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

Recommended Powder(s): Alliant Reloder-22, Alliant Reloder-25, Bofors RP5, Norma MRP, Ramshot Grand

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

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.338 | 210gr | Barnes TTSX BT
Manufacturer SKU:
30428
Bullet Weight:
210gr | 13.6g
Bullet Diameter:
0.338" | 8.59mm
Bullet Length:
<<locked>>
Caliber:
.338-378 Weath. Mag. load data
Case Length (l3):
2.910" | 73.9mm
Cartridge Length (C.O.L.):
<<locked>>
Seated Depth:
<<locked>>
Shank Seated Depth:
<<locked>>
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_B671_C472
Last updated:
2026-02-09
Recommended Twist Rate:
1:13 - 1:11

Load data for 130 loads in caliber .338-378 Weath. Mag. with .338 | 210gr | Barnes TTSX BT bullet and 65 powders such as Alliant Reloder-22, Alliant Reloder-25, Bofors RP5, Norma MRP, Ramshot Grand. 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
90%
90%
100%
ADI AR 2213
93%
89%
99%
ADI AR 2217
97%
75%
98%
ADI AR 2225
97%
68%
99%
Accurate 3100
93%
89%
100%
Accurate 4350
84%
89%
100%
Accurate MAGPRO
93%
90%
98%
Alliant Reloder-16
86%
90%
100%
Alliant Reloder-19
90%
89%
100%
Alliant Reloder-22
93%
90%
100%
Alliant Reloder-23
94%
90%
100%
Alliant Reloder-25
97%
86%
100%
Alliant Reloder-26
89%
89%
100%
Alliant Reloder-33
97%
70%
93%
Baschieri & Pellagri 109
94%
90%
97%
Bofors RP15
95%
90%
100%
Bofors RP30
97%
80%
99%
Bofors RP5
93%
90%
100%
Bofors RP7
83%
90%
100%
Hodgdon H1000
97%
75%
98%
Hodgdon H4350
88%
90%
100%
Hodgdon H4831
95%
89%
98%
Hodgdon H4831 SC
92%
90%
98%
Hodgdon Hybrid 100V
88%
90%
100%
Hodgdon LVR
83%
90%
100%
Hodgdon Retumbo
97%
68%
99%
Hodgdon TrailBoss
96%
56%
100%
IMR 4350
86%
89%
100%
IMR 4831
89%
89%
100%
IMR 4955 Enduron
93%
90%
99%
IMR 7828 SSC
92%
90%
99%
IMR 7977 Enduron
97%
88%
92%
IMR 8133 Enduron
97%
61%
95%
Lovex S065
84%
89%
100%
Lovex S070
85%
89%
100%
Lovex S071
97%
86%
100%
Norma 204
86%
90%
99%
Norma 217
97%
62%
98%
Norma MRP
91%
90%
100%
Norma URP
85%
90%
100%
Ramshot Grand
90%
90%
99%
Ramshot Hunter
86%
90%
100%
Ramshot Magnum
93%
90%
100%
ReloadSwiss RS 14
97%
57%
100%
ReloadSwiss RS 62
84%
90%
100%
ReloadSwiss RS 70
85%
89%
100%
ReloadSwiss RS 76
97%
85%
100%
ReloadSwiss RS 80
97%
77%
97%
Rottweil R 904
89%
89%
99%
Rottweil R 905
90%
90%
100%
Rottweil R 907
83%
90%
100%
SNPE Vectan Tubal 7000
85%
90%
100%
Shooters World Long Rifle
84%
89%
100%
Somchem S361
88%
89%
98%
Somchem S365
87%
89%
100%
Somchem S385
90%
90%
100%
Vihtavuori N150
86%
90%
100%
Vihtavuori N165
95%
90%
100%
Vihtavuori N555
91%
90%
100%
Vihtavuori N560
92%
89%
99%
Vihtavuori N565
97%
90%
99%
Vihtavuori N568
97%
79%
97%
Vihtavuori N570
97%
76%
94%
Winchester 6.5 StaBALL
84%
89%
100%
Winchester StaBALL HD
95%
90%
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
42656
67%
**62
97%
[ADI AR 2213]*
<<locked>>
81%
38087
60%
**80
94%
[ADI AR 2217]*
<<locked>>
84%
31111
49%
**80
90%
[ADI AR 2225]*
<<locked>>
82%
26237
41%
**72
90%
Accurate 3100
<<locked>>
81%
38537
60%
**35
98%
Accurate 4350
<<locked>>
81%
51358
80%
**87
100%
[Accurate MAGPRO]*
<<locked>>
81%
37449
59%
**74
91%
Alliant Reloder-16
<<locked>>
81%
48849
77%
**87
100%
Alliant Reloder-19
<<locked>>
81%
42670
67%
**59
97%
Alliant Reloder-22
<<locked>>
81%
38450
60%
**97
96%
Alliant Reloder-23
<<locked>>
81%
37043
58%
**54
100%
Alliant Reloder-25
<<locked>>
81%
32126
50%
**66
97%
Alliant Reloder-26
<<locked>>
81%
41220
65%
**12
100%
[Alliant Reloder-33]*
<<locked>>
93%
39276
62%
**59
90%
[Baschieri & Pellagri 109]*
<<locked>>
81%
38232
60%
**15
90%
[Bofors RP15]*
<<locked>>
81%
35607
56%
**21
94%
[Bofors RP30]*
<<locked>>
81%
29791
47%
**84
90%
Bofors RP5
<<locked>>
81%
38450
60%
**97
96%
Bofors RP7
<<locked>>
81%
53272
83%
**90
100%
[Hodgdon H1000]*
<<locked>>
84%
31111
49%
**80
90%
Hodgdon H4350
<<locked>>
81%
46224
72%
**79
99%
[Hodgdon H4831]*
<<locked>>
81%
35795
56%
**75
92%
[Hodgdon H4831 SC]*
<<locked>>
81%
39943
63%
**74
94%
Hodgdon Hybrid 100V
<<locked>>
81%
46340
73%
**76
100%
Hodgdon LVR
<<locked>>
81%
53577
84%
**30
100%
[Hodgdon Retumbo]*
<<locked>>
82%
26237
41%
**72
90%
Hodgdon TrailBoss
<<locked>>
81%
28355
44%
**09
100%
IMR 4350
<<locked>>
81%
48646
76%
**22
99%
IMR 4831
<<locked>>
81%
44135
69%
**53
100%
[IMR 4955 Enduron]*
<<locked>>
81%
39900
63%
**51
94%
[IMR 7828 SSC]*
<<locked>>
81%
39117
61%
**13
94%
[IMR 7977 Enduron]*
<<locked>>
93%
49516
78%
**82
90%
[IMR 8133 Enduron]*
<<locked>>
89%
30661
48%
**26
90%
Lovex S065
<<locked>>
81%
52214
82%
**67
100%
Lovex S070
<<locked>>
81%
50560
79%
**51
100%
Lovex S071
<<locked>>
81%
33127
52%
**03
97%
Norma 204
<<locked>>
81%
49023
77%
**64
98%
[Norma 217]*
<<locked>>
85%
26585
42%
**15
90%
Norma MRP
<<locked>>
81%
40335
63%
**59
98%
Norma URP
<<locked>>
81%
49893
78%
**71
100%
Ramshot Grand
<<locked>>
81%
40930
64%
**72
96%
Ramshot Hunter
<<locked>>
81%
49008
77%
**77
100%
Ramshot Magnum
<<locked>>
81%
35665
56%
**25
96%
ReloadSwiss RS 14
<<locked>>
81%
29095
46%
**55
100%
ReloadSwiss RS 62
<<locked>>
81%
51314
80%
**17
100%
ReloadSwiss RS 70
<<locked>>
81%
49603
78%
**27
100%
[ReloadSwiss RS 76]*
<<locked>>
81%
30429
48%
**46
94%
[ReloadSwiss RS 80]*
<<locked>>
87%
33591
53%
**18
90%
Rottweil R 904
<<locked>>
81%
43685
68%
**43
96%
Rottweil R 905
<<locked>>
81%
42018
66%
**43
97%
Rottweil R 907
<<locked>>
81%
53272
83%
**90
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
51082
80%
**15
100%
Shooters World Long Rifle
<<locked>>
81%
52214
82%
**67
100%
Somchem S361
<<locked>>
81%
44744
70%
**30
96%
Somchem S365
<<locked>>
81%
47239
74%
**31
100%
Somchem S385
<<locked>>
81%
42612
67%
**30
98%
Vihtavuori N150
<<locked>>
81%
49690
78%
**76
100%
Vihtavuori N165
<<locked>>
81%
35824
56%
**66
96%
Vihtavuori N555
<<locked>>
81%
41437
65%
**36
100%
[Vihtavuori N560]*
<<locked>>
81%
38551
60%
**10
94%
[Vihtavuori N565]*
<<locked>>
81%
33214
52%
**52
91%
[Vihtavuori N568]*
<<locked>>
87%
34954
55%
**41
90%
[Vihtavuori N570]*
<<locked>>
92%
40567
64%
**95
90%
Winchester 6.5 StaBALL
<<locked>>
81%
50952
80%
**28
100%
Winchester StaBALL HD
<<locked>>
81%
33489
52%
**87
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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