49893
78%
**43
100%
Alliant Reloder-15
<<locked>>
81%
53055
83%
**05
100%
Alliant Reloder-16
<<locked>>
81%
38769
61%
**44
99%
Alliant Reloder-17
<<locked>>
81%
44164
69%
**56
100%
[Alliant Reloder-19]*
<<locked>>
81%
33736
53%
**03
93%
[Alliant Reloder-22]*
<<locked>>
81%
29704
47%
**41
91%
Alliant Reloder-23
<<locked>>
81%
28529
45%
**21
98%
[Alliant Reloder-25]*
<<locked>>
81%
25077
39%
**19
92%
Alliant Reloder-26
<<locked>>
81%
30472
48%
**26
97%
Hodgdon CFE223
<<locked>>
81%
52199
82%
**35
100%
[Hodgdon H1000]*
<<locked>>
93%
33112
52%
**97
90%
Hodgdon H380
<<locked>>
81%
50299
79%
**69
100%
Hodgdon H414
<<locked>>
81%
45759
72%
**52
99%
Hodgdon H4350
<<locked>>
81%
37463
59%
**43
96%
[Hodgdon H4831]*
<<locked>>
86%
33185
52%
**74
90%
[Hodgdon H4831 SC]*
<<locked>>
83%
33315
52%
**74
90%
Hodgdon Hybrid 100V
<<locked>>
81%
36492
57%
**46
100%
Hodgdon LVR
<<locked>>
81%
42699
67%
**77
99%
[Hodgdon Retumbo]*
<<locked>>
91%
27543
43%
**88
90%
Hodgdon Superperformance
<<locked>>
81%
40944
64%
**93
97%
Hodgdon VARGET
<<locked>>
81%
48733
76%
**16
100%
IMR 4064
<<locked>>
81%
48312
76%
**97
100%
IMR 4166 Enduron
<<locked>>
81%
47442
74%
**77
99%
IMR 4350
<<locked>>
81%
39392
62%
**79
97%
IMR 4451 Enduron
<<locked>>
81%
45339
71%
**70
98%
IMR 4831
<<locked>>
81%
35041
55%
**20
98%
[IMR 4955 Enduron]*
<<locked>>
81%
32721
51%
**28
90%
[IMR 7828 SSC]*
<<locked>>
83%
32401
51%
**03
90%
Lovex S062
<<locked>>
81%
51851
81%
**49
100%
Lovex S065
<<locked>>
81%
42815
67%
**28
99%
Lovex S070
<<locked>>
81%
41046
64%
**11
98%
[Lovex S071]*
<<locked>>
81%
25382
40%
**80
92%
Norma 203B
<<locked>>
81%
52272
82%
**95
100%
Norma 204
<<locked>>
81%
38914
61%
**08
95%
[Norma MRP]*
<<locked>>
81%
30806
48%
**00
93%
Norma URP
<<locked>>
81%
39711
62%
**28
99%
Ramshot Big Game
<<locked>>
81%
52881
83%
**18
100%
Ramshot Hunter
<<locked>>
81%
38566
60%
**21
98%
[Ramshot Magnum]*
<<locked>>
82%
27905
44%
**85
90%
ReloadSwiss RS 50
<<locked>>
81%
50415
79%
**52
99%
ReloadSwiss RS 52
<<locked>>
81%
52373
82%
**08
100%
ReloadSwiss RS 60
<<locked>>
81%
42656
67%
**52
100%
ReloadSwiss RS 62
<<locked>>
81%
39755
62%
**51
99%
ReloadSwiss RS 70
<<locked>>
81%
38522
60%
**67
99%
[ReloadSwiss RS 76]*
<<locked>>
86%
27876
44%
**31
90%
Rottweil R 903
<<locked>>
81%
47224
74%
**03
100%
[Rottweil R 904]*
<<locked>>
81%
35346
55%
**00
92%
[Rottweil R 905]*
<<locked>>
81%
32793
51%
**93
93%
Rottweil R 907
<<locked>>
81%
44063
69%
**44
98%
SNPE Vectan SP 11
<<locked>>
81%
48428
76%
**59
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
48559
76%
**11
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
41901
66%
**72
98%
Shooters World Long Rifle
<<locked>>
81%
42815
67%
**28
99%
Shooters World Precision
<<locked>>
81%
51851
81%
**49
100%
Somchem S355
<<locked>>
81%
47369
74%
**03
100%
[Somchem S361]*
<<locked>>
81%
35839
56%
**87
91%
Somchem S365
<<locked>>
81%
36071
57%
**88
100%
[Somchem S385]*
<<locked>>
81%
33518
53%
**80
94%
Vihtavuori N135
<<locked>>
81%
46267
72%
**08
100%
Vihtavuori N150
<<locked>>
81%
40770
64%
**62
100%
Vihtavuori N160
<<locked>>
81%
42844
67%
**54
100%
[Vihtavuori N165]*
<<locked>>
81%
28181
44%
**42
91%
Vihtavuori N540
<<locked>>
81%
53127
83%
**49
100%
Vihtavuori N550
<<locked>>
81%
43207
68%
**93
100%
Vihtavuori N555
<<locked>>
81%
31589
49%
**90
98%
[Vihtavuori N560]*
<<locked>>
84%
33301
52%
**43
90%
[Vihtavuori N565]*
<<locked>>
89%
31966
50%
**16
90%
Winchester 6.5 StaBALL
<<locked>>
81%
40074
63%
**95
100%
Winchester 760
<<locked>>
81%
45759
72%
**52
99%
Winchester StaBALL HD
<<locked>>
81%
25164
39%
**01
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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