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Load data for 8.5 mm Messner Magnum + .338 | 225gr | Remington PSP

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

8.5 mm Messner Magnum + .338 | 225gr | Remington PSP

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.338 | 225gr | Remington PSP
Bullet Weight:
225gr | 14.6g
Bullet Diameter:
0.338" | 8.59mm
Bullet Length:
1.000" | 25.4mm
Caliber:
8.5 mm Messner Magnum load data
Case Length (l3):
2.508" | 63.7mm
Cartridge Length (C.O.L.):
3.386" | 86.0mm
Seated Depth:
0.122" | 3.1mm
Shank Seated Depth:
0.122" | 3.1mm
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_B5186_C1203
Last updated:
2025-01-01

Load data for 142 loads in caliber 8.5 mm Messner Magnum with .338 | 225gr | Remington PSP bullet and 71 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 2209 👍
<<locked>>
93%
57029
89%
**00
99%
ADI AR 2213
<<locked>>
97%
57116
90%
**40
98%
ADI AR 2217
<<locked>>
97%
41858
66%
**48
95%
ADI AR 2225
<<locked>>
97%
37289
58%
**05
97%
Accurate 2700
<<locked>>
84%
57217
90%
**72
100%
Accurate 3100
<<locked>>
97%
56985
89%
**48
100%
Accurate 4350
<<locked>>
88%
57217
90%
**61
100%
Accurate MAGPRO
<<locked>>
97%
56695
89%
**49
97%
Alliant Reloder-16
<<locked>>
90%
57435
90%
**10
100%
Alliant Reloder-17
<<locked>>
85%
57000
89%
**04
100%
Alliant Reloder-19 👍
<<locked>>
94%
57101
89%
**00
99%
Alliant Reloder-22
<<locked>>
97%
56956
89%
**30
99%
Alliant Reloder-23
<<locked>>
97%
54766
86%
**64
100%
Alliant Reloder-25
<<locked>>
97%
46702
73%
**99
100%
Alliant Reloder-26 👍
<<locked>>
94%
56927
89%
**82
100%
Hodgdon H1000
<<locked>>
97%
41858
66%
**48
95%
Hodgdon H414
<<locked>>
84%
57217
90%
**84
100%
Hodgdon H4350
<<locked>>
91%
57305
90%
**41
100%
Hodgdon H4831
<<locked>>
97%
53214
83%
**18
97%
Hodgdon H4831 SC
<<locked>>
95%
56768
89%
**67
98%
Hodgdon Hybrid 100V
<<locked>>
91%
57348
90%
**25
100%
Hodgdon LVR
<<locked>>
87%
57159
90%
**64
100%
Hodgdon Retumbo
<<locked>>
97%
37289
58%
**05
97%
Hodgdon Superperformance
<<locked>>
87%
57029
89%
**17
100%
Hodgdon VARGET
<<locked>>
83%
57058
89%
**05
100%
Hodgdon TrailBoss
<<locked>>
96%
35172
55%
**32
100%
IMR 4064
<<locked>>
84%
57363
90%
**95
100%
IMR 4166 Enduron
<<locked>>
85%
57392
90%
**05
100%
IMR 4350
<<locked>>
90%
56971
89%
**31
100%
IMR 4451 Enduron
<<locked>>
86%
57319
90%
**22
100%
IMR 4831
<<locked>>
93%
57305
90%
**44
100%
IMR 4955 Enduron
<<locked>>
96%
56855
89%
**44
98%
IMR 7828 SSC
<<locked>>
96%
57290
90%
**56
99%
Lovex S065
<<locked>>
87%
56753
89%
**02
100%
Lovex S070
<<locked>>
88%
56898
89%
**28
100%
Lovex S071
<<locked>>
97%
47906
75%
**07
100%
Norma 204
<<locked>>
89%
56811
89%
**71
99%
[Norma 217]*
<<locked>>
97%
33272
52%
**23
94%
Norma MRP 👍
<<locked>>
95%
57217
90%
**69
100%
Norma URP
<<locked>>
89%
57334
90%
**64
100%
Ramshot Hunter
<<locked>>
90%
57290
90%
**90
100%
Ramshot Magnum
<<locked>>
97%
55854
88%
**07
100%
ReloadSwiss RS 14
<<locked>>
96%
35998
56%
**72
100%
ReloadSwiss RS 60
<<locked>>
86%
56956
89%
**13
100%
ReloadSwiss RS 62
<<locked>>
88%
56869
89%
**81
100%
ReloadSwiss RS 70
<<locked>>
89%
56739
89%
**33
100%
ReloadSwiss RS 76
<<locked>>
97%
45876
72%
**38
99%
[ReloadSwiss RS 80]*
<<locked>>
97%
41292
65%
**07
93%
Rottweil R 903
<<locked>>
84%
57014
89%
**02
100%
Rottweil R 904
<<locked>>
93%
57261
90%
**51
98%
Rottweil R 905 👍
<<locked>>
94%
57145
90%
**94
99%
Rottweil R 907
<<locked>>
86%
56927
89%
**12
100%
SNPE Vectan Tubal 5000
<<locked>>
84%
57334
90%
**80
100%
SNPE Vectan Tubal 7000
<<locked>>
88%
57145
90%
**79
100%
Shooters World Long Rifle
<<locked>>
87%
56753
89%
**02
100%
Somchem S355
<<locked>>
84%
56927
89%
**02
100%
Somchem S361
<<locked>>
92%
56826
89%
**12
98%
Somchem S365
<<locked>>
90%
56724
89%
**58
100%
Somchem S385
<<locked>>
94%
57305
90%
**58
100%
Vihtavuori N135
<<locked>>
85%
57232
90%
**17
100%
Vihtavuori N150
<<locked>>
89%
57174
90%
**59
100%
Vihtavuori N160
<<locked>>
86%
57261
90%
**31
100%
Vihtavuori N165
<<locked>>
97%
52765
83%
**82
99%
Vihtavuori N550
<<locked>>
86%
56942
89%
**67
100%
Vihtavuori N555
<<locked>>
95%
57029
89%
**87
100%
Vihtavuori N560
<<locked>>
96%
56739
89%
**53
98%
Vihtavuori N565
<<locked>>
97%
49124
77%
**05
97%
[Vihtavuori N568]*
<<locked>>
97%
42714
67%
**26
93%
Winchester 6.5 StaBALL
<<locked>>
88%
57319
90%
**99
100%
Winchester 760
<<locked>>
84%
57217
90%
**84
100%
Winchester StaBALL HD
<<locked>>
97%
50850
80%
**27
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
37782
59%
**33
95%
[ADI AR 2213]*
<<locked>>
81%
33779
53%
**57
91%
[ADI AR 2217]*
<<locked>>
89%
32648
51%
**18
90%
[ADI AR 2225]*
<<locked>>
87%
27485
43%
**10
90%
Accurate 2700
<<locked>>
81%
51721
81%
**94
99%
Accurate 3100
<<locked>>
81%
33663
53%
**11
96%
Accurate 4350
<<locked>>
81%
45368
71%
**71
100%
[Accurate MAGPRO]*
<<locked>>
85%
36854
58%
**59
90%
Alliant Reloder-16
<<locked>>
81%
43265
68%
**71
100%
Alliant Reloder-17
<<locked>>
81%
50096
78%
**02
100%
Alliant Reloder-19
<<locked>>
81%
37869
59%
**39
95%
[Alliant Reloder-22]*
<<locked>>
81%
33591
53%
**67
93%
Alliant Reloder-23
<<locked>>
81%
32198
50%
**44
99%
[Alliant Reloder-25]*
<<locked>>
81%
28152
44%
**43
94%
Alliant Reloder-26
<<locked>>
81%
34954
55%
**72
98%
[Hodgdon H1000]*
<<locked>>
89%
32648
51%
**18
90%
Hodgdon H414
<<locked>>
81%
50995
80%
**85
99%
Hodgdon H4350
<<locked>>
81%
41640
65%
**62
97%
[Hodgdon H4831]*
<<locked>>
82%
33127
52%
**02
90%
[Hodgdon H4831 SC]*
<<locked>>
81%
35389
55%
**61
91%
Hodgdon Hybrid 100V
<<locked>>
81%
40814
64%
**59
100%
Hodgdon LVR
<<locked>>
81%
47688
75%
**17
100%
[Hodgdon Retumbo]*
<<locked>>
87%
27485
43%
**10
90%
Hodgdon Superperformance
<<locked>>
81%
46427
73%
**36
99%
Hodgdon VARGET
<<locked>>
81%
53142
83%
**43
100%
Hodgdon TrailBoss
<<locked>>
87%
30676
48%
**44
100%
IMR 4064
<<locked>>
81%
52663
83%
**30
100%
IMR 4166 Enduron
<<locked>>
81%
51256
80%
**03
99%
IMR 4350
<<locked>>
81%
43656
68%
**05
98%
IMR 4451 Enduron
<<locked>>
81%
49777
78%
**07
99%
IMR 4831
<<locked>>
81%
39001
61%
**30
99%
[IMR 4955 Enduron]*
<<locked>>
81%
35781
56%
**34
92%
[IMR 7828 SSC]*
<<locked>>
81%
34330
54%
**90
91%
Lovex S065
<<locked>>
81%
47210
74%
**51
100%
Lovex S070
<<locked>>
81%
45411
71%
**41
99%
[Lovex S071]*
<<locked>>
81%
28732
45%
**87
94%
Norma 204
<<locked>>
81%
43584
68%
**44
97%
[Norma 217]*
<<locked>>
91%
27702
43%
**59
90%
Norma MRP
<<locked>>
81%
34838
55%
**30
95%
Norma URP
<<locked>>
81%
44440
70%
**61
100%
Ramshot Hunter
<<locked>>
81%
43294
68%
**48
99%
[Ramshot Magnum]*
<<locked>>
81%
30850
48%
**88
92%
ReloadSwiss RS 14
<<locked>>
83%
29718
47%
**47
100%
ReloadSwiss RS 60
<<locked>>
81%
48109
75%
**89
100%
ReloadSwiss RS 62
<<locked>>
81%
45078
71%
**94
100%
ReloadSwiss RS 70
<<locked>>
81%
43337
68%
**00
100%
[ReloadSwiss RS 76]*
<<locked>>
83%
27891
44%
**52
90%
[ReloadSwiss RS 80]*
<<locked>>
93%
35476
56%
**72
90%
Rottweil R 903
<<locked>>
81%
52533
82%
**40
100%
[Rottweil R 904]*
<<locked>>
81%
39146
61%
**23
94%
Rottweil R 905
<<locked>>
81%
37043
58%
**20
95%
Rottweil R 907
<<locked>>
81%
48341
76%
**80
99%
SNPE Vectan Tubal 5000
<<locked>>
81%
52547
82%
**21
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
46296
73%
**02
99%
Shooters World Long Rifle
<<locked>>
81%
47210
74%
**51
100%
Somchem S355
<<locked>>
81%
52330
82%
**33
100%
[Somchem S361]*
<<locked>>
81%
39885
62%
**10
93%
Somchem S365
<<locked>>
81%
41263
65%
**18
100%
Somchem S385
<<locked>>
81%
37681
59%
**10
96%
Vihtavuori N135
<<locked>>
81%
50850
80%
**21
100%
Vihtavuori N150
<<locked>>
81%
44875
70%
**75
100%
Vihtavuori N160
<<locked>>
81%
47892
75%
**80
100%
[Vihtavuori N165]*
<<locked>>
81%
31546
49%
**56
93%
Vihtavuori N550
<<locked>>
81%
48254
76%
**20
100%
Vihtavuori N555
<<locked>>
81%
36245
57%
**20
99%
[Vihtavuori N560]*
<<locked>>
81%
33576
53%
**74
90%
[Vihtavuori N565]*
<<locked>>
84%
32140
50%
**41
90%
[Vihtavuori N568]*
<<locked>>
92%
36347
57%
**75
90%
Winchester 6.5 StaBALL
<<locked>>
81%
45107
71%
**18
100%
Winchester 760
<<locked>>
81%
50995
80%
**85
99%
Winchester StaBALL HD
<<locked>>
81%
27166
43%
**41
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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