top of page

Load data for 8.5 mm Messner Magnum + .338 | 138gr | Sax KJG-SR

Recommended Powder(s): Hodgdon LEVERevolution, IMR 4895, Ramshot Big Game, ReloadSwiss RS 52, ReloadSwiss RS 60

8.5 mm Messner Magnum + .338 | 138gr | Sax KJG-SR

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.338 | 138gr | Sax KJG-SR
Manufacturer SKU:
G0016.9
Bullet Weight:
138gr | 8.9g
Bullet Diameter:
0.338" | 8.59mm
Bullet Length:
<<locked>>
Caliber:
8.5 mm Messner Magnum load data
Case Length (l3):
2.508" | 63.7mm
Cartridge Length (C.O.L.):
<<locked>>
Seated Depth:
<<locked>>
Shank Seated Depth:
<<locked>>
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_B12366_C1203
Last updated:
2026-05-21

Load data for 194 loads in caliber 8.5 mm Messner Magnum with .338 | 138gr | Sax KJG-SR bullet and 97 powders such as Hodgdon LEVERevolution, IMR 4895, Ramshot Big Game, ReloadSwiss RS 52, ReloadSwiss RS 60. 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".

  • No data yet

  • 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.

    .

    Loading_icon.gif

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 2206H
<<locked>>
90%
57348
90%
**68
99%
ADI AR 2208
<<locked>>
95%
57014
89%
**42
99%
ADI Benchmark 8208
<<locked>>
88%
56913
89%
**28
100%
Accurate 2015
<<locked>>
87%
57014
89%
**63
100%
Accurate 2460
<<locked>>
84%
57319
90%
**09
100%
Accurate 2495
<<locked>>
92%
56956
89%
**99
100%
Accurate 2520
<<locked>>
87%
57159
90%
**42
100%
[Accurate 2700]*
<<locked>>
92%
56811
89%
**60
94%
Accurate 4064
<<locked>>
94%
56884
89%
**35
100%
Accurate 4350
<<locked>>
97%
47398
74%
**20
96%
Alliant AR-Comp
<<locked>>
88%
56913
89%
**15
100%
Alliant Power Pro 2000-MR
<<locked>>
92%
57290
90%
**93
99%
Alliant Reloder- TS 15.5
<<locked>>
95%
57029
89%
**68
100%
Alliant Reloder-10x
<<locked>>
83%
56884
89%
**86
100%
Alliant Reloder-15
<<locked>>
93%
57217
90%
**78
99%
Alliant Reloder-16
<<locked>>
97%
46470
73%
**30
96%
Alliant Reloder-17
<<locked>>
97%
54549
85%
**33
99%
[Alliant Reloder-23]*
<<locked>>
97%
33460
52%
**92
93%
Baschieri & Pellagri 107
<<locked>>
89%
56840
89%
**71
98%
Bofors RP3
<<locked>>
95%
57159
90%
**71
100%
[Bofors RP7]*
<<locked>>
97%
54636
86%
**60
94%
Hodgdon BL-C2
<<locked>>
88%
56985
89%
**68
100%
Hodgdon Benchmark
<<locked>>
87%
57043
89%
**86
100%
Hodgdon CFE223
<<locked>>
85%
56927
89%
**40
99%
Hodgdon H322
<<locked>>
84%
57232
90%
**28
100%
Hodgdon H380
<<locked>>
94%
57377
90%
**61
98%
[Hodgdon H414]*
<<locked>>
97%
51097
80%
**86
94%
[Hodgdon H4350]*
<<locked>>
97%
55463
87%
**19
93%
Hodgdon H4895
<<locked>>
89%
57188
90%
**78
99%
Hodgdon Hybrid 100V
<<locked>>
97%
42946
67%
**99
97%
[Hodgdon Superperformance]*
<<locked>>
97%
52301
82%
**22
94%
Hodgdon VARGET
<<locked>>
90%
56884
89%
**42
99%
Hodgdon LEVERevolution 👍
<<locked>>
91%
57319
90%
**10
100%
Hodgdon TrailBoss
<<locked>>
96%
33127
52%
**26
100%
IMR 3031
<<locked>>
89%
56695
89%
**65
100%
IMR 4064
<<locked>>
93%
57290
90%
**38
99%
IMR 4166 Enduron
<<locked>>
91%
57435
90%
**99
96%
IMR 4198
<<locked>>
83%
56956
89%
**40
100%
[IMR 4350]*
<<locked>>
97%
47964
75%
**58
92%
IMR 4451 Enduron
<<locked>>
97%
56623
89%
**02
95%
IMR 4831
<<locked>>
97%
45455
71%
**61
96%
IMR 4895 👍
<<locked>>
92%
56724
89%
**91
99%
IMR 8208 XBR
<<locked>>
88%
56913
89%
**28
100%
Lovex D073.5
<<locked>>
84%
57290
90%
**09
100%
Lovex D073.6
<<locked>>
90%
57145
90%
**45
100%
Lovex S060
<<locked>>
90%
57377
90%
**96
99%
Lovex S062
<<locked>>
93%
57087
89%
**32
100%
Lovex S065
<<locked>>
97%
52330
82%
**30
96%
[Lovex S070]*
<<locked>>
97%
49472
78%
**91
94%
Norma 201
<<locked>>
90%
56724
89%
**19
100%
Norma 202
<<locked>>
90%
57232
90%
**28
100%
Norma 203B
<<locked>>
93%
56869
89%
**71
99%
Norma URP
<<locked>>
97%
47108
74%
**20
96%
Ramshot Big Game 👍
<<locked>>
93%
57029
89%
**88
99%
[Ramshot Hunter]*
<<locked>>
97%
46615
73%
**04
94%
Ramshot TAC
<<locked>>
88%
57334
90%
**22
97%
Ramshot Wild Boar
<<locked>>
88%
56753
89%
**51
99%
Ramshot X-Terminator
<<locked>>
85%
56971
89%
**99
99%
ReloadSwiss RS 14
<<locked>>
97%
33837
53%
**88
100%
ReloadSwiss RS 40
<<locked>>
84%
57290
90%
**22
100%
ReloadSwiss RS 50
<<locked>>
93%
57072
89%
**22
96%
ReloadSwiss RS 52 👍
<<locked>>
90%
56884
89%
**37
99%
ReloadSwiss RS 60 👍
<<locked>>
96%
56869
89%
**83
100%
ReloadSwiss RS 62
<<locked>>
97%
47456
74%
**43
96%
ReloadSwiss RS 70
<<locked>>
97%
47747
75%
**56
95%
Rottweil R 901
<<locked>>
88%
57319
90%
**12
100%
Rottweil R 902
<<locked>>
92%
57421
90%
**19
100%
Rottweil R 903
<<locked>>
97%
57319
90%
**65
100%
[Rottweil R 907]*
<<locked>>
97%
54636
86%
**60
94%
SNPE Vectan SP 11
<<locked>>
95%
57058
89%
**91
99%
SNPE Vectan SP 7
<<locked>>
88%
56739
89%
**25
98%
SNPE Vectan SP 9
<<locked>>
90%
57203
90%
**45
99%
SNPE Vectan Tubal 3000
<<locked>>
89%
57348
90%
**50
100%
SNPE Vectan Tubal 5000
<<locked>>
95%
57058
89%
**30
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
97%
52431
82%
**71
94%
Shooters World Long Rifle
<<locked>>
97%
52330
82%
**30
96%
Shooters World Match Rifle
<<locked>>
90%
57145
90%
**45
100%
Shooters World Precision
<<locked>>
93%
57087
89%
**32
100%
Somchem S321
<<locked>>
85%
57232
90%
**45
100%
Somchem S335
<<locked>>
90%
57145
90%
**50
100%
Somchem S341
<<locked>>
89%
56942
89%
**22
99%
Somchem S355
<<locked>>
97%
57217
90%
**61
99%
Somchem S365
<<locked>>
97%
42090
66%
**58
98%
Vihtavuori N130
<<locked>>
85%
56797
89%
**14
100%
Vihtavuori N133
<<locked>>
89%
57305
90%
**33
100%
Vihtavuori N135
<<locked>>
94%
57290
90%
**96
100%
Vihtavuori N140
<<locked>>
92%
57159
90%
**96
100%
Vihtavuori N150
<<locked>>
97%
55767
87%
**86
100%
Vihtavuori N160
<<locked>>
97%
49429
77%
**17
97%
Vihtavuori N530
<<locked>>
88%
57392
90%
**25
100%
Vihtavuori N540
<<locked>>
92%
56826
89%
**99
100%
Vihtavuori N550
<<locked>>
97%
48704
76%
**23
96%
[Vihtavuori N555]*
<<locked>>
97%
35563
56%
**84
93%
Winchester 6.5 StaBALL
<<locked>>
97%
50647
79%
**14
99%
Winchester 748
<<locked>>
88%
56768
89%
**68
100%
[Winchester 760]*
<<locked>>
97%
51517
81%
**02
94%
Winchester StaBALL Match
<<locked>>
90%
57203
90%
**61
99%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
43555
68%
**96
97%
[ADI AR 2208]*
<<locked>>
81%
37043
58%
**99
93%
ADI Benchmark 8208
<<locked>>
81%
45658
72%
**12
98%
Accurate 2015
<<locked>>
81%
47297
74%
**96
100%
Accurate 2460
<<locked>>
81%
51677
81%
**10
100%
Accurate 2495
<<locked>>
81%
39407
62%
**68
100%
Accurate 2520
<<locked>>
81%
46760
73%
**55
100%
[Accurate 2700]*
<<locked>>
83%
42859
67%
**71
90%
Accurate 4064
<<locked>>
81%
37275
58%
**48
99%
[Accurate 4350]*
<<locked>>
86%
32561
51%
**53
90%
Alliant AR-Comp
<<locked>>
81%
45295
71%
**19
100%
[Alliant Power Pro 2000-MR]*
<<locked>>
81%
39552
62%
**79
94%
Alliant Reloder- TS 15.5
<<locked>>
81%
36303
57%
**25
95%
Alliant Reloder-10x
<<locked>>
81%
53011
83%
**14
100%
Alliant Reloder-15
<<locked>>
81%
39131
61%
**04
95%
[Alliant Reloder-16]*
<<locked>>
87%
33779
53%
**79
90%
[Alliant Reloder-17]*
<<locked>>
81%
31444
49%
**36
91%
[Alliant Reloder-23]*
<<locked>>
94%
30197
47%
**74
90%
Baschieri & Pellagri 107
<<locked>>
81%
42786
67%
**82
95%
Bofors RP3
<<locked>>
81%
35926
56%
**22
95%
[Bofors RP7]*
<<locked>>
89%
42467
67%
**10
90%
Hodgdon BL-C2
<<locked>>
81%
44454
70%
**25
99%
Hodgdon Benchmark
<<locked>>
81%
47456
74%
**05
99%
Hodgdon CFE223
<<locked>>
81%
49023
77%
**83
97%
Hodgdon H322
<<locked>>
81%
52170
82%
**56
100%
[Hodgdon H380]*
<<locked>>
81%
36941
58%
**15
92%
[Hodgdon H414]*
<<locked>>
90%
40306
63%
**40
90%
[Hodgdon H4350]*
<<locked>>
90%
44947
70%
**05
90%
Hodgdon H4895
<<locked>>
81%
43918
69%
**99
97%
[Hodgdon Hybrid 100V]*
<<locked>>
84%
28718
45%
**92
90%
[Hodgdon Superperformance]*
<<locked>>
91%
42873
67%
**09
90%
Hodgdon VARGET
<<locked>>
81%
42119
66%
**46
97%
Hodgdon LEVERevolution
<<locked>>
81%
39871
62%
**56
97%
Hodgdon TrailBoss
<<locked>>
81%
26339
41%
**55
100%
IMR 3031
<<locked>>
81%
43221
68%
**22
100%
IMR 4064
<<locked>>
81%
38899
61%
**45
95%
[IMR 4166 Enduron]*
<<locked>>
81%
41495
65%
**71
91%
IMR 4198
<<locked>>
81%
53345
84%
**81
100%
[IMR 4350]*
<<locked>>
93%
42105
66%
**23
90%
[IMR 4451 Enduron]*
<<locked>>
86%
40495
63%
**61
90%
[IMR 4831]*
<<locked>>
86%
31792
50%
**10
90%
IMR 4895
<<locked>>
81%
40161
63%
**36
96%
IMR 8208 XBR
<<locked>>
81%
45658
72%
**12
98%
Lovex D073.5
<<locked>>
81%
51692
81%
**10
100%
Lovex D073.6
<<locked>>
81%
42337
66%
**63
99%
Lovex S060
<<locked>>
81%
43772
69%
**33
97%
Lovex S062
<<locked>>
81%
38609
60%
**51
97%
[Lovex S065]*
<<locked>>
85%
35679
56%
**53
90%
[Lovex S070]*
<<locked>>
90%
39160
61%
**61
90%
Norma 201
<<locked>>
81%
42525
67%
**33
98%
Norma 202
<<locked>>
81%
42714
67%
**50
99%
Norma 203B
<<locked>>
81%
38667
61%
**94
95%
[Norma URP]*
<<locked>>
86%
32808
51%
**53
90%
Ramshot Big Game
<<locked>>
81%
38087
60%
**91
95%
[Ramshot Hunter]*
<<locked>>
91%
37898
59%
**77
90%
[Ramshot TAC]*
<<locked>>
81%
45745
72%
**99
94%
Ramshot Wild Boar
<<locked>>
81%
45049
71%
**22
97%
Ramshot X-Terminator
<<locked>>
81%
49588
78%
**71
98%
ReloadSwiss RS 14
<<locked>>
81%
26600
42%
**01
100%
ReloadSwiss RS 40
<<locked>>
81%
51401
81%
**20
100%
[ReloadSwiss RS 50]*
<<locked>>
81%
37666
59%
**09
90%
ReloadSwiss RS 52
<<locked>>
81%
40698
64%
**12
95%
ReloadSwiss RS 60
<<locked>>
81%
33475
52%
**22
96%
[ReloadSwiss RS 62]*
<<locked>>
87%
33373
52%
**86
90%
[ReloadSwiss RS 70]*
<<locked>>
89%
37043
58%
**77
90%
Rottweil R 901
<<locked>>
81%
46441
73%
**12
100%
Rottweil R 902
<<locked>>
81%
40596
64%
**84
97%
[Rottweil R 903]*
<<locked>>
81%
33605
53%
**43
94%
[Rottweil R 907]*
<<locked>>
89%
42467
67%
**10
90%
[SNPE Vectan SP 11]*
<<locked>>
81%
34795
55%
**05
93%
[SNPE Vectan SP 7]*
<<locked>>
81%
43888
69%
**59
94%
SNPE Vectan SP 9
<<locked>>
81%
41945
66%
**43
96%
SNPE Vectan Tubal 3000
<<locked>>
81%
44280
69%
**17
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
36492
57%
**40
99%
[SNPE Vectan Tubal 7000]*
<<locked>>
89%
39566
62%
**05
90%
[Shooters World Long Rifle]*
<<locked>>
85%
35679
56%
**53
90%
Shooters World Match Rifle
<<locked>>
81%
42337
66%
**63
99%
Shooters World Precision
<<locked>>
81%
38609
60%
**51
97%
Somchem S321
<<locked>>
81%
49734
78%
**10
99%
Somchem S335
<<locked>>
81%
43497
68%
**00
100%
Somchem S341
<<locked>>
81%
43671
68%
**66
97%
[Somchem S355]*
<<locked>>
81%
34548
54%
**63
94%
[Somchem S365]*
<<locked>>
83%
26745
42%
**79
90%
Vihtavuori N130
<<locked>>
81%
49937
78%
**02
100%
Vihtavuori N133
<<locked>>
81%
44338
69%
**07
100%
Vihtavuori N135
<<locked>>
81%
37681
59%
**35
100%
Vihtavuori N140
<<locked>>
81%
40509
63%
**74
99%
Vihtavuori N150
<<locked>>
81%
32866
51%
**87
95%
[Vihtavuori N160]*
<<locked>>
84%
32895
52%
**23
90%
Vihtavuori N530
<<locked>>
81%
45788
72%
**09
98%
Vihtavuori N540
<<locked>>
81%
39030
61%
**51
99%
[Vihtavuori N550]*
<<locked>>
85%
33243
52%
**40
90%
[Vihtavuori N555]*
<<locked>>
93%
31038
49%
**43
90%
[Winchester 6.5 StaBALL]*
<<locked>>
81%
29617
46%
**79
91%
Winchester 748
<<locked>>
81%
45150
71%
**58
99%
[Winchester 760]*
<<locked>>
90%
40118
63%
**40
90%
Winchester StaBALL Match
<<locked>>
81%
41408
65%
**43
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

bottom of page