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Load data for .338 Blaser Mag + .338 | 285gr | Hornady BTHP

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

.338 Blaser Mag + .338 | 285gr | Hornady BTHP

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.338 | 285gr | Hornady BTHP
Manufacturer SKU:
3339
Bullet Weight:
285gr | 18.5g
Bullet Diameter:
0.338" | 8.59mm
Bullet Length:
1.724" | 43.8mm
Caliber:
.338 Blaser Mag load data
Case Length (l3):
2.508" | 63.7mm
Cartridge Length (C.O.L.):
3.290" | 83.6mm
Seated Depth:
0.942" | 23.9mm
Shank Seated Depth:
0.762" | 19.4mm
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_B2761_C446
Last updated:
2025-01-01
Recommended Twist Rate:
1:11 - 1:9

Load data for 158 loads in caliber .338 Blaser Mag with .338 | 285gr | Hornady BTHP bullet and 79 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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    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.

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%
54592
90%
**36
100%
ADI AR 2209
<<locked>>
97%
52910
87%
**11
99%
ADI AR 2213
<<locked>>
97%
47094
77%
**52
96%
[ADI AR 2225]*
<<locked>>
97%
30400
50%
**64
93%
Accurate 2700
<<locked>>
87%
54418
89%
**10
99%
Accurate 3100
<<locked>>
97%
46021
76%
**83
99%
Accurate 4064
<<locked>>
84%
54694
90%
**10
100%
Accurate 4350
<<locked>>
92%
54099
89%
**02
100%
[Accurate MAGPRO]*
<<locked>>
97%
44759
73%
**43
94%
Alliant Reloder- TS 15.5
<<locked>>
86%
54766
90%
**52
100%
Alliant Reloder-15
<<locked>>
84%
54694
90%
**65
100%
Alliant Reloder-16
<<locked>>
94%
54621
90%
**41
100%
Alliant Reloder-17
<<locked>>
89%
54766
90%
**51
100%
Alliant Reloder-19
<<locked>>
97%
52025
85%
**02
99%
Alliant Reloder-22
<<locked>>
97%
45788
75%
**52
98%
Alliant Reloder-23
<<locked>>
97%
43555
71%
**06
100%
Alliant Reloder-25
<<locked>>
97%
38232
63%
**44
99%
Alliant Reloder-26 👍
<<locked>>
97%
49095
81%
**64
100%
Hodgdon CFE223
<<locked>>
84%
54346
89%
**98
100%
Hodgdon H380
<<locked>>
85%
54375
89%
**62
100%
Hodgdon H414
<<locked>>
88%
53838
88%
**15
100%
Hodgdon H4350
<<locked>>
95%
54143
89%
**69
99%
Hodgdon H4831
<<locked>>
97%
43845
72%
**54
95%
Hodgdon H4831 SC
<<locked>>
97%
49385
81%
**43
96%
Hodgdon Hybrid 100V
<<locked>>
95%
54056
89%
**65
100%
Hodgdon LVR
<<locked>>
91%
54708
90%
**02
100%
[Hodgdon Retumbo]*
<<locked>>
97%
30400
50%
**64
93%
Hodgdon Superperformance 👍
<<locked>>
91%
54447
89%
**61
100%
Hodgdon VARGET
<<locked>>
86%
54201
89%
**33
100%
IMR 4064
<<locked>>
87%
54679
90%
**26
100%
IMR 4166 Enduron
<<locked>>
87%
54041
89%
**20
100%
IMR 4350
<<locked>>
93%
54070
89%
**65
99%
IMR 4451 Enduron
<<locked>>
89%
54810
90%
**56
100%
IMR 4831 👍
<<locked>>
97%
53432
88%
**79
100%
IMR 4955 Enduron
<<locked>>
97%
49269
81%
**03
96%
IMR 7828 SSC
<<locked>>
97%
48704
80%
**88
97%
Lovex S062
<<locked>>
84%
54418
89%
**20
100%
Lovex S065
<<locked>>
91%
54114
89%
**46
100%
Lovex S070
<<locked>>
92%
54636
90%
**75
100%
Lovex S071
<<locked>>
97%
38537
63%
**69
98%
Norma 203B
<<locked>>
84%
54578
90%
**59
100%
Norma 204 👍
<<locked>>
93%
54056
89%
**05
99%
Norma MRP
<<locked>>
97%
48660
80%
**28
99%
Norma URP
<<locked>>
93%
53882
88%
**02
100%
Ramshot Big Game
<<locked>>
84%
54128
89%
**72
100%
Ramshot Hunter 👍
<<locked>>
94%
54346
89%
**28
100%
Ramshot Magnum
<<locked>>
97%
44121
72%
**16
98%
ReloadSwiss RS 50
<<locked>>
85%
54186
89%
**46
100%
ReloadSwiss RS 52
<<locked>>
84%
54650
90%
**75
100%
ReloadSwiss RS 60
<<locked>>
90%
54563
90%
**64
100%
ReloadSwiss RS 62
<<locked>>
93%
54679
90%
**34
100%
ReloadSwiss RS 70
<<locked>>
93%
54418
89%
**77
100%
ReloadSwiss RS 76
<<locked>>
97%
36419
60%
**47
96%
Rottweil R 903
<<locked>>
87%
54621
90%
**49
100%
Rottweil R 904
<<locked>>
97%
54128
89%
**82
98%
Rottweil R 905
<<locked>>
97%
50865
83%
**85
99%
Rottweil R 907
<<locked>>
90%
54317
89%
**46
99%
SNPE Vectan SP 11
<<locked>>
87%
54288
89%
**82
100%
SNPE Vectan Tubal 5000
<<locked>>
86%
53954
89%
**24
100%
SNPE Vectan Tubal 7000
<<locked>>
91%
54056
89%
**10
100%
Shooters World Long Rifle
<<locked>>
91%
54114
89%
**46
100%
Shooters World Precision
<<locked>>
84%
54418
89%
**20
100%
Somchem S355
<<locked>>
87%
54259
89%
**43
100%
Somchem S361
<<locked>>
96%
54679
90%
**59
97%
Somchem S365
<<locked>>
95%
54317
89%
**21
100%
Somchem S385
<<locked>>
97%
51706
85%
**65
99%
Vihtavuori N135
<<locked>>
88%
54302
89%
**60
100%
Vihtavuori N140
<<locked>>
83%
54288
89%
**74
100%
Vihtavuori N150
<<locked>>
93%
54810
90%
**13
100%
Vihtavuori N160
<<locked>>
90%
53911
89%
**65
100%
Vihtavuori N165
<<locked>>
97%
43337
71%
**38
98%
Vihtavuori N540
<<locked>>
84%
54766
90%
**06
100%
Vihtavuori N550
<<locked>>
90%
54505
89%
**05
100%
Vihtavuori N555
<<locked>>
97%
48501
80%
**69
100%
Vihtavuori N560
<<locked>>
97%
46557
76%
**79
96%
[Vihtavuori N565]*
<<locked>>
97%
38754
64%
**44
94%
Winchester 6.5 StaBALL
<<locked>>
92%
54085
89%
**49
100%
Winchester 760
<<locked>>
88%
53838
88%
**15
100%
Winchester StaBALL HD
<<locked>>
97%
37072
61%
**56
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
46528
76%
**28
100%
[ADI AR 2209]*
<<locked>>
81%
31966
52%
**37
93%
[ADI AR 2213]*
<<locked>>
85%
32039
53%
**54
90%
[ADI AR 2225]*
<<locked>>
93%
26818
44%
**65
90%
Accurate 2700
<<locked>>
81%
44469
73%
**72
98%
[Accurate 3100]*
<<locked>>
81%
27122
45%
**32
94%
Accurate 4064
<<locked>>
81%
49197
81%
**44
100%
Accurate 4350
<<locked>>
81%
37159
61%
**49
99%
[Accurate MAGPRO]*
<<locked>>
90%
35331
58%
**69
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
46688
77%
**44
100%
Alliant Reloder-15
<<locked>>
81%
50009
82%
**03
100%
Alliant Reloder-16
<<locked>>
81%
36405
60%
**56
99%
Alliant Reloder-17
<<locked>>
81%
41060
67%
**60
100%
[Alliant Reloder-19]*
<<locked>>
81%
31705
52%
**37
93%
[Alliant Reloder-22]*
<<locked>>
81%
27717
46%
**78
90%
Alliant Reloder-23
<<locked>>
81%
26672
44%
**62
98%
[Alliant Reloder-25]*
<<locked>>
81%
23598
39%
**70
91%
Alliant Reloder-26
<<locked>>
81%
27992
46%
**47
96%
Hodgdon CFE223
<<locked>>
81%
49095
81%
**33
100%
Hodgdon H380
<<locked>>
81%
47674
78%
**70
100%
Hodgdon H414
<<locked>>
81%
42525
70%
**44
98%
Hodgdon H4350
<<locked>>
81%
35505
58%
**67
96%
[Hodgdon H4831]*
<<locked>>
87%
32518
53%
**34
90%
[Hodgdon H4831 SC]*
<<locked>>
84%
32518
53%
**34
90%
Hodgdon Hybrid 100V
<<locked>>
81%
33997
56%
**67
100%
Hodgdon LVR
<<locked>>
81%
40030
66%
**88
99%
[Hodgdon Retumbo]*
<<locked>>
93%
26818
44%
**65
90%
Hodgdon Superperformance
<<locked>>
81%
38087
63%
**01
97%
Hodgdon VARGET
<<locked>>
81%
46282
76%
**24
100%
IMR 4064
<<locked>>
81%
45658
75%
**05
100%
IMR 4166 Enduron
<<locked>>
81%
44759
73%
**82
99%
IMR 4350
<<locked>>
81%
36970
61%
**96
96%
IMR 4451 Enduron
<<locked>>
81%
43062
71%
**82
98%
IMR 4831
<<locked>>
81%
32474
53%
**41
98%
[IMR 4955 Enduron]*
<<locked>>
82%
31517
52%
**78
90%
[IMR 7828 SSC]*
<<locked>>
84%
31531
52%
**54
90%
Lovex S062
<<locked>>
81%
49211
81%
**47
100%
Lovex S065
<<locked>>
81%
40567
67%
**46
99%
Lovex S070
<<locked>>
81%
38595
63%
**26
97%
[Lovex S071]*
<<locked>>
81%
23293
38%
**34
92%
Norma 203B
<<locked>>
81%
49371
81%
**90
100%
Norma 204
<<locked>>
81%
36637
60%
**23
95%
[Norma MRP]*
<<locked>>
81%
28500
47%
**24
93%
Norma URP
<<locked>>
81%
36927
61%
**39
99%
Ramshot Big Game
<<locked>>
81%
49487
81%
**13
100%
Ramshot Hunter
<<locked>>
81%
35955
59%
**39
98%
[Ramshot Magnum]*
<<locked>>
83%
27166
45%
**55
90%
ReloadSwiss RS 50
<<locked>>
81%
47572
78%
**54
99%
ReloadSwiss RS 52
<<locked>>
81%
49298
81%
**06
100%
ReloadSwiss RS 60
<<locked>>
81%
39740
65%
**51
100%
ReloadSwiss RS 62
<<locked>>
81%
36782
60%
**65
99%
ReloadSwiss RS 70
<<locked>>
81%
36013
59%
**75
99%
[ReloadSwiss RS 76]*
<<locked>>
88%
26992
44%
**95
90%
Rottweil R 903
<<locked>>
81%
44266
73%
**11
100%
[Rottweil R 904]*
<<locked>>
81%
33156
54%
**24
92%
[Rottweil R 905]*
<<locked>>
81%
30734
50%
**21
93%
Rottweil R 907
<<locked>>
81%
41611
68%
**59
97%
SNPE Vectan SP 11
<<locked>>
81%
45513
75%
**67
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
45759
75%
**26
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
39581
65%
**96
98%
Shooters World Long Rifle
<<locked>>
81%
40567
67%
**46
99%
Shooters World Precision
<<locked>>
81%
49211
81%
**47
100%
Somchem S355
<<locked>>
81%
44831
74%
**18
100%
[Somchem S361]*
<<locked>>
81%
33620
55%
**21
91%
Somchem S365
<<locked>>
81%
33315
55%
**10
100%
[Somchem S385]*
<<locked>>
81%
31183
51%
**11
94%
Vihtavuori N135
<<locked>>
81%
43845
72%
**33
100%
Vihtavuori N140
<<locked>>
81%
50459
83%
**28
100%
Vihtavuori N150
<<locked>>
81%
38145
63%
**87
100%
Vihtavuori N160
<<locked>>
81%
40030
66%
**65
99%
[Vihtavuori N165]*
<<locked>>
81%
26179
43%
**86
90%
Vihtavuori N540
<<locked>>
81%
50198
82%
**51
100%
Vihtavuori N550
<<locked>>
81%
40712
67%
**05
99%
Vihtavuori N555
<<locked>>
81%
29008
48%
**24
98%
[Vihtavuori N560]*
<<locked>>
85%
31850
52%
**83
90%
[Vihtavuori N565]*
<<locked>>
90%
30647
50%
**70
90%
Winchester 6.5 StaBALL
<<locked>>
81%
37739
62%
**19
100%
Winchester 760
<<locked>>
81%
42525
70%
**44
98%
Winchester StaBALL HD
<<locked>>
81%
23511
39%
**46
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.

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