top of page

Load data for .340 Weath. Mag. + .338 | 254gr | CutEdge MTAC

Recommended Powder(s):

.340 Weath. Mag. + .338 | 254gr | CutEdge MTAC

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.338 | 254gr | CutEdge MTAC
Manufacturer SKU:
MTAC 338 254
Bullet Weight:
254gr | 16.5g
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_B8520_C476
Last updated:
2026-02-04
Recommended Twist Rate:
1:10 - 1:9

Load data for 192 loads in caliber .340 Weath. Mag. with .338 | 254gr | CutEdge MTAC bullet and 96 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 2206H
<<locked>>
83%
57159
90%
**62
100%
ADI AR 2208
<<locked>>
88%
56637
89%
**52
100%
ADI AR 2209
<<locked>>
97%
51459
81%
**69
98%
ADI AR 2213
<<locked>>
97%
46093
72%
**07
95%
Accurate 2700
<<locked>>
89%
57276
90%
**26
99%
Accurate 3100
<<locked>>
97%
44077
69%
**31
99%
Accurate 4064
<<locked>>
87%
56898
89%
**30
100%
Accurate 4350
<<locked>>
95%
56942
89%
**25
100%
[Accurate MAGPRO]*
<<locked>>
97%
43758
69%
**97
92%
Alliant Power Pro 2000-MR
<<locked>>
85%
57217
90%
**84
100%
Alliant Reloder- TS 15.5
<<locked>>
88%
56956
89%
**62
100%
Alliant Reloder-15
<<locked>>
86%
57261
90%
**89
100%
Alliant Reloder-16 👍
<<locked>>
96%
57348
90%
**67
100%
Alliant Reloder-17
<<locked>>
91%
57217
90%
**74
100%
Alliant Reloder-19
<<locked>>
97%
50633
79%
**56
98%
Alliant Reloder-22
<<locked>>
97%
44628
70%
**03
97%
Alliant Reloder-23
<<locked>>
97%
42134
66%
**57
100%
Alliant Reloder-25
<<locked>>
97%
36709
58%
**79
98%
Alliant Reloder-26
<<locked>>
97%
47094
74%
**18
100%
Bofors RP15
<<locked>>
97%
40857
64%
**34
95%
Bofors RP3
<<locked>>
88%
56695
89%
**69
100%
Bofors RP5
<<locked>>
97%
44628
70%
**03
97%
Bofors RP7
<<locked>>
92%
56608
89%
**62
99%
Hodgdon CFE223
<<locked>>
86%
56594
89%
**18
100%
Hodgdon H380
<<locked>>
88%
57363
90%
**89
100%
Hodgdon H414
<<locked>>
91%
57319
90%
**44
100%
Hodgdon H4350
<<locked>>
97%
56086
88%
**79
99%
[Hodgdon H4831]*
<<locked>>
97%
42424
66%
**92
93%
Hodgdon H4831 SC
<<locked>>
97%
48356
76%
**00
95%
Hodgdon Hybrid 100V
<<locked>>
97%
54621
86%
**59
100%
Hodgdon LVR
<<locked>>
93%
57159
90%
**21
100%
Hodgdon Superperformance 👍
<<locked>>
93%
57174
90%
**80
100%
Hodgdon VARGET
<<locked>>
89%
57145
90%
**56
100%
IMR 3031
<<locked>>
85%
56826
89%
**30
100%
IMR 4064
<<locked>>
89%
57406
90%
**49
100%
IMR 4166 Enduron
<<locked>>
90%
56971
89%
**43
100%
IMR 4350
<<locked>>
96%
56913
89%
**89
99%
IMR 4451 Enduron
<<locked>>
91%
56652
89%
**62
99%
IMR 4831
<<locked>>
97%
51474
81%
**39
100%
IMR 4895
<<locked>>
85%
57276
90%
**95
100%
IMR 4955 Enduron
<<locked>>
97%
47732
75%
**54
95%
IMR 7828 SSC
<<locked>>
97%
46601
73%
**33
95%
Lovex D073.6
<<locked>>
83%
56826
89%
**30
100%
Lovex S060
<<locked>>
84%
57377
90%
**13
100%
Lovex S062
<<locked>>
87%
57363
90%
**43
100%
Lovex S065
<<locked>>
93%
56739
89%
**66
100%
Lovex S070
<<locked>>
95%
57058
89%
**89
100%
Lovex S071
<<locked>>
97%
36724
58%
**97
97%
Norma 201
<<locked>>
84%
56869
89%
**23
100%
Norma 202
<<locked>>
83%
56855
89%
**13
100%
Norma 203B
<<locked>>
87%
57203
90%
**82
100%
Norma 204
<<locked>>
95%
57406
90%
**31
99%
Norma MRP
<<locked>>
97%
46789
73%
**75
98%
Norma URP
<<locked>>
95%
57276
90%
**31
100%
Ramshot Big Game
<<locked>>
86%
56826
89%
**98
100%
Ramshot Grand
<<locked>>
97%
49588
78%
**92
97%
Ramshot Hunter 👍
<<locked>>
96%
57392
90%
**51
100%
Ramshot Magnum
<<locked>>
97%
43047
67%
**61
97%
ReloadSwiss RS 50
<<locked>>
87%
57116
90%
**72
100%
ReloadSwiss RS 52
<<locked>>
83%
56942
89%
**35
100%
ReloadSwiss RS 60
<<locked>>
89%
56666
89%
**61
100%
ReloadSwiss RS 62 👍
<<locked>>
95%
57130
90%
**51
100%
ReloadSwiss RS 70 👍
<<locked>>
95%
57261
90%
**00
100%
ReloadSwiss RS 76
<<locked>>
97%
35128
55%
**69
95%
Rottweil R 902
<<locked>>
86%
57435
90%
**20
100%
Rottweil R 903
<<locked>>
90%
57174
90%
**72
100%
Rottweil R 904
<<locked>>
97%
53388
84%
**43
97%
Rottweil R 905
<<locked>>
97%
49661
78%
**43
98%
Rottweil R 907
<<locked>>
92%
56608
89%
**62
99%
SNPE Vectan SP 11
<<locked>>
89%
56956
89%
**05
100%
SNPE Vectan SP 9
<<locked>>
84%
57392
90%
**62
100%
SNPE Vectan Tubal 3000
<<locked>>
83%
56971
89%
**48
100%
SNPE Vectan Tubal 5000
<<locked>>
89%
57406
90%
**48
100%
SNPE Vectan Tubal 7000
<<locked>>
93%
56695
89%
**26
100%
Shooters World Long Rifle
<<locked>>
93%
56739
89%
**66
100%
Shooters World Match Rifle
<<locked>>
83%
56826
89%
**30
100%
Shooters World Precision
<<locked>>
87%
57363
90%
**43
100%
Somchem S335
<<locked>>
84%
56782
89%
**48
100%
Somchem S355
<<locked>>
90%
56550
89%
**59
100%
Somchem S361
<<locked>>
97%
55172
86%
**46
97%
Somchem S365
<<locked>>
97%
55172
86%
**15
100%
Somchem S385
<<locked>>
97%
50575
79%
**26
99%
Vihtavuori N133
<<locked>>
85%
56710
89%
**25
100%
Vihtavuori N135
<<locked>>
91%
56913
89%
**80
100%
Vihtavuori N140
<<locked>>
86%
57159
90%
**93
100%
Vihtavuori N150
<<locked>>
95%
56913
89%
**23
100%
Vihtavuori N160
<<locked>>
93%
57217
90%
**89
100%
Vihtavuori N165
<<locked>>
97%
41655
65%
**72
96%
Vihtavuori N540
<<locked>>
86%
57406
90%
**23
100%
Vihtavuori N550
<<locked>>
93%
57334
90%
**28
100%
Vihtavuori N555
<<locked>>
97%
47210
74%
**30
100%
Vihtavuori N560
<<locked>>
97%
44773
70%
**16
95%
[Vihtavuori N565]*
<<locked>>
97%
36738
58%
**65
92%
Winchester 6.5 StaBALL
<<locked>>
94%
56913
89%
**66
100%
Winchester 760
<<locked>>
91%
57319
90%
**44
100%
Winchester StaBALL HD
<<locked>>
97%
35346
55%
**90
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
53330
84%
**13
100%
ADI AR 2208
<<locked>>
81%
45049
71%
**82
100%
[ADI AR 2209]*
<<locked>>
81%
30908
48%
**62
91%
[ADI AR 2213]*
<<locked>>
88%
34461
54%
**64
90%
Accurate 2700
<<locked>>
81%
43178
68%
**20
97%
[Accurate 3100]*
<<locked>>
81%
25585
40%
**34
92%
Accurate 4064
<<locked>>
81%
46963
74%
**95
100%
Accurate 4350
<<locked>>
81%
35578
56%
**83
98%
[Accurate MAGPRO]*
<<locked>>
93%
38522
60%
**95
90%
Alliant Power Pro 2000-MR
<<locked>>
81%
49763
78%
**75
100%
Alliant Reloder- TS 15.5
<<locked>>
81%
45266
71%
**05
100%
Alliant Reloder-15
<<locked>>
81%
48689
76%
**67
100%
Alliant Reloder-16
<<locked>>
81%
35230
55%
**93
98%
Alliant Reloder-17
<<locked>>
81%
39552
62%
**08
100%
[Alliant Reloder-19]*
<<locked>>
81%
30501
48%
**59
91%
[Alliant Reloder-22]*
<<locked>>
84%
29443
46%
**72
90%
Alliant Reloder-23
<<locked>>
81%
25266
40%
**67
96%
[Alliant Reloder-25]*
<<locked>>
84%
24250
38%
**31
90%
[Alliant Reloder-26]*
<<locked>>
81%
26672
42%
**52
94%
[Bofors RP15]*
<<locked>>
87%
29762
47%
**78
90%
Bofors RP3
<<locked>>
81%
45310
71%
**15
100%
[Bofors RP5]*
<<locked>>
84%
29443
46%
**72
90%
Bofors RP7
<<locked>>
81%
40335
63%
**03
96%
Hodgdon CFE223
<<locked>>
81%
47340
74%
**84
100%
Hodgdon H380
<<locked>>
81%
45876
72%
**21
100%
Hodgdon H414
<<locked>>
81%
41278
65%
**98
97%
[Hodgdon H4350]*
<<locked>>
81%
34026
53%
**95
94%
[Hodgdon H4831]*
<<locked>>
91%
34882
55%
**38
90%
[Hodgdon H4831 SC]*
<<locked>>
87%
35157
55%
**47
90%
Hodgdon Hybrid 100V
<<locked>>
81%
32416
51%
**98
99%
Hodgdon LVR
<<locked>>
81%
38638
61%
**33
98%
Hodgdon Superperformance
<<locked>>
81%
36637
57%
**33
95%
Hodgdon VARGET
<<locked>>
81%
44846
70%
**75
100%
IMR 3031
<<locked>>
81%
49995
78%
**38
100%
IMR 4064
<<locked>>
81%
44150
69%
**59
100%
IMR 4166 Enduron
<<locked>>
81%
43555
68%
**33
98%
IMR 4350
<<locked>>
81%
36013
56%
**34
95%
IMR 4451 Enduron
<<locked>>
81%
41742
65%
**26
97%
IMR 4831
<<locked>>
81%
30966
49%
**69
97%
IMR 4895
<<locked>>
81%
50009
78%
**97
100%
[IMR 4955 Enduron]*
<<locked>>
86%
33997
53%
**92
90%
[IMR 7828 SSC]*
<<locked>>
88%
34374
54%
**77
90%
Lovex D073.6
<<locked>>
81%
52982
83%
**87
100%
Lovex S060
<<locked>>
81%
52431
82%
**48
100%
Lovex S062
<<locked>>
81%
47413
74%
**05
100%
Lovex S065
<<locked>>
81%
38928
61%
**83
98%
Lovex S070
<<locked>>
81%
37028
58%
**60
96%
[Lovex S071]*
<<locked>>
83%
23221
36%
**69
90%
Norma 201
<<locked>>
81%
51793
81%
**61
100%
Norma 202
<<locked>>
81%
52576
82%
**57
100%
Norma 203B
<<locked>>
81%
47935
75%
**57
100%
[Norma 204]*
<<locked>>
81%
35114
55%
**51
93%
[Norma MRP]*
<<locked>>
81%
27253
43%
**36
90%
Norma URP
<<locked>>
81%
35578
56%
**80
98%
Ramshot Big Game
<<locked>>
81%
48153
75%
**80
100%
[Ramshot Grand]*
<<locked>>
86%
33547
53%
**67
90%
Ramshot Hunter
<<locked>>
81%
34447
54%
**67
96%
[Ramshot Magnum]*
<<locked>>
86%
28877
45%
**42
90%
ReloadSwiss RS 50
<<locked>>
81%
46137
72%
**11
99%
ReloadSwiss RS 52
<<locked>>
81%
52344
82%
**72
100%
ReloadSwiss RS 60
<<locked>>
81%
42076
66%
**51
100%
ReloadSwiss RS 62
<<locked>>
81%
35317
55%
**03
98%
ReloadSwiss RS 70
<<locked>>
81%
34621
54%
**03
97%
[ReloadSwiss RS 76]*
<<locked>>
91%
29109
46%
**98
90%
Rottweil R 902
<<locked>>
81%
49342
77%
**18
100%
Rottweil R 903
<<locked>>
81%
42453
67%
**62
100%
[Rottweil R 904]*
<<locked>>
81%
32329
51%
**62
90%
[Rottweil R 905]*
<<locked>>
81%
29298
46%
**39
91%
Rottweil R 907
<<locked>>
81%
40335
63%
**03
96%
SNPE Vectan SP 11
<<locked>>
81%
43859
69%
**18
100%
SNPE Vectan SP 9
<<locked>>
81%
51619
81%
**90
100%
SNPE Vectan Tubal 3000
<<locked>>
81%
53243
83%
**02
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
44701
70%
**87
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
38072
60%
**28
96%
Shooters World Long Rifle
<<locked>>
81%
38928
61%
**83
98%
Shooters World Match Rifle
<<locked>>
81%
52982
83%
**87
100%
Shooters World Precision
<<locked>>
81%
47413
74%
**05
100%
Somchem S335
<<locked>>
81%
52489
82%
**98
100%
Somchem S355
<<locked>>
81%
43134
68%
**65
100%
[Somchem S361]*
<<locked>>
83%
34606
54%
**88
90%
Somchem S365
<<locked>>
81%
32010
50%
**38
100%
[Somchem S385]*
<<locked>>
81%
29646
46%
**33
92%
Vihtavuori N133
<<locked>>
81%
50038
78%
**43
100%
Vihtavuori N135
<<locked>>
81%
42163
66%
**83
100%
Vihtavuori N140
<<locked>>
81%
49182
77%
**95
100%
Vihtavuori N150
<<locked>>
81%
36869
58%
**31
100%
Vihtavuori N160
<<locked>>
81%
38740
61%
**06
99%
[Vihtavuori N165]*
<<locked>>
84%
27920
44%
**73
90%
Vihtavuori N540
<<locked>>
81%
48878
77%
**18
100%
Vihtavuori N550
<<locked>>
81%
39204
61%
**46
99%
Vihtavuori N555
<<locked>>
81%
27412
43%
**33
96%
[Vihtavuori N560]*
<<locked>>
89%
34505
54%
**00
90%
[Vihtavuori N565]*
<<locked>>
94%
33286
52%
**90
90%
Winchester 6.5 StaBALL
<<locked>>
81%
36318
57%
**57
100%
Winchester 760
<<locked>>
81%
41278
65%
**98
97%
[Winchester StaBALL HD]*
<<locked>>
81%
22089
35%
**21
93%

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