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Load data for 8.5 mm Messner Magnum + .338 | 300gr | Berger Elite Hunter

Recommended Powder(s): ADI AR 2213, Alliant Reloder-22, IMR 7828 SSC, Ramshot Magnum, Vihtavuori N560

8.5 mm Messner Magnum + .338 | 300gr | Berger Elite Hunter

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.338 | 300gr | Berger Elite Hunter
Manufacturer SKU:
33556
Bullet Weight:
300gr | 19.4g
Bullet Diameter:
0.338" | 8.59mm
Bullet Length:
1.816" | 46.1mm
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:
0.911" | 23.1mm
Shank Seated Depth:
0.641" | 16.3mm
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_B1135_C1203
Last updated:
2025-01-01
Recommended Twist Rate:
1:11 - 1:9

Load data for 132 loads in caliber 8.5 mm Messner Magnum with .338 | 300gr | Berger Elite Hunter bullet and 66 powders such as ADI AR 2213, Alliant Reloder-22, IMR 7828 SSC, Ramshot Magnum, Vihtavuori N560. 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>>
92%
57261
90%
**87
100%
ADI AR 2213 👍
<<locked>>
95%
56942
89%
**23
100%
ADI AR 2217
<<locked>>
97%
43816
69%
**26
98%
ADI AR 2225
<<locked>>
97%
39363
62%
**10
100%
Accurate 3100
<<locked>>
95%
57276
90%
**38
100%
Accurate 4350
<<locked>>
86%
57305
90%
**34
100%
Accurate MAGPRO
<<locked>>
96%
56898
89%
**46
99%
Alliant Reloder-16
<<locked>>
88%
57058
89%
**67
100%
Alliant Reloder-17
<<locked>>
83%
56913
89%
**67
100%
Alliant Reloder-19
<<locked>>
92%
56971
89%
**84
100%
Alliant Reloder-22 👍
<<locked>>
95%
56608
89%
**20
100%
Alliant Reloder-23
<<locked>>
97%
56710
89%
**67
100%
Alliant Reloder-25
<<locked>>
97%
49298
77%
**41
100%
Alliant Reloder-26
<<locked>>
93%
57232
90%
**59
100%
[Alliant Reloder-33]*
<<locked>>
97%
39653
62%
**26
93%
Hodgdon H1000
<<locked>>
97%
43816
69%
**26
98%
Hodgdon H4350
<<locked>>
90%
57101
89%
**21
100%
Hodgdon H4831
<<locked>>
97%
55143
86%
**44
99%
Hodgdon H4831 SC
<<locked>>
94%
57290
90%
**70
99%
Hodgdon Hybrid 100V
<<locked>>
90%
57072
89%
**95
100%
Hodgdon LVR
<<locked>>
85%
56739
89%
**31
100%
Hodgdon Retumbo
<<locked>>
97%
39363
62%
**10
100%
Hodgdon Superperformance
<<locked>>
85%
56985
89%
**97
100%
IMR 4166 Enduron
<<locked>>
83%
57421
90%
**82
100%
IMR 4350
<<locked>>
88%
57101
89%
**25
100%
IMR 4451 Enduron
<<locked>>
84%
57087
89%
**02
100%
IMR 4831
<<locked>>
92%
57159
90%
**25
100%
IMR 4955 Enduron
<<locked>>
95%
56869
89%
**34
99%
IMR 7828 SSC 👍
<<locked>>
94%
56898
89%
**33
100%
[IMR 7977 Enduron]*
<<locked>>
97%
51880
81%
**26
93%
IMR 8133 Enduron
<<locked>>
97%
35404
55%
**24
96%
Lovex S065
<<locked>>
86%
57159
90%
**95
100%
Lovex S070
<<locked>>
87%
56826
89%
**15
100%
Lovex S071
<<locked>>
97%
50125
79%
**49
100%
Norma 204
<<locked>>
88%
57072
89%
**64
100%
Norma 217
<<locked>>
97%
35215
55%
**47
98%
Norma MRP
<<locked>>
93%
56884
89%
**39
100%
Norma URP
<<locked>>
87%
57072
89%
**41
100%
Ramshot Hunter
<<locked>>
88%
57319
90%
**67
100%
Ramshot Magnum 👍
<<locked>>
96%
57232
90%
**10
100%
ReloadSwiss RS 60
<<locked>>
84%
57232
90%
**87
100%
ReloadSwiss RS 62
<<locked>>
87%
57392
90%
**64
100%
ReloadSwiss RS 70
<<locked>>
87%
56898
89%
**07
100%
ReloadSwiss RS 76
<<locked>>
97%
48008
75%
**90
100%
ReloadSwiss RS 80
<<locked>>
97%
43323
68%
**95
97%
Rottweil R 904
<<locked>>
91%
56956
89%
**41
100%
Rottweil R 905
<<locked>>
92%
56753
89%
**74
100%
Rottweil R 907
<<locked>>
85%
56942
89%
**02
100%
SNPE Vectan Tubal 7000
<<locked>>
86%
57421
90%
**72
100%
Shooters World Long Rifle
<<locked>>
86%
57159
90%
**95
100%
Somchem S361
<<locked>>
91%
57000
89%
**21
99%
Somchem S365
<<locked>>
89%
56724
89%
**34
100%
Somchem S385
<<locked>>
92%
57435
90%
**54
100%
Vihtavuori N135
<<locked>>
83%
56681
89%
**80
100%
Vihtavuori N150
<<locked>>
88%
57276
90%
**46
100%
Vihtavuori N160
<<locked>>
85%
57377
90%
**08
100%
Vihtavuori N165
<<locked>>
97%
55172
86%
**18
100%
[Vihtavuori N170]*
<<locked>>
97%
41075
64%
**28
92%
Vihtavuori N550
<<locked>>
84%
56623
89%
**38
100%
Vihtavuori N555
<<locked>>
93%
57014
89%
**64
100%
Vihtavuori N560 👍
<<locked>>
95%
57043
89%
**49
100%
Vihtavuori N565
<<locked>>
97%
51750
81%
**61
99%
Vihtavuori N568
<<locked>>
97%
45107
71%
**11
97%
[Vihtavuori N570]*
<<locked>>
97%
43076
68%
**95
94%
Winchester 6.5 StaBALL
<<locked>>
87%
56782
89%
**79
100%
Winchester StaBALL HD
<<locked>>
97%
54520
85%
**52
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
39842
62%
**24
98%
ADI AR 2213
<<locked>>
81%
35375
55%
**59
95%
[ADI AR 2217]*
<<locked>>
81%
26411
41%
**39
90%
[ADI AR 2225]*
<<locked>>
81%
23989
38%
**09
92%
Accurate 3100
<<locked>>
81%
35592
56%
**13
99%
Accurate 4350
<<locked>>
81%
47747
75%
**13
100%
[Accurate MAGPRO]*
<<locked>>
81%
34214
54%
**59
93%
Alliant Reloder-16
<<locked>>
81%
45701
72%
**20
100%
Alliant Reloder-17
<<locked>>
81%
52707
83%
**15
100%
Alliant Reloder-19
<<locked>>
81%
39784
62%
**21
98%
Alliant Reloder-22
<<locked>>
81%
35389
55%
**72
97%
Alliant Reloder-23
<<locked>>
81%
34127
53%
**36
100%
Alliant Reloder-25
<<locked>>
81%
29805
47%
**73
98%
Alliant Reloder-26
<<locked>>
81%
37188
58%
**64
100%
[Alliant Reloder-33]*
<<locked>>
92%
34258
54%
**05
90%
[Hodgdon H1000]*
<<locked>>
81%
26411
41%
**39
90%
Hodgdon H4350
<<locked>>
81%
43584
68%
**28
99%
[Hodgdon H4831]*
<<locked>>
81%
33446
52%
**77
94%
Hodgdon H4831 SC
<<locked>>
81%
37086
58%
**52
95%
Hodgdon Hybrid 100V
<<locked>>
81%
43047
67%
**15
100%
Hodgdon LVR
<<locked>>
81%
50183
79%
**52
100%
[Hodgdon Retumbo]*
<<locked>>
81%
23989
38%
**09
92%
Hodgdon Superperformance
<<locked>>
81%
48805
76%
**88
100%
IMR 4166 Enduron
<<locked>>
81%
53374
84%
**29
100%
IMR 4350
<<locked>>
81%
45818
72%
**64
100%
IMR 4451 Enduron
<<locked>>
81%
51880
81%
**36
100%
IMR 4831
<<locked>>
81%
41176
65%
**01
100%
IMR 4955 Enduron
<<locked>>
81%
37652
59%
**29
96%
IMR 7828 SSC
<<locked>>
81%
36143
57%
**88
96%
[IMR 7977 Enduron]*
<<locked>>
91%
43062
67%
**92
90%
[IMR 8133 Enduron]*
<<locked>>
87%
25947
41%
**85
90%
Lovex S065
<<locked>>
81%
49400
77%
**90
100%
Lovex S070
<<locked>>
81%
47543
75%
**87
100%
Lovex S071
<<locked>>
81%
30589
48%
**08
98%
Norma 204
<<locked>>
81%
45513
71%
**97
99%
[Norma 217]*
<<locked>>
82%
22234
35%
**86
90%
Norma MRP
<<locked>>
81%
37043
58%
**31
99%
Norma URP
<<locked>>
81%
46630
73%
**00
100%
Ramshot Hunter
<<locked>>
81%
45397
71%
**06
100%
Ramshot Magnum
<<locked>>
81%
32648
51%
**16
97%
ReloadSwiss RS 60
<<locked>>
81%
50836
80%
**08
100%
ReloadSwiss RS 62
<<locked>>
81%
47572
75%
**36
100%
ReloadSwiss RS 70
<<locked>>
81%
45716
72%
**56
100%
ReloadSwiss RS 76
<<locked>>
81%
27963
44%
**60
95%
[ReloadSwiss RS 80]*
<<locked>>
85%
28514
45%
**67
90%
Rottweil R 904
<<locked>>
81%
41147
64%
**98
97%
Rottweil R 905
<<locked>>
81%
39189
61%
**08
98%
Rottweil R 907
<<locked>>
81%
50473
79%
**16
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
48443
76%
**54
100%
Shooters World Long Rifle
<<locked>>
81%
49400
77%
**90
100%
Somchem S361
<<locked>>
81%
41785
65%
**98
97%
Somchem S365
<<locked>>
81%
43772
69%
**67
100%
Somchem S385
<<locked>>
81%
39552
62%
**88
99%
Vihtavuori N135
<<locked>>
81%
53272
83%
**41
100%
Vihtavuori N150
<<locked>>
81%
46934
74%
**15
100%
Vihtavuori N160
<<locked>>
81%
50096
78%
**20
100%
Vihtavuori N165
<<locked>>
81%
33286
52%
**64
97%
[Vihtavuori N170]*
<<locked>>
94%
37217
58%
**52
90%
Vihtavuori N550
<<locked>>
81%
50778
80%
**62
100%
Vihtavuori N555
<<locked>>
81%
38435
60%
**01
100%
Vihtavuori N560
<<locked>>
81%
35534
56%
**88
95%
[Vihtavuori N565]*
<<locked>>
81%
30356
48%
**67
93%
[Vihtavuori N568]*
<<locked>>
84%
29602
46%
**73
90%
[Vihtavuori N570]*
<<locked>>
91%
34679
54%
**18
90%
Winchester 6.5 StaBALL
<<locked>>
81%
47355
74%
**64
100%
Winchester StaBALL HD
<<locked>>
81%
29515
46%
**59
100%

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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