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

Recommended Powder(s):

.338 Win 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 Win Mag. load data
Case Length (l3):
2.500" | 63.5mm
Cartridge Length (C.O.L.):
3.290" | 83.6mm
Seated Depth:
0.640" | 16.3mm
Shank Seated Depth:
0.515" | 13.1mm
Case Capacity:
86.0 Grains of Water | 5.58 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
62366 psi | 4300 bar
LID:
LID_B674_C465
Last updated:
2025-01-01
Recommended Twist Rate:
1:13 - 1:11

Load data for 190 loads in caliber .338 Win Mag. with .338 | 225gr | Barnes MRX BT 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.

    .

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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>>
87%
55492
89%
**48
100%
ADI AR 2208
<<locked>>
92%
55448
89%
**31
100%
[ADI AR 2209]*
<<locked>>
97%
43439
70%
**03
93%
Accurate 2015
<<locked>>
83%
55912
90%
**39
100%
Accurate 2200
<<locked>>
86%
55941
90%
**25
100%
Accurate 2495
<<locked>>
86%
55303
89%
**98
100%
Accurate 2520
<<locked>>
85%
55506
89%
**28
100%
Accurate 2700
<<locked>>
93%
55985
90%
**85
97%
[Accurate 3100]*
<<locked>>
97%
35650
57%
**62
94%
Accurate 4064
<<locked>>
92%
55637
89%
**28
100%
Accurate 4350
<<locked>>
97%
50169
80%
**38
99%
Alliant AR-Comp
<<locked>>
85%
55753
89%
**79
100%
Alliant Reloder- TS 15.5
<<locked>>
92%
55114
88%
**48
100%
Alliant Reloder-15
<<locked>>
90%
55492
89%
**71
100%
Alliant Reloder-16
<<locked>>
97%
48762
78%
**41
99%
Alliant Reloder-17 👍
<<locked>>
96%
56057
90%
**66
100%
[Alliant Reloder-19]*
<<locked>>
97%
42424
68%
**97
93%
Alliant Reloder-23
<<locked>>
97%
34809
56%
**92
98%
Alliant Reloder-26
<<locked>>
97%
38334
61%
**23
96%
Baschieri & Pellagri 107
<<locked>>
88%
56014
90%
**74
100%
Hodgdon BL-C2
<<locked>>
86%
56028
90%
**71
100%
Hodgdon Benchmark
<<locked>>
85%
55825
90%
**75
100%
Hodgdon CFE223 👍
<<locked>>
91%
55941
90%
**10
100%
Hodgdon H322
<<locked>>
84%
55898
90%
**98
100%
Hodgdon H380
<<locked>>
92%
55970
90%
**71
100%
Hodgdon H414
<<locked>>
95%
55216
89%
**13
98%
Hodgdon H4350
<<locked>>
97%
47369
76%
**30
96%
Hodgdon Hybrid 100V
<<locked>>
97%
45411
73%
**30
100%
Hodgdon LVR
<<locked>>
97%
53983
87%
**80
99%
Hodgdon Superperformance
<<locked>>
97%
54273
87%
**20
97%
Hodgdon VARGET
<<locked>>
93%
55840
90%
**41
100%
IMR 3031
<<locked>>
90%
56101
90%
**38
100%
IMR 4064
<<locked>>
93%
55608
89%
**21
100%
IMR 4166 Enduron
<<locked>>
94%
55782
89%
**08
98%
IMR 4350
<<locked>>
97%
50314
81%
**79
97%
IMR 4451 Enduron
<<locked>>
95%
55695
89%
**38
98%
IMR 4831
<<locked>>
97%
42583
68%
**93
98%
IMR 4895
<<locked>>
89%
55259
89%
**74
100%
IMR 8208 XBR
<<locked>>
86%
55390
89%
**08
100%
Lovex D073.6
<<locked>>
87%
55506
89%
**28
100%
Lovex S060
<<locked>>
87%
55477
89%
**82
100%
Lovex S062
<<locked>>
91%
55854
90%
**25
100%
Lovex S065
<<locked>>
97%
54346
87%
**21
99%
Lovex S070
<<locked>>
97%
51663
83%
**98
98%
Norma 201
<<locked>>
88%
55347
89%
**08
100%
Norma 202
<<locked>>
88%
55970
90%
**12
100%
Norma 203B
<<locked>>
91%
55637
89%
**67
100%
Norma 204
<<locked>>
97%
50517
81%
**15
95%
[Norma MRP]*
<<locked>>
97%
38711
62%
**97
93%
Norma URP
<<locked>>
97%
49472
79%
**21
99%
Ramshot Big Game
<<locked>>
91%
55970
90%
**94
100%
Ramshot Hunter
<<locked>>
97%
48820
78%
**21
98%
Ramshot TAC
<<locked>>
85%
55535
89%
**28
99%
Ramshot Wild Boar
<<locked>>
86%
55651
89%
**51
100%
Ramshot X-Terminator
<<locked>>
83%
55651
89%
**05
100%
ReloadSwiss RS 50
<<locked>>
92%
55941
90%
**48
99%
ReloadSwiss RS 52
<<locked>>
91%
55767
89%
**87
100%
ReloadSwiss RS 60 👍
<<locked>>
97%
55172
88%
**72
100%
ReloadSwiss RS 62
<<locked>>
97%
49298
79%
**44
99%
ReloadSwiss RS 70
<<locked>>
97%
49719
80%
**74
99%
Rottweil R 901
<<locked>>
85%
55927
90%
**82
100%
Rottweil R 902
<<locked>>
90%
55869
90%
**08
100%
Rottweil R 903
<<locked>>
94%
55492
89%
**54
100%
[Rottweil R 904]*
<<locked>>
97%
45092
72%
**87
92%
[Rottweil R 905]*
<<locked>>
97%
40654
65%
**67
93%
Rottweil R 907
<<locked>>
96%
55535
89%
**35
97%
SNPE Vectan SP 11 👍
<<locked>>
93%
55361
89%
**90
100%
SNPE Vectan SP 7
<<locked>>
86%
55303
89%
**25
99%
SNPE Vectan SP 9
<<locked>>
88%
55999
90%
**48
100%
SNPE Vectan Tubal 3000
<<locked>>
87%
55593
89%
**33
100%
SNPE Vectan Tubal 5000
<<locked>>
93%
55303
89%
**26
100%
SNPE Vectan Tubal 7000
<<locked>>
97%
54824
88%
**79
98%
Shooters World Long Rifle
<<locked>>
97%
54346
87%
**21
99%
Shooters World Match Rifle
<<locked>>
87%
55506
89%
**28
100%
Shooters World Precision
<<locked>>
91%
55854
90%
**25
100%
Somchem S321
<<locked>>
83%
56072
90%
**38
100%
Somchem S335
<<locked>>
87%
55564
89%
**36
100%
Somchem S341
<<locked>>
87%
55651
89%
**31
100%
Somchem S355
<<locked>>
94%
56043
90%
**51
100%
Somchem S365
<<locked>>
97%
44396
71%
**85
100%
[Somchem S385]*
<<locked>>
97%
41307
66%
**61
94%
Vihtavuori N130
<<locked>>
84%
55376
89%
**97
100%
Vihtavuori N133
<<locked>>
89%
55724
89%
**20
100%
Vihtavuori N135
<<locked>>
95%
55550
89%
**75
100%
Vihtavuori N140
<<locked>>
90%
55550
89%
**82
100%
Vihtavuori N150
<<locked>>
97%
51416
82%
**56
100%
Vihtavuori N160
<<locked>>
97%
54476
87%
**54
100%
Vihtavuori N530
<<locked>>
84%
55521
89%
**25
100%
Vihtavuori N540
<<locked>>
90%
56072
90%
**21
100%
Vihtavuori N550 👍
<<locked>>
97%
54433
87%
**94
100%
Vihtavuori N555
<<locked>>
97%
37652
60%
**64
98%
Winchester 6.5 StaBALL
<<locked>>
97%
52098
84%
**02
100%
Winchester 748
<<locked>>
83%
55680
89%
**51
100%
Winchester 760
<<locked>>
95%
55216
89%
**13
98%
Winchester StaBALL HD
<<locked>>
97%
31053
50%
**75
97%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
45803
73%
**00
99%
ADI AR 2208
<<locked>>
81%
38972
62%
**62
98%
[ADI AR 2209]*
<<locked>>
92%
36956
59%
**69
90%
Accurate 2015
<<locked>>
81%
51793
83%
**90
100%
Accurate 2200
<<locked>>
81%
48109
77%
**07
99%
Accurate 2495
<<locked>>
81%
47558
76%
**90
100%
Accurate 2520
<<locked>>
81%
47964
77%
**23
100%
[Accurate 2700]*
<<locked>>
81%
37144
60%
**70
92%
[Accurate 3100]*
<<locked>>
89%
27644
44%
**69
90%
Accurate 4064
<<locked>>
81%
40089
64%
**95
100%
[Accurate 4350]*
<<locked>>
81%
29008
47%
**18
93%
Alliant AR-Comp
<<locked>>
81%
48414
78%
**87
100%
Alliant Reloder- TS 15.5
<<locked>>
81%
38696
62%
**82
99%
Alliant Reloder-15
<<locked>>
81%
41481
67%
**38
98%
[Alliant Reloder-16]*
<<locked>>
81%
30023
48%
**34
94%
Alliant Reloder-17
<<locked>>
81%
33214
53%
**49
97%
[Alliant Reloder-19]*
<<locked>>
92%
36376
58%
**62
90%
[Alliant Reloder-23]*
<<locked>>
83%
23047
37%
**51
90%
[Alliant Reloder-26]*
<<locked>>
87%
27833
45%
**41
90%
Baschieri & Pellagri 107
<<locked>>
81%
45121
72%
**07
99%
Hodgdon BL-C2
<<locked>>
81%
47630
76%
**46
100%
Hodgdon Benchmark
<<locked>>
81%
49908
80%
**93
100%
Hodgdon CFE223
<<locked>>
81%
39784
64%
**51
98%
Hodgdon H322
<<locked>>
81%
50952
82%
**33
100%
Hodgdon H380
<<locked>>
81%
39175
63%
**92
97%
[Hodgdon H414]*
<<locked>>
81%
34287
55%
**26
92%
[Hodgdon H4350]*
<<locked>>
84%
32401
52%
**28
90%
Hodgdon Hybrid 100V
<<locked>>
81%
27470
44%
**49
95%
[Hodgdon LVR]*
<<locked>>
81%
32401
52%
**77
94%
[Hodgdon Superperformance]*
<<locked>>
83%
32953
53%
**10
90%
Hodgdon VARGET
<<locked>>
81%
38783
62%
**52
98%
IMR 3031
<<locked>>
81%
42322
68%
**41
100%
IMR 4064
<<locked>>
81%
38363
62%
**39
98%
[IMR 4166 Enduron]*
<<locked>>
81%
38363
62%
**10
94%
[IMR 4350]*
<<locked>>
82%
31923
51%
**18
90%
[IMR 4451 Enduron]*
<<locked>>
81%
36129
58%
**90
93%
[IMR 4831]*
<<locked>>
81%
26063
42%
**19
92%
IMR 4895
<<locked>>
81%
42409
68%
**64
99%
IMR 8208 XBR
<<locked>>
81%
47935
77%
**03
100%
Lovex D073.6
<<locked>>
81%
45034
72%
**84
100%
Lovex S060
<<locked>>
81%
45934
74%
**38
99%
Lovex S062
<<locked>>
81%
40872
66%
**95
100%
[Lovex S065]*
<<locked>>
81%
33547
54%
**47
94%
[Lovex S070]*
<<locked>>
81%
31778
51%
**21
91%
Norma 201
<<locked>>
81%
45005
72%
**54
100%
Norma 202
<<locked>>
81%
45310
73%
**61
100%
Norma 203B
<<locked>>
81%
40712
65%
**25
99%
[Norma 204]*
<<locked>>
87%
36390
58%
**49
90%
[Norma MRP]*
<<locked>>
92%
32489
52%
**43
90%
[Norma URP]*
<<locked>>
81%
29907
48%
**28
94%
Ramshot Big Game
<<locked>>
81%
40335
65%
**44
99%
[Ramshot Hunter]*
<<locked>>
81%
29225
47%
**08
90%
Ramshot TAC
<<locked>>
81%
48095
77%
**16
98%
Ramshot Wild Boar
<<locked>>
81%
47398
76%
**30
100%
Ramshot X-Terminator
<<locked>>
81%
51880
83%
**56
100%
ReloadSwiss RS 50
<<locked>>
81%
39508
63%
**72
95%
ReloadSwiss RS 52
<<locked>>
81%
39726
64%
**41
100%
ReloadSwiss RS 60
<<locked>>
81%
32445
52%
**43
98%
[ReloadSwiss RS 62]*
<<locked>>
81%
28993
46%
**31
93%
[ReloadSwiss RS 70]*
<<locked>>
81%
29443
47%
**28
91%
Rottweil R 901
<<locked>>
81%
48994
79%
**87
100%
Rottweil R 902
<<locked>>
81%
42844
69%
**11
100%
Rottweil R 903
<<locked>>
81%
36027
58%
**36
98%
[Rottweil R 904]*
<<locked>>
93%
39508
63%
**85
90%
[Rottweil R 905]*
<<locked>>
92%
35636
57%
**56
90%
[Rottweil R 907]*
<<locked>>
81%
34621
56%
**57
91%
SNPE Vectan SP 11
<<locked>>
81%
36956
59%
**82
98%
SNPE Vectan SP 7
<<locked>>
81%
46354
74%
**90
98%
SNPE Vectan SP 9
<<locked>>
81%
44425
71%
**77
99%
SNPE Vectan Tubal 3000
<<locked>>
81%
46311
74%
**05
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
38363
62%
**80
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
81%
32401
52%
**88
92%
[Shooters World Long Rifle]*
<<locked>>
81%
33547
54%
**47
94%
Shooters World Match Rifle
<<locked>>
81%
45034
72%
**84
100%
Shooters World Precision
<<locked>>
81%
40872
66%
**95
100%
Somchem S321
<<locked>>
81%
52214
84%
**79
100%
Somchem S335
<<locked>>
81%
46006
74%
**11
100%
Somchem S341
<<locked>>
81%
46064
74%
**87
99%
Somchem S355
<<locked>>
81%
36825
59%
**43
98%
Somchem S365
<<locked>>
81%
26527
43%
**78
96%
[Somchem S385]*
<<locked>>
89%
32343
52%
**70
90%
Vihtavuori N130
<<locked>>
81%
51576
83%
**48
100%
Vihtavuori N133
<<locked>>
81%
43700
70%
**56
100%
Vihtavuori N135
<<locked>>
81%
35868
58%
**77
100%
Vihtavuori N140
<<locked>>
81%
42496
68%
**95
100%
Vihtavuori N150
<<locked>>
81%
31444
50%
**08
98%
Vihtavuori N160
<<locked>>
81%
32576
52%
**60
95%
Vihtavuori N530
<<locked>>
81%
50589
81%
**49
100%
Vihtavuori N540
<<locked>>
81%
41901
67%
**15
100%
Vihtavuori N550
<<locked>>
81%
32793
53%
**00
95%
[Vihtavuori N555]*
<<locked>>
82%
23221
37%
**83
90%
Winchester 6.5 StaBALL
<<locked>>
81%
31140
50%
**15
97%
Winchester 748
<<locked>>
81%
51648
83%
**98
100%
[Winchester 760]*
<<locked>>
81%
34287
55%
**26
92%
[Winchester StaBALL HD]*
<<locked>>
89%
24134
39%
**26
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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