top of page

Load data for .338 Blaser Mag + .338 | 250gr | Berger Hybrid OTM

Recommended Powder(s):

.338 Blaser Mag + .338 | 250gr | Berger Hybrid OTM

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.338 | 250gr | Berger Hybrid OTM
Manufacturer SKU:
33104
Bullet Weight:
250gr | 16.2g
Bullet Diameter:
0.338" | 8.59mm
Bullet Length:
<<locked>>
Caliber:
.338 Blaser Mag load data
Case Length (l3):
2.508" | 63.7mm
Cartridge Length (C.O.L.):
<<locked>>
Seated Depth:
<<locked>>
Shank Seated Depth:
<<locked>>
Case Capacity:
92.6 Grains of Water | 6.01 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
60916 psi | 4200 bar
LID:
LID_B1131_C446
Last updated:
2026-05-28
Recommended Twist Rate:
1:11 - 1:10

Load data for 190 loads in caliber .338 Blaser Mag with .338 | 250gr | Berger Hybrid OTM bullet and 95 powder(s). 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 2208
<<locked>>
88%
54520
90%
**13
100%
ADI AR 2209
<<locked>>
97%
49110
81%
**13
97%
[ADI AR 2213]*
<<locked>>
97%
43569
72%
**44
93%
Accurate 2495
<<locked>>
85%
54781
90%
**44
100%
Accurate 2700
<<locked>>
86%
54491
89%
**80
98%
Accurate 3100
<<locked>>
97%
42061
69%
**85
98%
Accurate 4064
<<locked>>
87%
54810
90%
**90
100%
Accurate 4350
<<locked>>
95%
53780
88%
**72
100%
[Accurate MAGPRO]*
<<locked>>
97%
43395
71%
**80
92%
Alliant Power Pro 2000-MR
<<locked>>
85%
54650
90%
**41
100%
Alliant Reloder- TS 15.5
<<locked>>
88%
53925
89%
**23
100%
Alliant Reloder-15
<<locked>>
86%
54607
90%
**43
100%
Alliant Reloder-16 👍
<<locked>>
96%
54201
89%
**18
100%
Alliant Reloder-17
<<locked>>
92%
54317
89%
**28
100%
Alliant Reloder-19
<<locked>>
97%
48124
79%
**03
97%
Alliant Reloder-22
<<locked>>
97%
41989
69%
**44
95%
Alliant Reloder-23
<<locked>>
97%
39755
65%
**05
100%
Alliant Reloder-25
<<locked>>
97%
35288
58%
**26
96%
Alliant Reloder-26
<<locked>>
97%
44672
73%
**62
100%
Baschieri & Pellagri 107
<<locked>>
83%
54375
89%
**39
100%
[Bofors RP15]*
<<locked>>
97%
39131
64%
**88
94%
Bofors RP3
<<locked>>
88%
54534
90%
**33
100%
Bofors RP5
<<locked>>
97%
41989
69%
**44
95%
Bofors RP7
<<locked>>
92%
54563
90%
**20
99%
Hodgdon H380
<<locked>>
87%
54186
89%
**33
100%
Hodgdon H414
<<locked>>
93%
54041
89%
**92
99%
Hodgdon H4350
<<locked>>
91%
54708
90%
**59
98%
[Hodgdon H4831]*
<<locked>>
97%
47065
77%
**57
94%
[Hodgdon H4831 SC]*
<<locked>>
97%
45832
75%
**34
94%
Hodgdon Hybrid 100V
<<locked>>
97%
51895
85%
**16
100%
Hodgdon Superperformance
<<locked>>
93%
54157
89%
**21
99%
Hodgdon VARGET
<<locked>>
84%
54085
89%
**00
100%
Hodgdon LEVERevolution
<<locked>>
85%
54650
90%
**59
100%
Hodgdon TrailBoss
<<locked>>
96%
34200
56%
**99
100%
IMR 4064
<<locked>>
86%
54259
89%
**00
100%
IMR 4166 Enduron
<<locked>>
85%
54679
90%
**93
99%
IMR 4350
<<locked>>
95%
54128
89%
**36
99%
IMR 4451 Enduron
<<locked>>
91%
54230
89%
**20
99%
IMR 4831
<<locked>>
96%
53838
88%
**59
100%
IMR 4895
<<locked>>
85%
54462
89%
**46
100%
IMR 4955 Enduron
<<locked>>
97%
49066
81%
**61
95%
[IMR 7828 SSC]*
<<locked>>
97%
41307
68%
**08
93%
Lovex S060
<<locked>>
83%
54288
89%
**64
100%
Lovex S062
<<locked>>
87%
54302
89%
**90
100%
Lovex S065
<<locked>>
93%
54331
89%
**16
100%
Lovex S070
<<locked>>
94%
53925
89%
**33
99%
Lovex S071
<<locked>>
97%
34940
57%
**51
96%
Norma 201
<<locked>>
84%
54665
90%
**87
100%
Norma 202
<<locked>>
83%
54563
90%
**74
100%
Norma 203B
<<locked>>
86%
54592
90%
**43
100%
Norma 204
<<locked>>
95%
54665
90%
**82
98%
Norma MRP
<<locked>>
97%
44164
72%
**16
97%
Norma URP
<<locked>>
96%
54708
90%
**92
100%
Ramshot Big Game
<<locked>>
86%
54389
89%
**52
100%
[Ramshot Grand]*
<<locked>>
97%
41408
68%
**21
93%
Ramshot Hunter 👍
<<locked>>
96%
54592
90%
**05
100%
[Ramshot Magnum]*
<<locked>>
97%
36289
60%
**06
93%
ReloadSwiss RS 14
<<locked>>
97%
35172
58%
**42
100%
ReloadSwiss RS 50
<<locked>>
87%
54723
90%
**23
99%
ReloadSwiss RS 52
<<locked>>
83%
53882
88%
**82
100%
ReloadSwiss RS 60
<<locked>>
90%
54636
90%
**35
100%
ReloadSwiss RS 62 👍
<<locked>>
95%
54694
90%
**15
100%
ReloadSwiss RS 70 👍
<<locked>>
95%
53925
89%
**44
100%
[ReloadSwiss RS 76]*
<<locked>>
97%
33591
55%
**00
92%
Rottweil R 902
<<locked>>
85%
54317
89%
**74
100%
Rottweil R 903
<<locked>>
90%
54302
89%
**23
100%
Rottweil R 904
<<locked>>
97%
50386
83%
**90
96%
Rottweil R 905
<<locked>>
97%
47137
77%
**97
97%
Rottweil R 907
<<locked>>
92%
54563
90%
**20
99%
SNPE Vectan SP 11
<<locked>>
89%
54549
90%
**62
100%
SNPE Vectan SP 9
<<locked>>
84%
54810
90%
**26
100%
SNPE Vectan Tubal 5000
<<locked>>
89%
54259
89%
**98
100%
SNPE Vectan Tubal 7000
<<locked>>
93%
54578
90%
**84
99%
SNPE Vectan Tubal 8000
<<locked>>
97%
46688
77%
**87
97%
Shooters World Long Rifle
<<locked>>
93%
54331
89%
**16
100%
Shooters World Precision
<<locked>>
87%
54302
89%
**90
100%
Somchem S335
<<locked>>
83%
54505
89%
**15
100%
Somchem S355
<<locked>>
90%
54650
90%
**23
100%
Somchem S361
<<locked>>
97%
52489
86%
**90
95%
Somchem S365
<<locked>>
97%
51735
85%
**69
100%
Somchem S385
<<locked>>
97%
47500
78%
**74
98%
Vihtavuori N135
<<locked>>
87%
54157
89%
**38
100%
Vihtavuori N140
<<locked>>
85%
54737
90%
**54
100%
Vihtavuori N150
<<locked>>
91%
54650
90%
**87
100%
Vihtavuori N160
<<locked>>
94%
54331
89%
**49
100%
Vihtavuori N165
<<locked>>
97%
41075
67%
**52
95%
Vihtavuori N540
<<locked>>
86%
54810
90%
**77
100%
Vihtavuori N550
<<locked>>
95%
54476
89%
**69
100%
Vihtavuori N555
<<locked>>
97%
44121
72%
**74
100%
[Vihtavuori N560]*
<<locked>>
97%
44889
74%
**03
94%
Winchester 6.5 StaBALL
<<locked>>
94%
54650
90%
**26
100%
Winchester 760 👍
<<locked>>
93%
54418
89%
**95
99%
Winchester StaBALL HD
<<locked>>
97%
35636
59%
**31
100%
Winchester StaBALL Match
<<locked>>
84%
54447
89%
**26
100%
Winchester Supreme 780
<<locked>>
97%
44454
73%
**11
96%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
43468
71%
**46
100%
[ADI AR 2209]*
<<locked>>
83%
31604
52%
**62
90%
[ADI AR 2213]*
<<locked>>
91%
36100
59%
**87
90%
Accurate 2495
<<locked>>
81%
48095
79%
**62
100%
Accurate 2700
<<locked>>
81%
46673
77%
**62
97%
[Accurate 3100]*
<<locked>>
81%
24656
40%
**05
91%
Accurate 4064
<<locked>>
81%
45556
75%
**72
100%
Accurate 4350
<<locked>>
81%
33997
56%
**41
97%
[Accurate MAGPRO]*
<<locked>>
93%
38087
63%
**79
90%
Alliant Power Pro 2000-MR
<<locked>>
81%
47297
78%
**30
100%
Alliant Reloder- TS 15.5
<<locked>>
81%
43642
72%
**65
100%
Alliant Reloder-15
<<locked>>
81%
46673
77%
**25
100%
Alliant Reloder-16
<<locked>>
81%
33779
55%
**47
97%
Alliant Reloder-17
<<locked>>
81%
37753
62%
**59
100%
[Alliant Reloder-19]*
<<locked>>
82%
30806
51%
**52
90%
[Alliant Reloder-22]*
<<locked>>
87%
31270
51%
**01
90%
Alliant Reloder-23
<<locked>>
81%
24598
40%
**31
95%
[Alliant Reloder-25]*
<<locked>>
86%
25802
42%
**60
90%
[Alliant Reloder-26]*
<<locked>>
81%
25831
42%
**13
92%
Baschieri & Pellagri 107
<<locked>>
81%
50560
83%
**87
100%
[Bofors RP15]*
<<locked>>
90%
31256
51%
**01
90%
Bofors RP3
<<locked>>
81%
43743
72%
**82
100%
[Bofors RP5]*
<<locked>>
87%
31270
51%
**01
90%
Bofors RP7
<<locked>>
81%
38943
64%
**60
95%
Hodgdon H380
<<locked>>
81%
44411
73%
**88
99%
Hodgdon H414
<<locked>>
81%
36042
59%
**80
95%
Hodgdon H4350
<<locked>>
81%
39494
65%
**03
95%
[Hodgdon H4831]*
<<locked>>
89%
36825
60%
**67
90%
[Hodgdon H4831 SC]*
<<locked>>
90%
36825
60%
**67
90%
Hodgdon Hybrid 100V
<<locked>>
81%
31241
51%
**59
98%
[Hodgdon Superperformance]*
<<locked>>
81%
35230
58%
**87
94%
Hodgdon VARGET
<<locked>>
81%
49748
82%
**44
100%
Hodgdon LEVERevolution
<<locked>>
81%
48167
79%
**70
100%
Hodgdon TrailBoss
<<locked>>
93%
32967
54%
**76
100%
IMR 4064
<<locked>>
81%
45745
75%
**72
100%
IMR 4166 Enduron
<<locked>>
81%
48167
79%
**98
98%
[IMR 4350]*
<<locked>>
81%
34534
57%
**95
94%
IMR 4451 Enduron
<<locked>>
81%
40466
66%
**90
96%
IMR 4831
<<locked>>
81%
32808
54%
**98
97%
IMR 4895
<<locked>>
81%
47935
79%
**54
100%
[IMR 4955 Enduron]*
<<locked>>
86%
35607
58%
**08
90%
[IMR 7828 SSC]*
<<locked>>
92%
35781
59%
**93
90%
Lovex S060
<<locked>>
81%
50618
83%
**05
100%
Lovex S062
<<locked>>
81%
45832
75%
**75
100%
Lovex S065
<<locked>>
81%
37782
62%
**41
97%
Lovex S070
<<locked>>
81%
35839
59%
**28
95%
[Lovex S071]*
<<locked>>
85%
23989
39%
**82
90%
Norma 201
<<locked>>
81%
50125
82%
**25
100%
Norma 202
<<locked>>
81%
50575
83%
**28
100%
Norma 203B
<<locked>>
81%
46180
76%
**15
100%
[Norma 204]*
<<locked>>
81%
33968
56%
**11
92%
[Norma MRP]*
<<locked>>
83%
28471
47%
**52
90%
Norma URP
<<locked>>
81%
34200
56%
**38
97%
Ramshot Big Game
<<locked>>
81%
45919
75%
**31
100%
[Ramshot Grand]*
<<locked>>
93%
35882
59%
**03
90%
Ramshot Hunter
<<locked>>
81%
33199
55%
**28
95%
[Ramshot Magnum]*
<<locked>>
92%
30661
50%
**72
90%
ReloadSwiss RS 14
<<locked>>
90%
32053
53%
**86
100%
ReloadSwiss RS 50
<<locked>>
81%
44367
73%
**65
98%
ReloadSwiss RS 52
<<locked>>
81%
50125
82%
**26
100%
ReloadSwiss RS 60
<<locked>>
81%
40292
66%
**15
100%
ReloadSwiss RS 62
<<locked>>
81%
33475
55%
**54
97%
ReloadSwiss RS 70
<<locked>>
81%
33185
54%
**54
96%
[ReloadSwiss RS 76]*
<<locked>>
94%
30995
51%
**28
90%
Rottweil R 902
<<locked>>
81%
47834
79%
**85
100%
Rottweil R 903
<<locked>>
81%
40973
67%
**26
100%
[Rottweil R 904]*
<<locked>>
84%
33779
55%
**75
90%
[Rottweil R 905]*
<<locked>>
83%
30327
50%
**52
90%
Rottweil R 907
<<locked>>
81%
38943
64%
**60
95%
SNPE Vectan SP 11
<<locked>>
81%
42134
69%
**75
100%
SNPE Vectan SP 9
<<locked>>
81%
49806
82%
**51
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
42931
70%
**51
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
37057
61%
**98
95%
[SNPE Vectan Tubal 8000]*
<<locked>>
84%
30530
50%
**56
90%
Shooters World Long Rifle
<<locked>>
81%
37782
62%
**41
97%
Shooters World Precision
<<locked>>
81%
45832
75%
**75
100%
Somchem S335
<<locked>>
81%
50908
84%
**65
100%
Somchem S355
<<locked>>
81%
41669
68%
**26
100%
[Somchem S361]*
<<locked>>
86%
36172
59%
**11
90%
Somchem S365
<<locked>>
81%
30690
50%
**01
99%
[Somchem S385]*
<<locked>>
81%
28601
47%
**93
91%
Vihtavuori N135
<<locked>>
81%
45310
74%
**23
100%
Vihtavuori N140
<<locked>>
81%
48008
79%
**65
100%
Vihtavuori N150
<<locked>>
81%
39697
65%
**67
100%
Vihtavuori N160
<<locked>>
81%
35505
58%
**41
98%
[Vihtavuori N165]*
<<locked>>
86%
29269
48%
**93
90%
Vihtavuori N540
<<locked>>
81%
46383
76%
**69
100%
Vihtavuori N550
<<locked>>
81%
35201
58%
**41
97%
Vihtavuori N555
<<locked>>
81%
26382
43%
**00
95%
[Vihtavuori N560]*
<<locked>>
90%
36448
60%
**26
90%
Winchester 6.5 StaBALL
<<locked>>
81%
34853
57%
**11
99%
Winchester 760
<<locked>>
81%
36463
60%
**90
95%
[Winchester StaBALL HD]*
<<locked>>
81%
21698
36%
**85
92%
Winchester StaBALL Match
<<locked>>
81%
49313
81%
**57
100%
[Winchester Supreme 780]*
<<locked>>
86%
30835
51%
**36
90%

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