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Load data for .338-378 Weath. Mag. + .338 | 210gr | Barnes TSX BT

Recommended Powder(s):

.338-378 Weath. Mag. + .338 | 210gr | Barnes TSX BT

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.338 | 210gr | Barnes TSX BT
Manufacturer SKU:
30410
Bullet Weight:
210gr | 13.6g
Bullet Diameter:
0.338" | 8.59mm
Bullet Length:
1.360" | 34.5mm
Caliber:
.338-378 Weath. Mag. load data
Case Length (l3):
2.910" | 73.9mm
Cartridge Length (C.O.L.):
3.694" | 93.8mm
Seated Depth:
0.576" | 14.6mm
Shank Seated Depth:
0.451" | 11.5mm
Case Capacity:
137.0 Grains of Water | 8.90 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
63817 psi | 4400 bar
LID:
LID_B670_C472
Last updated:
2026-01-20
Recommended Twist Rate:
1:14 - 1:12

Load data for 126 loads in caliber .338-378 Weath. Mag. with .338 | 210gr | Barnes TSX BT bullet and 63 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".

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  • 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 2209
89%
89%
100%
ADI AR 2213
92%
89%
99%
ADI AR 2217
97%
77%
98%
ADI AR 2225
97%
70%
99%
Accurate 3100
92%
90%
100%
Accurate 4350
84%
90%
100%
Accurate MAGPRO
92%
90%
98%
Alliant Reloder-16
85%
90%
100%
Alliant Reloder-19
89%
90%
100%
Alliant Reloder-22
92%
90%
100%
Alliant Reloder-23
93%
90%
100%
Alliant Reloder-25
97%
88%
100%
Alliant Reloder-26
89%
90%
100%
Alliant Reloder-33
97%
73%
93%
Baschieri & Pellagri 109
94%
90%
97%
Bofors RP15
94%
89%
100%
Bofors RP30
97%
82%
99%
Bofors RP5
92%
90%
100%
Hodgdon H1000
97%
77%
98%
Hodgdon H4350
87%
89%
100%
Hodgdon H4831
95%
90%
99%
Hodgdon H4831 SC
91%
90%
99%
Hodgdon Hybrid 100V
87%
90%
100%
Hodgdon Retumbo
97%
70%
99%
Hodgdon TrailBoss
96%
56%
100%
IMR 4350
86%
90%
100%
IMR 4831
89%
90%
100%
IMR 4955 Enduron
92%
90%
99%
IMR 7828 SSC
91%
89%
99%
IMR 7977 Enduron
97%
90%
93%
IMR 8133 Enduron
97%
64%
96%
Lovex S065
83%
90%
100%
Lovex S070
84%
90%
100%
Lovex S071
97%
89%
100%
Norma 204
85%
90%
100%
Norma 217
97%
64%
98%
Norma MRP
90%
90%
100%
Norma URP
84%
89%
100%
Ramshot Grand
89%
90%
99%
Ramshot Hunter
85%
89%
100%
Ramshot Magnum
92%
90%
100%
ReloadSwiss RS 14
97%
57%
100%
ReloadSwiss RS 62
83%
89%
100%
ReloadSwiss RS 70
84%
90%
100%
ReloadSwiss RS 76
97%
88%
100%
ReloadSwiss RS 80
97%
80%
97%
Rottweil R 904
88%
89%
99%
Rottweil R 905
89%
90%
100%
SNPE Vectan Tubal 7000
84%
90%
100%
Shooters World Long Rifle
83%
90%
100%
Somchem S361
88%
90%
99%
Somchem S365
86%
89%
100%
Somchem S385
89%
90%
100%
Vihtavuori N150
85%
90%
100%
Vihtavuori N165
94%
90%
100%
Vihtavuori N170
97%
73%
91%
Vihtavuori N555
90%
90%
100%
Vihtavuori N560
92%
90%
99%
Vihtavuori N565
96%
89%
99%
Vihtavuori N568
97%
82%
97%
Vihtavuori N570
97%
78%
94%
Winchester 6.5 StaBALL
84%
89%
100%
Winchester StaBALL HD
94%
89%
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
43540
68%
**82
97%
[ADI AR 2213]*
<<locked>>
81%
39001
61%
**10
94%
[ADI AR 2217]*
<<locked>>
83%
31024
49%
**90
90%
[ADI AR 2225]*
<<locked>>
81%
26368
41%
**72
90%
Accurate 3100
<<locked>>
81%
39479
62%
**54
99%
Accurate 4350
<<locked>>
81%
52504
82%
**13
100%
[Accurate MAGPRO]*
<<locked>>
81%
38421
60%
**00
92%
Alliant Reloder-16
<<locked>>
81%
50053
78%
**20
100%
Alliant Reloder-19
<<locked>>
81%
43613
68%
**79
97%
Alliant Reloder-22
<<locked>>
81%
39363
62%
**23
96%
Alliant Reloder-23
<<locked>>
81%
38101
60%
**77
100%
Alliant Reloder-25
<<locked>>
81%
32851
51%
**85
97%
Alliant Reloder-26
<<locked>>
81%
42380
66%
**31
100%
[Alliant Reloder-33]*
<<locked>>
92%
39262
62%
**56
90%
[Baschieri & Pellagri 109]*
<<locked>>
81%
38653
61%
**28
90%
Bofors RP15
<<locked>>
81%
36709
58%
**57
95%
[Bofors RP30]*
<<locked>>
81%
30269
47%
**03
91%
Bofors RP5
<<locked>>
81%
39363
62%
**23
96%
[Hodgdon H1000]*
<<locked>>
83%
31024
49%
**90
90%
Hodgdon H4350
<<locked>>
81%
47094
74%
**99
99%
[Hodgdon H4831]*
<<locked>>
81%
36608
57%
**98
93%
Hodgdon H4831 SC
<<locked>>
81%
41002
64%
**03
95%
Hodgdon Hybrid 100V
<<locked>>
81%
47369
74%
**92
100%
[Hodgdon Retumbo]*
<<locked>>
81%
26368
41%
**72
90%
Hodgdon TrailBoss
<<locked>>
81%
28558
45%
**26
100%
IMR 4350
<<locked>>
81%
49487
78%
**48
99%
IMR 4831
<<locked>>
81%
45150
71%
**72
100%
IMR 4955 Enduron
<<locked>>
81%
40683
64%
**71
95%
IMR 7828 SSC
<<locked>>
81%
39972
63%
**46
95%
[IMR 7977 Enduron]*
<<locked>>
91%
48196
76%
**72
90%
[IMR 8133 Enduron]*
<<locked>>
88%
30110
47%
**13
90%
Lovex S065
<<locked>>
81%
53142
83%
**84
100%
Lovex S070
<<locked>>
81%
51547
81%
**74
100%
Lovex S071
<<locked>>
81%
33750
53%
**16
97%
Norma 204
<<locked>>
81%
50140
79%
**90
99%
[Norma 217]*
<<locked>>
84%
26281
41%
**05
90%
Norma MRP
<<locked>>
81%
41466
65%
**85
98%
Norma URP
<<locked>>
81%
51097
80%
**97
100%
Ramshot Grand
<<locked>>
81%
41930
66%
**95
96%
Ramshot Hunter
<<locked>>
81%
50038
78%
**97
100%
Ramshot Magnum
<<locked>>
81%
36709
58%
**54
96%
ReloadSwiss RS 14
<<locked>>
81%
29095
46%
**62
100%
ReloadSwiss RS 62
<<locked>>
81%
52518
82%
**36
100%
ReloadSwiss RS 70
<<locked>>
81%
50807
80%
**56
100%
[ReloadSwiss RS 76]*
<<locked>>
81%
31154
49%
**72
94%
[ReloadSwiss RS 80]*
<<locked>>
86%
33446
52%
**12
90%
Rottweil R 904
<<locked>>
81%
44817
70%
**62
97%
Rottweil R 905
<<locked>>
81%
43105
68%
**62
97%
SNPE Vectan Tubal 7000
<<locked>>
81%
52025
82%
**31
100%
Shooters World Long Rifle
<<locked>>
81%
53142
83%
**84
100%
Somchem S361
<<locked>>
81%
45629
71%
**49
96%
Somchem S365
<<locked>>
81%
48414
76%
**48
100%
Somchem S385
<<locked>>
81%
43729
69%
**46
98%
Vihtavuori N150
<<locked>>
81%
50720
79%
**95
100%
Vihtavuori N165
<<locked>>
81%
36883
58%
**85
96%
[Vihtavuori N170]*
<<locked>>
94%
42554
67%
**17
90%
Vihtavuori N555
<<locked>>
81%
42438
66%
**56
100%
[Vihtavuori N560]*
<<locked>>
81%
39363
62%
**26
94%
[Vihtavuori N565]*
<<locked>>
81%
34026
53%
**85
92%
[Vihtavuori N568]*
<<locked>>
85%
34490
54%
**28
90%
[Vihtavuori N570]*
<<locked>>
91%
40248
63%
**89
90%
Winchester 6.5 StaBALL
<<locked>>
81%
51953
81%
**41
100%
Winchester StaBALL HD
<<locked>>
81%
34766
54%
**07
100%

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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