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Load data for .338 Blaser Mag + .338 | 225gr | Barnes MRX BT

Recommended Powder(s): Accurate 4350, Alliant Reloder-16, Hodgdon LVR, ReloadSwiss RS 62, Vihtavuori N550

.338 Blaser Mag + .338 | 225gr | Barnes MRX BT

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.338 | 225gr | Barnes MRX BT
Manufacturer SKU:
33867
Bullet Weight:
225gr | 14.6g
Bullet Diameter:
0.338" | 8.59mm
Bullet Length:
1.430" | 36.3mm
Caliber:
.338 Blaser Mag load data
Case Length (l3):
2.508" | 63.7mm
Cartridge Length (C.O.L.):
3.290" | 83.6mm
Seated Depth:
0.648" | 16.5mm
Shank Seated Depth:
0.523" | 13.3mm
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_B674_C446
Last updated:
2025-02-02
Recommended Twist Rate:
1:13 - 1:11

Load data for 174 loads in caliber .338 Blaser Mag with .338 | 225gr | Barnes MRX BT bullet and 87 powders such as Accurate 4350, Alliant Reloder-16, Hodgdon LVR, ReloadSwiss RS 62, Vihtavuori N550. 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 2206H
<<locked>>
84%
54172
89%
**67
100%
ADI AR 2208
<<locked>>
89%
54418
89%
**61
100%
ADI AR 2209
<<locked>>
97%
47297
78%
**25
95%
Accurate 2700
<<locked>>
90%
54099
89%
**08
98%
Accurate 3100
<<locked>>
97%
40045
66%
**80
96%
Accurate 4064
<<locked>>
88%
54360
89%
**44
100%
Accurate 4350 👍
<<locked>>
96%
54041
89%
**30
100%
Alliant Reloder- TS 15.5
<<locked>>
89%
54230
89%
**74
100%
Alliant Reloder-15
<<locked>>
87%
54099
89%
**87
100%
Alliant Reloder-16 👍
<<locked>>
97%
53461
88%
**59
100%
Alliant Reloder-17
<<locked>>
93%
54288
89%
**85
100%
Alliant Reloder-19
<<locked>>
97%
46238
76%
**12
95%
[Alliant Reloder-22]*
<<locked>>
97%
40582
67%
**49
93%
Alliant Reloder-23
<<locked>>
97%
38130
63%
**07
99%
[Alliant Reloder-25]*
<<locked>>
97%
33924
56%
**08
94%
Alliant Reloder-26
<<locked>>
97%
42641
70%
**64
99%
Baschieri & Pellagri 107
<<locked>>
84%
54230
89%
**90
100%
Hodgdon CFE223
<<locked>>
87%
54389
89%
**30
100%
Hodgdon H380
<<locked>>
89%
54650
90%
**94
100%
Hodgdon H414
<<locked>>
92%
54636
90%
**49
99%
Hodgdon H4350
<<locked>>
97%
51358
84%
**41
97%
[Hodgdon H4831 SC]*
<<locked>>
97%
44150
72%
**36
92%
Hodgdon Hybrid 100V
<<locked>>
97%
50024
82%
**44
100%
Hodgdon LVR 👍
<<locked>>
94%
54534
90%
**30
100%
Hodgdon Superperformance
<<locked>>
95%
54607
90%
**76
98%
Hodgdon VARGET
<<locked>>
90%
54621
90%
**61
100%
IMR 3031
<<locked>>
87%
54781
90%
**54
100%
IMR 4064
<<locked>>
90%
54085
89%
**48
100%
IMR 4166 Enduron
<<locked>>
91%
54723
90%
**41
98%
IMR 4350
<<locked>>
97%
54723
90%
**87
98%
IMR 4451 Enduron
<<locked>>
92%
54375
89%
**61
98%
IMR 4831
<<locked>>
97%
46688
77%
**05
99%
IMR 4895
<<locked>>
86%
54027
89%
**90
100%
[IMR 4955 Enduron]*
<<locked>>
97%
44324
73%
**07
92%
[IMR 7828 SSC]*
<<locked>>
97%
43221
71%
**75
92%
Lovex D073.6
<<locked>>
84%
54230
89%
**48
100%
Lovex S060
<<locked>>
84%
54534
90%
**15
100%
Lovex S062
<<locked>>
88%
54273
89%
**44
100%
Lovex S065
<<locked>>
94%
54186
89%
**67
99%
Lovex S070
<<locked>>
96%
54534
90%
**87
99%
[Lovex S071]*
<<locked>>
97%
33460
55%
**43
94%
Norma 201
<<locked>>
85%
54708
90%
**41
100%
Norma 202
<<locked>>
84%
54491
89%
**25
100%
Norma 203B
<<locked>>
87%
54172
89%
**87
100%
Norma 204
<<locked>>
96%
54302
89%
**17
97%
Norma MRP
<<locked>>
97%
42177
69%
**15
96%
Norma URP
<<locked>>
97%
54041
89%
**30
100%
Ramshot Big Game
<<locked>>
87%
54824
90%
**13
100%
Ramshot Hunter
<<locked>>
97%
53432
88%
**40
99%
[Ramshot Magnum]*
<<locked>>
97%
38653
63%
**80
93%
ReloadSwiss RS 50
<<locked>>
88%
54549
90%
**71
99%
ReloadSwiss RS 52
<<locked>>
88%
54534
90%
**13
100%
ReloadSwiss RS 60
<<locked>>
94%
54157
89%
**95
100%
ReloadSwiss RS 62 👍
<<locked>>
96%
54157
89%
**59
100%
ReloadSwiss RS 70
<<locked>>
97%
54418
89%
**99
100%
Rottweil R 902
<<locked>>
86%
54346
89%
**25
100%
Rottweil R 903
<<locked>>
91%
54244
89%
**74
100%
[Rottweil R 904]*
<<locked>>
97%
48646
80%
**98
94%
Rottweil R 905
<<locked>>
97%
44846
74%
**95
95%
Rottweil R 907
<<locked>>
93%
54708
90%
**64
98%
SNPE Vectan SP 11
<<locked>>
90%
54592
90%
**13
100%
SNPE Vectan SP 7
<<locked>>
83%
54331
89%
**61
100%
SNPE Vectan SP 9
<<locked>>
85%
54027
89%
**64
100%
SNPE Vectan Tubal 3000
<<locked>>
84%
54070
89%
**52
100%
SNPE Vectan Tubal 5000
<<locked>>
90%
54418
89%
**56
100%
SNPE Vectan Tubal 7000
<<locked>>
94%
54447
89%
**25
98%
Shooters World Long Rifle
<<locked>>
94%
54186
89%
**67
99%
Shooters World Match Rifle
<<locked>>
84%
54230
89%
**48
100%
Shooters World Precision
<<locked>>
88%
54273
89%
**44
100%
Somchem S335
<<locked>>
84%
54607
90%
**66
100%
Somchem S341
<<locked>>
84%
54563
90%
**54
100%
Somchem S355
<<locked>>
91%
54708
90%
**74
100%
[Somchem S361]*
<<locked>>
97%
50169
82%
**89
94%
Somchem S365
<<locked>>
97%
49342
81%
**94
100%
Somchem S385
<<locked>>
97%
45730
75%
**75
96%
Vihtavuori N133
<<locked>>
86%
54447
89%
**39
100%
Vihtavuori N135
<<locked>>
92%
54056
89%
**89
100%
Vihtavuori N140
<<locked>>
87%
54650
90%
**05
100%
Vihtavuori N150
<<locked>>
96%
54157
89%
**35
100%
Vihtavuori N160
<<locked>>
94%
54650
90%
**94
100%
[Vihtavuori N165]*
<<locked>>
97%
38363
63%
**25
93%
Vihtavuori N540
<<locked>>
87%
54810
90%
**41
100%
Vihtavuori N550 👍
<<locked>>
94%
54259
89%
**36
100%
Vihtavuori N555
<<locked>>
97%
42003
69%
**79
99%
Winchester 6.5 StaBALL
<<locked>>
95%
54288
89%
**77
100%
Winchester 760
<<locked>>
92%
54636
90%
**49
99%
Winchester StaBALL HD
<<locked>>
97%
34214
56%
**20
99%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
49356
81%
**92
100%
ADI AR 2208
<<locked>>
81%
41930
69%
**54
99%
[ADI AR 2209]*
<<locked>>
87%
34664
57%
**56
90%
[Accurate 2700]*
<<locked>>
81%
40364
66%
**79
94%
[Accurate 3100]*
<<locked>>
85%
26498
43%
**65
90%
Accurate 4064
<<locked>>
81%
43584
72%
**80
100%
Accurate 4350
<<locked>>
81%
32213
53%
**26
96%
Alliant Reloder- TS 15.5
<<locked>>
81%
41785
69%
**77
100%
Alliant Reloder-15
<<locked>>
81%
44933
74%
**43
99%
Alliant Reloder-16
<<locked>>
81%
32692
54%
**46
96%
Alliant Reloder-17
<<locked>>
81%
36318
60%
**67
99%
[Alliant Reloder-19]*
<<locked>>
87%
34084
56%
**56
90%
[Alliant Reloder-22]*
<<locked>>
91%
33968
56%
**95
90%
[Alliant Reloder-23]*
<<locked>>
81%
23627
39%
**03
92%
[Alliant Reloder-25]*
<<locked>>
90%
27876
46%
**34
90%
[Alliant Reloder-26]*
<<locked>>
83%
26063
43%
**28
90%
Baschieri & Pellagri 107
<<locked>>
81%
48747
80%
**08
100%
Hodgdon CFE223
<<locked>>
81%
43584
72%
**56
99%
Hodgdon H380
<<locked>>
81%
42728
70%
**97
98%
[Hodgdon H414]*
<<locked>>
81%
37594
62%
**41
94%
[Hodgdon H4350]*
<<locked>>
81%
31531
52%
**41
91%
[Hodgdon H4831 SC]*
<<locked>>
94%
40698
67%
**74
90%
Hodgdon Hybrid 100V
<<locked>>
81%
29921
49%
**47
97%
Hodgdon LVR
<<locked>>
81%
35331
58%
**82
96%
[Hodgdon Superperformance]*
<<locked>>
81%
33910
56%
**72
92%
Hodgdon VARGET
<<locked>>
81%
41756
69%
**51
99%
IMR 3031
<<locked>>
81%
46050
76%
**33
100%
IMR 4064
<<locked>>
81%
41205
68%
**31
99%
IMR 4166 Enduron
<<locked>>
81%
40770
67%
**02
95%
[IMR 4350]*
<<locked>>
81%
33141
54%
**87
92%
IMR 4451 Enduron
<<locked>>
81%
39015
64%
**95
95%
[IMR 4831]*
<<locked>>
81%
28369
47%
**15
94%
IMR 4895
<<locked>>
81%
45992
76%
**69
100%
[IMR 4955 Enduron]*
<<locked>>
93%
39247
64%
**11
90%
[IMR 7828 SSC]*
<<locked>>
94%
39233
64%
**90
90%
Lovex D073.6
<<locked>>
81%
49095
81%
**75
100%
Lovex S060
<<locked>>
81%
48994
80%
**30
100%
Lovex S062
<<locked>>
81%
44106
72%
**84
100%
Lovex S065
<<locked>>
81%
36303
60%
**43
96%
[Lovex S070]*
<<locked>>
81%
34505
57%
**16
93%
[Lovex S071]*
<<locked>>
90%
26498
43%
**65
90%
Norma 201
<<locked>>
81%
48428
80%
**46
100%
Norma 202
<<locked>>
81%
48936
80%
**49
100%
Norma 203B
<<locked>>
81%
44179
73%
**30
100%
[Norma 204]*
<<locked>>
82%
34011
56%
**36
90%
[Norma MRP]*
<<locked>>
87%
30618
50%
**29
90%
Norma URP
<<locked>>
81%
32547
53%
**26
96%
Ramshot Big Game
<<locked>>
81%
44208
73%
**49
99%
[Ramshot Hunter]*
<<locked>>
81%
31792
52%
**10
93%
[Ramshot Magnum]*
<<locked>>
93%
33736
55%
**62
90%
ReloadSwiss RS 50
<<locked>>
81%
42815
70%
**74
97%
ReloadSwiss RS 52
<<locked>>
81%
43540
71%
**46
100%
ReloadSwiss RS 60
<<locked>>
81%
35273
58%
**54
99%
ReloadSwiss RS 62
<<locked>>
81%
32140
53%
**46
95%
[ReloadSwiss RS 70]*
<<locked>>
81%
31981
53%
**46
94%
Rottweil R 902
<<locked>>
81%
46180
76%
**03
100%
Rottweil R 903
<<locked>>
81%
39349
65%
**31
99%
[Rottweil R 904]*
<<locked>>
88%
36912
61%
**72
90%
[Rottweil R 905]*
<<locked>>
87%
33040
54%
**36
90%
[Rottweil R 907]*
<<locked>>
81%
37434
61%
**56
94%
SNPE Vectan SP 11
<<locked>>
81%
40335
66%
**84
99%
SNPE Vectan SP 7
<<locked>>
81%
50227
82%
**95
99%
SNPE Vectan SP 9
<<locked>>
81%
47964
79%
**69
100%
SNPE Vectan Tubal 3000
<<locked>>
81%
49879
82%
**93
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
41611
68%
**69
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
81%
35462
58%
**90
94%
Shooters World Long Rifle
<<locked>>
81%
36303
60%
**43
96%
Shooters World Match Rifle
<<locked>>
81%
49095
81%
**75
100%
Shooters World Precision
<<locked>>
81%
44106
72%
**84
100%
Somchem S335
<<locked>>
81%
49153
81%
**93
100%
Somchem S341
<<locked>>
81%
49719
82%
**82
100%
Somchem S355
<<locked>>
81%
39972
66%
**34
99%
[Somchem S361]*
<<locked>>
89%
39494
65%
**02
90%
Somchem S365
<<locked>>
81%
29138
48%
**87
98%
[Somchem S385]*
<<locked>>
84%
30516
50%
**57
90%
Vihtavuori N133
<<locked>>
81%
46789
77%
**34
100%
Vihtavuori N135
<<locked>>
81%
39059
64%
**69
100%
Vihtavuori N140
<<locked>>
81%
45687
75%
**80
100%
Vihtavuori N150
<<locked>>
81%
34214
56%
**00
99%
Vihtavuori N160
<<locked>>
81%
35331
58%
**62
97%
[Vihtavuori N165]*
<<locked>>
91%
32169
53%
**80
90%
Vihtavuori N540
<<locked>>
81%
45469
75%
**07
100%
Vihtavuori N550
<<locked>>
81%
36071
59%
**08
97%
[Vihtavuori N555]*
<<locked>>
81%
25208
41%
**75
93%
Winchester 6.5 StaBALL
<<locked>>
81%
33591
55%
**13
98%
[Winchester 760]*
<<locked>>
81%
37594
62%
**41
94%
[Winchester StaBALL HD]*
<<locked>>
84%
22713
37%
**19
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

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