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Load data for .340 Weath. Mag. + .338 | 185gr | Barnes MRX BT

Recommended Powder(s): Alliant Reloder-17, Hodgdon CFE223, Ramshot Big Game, ReloadSwiss RS 60, SNPE Vectan SP 11

.340 Weath. Mag. + .338 | 185gr | Barnes MRX BT

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.338 | 185gr | Barnes MRX BT
Manufacturer SKU:
33863
Bullet Weight:
185gr | 12.0g
Bullet Diameter:
0.338" | 8.59mm
Bullet Length:
1.350" | 34.3mm
Caliber:
.340 Weath. Mag. load data
Case Length (l3):
2.825" | 71.8mm
Cartridge Length (C.O.L.):
3.620" | 91.9mm
Seated Depth:
0.555" | 14.1mm
Shank Seated Depth:
0.430" | 10.9mm
Case Capacity:
100.0 Grains of Water | 6.49 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
63817 psi | 4400 bar
LID:
LID_B664_C476
Last updated:
2025-01-01
Recommended Twist Rate:
1:13 - 1:11

Load data for 186 loads in caliber .340 Weath. Mag. with .338 | 185gr | Barnes MRX BT bullet and 93 powders such as Alliant Reloder-17, Hodgdon CFE223, Ramshot Big Game, ReloadSwiss RS 60, SNPE Vectan SP 11. 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%
57392
90%
**25
100%
ADI AR 2208
<<locked>>
92%
57261
90%
**99
100%
[ADI AR 2209]*
<<locked>>
97%
45208
71%
**48
92%
Accurate 2200
<<locked>>
85%
56797
89%
**82
99%
Accurate 2495
<<locked>>
86%
57363
90%
**69
100%
Accurate 2520
<<locked>>
85%
56971
89%
**89
100%
Accurate 2700
<<locked>>
93%
56913
89%
**33
97%
[Accurate 3100]*
<<locked>>
97%
38029
60%
**94
94%
Accurate 4064
<<locked>>
91%
57130
90%
**92
100%
Accurate 4350
<<locked>>
97%
53200
83%
**15
99%
Alliant AR-Comp
<<locked>>
85%
57421
90%
**43
100%
Alliant Reloder- TS 15.5
<<locked>>
92%
57029
89%
**22
100%
Alliant Reloder-15
<<locked>>
90%
56753
89%
**31
100%
Alliant Reloder-16
<<locked>>
97%
50575
79%
**05
99%
Alliant Reloder-17 👍
<<locked>>
96%
56985
89%
**36
100%
[Alliant Reloder-19]*
<<locked>>
97%
44541
70%
**44
92%
Alliant Reloder-23
<<locked>>
97%
36796
58%
**33
97%
Alliant Reloder-26
<<locked>>
97%
40640
64%
**77
96%
Baschieri & Pellagri 107
<<locked>>
87%
57406
90%
**35
100%
Hodgdon BL-C2
<<locked>>
85%
57276
90%
**25
100%
Hodgdon Benchmark
<<locked>>
85%
57130
90%
**36
100%
Hodgdon CFE223 👍
<<locked>>
90%
57043
89%
**71
100%
Hodgdon H322
<<locked>>
83%
56840
89%
**63
100%
Hodgdon H380
<<locked>>
91%
56985
89%
**25
99%
Hodgdon H414
<<locked>>
94%
56695
89%
**77
98%
Hodgdon H4350
<<locked>>
97%
49617
78%
**90
95%
Hodgdon Hybrid 100V
<<locked>>
97%
47485
74%
**90
100%
Hodgdon LVR
<<locked>>
97%
57014
89%
**61
99%
Hodgdon Superperformance
<<locked>>
97%
57014
89%
**07
97%
Hodgdon VARGET
<<locked>>
93%
57116
89%
**02
100%
Hodgdon TrailBoss
<<locked>>
97%
34156
54%
**14
100%
IMR 3031
<<locked>>
89%
56811
89%
**99
100%
IMR 4064
<<locked>>
93%
57145
90%
**95
100%
IMR 4166 Enduron
<<locked>>
93%
57000
89%
**69
98%
IMR 4350
<<locked>>
97%
52185
82%
**36
96%
IMR 4451 Enduron
<<locked>>
94%
56724
89%
**89
97%
IMR 4831
<<locked>>
97%
44744
70%
**41
98%
IMR 4895
<<locked>>
89%
56797
89%
**45
100%
IMR 8208 XBR
<<locked>>
86%
57043
89%
**79
100%
Lovex D073.6
<<locked>>
87%
56971
89%
**89
100%
Lovex S060
<<locked>>
87%
57130
90%
**53
100%
Lovex S062
<<locked>>
91%
57261
90%
**92
100%
Lovex S065
<<locked>>
97%
56855
89%
**92
99%
Lovex S070
<<locked>>
97%
54230
85%
**76
97%
Norma 201
<<locked>>
88%
57116
89%
**76
100%
Norma 202
<<locked>>
88%
57421
90%
**76
100%
Norma 203B
<<locked>>
90%
57363
90%
**41
100%
Norma 204
<<locked>>
97%
52808
83%
**76
95%
[Norma MRP]*
<<locked>>
97%
40524
64%
**28
93%
Norma URP
<<locked>>
97%
52228
82%
**95
99%
Ramshot Big Game 👍
<<locked>>
90%
57174
90%
**54
100%
Ramshot Hunter
<<locked>>
97%
51155
80%
**86
97%
Ramshot TAC
<<locked>>
85%
57232
90%
**92
99%
Ramshot Wild Boar
<<locked>>
86%
57406
90%
**25
100%
ReloadSwiss RS 14
<<locked>>
97%
34548
54%
**57
100%
ReloadSwiss RS 50
<<locked>>
91%
57217
90%
**02
98%
ReloadSwiss RS 52
<<locked>>
90%
56623
89%
**48
100%
ReloadSwiss RS 60 👍
<<locked>>
97%
57232
90%
**46
100%
ReloadSwiss RS 62
<<locked>>
97%
52489
82%
**28
99%
ReloadSwiss RS 70
<<locked>>
97%
52185
82%
**48
99%
Rottweil R 901
<<locked>>
85%
56811
89%
**46
100%
Rottweil R 902
<<locked>>
89%
56985
89%
**66
100%
Rottweil R 903
<<locked>>
94%
56855
89%
**12
100%
[Rottweil R 904]*
<<locked>>
97%
46949
74%
**38
92%
[Rottweil R 905]*
<<locked>>
97%
42801
67%
**12
92%
Rottweil R 907
<<locked>>
96%
57174
90%
**89
97%
SNPE Vectan SP 11 👍
<<locked>>
93%
56797
89%
**51
100%
SNPE Vectan SP 7
<<locked>>
86%
56826
89%
**86
99%
SNPE Vectan SP 9
<<locked>>
88%
56855
89%
**02
100%
SNPE Vectan Tubal 3000
<<locked>>
87%
57363
90%
**00
100%
SNPE Vectan Tubal 5000
<<locked>>
93%
57043
89%
**90
100%
SNPE Vectan Tubal 7000
<<locked>>
97%
57406
90%
**46
98%
Shooters World Long Rifle
<<locked>>
97%
56855
89%
**92
99%
Shooters World Match Rifle
<<locked>>
87%
56971
89%
**89
100%
Shooters World Precision
<<locked>>
91%
57261
90%
**92
100%
Somchem S335
<<locked>>
87%
57246
90%
**04
100%
Somchem S341
<<locked>>
86%
57203
90%
**89
100%
Somchem S355
<<locked>>
94%
57246
90%
**15
100%
Somchem S365
<<locked>>
97%
46818
73%
**40
100%
[Somchem S385]*
<<locked>>
97%
43743
69%
**08
94%
Vihtavuori N130
<<locked>>
84%
57392
90%
**71
100%
Vihtavuori N133
<<locked>>
89%
56797
89%
**77
100%
Vihtavuori N135
<<locked>>
95%
56652
89%
**33
100%
Vihtavuori N140
<<locked>>
90%
57290
90%
**49
100%
Vihtavuori N150
<<locked>>
97%
53084
83%
**10
100%
Vihtavuori N160
<<locked>>
97%
57188
90%
**31
99%
Vihtavuori N530
<<locked>>
84%
57363
90%
**92
100%
Vihtavuori N540
<<locked>>
90%
57246
90%
**79
100%
Vihtavuori N550
<<locked>>
96%
56826
89%
**71
99%
Vihtavuori N555
<<locked>>
97%
39987
63%
**05
97%
Winchester 6.5 StaBALL
<<locked>>
97%
54650
86%
**72
100%
Winchester 760
<<locked>>
94%
56695
89%
**77
98%
Winchester StaBALL HD
<<locked>>
97%
32576
51%
**00
96%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
47326
74%
**54
99%
ADI AR 2208
<<locked>>
81%
40306
63%
**94
97%
[ADI AR 2209]*
<<locked>>
93%
39943
63%
**33
90%
Accurate 2200
<<locked>>
81%
49516
78%
**58
98%
Accurate 2495
<<locked>>
81%
49124
77%
**51
100%
Accurate 2520
<<locked>>
81%
49792
78%
**81
100%
[Accurate 2700]*
<<locked>>
81%
38682
61%
**98
92%
[Accurate 3100]*
<<locked>>
90%
30400
48%
**03
90%
Accurate 4064
<<locked>>
81%
41423
65%
**26
100%
[Accurate 4350]*
<<locked>>
81%
30356
48%
**23
93%
Alliant AR-Comp
<<locked>>
81%
50241
79%
**51
100%
Alliant Reloder- TS 15.5
<<locked>>
81%
39769
62%
**10
98%
Alliant Reloder-15
<<locked>>
81%
42960
67%
**85
98%
[Alliant Reloder-16]*
<<locked>>
81%
31024
49%
**39
93%
Alliant Reloder-17
<<locked>>
81%
34621
54%
**77
97%
[Alliant Reloder-19]*
<<locked>>
93%
39146
61%
**23
90%
[Alliant Reloder-23]*
<<locked>>
84%
25005
39%
**65
90%
[Alliant Reloder-26]*
<<locked>>
88%
29878
47%
**72
90%
Baschieri & Pellagri 107
<<locked>>
81%
46876
73%
**58
98%
Hodgdon BL-C2
<<locked>>
81%
49545
78%
**10
100%
Hodgdon Benchmark
<<locked>>
81%
51387
81%
**51
100%
Hodgdon CFE223
<<locked>>
81%
41437
65%
**82
97%
Hodgdon H322
<<locked>>
81%
52663
83%
**04
100%
Hodgdon H380
<<locked>>
81%
40756
64%
**26
96%
[Hodgdon H414]*
<<locked>>
81%
35766
56%
**54
91%
[Hodgdon H4350]*
<<locked>>
86%
35317
55%
**85
90%
[Hodgdon Hybrid 100V]*
<<locked>>
81%
28587
45%
**48
94%
[Hodgdon LVR]*
<<locked>>
81%
33620
53%
**95
93%
[Hodgdon Superperformance]*
<<locked>>
84%
35650
56%
**61
90%
Hodgdon VARGET
<<locked>>
81%
39943
63%
**80
97%
Hodgdon TrailBoss
<<locked>>
81%
26963
42%
**60
100%
IMR 3031
<<locked>>
81%
43758
69%
**92
100%
IMR 4064
<<locked>>
81%
39392
62%
**71
97%
[IMR 4166 Enduron]*
<<locked>>
81%
39146
61%
**25
93%
[IMR 4350]*
<<locked>>
84%
35012
55%
**75
90%
[IMR 4451 Enduron]*
<<locked>>
81%
37246
58%
**12
92%
[IMR 4831]*
<<locked>>
81%
26803
42%
**98
90%
IMR 4895
<<locked>>
81%
43947
69%
**12
99%
IMR 8208 XBR
<<locked>>
81%
49458
77%
**58
100%
Lovex D073.6
<<locked>>
81%
46615
73%
**31
100%
Lovex S060
<<locked>>
81%
47239
74%
**89
99%
Lovex S062
<<locked>>
81%
42250
66%
**33
99%
[Lovex S065]*
<<locked>>
81%
34664
54%
**52
93%
[Lovex S070]*
<<locked>>
81%
32837
51%
**20
90%
Norma 201
<<locked>>
81%
46412
73%
**02
100%
Norma 202
<<locked>>
81%
46746
73%
**15
100%
Norma 203B
<<locked>>
81%
42192
66%
**69
98%
[Norma 204]*
<<locked>>
88%
39581
62%
**13
90%
[Norma MRP]*
<<locked>>
93%
35955
56%
**13
90%
[Norma URP]*
<<locked>>
81%
30951
49%
**36
93%
Ramshot Big Game
<<locked>>
81%
41974
66%
**79
98%
[Ramshot Hunter]*
<<locked>>
82%
31357
49%
**39
90%
Ramshot TAC
<<locked>>
81%
49676
78%
**67
98%
Ramshot Wild Boar
<<locked>>
81%
49023
77%
**90
99%
ReloadSwiss RS 14
<<locked>>
81%
27369
43%
**96
100%
[ReloadSwiss RS 50]*
<<locked>>
81%
40901
64%
**03
94%
ReloadSwiss RS 52
<<locked>>
81%
41263
65%
**79
99%
ReloadSwiss RS 60
<<locked>>
81%
33547
53%
**54
97%
[ReloadSwiss RS 62]*
<<locked>>
81%
30342
48%
**36
92%
[ReloadSwiss RS 70]*
<<locked>>
81%
30560
48%
**36
90%
Rottweil R 901
<<locked>>
81%
50343
79%
**44
100%
Rottweil R 902
<<locked>>
81%
44077
69%
**56
99%
Rottweil R 903
<<locked>>
81%
37318
58%
**61
98%
[Rottweil R 904]*
<<locked>>
94%
43004
67%
**56
90%
[Rottweil R 905]*
<<locked>>
93%
37884
59%
**03
90%
[Rottweil R 907]*
<<locked>>
81%
35897
56%
**72
91%
SNPE Vectan SP 11
<<locked>>
81%
38450
60%
**07
97%
SNPE Vectan SP 7
<<locked>>
81%
47935
75%
**44
98%
SNPE Vectan SP 9
<<locked>>
81%
45730
72%
**18
99%
SNPE Vectan Tubal 3000
<<locked>>
81%
47688
75%
**49
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
39639
62%
**12
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
81%
33765
53%
**93
91%
[Shooters World Long Rifle]*
<<locked>>
81%
34664
54%
**52
93%
Shooters World Match Rifle
<<locked>>
81%
46615
73%
**31
100%
Shooters World Precision
<<locked>>
81%
42250
66%
**33
99%
Somchem S335
<<locked>>
81%
47239
74%
**56
100%
Somchem S341
<<locked>>
81%
47819
75%
**35
99%
Somchem S355
<<locked>>
81%
38116
60%
**67
98%
Somchem S365
<<locked>>
81%
27717
43%
**77
95%
[Somchem S385]*
<<locked>>
90%
35360
55%
**21
90%
Vihtavuori N130
<<locked>>
81%
52910
83%
**02
100%
Vihtavuori N133
<<locked>>
81%
44860
70%
**00
100%
Vihtavuori N135
<<locked>>
81%
37130
58%
**05
100%
Vihtavuori N140
<<locked>>
81%
43656
68%
**33
100%
Vihtavuori N150
<<locked>>
81%
32416
51%
**07
97%
[Vihtavuori N160]*
<<locked>>
81%
33591
53%
**66
94%
Vihtavuori N530
<<locked>>
81%
52518
82%
**20
100%
Vihtavuori N540
<<locked>>
81%
43439
68%
**53
100%
[Vihtavuori N550]*
<<locked>>
81%
34243
54%
**21
94%
[Vihtavuori N555]*
<<locked>>
83%
25628
40%
**11
90%
Winchester 6.5 StaBALL
<<locked>>
81%
32314
51%
**20
96%
[Winchester 760]*
<<locked>>
81%
35766
56%
**54
91%
[Winchester StaBALL HD]*
<<locked>>
90%
26281
41%
**54
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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