top of page

Load data for .340 Weath. Mag. + .338 | 285gr | Hornady BTHP

Recommended Powder(s):

.340 Weath. 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:
<<locked>>
Caliber:
.340 Weath. Mag. load data
Case Length (l3):
2.825" | 71.8mm
Cartridge Length (C.O.L.):
<<locked>>
Seated Depth:
<<locked>>
Shank Seated Depth:
<<locked>>
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_B2761_C476
Last updated:
2026-01-31
Recommended Twist Rate:
1:11 - 1:9

Load data for 168 loads in caliber .340 Weath. Mag. with .338 | 285gr | Hornady BTHP bullet and 84 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.

    .

    Loading_icon.gif

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>>
85%
57290
90%
**08
100%
ADI AR 2209 👍
<<locked>>
96%
57058
89%
**13
100%
ADI AR 2213
<<locked>>
97%
52446
82%
**84
98%
[ADI AR 2217]*
<<locked>>
97%
38116
60%
**28
94%
ADI AR 2225
<<locked>>
97%
33852
53%
**98
96%
Accurate 2700
<<locked>>
86%
57392
90%
**95
100%
Accurate 3100
<<locked>>
97%
51851
81%
**05
100%
Accurate 4350
<<locked>>
91%
57261
90%
**70
100%
Accurate MAGPRO
<<locked>>
97%
50778
80%
**80
96%
Alliant Reloder- TS 15.5
<<locked>>
85%
57377
90%
**21
100%
Alliant Reloder-16
<<locked>>
92%
57188
90%
**10
100%
Alliant Reloder-17
<<locked>>
87%
56927
89%
**10
100%
Alliant Reloder-19 👍
<<locked>>
96%
57072
89%
**07
100%
Alliant Reloder-22
<<locked>>
97%
51517
81%
**77
99%
Alliant Reloder-23
<<locked>>
97%
49124
77%
**18
100%
Alliant Reloder-25
<<locked>>
97%
42134
66%
**59
100%
Alliant Reloder-26 👍
<<locked>>
97%
56115
88%
**89
100%
Baschieri & Pellagri 109
<<locked>>
97%
51706
81%
**05
95%
Bofors RP15
<<locked>>
97%
47123
74%
**11
98%
Bofors RP3
<<locked>>
84%
56927
89%
**18
100%
Bofors RP30
<<locked>>
97%
38580
60%
**97
96%
Bofors RP5
<<locked>>
97%
51517
81%
**77
99%
Bofors RP7
<<locked>>
89%
57188
90%
**28
100%
[Hodgdon H1000]*
<<locked>>
97%
38116
60%
**28
94%
Hodgdon H380
<<locked>>
84%
57058
89%
**34
100%
Hodgdon H414
<<locked>>
87%
56971
89%
**97
100%
Hodgdon H4350
<<locked>>
94%
57348
90%
**48
100%
Hodgdon H4831
<<locked>>
97%
48501
76%
**72
97%
Hodgdon H4831 SC
<<locked>>
97%
55056
86%
**64
98%
Hodgdon Hybrid 100V
<<locked>>
94%
57319
90%
**38
100%
Hodgdon LVR
<<locked>>
89%
56782
89%
**70
100%
Hodgdon Retumbo
<<locked>>
97%
33852
53%
**98
96%
Hodgdon Superperformance
<<locked>>
89%
56985
89%
**26
100%
Hodgdon VARGET
<<locked>>
85%
57058
89%
**08
100%
IMR 4064
<<locked>>
86%
57217
90%
**98
100%
IMR 4166 Enduron
<<locked>>
87%
57392
90%
**08
100%
IMR 4350
<<locked>>
92%
57101
89%
**48
100%
IMR 4451 Enduron
<<locked>>
87%
56739
89%
**21
100%
IMR 4831
<<locked>>
96%
57232
90%
**61
100%
IMR 4955 Enduron
<<locked>>
97%
53403
84%
**11
98%
IMR 7828 SSC
<<locked>>
97%
54041
85%
**16
99%
Lovex S062
<<locked>>
83%
56884
89%
**85
100%
Lovex S065
<<locked>>
90%
57232
90%
**28
100%
Lovex S070
<<locked>>
91%
57000
89%
**44
100%
Lovex S071
<<locked>>
97%
43526
68%
**83
99%
Norma 203B
<<locked>>
83%
57348
90%
**31
100%
Norma 204
<<locked>>
92%
57217
90%
**93
99%
[Norma 217]*
<<locked>>
97%
29762
47%
**26
94%
Norma MRP 👍
<<locked>>
97%
54331
85%
**46
100%
Norma URP
<<locked>>
91%
56768
89%
**70
100%
Ramshot Grand
<<locked>>
97%
57101
89%
**72
99%
Ramshot Hunter
<<locked>>
92%
57000
89%
**00
100%
Ramshot Magnum
<<locked>>
97%
49980
78%
**44
99%
ReloadSwiss RS 50
<<locked>>
84%
56681
89%
**25
100%
ReloadSwiss RS 60
<<locked>>
86%
57246
90%
**07
100%
ReloadSwiss RS 62
<<locked>>
91%
57261
90%
**00
100%
ReloadSwiss RS 70
<<locked>>
91%
56782
89%
**39
100%
ReloadSwiss RS 76
<<locked>>
97%
40901
64%
**85
99%
[ReloadSwiss RS 80]*
<<locked>>
97%
36680
57%
**80
92%
Rottweil R 903
<<locked>>
86%
57145
90%
**15
100%
Rottweil R 904
<<locked>>
95%
56840
89%
**57
99%
Rottweil R 905 👍
<<locked>>
97%
56565
89%
**00
100%
Rottweil R 907
<<locked>>
89%
57188
90%
**28
100%
SNPE Vectan SP 11
<<locked>>
85%
56826
89%
**48
100%
SNPE Vectan Tubal 5000
<<locked>>
86%
57276
90%
**00
100%
SNPE Vectan Tubal 7000
<<locked>>
90%
57276
90%
**92
100%
Shooters World Long Rifle
<<locked>>
90%
57232
90%
**28
100%
Shooters World Precision
<<locked>>
83%
56884
89%
**85
100%
Somchem S355
<<locked>>
86%
57130
90%
**11
100%
Somchem S361
<<locked>>
95%
57334
90%
**41
98%
Somchem S365
<<locked>>
94%
57261
90%
**80
100%
Somchem S385
<<locked>>
96%
56840
89%
**74
100%
Vihtavuori N135
<<locked>>
87%
56681
89%
**20
100%
Vihtavuori N150
<<locked>>
91%
57392
90%
**79
100%
Vihtavuori N160
<<locked>>
89%
56855
89%
**41
100%
Vihtavuori N165
<<locked>>
97%
47906
75%
**43
99%
Vihtavuori N550
<<locked>>
88%
56782
89%
**74
100%
Vihtavuori N555
<<locked>>
97%
54824
86%
**80
100%
Vihtavuori N560
<<locked>>
97%
51503
81%
**97
98%
Vihtavuori N565
<<locked>>
97%
44121
69%
**72
96%
[Vihtavuori N568]*
<<locked>>
97%
38421
60%
**97
93%
Winchester 6.5 StaBALL
<<locked>>
90%
57014
89%
**21
100%
Winchester 760
<<locked>>
87%
56971
89%
**97
100%
Winchester StaBALL HD
<<locked>>
97%
43903
69%
**77
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
50270
79%
**20
100%
ADI AR 2209
<<locked>>
81%
35012
55%
**46
95%
[ADI AR 2213]*
<<locked>>
81%
31270
49%
**77
91%
[ADI AR 2217]*
<<locked>>
90%
30661
48%
**60
90%
[ADI AR 2225]*
<<locked>>
87%
25237
40%
**59
90%
Accurate 2700
<<locked>>
81%
48341
76%
**67
99%
Accurate 3100
<<locked>>
81%
30414
48%
**37
96%
Accurate 4350
<<locked>>
81%
41307
65%
**47
100%
[Accurate MAGPRO]*
<<locked>>
85%
33779
53%
**69
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
50966
80%
**39
100%
Alliant Reloder-16
<<locked>>
81%
40001
63%
**57
100%
Alliant Reloder-17
<<locked>>
81%
45585
71%
**62
100%
Alliant Reloder-19
<<locked>>
81%
34751
54%
**36
95%
[Alliant Reloder-22]*
<<locked>>
81%
30705
48%
**87
93%
Alliant Reloder-23
<<locked>>
81%
29472
46%
**64
99%
[Alliant Reloder-25]*
<<locked>>
81%
25875
41%
**75
94%
Alliant Reloder-26
<<locked>>
81%
31386
49%
**72
98%
[Baschieri & Pellagri 109]*
<<locked>>
87%
38392
60%
**62
90%
[Bofors RP15]*
<<locked>>
81%
28572
45%
**34
92%
Bofors RP3
<<locked>>
81%
51735
81%
**52
100%
[Bofors RP30]*
<<locked>>
87%
28036
44%
**47
90%
[Bofors RP5]*
<<locked>>
81%
30705
48%
**87
93%
Bofors RP7
<<locked>>
81%
45179
71%
**54
99%
[Hodgdon H1000]*
<<locked>>
90%
30661
48%
**60
90%
Hodgdon H380
<<locked>>
81%
52011
82%
**72
100%
Hodgdon H414
<<locked>>
81%
47137
74%
**56
99%
Hodgdon H4350
<<locked>>
81%
38624
61%
**62
97%
[Hodgdon H4831]*
<<locked>>
82%
30530
48%
**28
90%
[Hodgdon H4831 SC]*
<<locked>>
81%
32634
51%
**73
91%
Hodgdon Hybrid 100V
<<locked>>
81%
37710
59%
**65
100%
Hodgdon LVR
<<locked>>
81%
43990
69%
**90
100%
[Hodgdon Retumbo]*
<<locked>>
87%
25237
40%
**59
90%
Hodgdon Superperformance
<<locked>>
81%
42061
66%
**13
98%
Hodgdon VARGET
<<locked>>
81%
50053
78%
**20
100%
IMR 4064
<<locked>>
81%
49487
78%
**00
100%
IMR 4166 Enduron
<<locked>>
81%
48385
76%
**80
99%
IMR 4350
<<locked>>
81%
40437
63%
**98
98%
IMR 4451 Enduron
<<locked>>
81%
46615
73%
**80
99%
IMR 4831
<<locked>>
81%
36042
56%
**42
99%
[IMR 4955 Enduron]*
<<locked>>
81%
33315
52%
**57
92%
[IMR 7828 SSC]*
<<locked>>
81%
31691
50%
**00
91%
Lovex S062
<<locked>>
81%
53243
83%
**39
100%
Lovex S065
<<locked>>
81%
44077
69%
**38
100%
Lovex S070
<<locked>>
81%
42293
66%
**28
99%
[Lovex S071]*
<<locked>>
81%
26324
41%
**36
94%
Norma 203B
<<locked>>
81%
53635
84%
**85
100%
Norma 204
<<locked>>
81%
40132
63%
**28
97%
[Norma 217]*
<<locked>>
91%
25164
39%
**95
90%
Norma MRP
<<locked>>
81%
31749
50%
**42
96%
Norma URP
<<locked>>
81%
40930
64%
**44
100%
[Ramshot Grand]*
<<locked>>
81%
32474
51%
**33
92%
Ramshot Hunter
<<locked>>
81%
39827
62%
**44
99%
[Ramshot Magnum]*
<<locked>>
81%
28108
44%
**18
92%
ReloadSwiss RS 50
<<locked>>
81%
51880
81%
**62
100%
ReloadSwiss RS 60
<<locked>>
81%
48399
76%
**98
100%
ReloadSwiss RS 62
<<locked>>
81%
41118
64%
**70
100%
ReloadSwiss RS 70
<<locked>>
81%
39798
62%
**87
100%
[ReloadSwiss RS 76]*
<<locked>>
83%
25527
40%
**85
90%
[ReloadSwiss RS 80]*
<<locked>>
93%
32547
51%
**82
90%
Rottweil R 903
<<locked>>
81%
48689
76%
**06
100%
[Rottweil R 904]*
<<locked>>
81%
36376
57%
**33
94%
Rottweil R 905
<<locked>>
81%
33794
53%
**23
95%
Rottweil R 907
<<locked>>
81%
45179
71%
**54
99%
SNPE Vectan SP 11
<<locked>>
81%
49719
78%
**56
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
49371
77%
**08
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
42946
67%
**92
99%
Shooters World Long Rifle
<<locked>>
81%
44077
69%
**38
100%
Shooters World Precision
<<locked>>
81%
53243
83%
**39
100%
Somchem S355
<<locked>>
81%
48791
76%
**03
100%
[Somchem S361]*
<<locked>>
81%
36956
58%
**26
93%
Somchem S365
<<locked>>
81%
37347
59%
**08
100%
Somchem S385
<<locked>>
81%
34548
54%
**16
96%
Vihtavuori N135
<<locked>>
81%
47485
74%
**11
100%
Vihtavuori N150
<<locked>>
81%
41989
66%
**75
100%
Vihtavuori N160
<<locked>>
81%
44019
69%
**64
100%
[Vihtavuori N165]*
<<locked>>
81%
28964
45%
**88
93%
Vihtavuori N550
<<locked>>
81%
44817
70%
**03
100%
Vihtavuori N555
<<locked>>
81%
32938
52%
**33
99%
[Vihtavuori N560]*
<<locked>>
81%
30908
48%
**96
91%
[Vihtavuori N565]*
<<locked>>
84%
28892
45%
**57
90%
[Vihtavuori N568]*
<<locked>>
93%
33663
53%
**95
90%
Winchester 6.5 StaBALL
<<locked>>
81%
41452
65%
**11
100%
Winchester 760
<<locked>>
81%
47137
74%
**56
99%
Winchester StaBALL HD
<<locked>>
81%
23395
37%
**64
99%

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

bottom of page