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

Recommended Powder(s): ADI AR 2206H, Hodgdon BL-C2, IMR 4895, ReloadSwiss RS 52, SNPE Vectan SP 9

.338 RCM + .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 RCM load data
Case Length (l3):
2.000" | 50.8mm
Cartridge Length (C.O.L.):
2.797" | 71.1mm
Seated Depth:
0.633" | 16.1mm
Shank Seated Depth:
0.508" | 12.9mm
Case Capacity:
71.0 Grains of Water | 4.61 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
62366 psi | 4300 bar
LID:
LID_B674_C458
Last updated:
2025-01-01
Recommended Twist Rate:
1:13 - 1:11

Load data for 192 loads in caliber .338 RCM with .338 | 225gr | Barnes MRX BT bullet and 96 powders such as ADI AR 2206H, Hodgdon BL-C2, IMR 4895, ReloadSwiss RS 52, SNPE Vectan SP 9. 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>>
94%
55361
89%
**36
99%
ADI AR 2208
<<locked>>
97%
50662
81%
**54
98%
ADI AR 2219
<<locked>>
85%
55666
89%
**00
100%
Accurate 2015
<<locked>>
90%
55956
90%
**48
100%
Accurate 2200
<<locked>>
92%
55927
90%
**03
98%
Accurate 2230
<<locked>>
88%
55738
89%
**90
100%
Accurate 2460
<<locked>>
88%
55883
90%
**00
100%
Accurate 2495
<<locked>>
94%
55332
89%
**16
100%
Accurate 2520
<<locked>>
93%
55608
89%
**39
100%
[Accurate 2700]*
<<locked>>
97%
50270
81%
**79
94%
Accurate 4064
<<locked>>
97%
50415
81%
**74
100%
Accurate 4350
<<locked>>
97%
37144
60%
**23
95%
Alliant AR-Comp
<<locked>>
93%
55056
88%
**93
100%
Alliant Reloder- TS 15.5
<<locked>>
97%
49298
79%
**67
99%
Alliant Reloder-10x
<<locked>>
87%
55114
88%
**44
100%
Alliant Reloder-15
<<locked>>
97%
54331
87%
**43
99%
Alliant Reloder-16
<<locked>>
97%
38348
61%
**26
95%
Alliant Reloder-17
<<locked>>
97%
43671
70%
**64
98%
Baschieri & Pellagri 106
<<locked>>
86%
56057
90%
**11
100%
Baschieri & Pellagri 107
<<locked>>
94%
55535
89%
**52
99%
Hodgdon BL-C2 👍
<<locked>>
93%
55956
90%
**69
100%
Hodgdon Benchmark
<<locked>>
91%
55608
89%
**64
100%
Hodgdon CFE223
<<locked>>
97%
52692
84%
**59
98%
Hodgdon H322
<<locked>>
91%
55666
89%
**00
100%
Hodgdon H335
<<locked>>
85%
55187
88%
**10
100%
Hodgdon H380
<<locked>>
97%
51097
82%
**87
98%
[Hodgdon H414]*
<<locked>>
97%
45658
73%
**44
94%
Hodgdon H4198
<<locked>>
84%
55782
89%
**11
100%
Hodgdon Hybrid 100V
<<locked>>
97%
35288
57%
**38
96%
Hodgdon LVR
<<locked>>
97%
42308
68%
**85
95%
Hodgdon VARGET
<<locked>>
97%
50662
81%
**54
98%
IMR 3031
<<locked>>
97%
54070
87%
**26
100%
IMR 4064
<<locked>>
96%
49139
79%
**21
98%
IMR 4166 Enduron
<<locked>>
97%
50299
81%
**02
95%
IMR 4198
<<locked>>
87%
55361
89%
**05
100%
[IMR 4451 Enduron]*
<<locked>>
97%
47587
76%
**88
94%
[IMR 4831]*
<<locked>>
97%
32605
52%
**01
93%
IMR 4895 👍
<<locked>>
97%
55680
89%
**72
100%
IMR 8208 XBR
<<locked>>
92%
55492
89%
**07
100%
Lovex D073.4
<<locked>>
87%
55883
90%
**90
100%
Lovex D073.5
<<locked>>
88%
55274
89%
**93
100%
Lovex D073.6
<<locked>>
95%
55230
89%
**30
100%
Lovex S060
<<locked>>
94%
55550
89%
**67
99%
Lovex S062
<<locked>>
97%
52562
84%
**84
100%
Lovex S065
<<locked>>
97%
42960
69%
**36
95%
[Lovex S070]*
<<locked>>
97%
40379
65%
**06
92%
Norma 200
<<locked>>
84%
55680
89%
**28
100%
Norma 201
<<locked>>
95%
55680
89%
**10
100%
Norma 202
<<locked>>
95%
55608
89%
**13
100%
Norma 203B
<<locked>>
97%
53461
86%
**36
99%
Norma URP
<<locked>>
97%
37855
61%
**20
95%
Ramshot Big Game
<<locked>>
97%
52982
85%
**43
99%
[Ramshot Hunter]*
<<locked>>
96%
37492
60%
**97
92%
Ramshot TAC
<<locked>>
92%
55245
89%
**07
98%
Ramshot Wild Boar
<<locked>>
92%
55158
88%
**36
99%
Ramshot X-Terminator
<<locked>>
90%
56072
90%
**97
99%
ReloadSwiss RS 40
<<locked>>
89%
55550
89%
**00
100%
ReloadSwiss RS 50
<<locked>>
97%
52547
84%
**74
96%
ReloadSwiss RS 52 👍
<<locked>>
96%
51213
82%
**39
100%
ReloadSwiss RS 60
<<locked>>
97%
42612
68%
**51
99%
[ReloadSwiss RS 62]*
<<locked>>
97%
37420
60%
**36
94%
[ReloadSwiss RS 70]*
<<locked>>
97%
38696
62%
**36
93%
Rottweil R 901
<<locked>>
92%
55709
89%
**80
100%
Rottweil R 902
<<locked>>
97%
55796
89%
**00
100%
Rottweil R 903
<<locked>>
97%
45716
73%
**18
99%
[Rottweil R 907]*
<<locked>>
96%
44744
72%
**43
93%
SNPE Vectan SP 10
<<locked>>
85%
55288
89%
**03
100%
SNPE Vectan SP 11
<<locked>>
96%
47572
76%
**70
98%
SNPE Vectan SP 7
<<locked>>
93%
55419
89%
**16
98%
SNPE Vectan SP 9 👍
<<locked>>
95%
56086
90%
**43
99%
SNPE Vectan Tubal 3000
<<locked>>
93%
54781
88%
**21
100%
SNPE Vectan Tubal 5000
<<locked>>
97%
50314
81%
**72
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
97%
42409
68%
**87
93%
Shooters World Long Rifle
<<locked>>
97%
42960
69%
**36
95%
Shooters World Match Rifle
<<locked>>
95%
55230
89%
**30
100%
Shooters World Precision
<<locked>>
97%
52562
84%
**84
100%
Shooters World Tactical Rifle
<<locked>>
86%
55129
88%
**67
100%
Somchem S321
<<locked>>
90%
55825
90%
**33
100%
Somchem S335
<<locked>>
94%
56028
90%
**48
100%
Somchem S341
<<locked>>
94%
55622
89%
**23
99%
Somchem S355
<<locked>>
97%
47210
76%
**28
99%
Somchem S365
<<locked>>
97%
34040
55%
**80
97%
Vihtavuori N120
<<locked>>
84%
55259
89%
**39
100%
Vihtavuori N130
<<locked>>
90%
55245
89%
**02
100%
Vihtavuori N133
<<locked>>
96%
56043
90%
**28
100%
Vihtavuori N135
<<locked>>
97%
44947
72%
**52
100%
Vihtavuori N140
<<locked>>
97%
54897
88%
**80
100%
Vihtavuori N150
<<locked>>
97%
39885
64%
**90
99%
Vihtavuori N160
<<locked>>
96%
41640
67%
**46
96%
Vihtavuori N530
<<locked>>
90%
55201
89%
**13
100%
Vihtavuori N540
<<locked>>
97%
54955
88%
**10
100%
Vihtavuori N550
<<locked>>
97%
41901
67%
**98
96%
Winchester 6.5 StaBALL
<<locked>>
97%
41640
67%
**23
98%
Winchester 748
<<locked>>
90%
55912
90%
**59
100%
[Winchester 760]*
<<locked>>
97%
45658
73%
**44
94%
Winchester StaBALL Match
<<locked>>
88%
55941
90%
**56
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
37057
59%
**38
96%
[ADI AR 2208]*
<<locked>>
81%
31299
50%
**96
93%
ADI AR 2219
<<locked>>
81%
48718
78%
**11
100%
Accurate 2015
<<locked>>
81%
41989
67%
**64
100%
Accurate 2200
<<locked>>
81%
39088
63%
**38
95%
Accurate 2230
<<locked>>
81%
43453
70%
**23
98%
Accurate 2460
<<locked>>
81%
43816
70%
**33
99%
Accurate 2495
<<locked>>
81%
36405
58%
**44
100%
Accurate 2520
<<locked>>
81%
37217
60%
**64
99%
[Accurate 2700]*
<<locked>>
90%
39668
64%
**08
90%
Accurate 4064
<<locked>>
81%
30618
49%
**39
98%
[Accurate 4350]*
<<locked>>
88%
27586
44%
**06
90%
Alliant AR-Comp
<<locked>>
81%
37579
60%
**57
100%
Alliant Reloder- TS 15.5
<<locked>>
81%
30081
48%
**16
95%
Alliant Reloder-10x
<<locked>>
81%
45745
73%
**23
100%
[Alliant Reloder-15]*
<<locked>>
81%
32895
53%
**75
94%
[Alliant Reloder-16]*
<<locked>>
88%
29950
48%
**23
90%
[Alliant Reloder-17]*
<<locked>>
81%
26440
42%
**57
90%
Baschieri & Pellagri 106
<<locked>>
81%
47892
77%
**10
100%
[Baschieri & Pellagri 107]*
<<locked>>
81%
35882
58%
**34
94%
Hodgdon BL-C2
<<locked>>
81%
37275
60%
**83
98%
Hodgdon Benchmark
<<locked>>
81%
41075
66%
**51
99%
[Hodgdon CFE223]*
<<locked>>
81%
31270
50%
**56
92%
Hodgdon H322
<<locked>>
81%
40930
66%
**93
100%
Hodgdon H335
<<locked>>
81%
47776
77%
**11
100%
[Hodgdon H380]*
<<locked>>
81%
30908
50%
**16
91%
[Hodgdon H414]*
<<locked>>
90%
36593
59%
**77
90%
Hodgdon H4198
<<locked>>
81%
50865
82%
**49
100%
[Hodgdon Hybrid 100V]*
<<locked>>
85%
24947
40%
**78
90%
[Hodgdon LVR]*
<<locked>>
86%
30545
49%
**36
90%
[Hodgdon VARGET]*
<<locked>>
81%
31299
50%
**96
93%
IMR 3031
<<locked>>
81%
32953
53%
**98
100%
[IMR 4064]*
<<locked>>
81%
30763
49%
**80
93%
[IMR 4166 Enduron]*
<<locked>>
85%
35737
57%
**46
90%
IMR 4198
<<locked>>
81%
46615
75%
**93
100%
[IMR 4451 Enduron]*
<<locked>>
88%
36361
58%
**92
90%
[IMR 4831]*
<<locked>>
91%
27630
44%
**80
90%
IMR 4895
<<locked>>
81%
33678
54%
**05
95%
IMR 8208 XBR
<<locked>>
81%
39088
63%
**54
98%
Lovex D073.4
<<locked>>
81%
45339
73%
**49
100%
Lovex D073.5
<<locked>>
81%
43497
70%
**26
99%
Lovex D073.6
<<locked>>
81%
34824
56%
**21
99%
Lovex S060
<<locked>>
81%
37840
61%
**88
96%
Lovex S062
<<locked>>
81%
32416
52%
**36
96%
[Lovex S065]*
<<locked>>
87%
31546
51%
**10
90%
[Lovex S070]*
<<locked>>
92%
34650
56%
**95
90%
Norma 200
<<locked>>
81%
51619
83%
**82
100%
Norma 201
<<locked>>
81%
36361
58%
**01
97%
Norma 202
<<locked>>
81%
36071
58%
**15
99%
Norma 203B
<<locked>>
81%
32285
52%
**65
95%
[Norma URP]*
<<locked>>
88%
28761
46%
**06
90%
[Ramshot Big Game]*
<<locked>>
81%
31821
51%
**65
94%
[Ramshot Hunter]*
<<locked>>
94%
34316
55%
**31
90%
[Ramshot TAC]*
<<locked>>
81%
38812
62%
**44
94%
Ramshot Wild Boar
<<locked>>
81%
37463
60%
**60
96%
Ramshot X-Terminator
<<locked>>
81%
42105
68%
**93
97%
ReloadSwiss RS 40
<<locked>>
81%
43874
70%
**29
100%
[ReloadSwiss RS 50]*
<<locked>>
83%
33910
54%
**56
90%
ReloadSwiss RS 52
<<locked>>
81%
30734
49%
**69
96%
[ReloadSwiss RS 60]*
<<locked>>
81%
25744
41%
**41
91%
[ReloadSwiss RS 62]*
<<locked>>
89%
29559
47%
**49
90%
[ReloadSwiss RS 70]*
<<locked>>
93%
34098
55%
**31
90%
Rottweil R 901
<<locked>>
81%
39972
64%
**47
100%
Rottweil R 902
<<locked>>
81%
34577
55%
**59
97%
[Rottweil R 903]*
<<locked>>
81%
27673
44%
**64
93%
[Rottweil R 907]*
<<locked>>
91%
37811
61%
**18
90%
SNPE Vectan SP 10
<<locked>>
81%
48689
78%
**15
100%
[SNPE Vectan SP 11]*
<<locked>>
81%
29254
47%
**10
93%
[SNPE Vectan SP 7]*
<<locked>>
81%
36564
59%
**11
94%
SNPE Vectan SP 9
<<locked>>
81%
35563
57%
**11
96%
SNPE Vectan Tubal 3000
<<locked>>
81%
38145
61%
**78
99%
SNPE Vectan Tubal 5000
<<locked>>
81%
31096
50%
**57
99%
[SNPE Vectan Tubal 7000]*
<<locked>>
91%
34896
56%
**59
90%
[Shooters World Long Rifle]*
<<locked>>
87%
31546
51%
**10
90%
Shooters World Match Rifle
<<locked>>
81%
34824
56%
**21
99%
Shooters World Precision
<<locked>>
81%
32416
52%
**36
96%
Shooters World Tactical Rifle
<<locked>>
81%
46717
75%
**49
99%
Somchem S321
<<locked>>
81%
41568
67%
**23
99%
Somchem S335
<<locked>>
81%
37623
60%
**82
100%
Somchem S341
<<locked>>
81%
36535
59%
**24
96%
[Somchem S355]*
<<locked>>
81%
28993
46%
**77
94%
[Somchem S365]*
<<locked>>
84%
23032
37%
**69
90%
Vihtavuori N120
<<locked>>
81%
50241
81%
**83
100%
Vihtavuori N130
<<locked>>
81%
42685
68%
**38
100%
Vihtavuori N133
<<locked>>
81%
35433
57%
**36
100%
Vihtavuori N135
<<locked>>
81%
27978
45%
**44
99%
Vihtavuori N140
<<locked>>
81%
33518
54%
**49
99%
[Vihtavuori N150]*
<<locked>>
81%
24642
40%
**55
93%
[Vihtavuori N160]*
<<locked>>
85%
28950
46%
**77
90%
Vihtavuori N530
<<locked>>
81%
40814
65%
**97
99%
Vihtavuori N540
<<locked>>
81%
33402
54%
**72
99%
[Vihtavuori N550]*
<<locked>>
85%
28572
46%
**06
90%
[Winchester 6.5 StaBALL]*
<<locked>>
82%
25672
41%
**62
90%
Winchester 748
<<locked>>
81%
40567
65%
**39
99%
[Winchester 760]*
<<locked>>
90%
36593
59%
**77
90%
Winchester StaBALL Match
<<locked>>
81%
43294
69%
**75
98%

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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