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Load data for .338-378 Weath. Mag. + .338 | 225gr | Barnes TAC-TX BT

Recommended Powder(s): ADI AR 2213, Alliant Reloder-22, IMR 7828 SSC, ReloadSwiss RS 76, Vihtavuori N560

.338-378 Weath. Mag. + .338 | 225gr | Barnes TAC-TX BT

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.338 | 225gr | Barnes TAC-TX BT
Manufacturer SKU:
30420
Bullet Weight:
225gr | 14.6g
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_B677_C472
Last updated:
2026-04-03
Recommended Twist Rate:
1:12 - 1:10

Load data for 128 loads in caliber .338-378 Weath. Mag. with .338 | 225gr | Barnes TAC-TX BT bullet and 64 powders such as ADI AR 2213, Alliant Reloder-22, IMR 7828 SSC, ReloadSwiss RS 76, Vihtavuori N560. 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
<<locked>>
89%
56913
89%
**43
100%
ADI AR 2213 👍
<<locked>>
92%
57246
90%
**76
99%
ADI AR 2217
<<locked>>
97%
48936
77%
**31
98%
ADI AR 2225
<<locked>>
97%
43830
69%
**89
100%
Accurate 3100
<<locked>>
92%
57246
90%
**84
100%
Accurate 4350
<<locked>>
84%
56913
89%
**87
100%
Accurate MAGPRO
<<locked>>
92%
57087
89%
**82
98%
Alliant Reloder-16
<<locked>>
85%
56855
89%
**23
100%
Alliant Reloder-19
<<locked>>
90%
57392
90%
**43
100%
Alliant Reloder-22 👍
<<locked>>
92%
57159
90%
**69
100%
Alliant Reloder-23
<<locked>>
94%
57130
90%
**20
100%
Alliant Reloder-25
<<locked>>
97%
55448
87%
**59
100%
Alliant Reloder-26
<<locked>>
89%
57377
90%
**92
100%
[Alliant Reloder-33]*
<<locked>>
97%
45672
72%
**31
94%
Baschieri & Pellagri 109
<<locked>>
94%
57058
89%
**27
97%
Bofors RP15
<<locked>>
95%
56971
89%
**69
100%
Bofors RP30
<<locked>>
97%
51851
81%
**13
99%
Bofors RP5
<<locked>>
92%
57159
90%
**69
100%
Hodgdon H1000
<<locked>>
97%
48936
77%
**31
98%
Hodgdon H4350
<<locked>>
88%
57363
90%
**87
100%
Hodgdon H4831
<<locked>>
95%
57348
90%
**23
99%
Hodgdon H4831 SC
<<locked>>
91%
57348
90%
**23
99%
Hodgdon Hybrid 100V
<<locked>>
87%
57000
89%
**54
100%
Hodgdon Retumbo
<<locked>>
97%
43830
69%
**89
100%
Hodgdon TrailBoss
<<locked>>
97%
35737
56%
**08
100%
IMR 4350
<<locked>>
86%
57145
90%
**77
100%
IMR 4831
<<locked>>
89%
56971
89%
**74
100%
IMR 4955 Enduron
<<locked>>
92%
57130
90%
**87
99%
IMR 7828 SSC 👍
<<locked>>
91%
57421
90%
**86
99%
[IMR 7977 Enduron]*
<<locked>>
97%
57000
89%
**44
93%
IMR 8133 Enduron
<<locked>>
97%
39711
62%
**94
96%
Lovex S065
<<locked>>
84%
57348
90%
**58
100%
Lovex S070
<<locked>>
85%
57319
90%
**84
100%
Lovex S071
<<locked>>
97%
55492
87%
**48
100%
Norma 204
<<locked>>
85%
57101
89%
**17
100%
Norma 217
<<locked>>
97%
39885
62%
**23
98%
Norma MRP
<<locked>>
90%
57392
90%
**95
100%
Norma URP
<<locked>>
85%
57101
89%
**94
100%
Ramshot Grand
<<locked>>
89%
57290
90%
**99
100%
Ramshot Hunter
<<locked>>
85%
57348
90%
**23
100%
Ramshot Magnum
<<locked>>
93%
57145
90%
**43
100%
ReloadSwiss RS 14
<<locked>>
97%
36448
57%
**47
100%
ReloadSwiss RS 62
<<locked>>
84%
57072
89%
**13
100%
ReloadSwiss RS 70
<<locked>>
84%
57188
90%
**59
100%
ReloadSwiss RS 76 👍
<<locked>>
97%
55274
87%
**28
100%
ReloadSwiss RS 80
<<locked>>
97%
50560
79%
**17
98%
Rottweil R 904
<<locked>>
89%
57058
89%
**94
99%
Rottweil R 905
<<locked>>
90%
57130
90%
**40
100%
SNPE Vectan Tubal 7000
<<locked>>
84%
56913
89%
**15
100%
Shooters World Long Rifle
<<locked>>
84%
57348
90%
**58
100%
Somchem S361
<<locked>>
88%
57377
90%
**67
99%
Somchem S365
<<locked>>
86%
57348
90%
**90
100%
Somchem S385
<<locked>>
90%
57000
89%
**90
100%
Vihtavuori N150
<<locked>>
85%
56985
89%
**92
100%
Vihtavuori N165
<<locked>>
95%
57421
90%
**90
100%
[Vihtavuori N170]*
<<locked>>
97%
45513
71%
**03
92%
Vihtavuori N555
<<locked>>
90%
57217
90%
**13
100%
Vihtavuori N560 👍
<<locked>>
92%
57029
89%
**92
99%
Vihtavuori N565
<<locked>>
96%
57072
89%
**66
99%
Vihtavuori N568
<<locked>>
97%
51634
81%
**30
97%
Vihtavuori N570
<<locked>>
97%
48994
77%
**10
95%
Winchester 6.5 StaBALL
<<locked>>
84%
57377
90%
**31
100%
Winchester StaBALL HD
<<locked>>
94%
56942
89%
**15
100%
Winchester Supreme 780
<<locked>>
89%
57377
90%
**04
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
43149
68%
**94
98%
ADI AR 2213
<<locked>>
81%
38319
60%
**25
95%
[ADI AR 2217]*
<<locked>>
82%
29486
46%
**72
90%
[ADI AR 2225]*
<<locked>>
81%
25599
40%
**93
91%
Accurate 3100
<<locked>>
81%
38450
60%
**52
99%
Accurate 4350
<<locked>>
81%
51648
81%
**15
100%
[Accurate MAGPRO]*
<<locked>>
81%
37753
59%
**08
92%
Alliant Reloder-16
<<locked>>
81%
49617
78%
**18
100%
Alliant Reloder-19
<<locked>>
81%
43033
67%
**90
98%
Alliant Reloder-22
<<locked>>
81%
38609
61%
**21
97%
Alliant Reloder-23
<<locked>>
81%
37260
58%
**85
100%
Alliant Reloder-25
<<locked>>
81%
32242
51%
**03
98%
Alliant Reloder-26
<<locked>>
81%
41640
65%
**33
100%
[Alliant Reloder-33]*
<<locked>>
92%
37652
59%
**48
90%
[Baschieri & Pellagri 109]*
<<locked>>
81%
38000
60%
**36
91%
Bofors RP15
<<locked>>
81%
35969
56%
**59
95%
[Bofors RP30]*
<<locked>>
81%
29385
46%
**11
91%
Bofors RP5
<<locked>>
81%
38609
61%
**21
97%
[Hodgdon H1000]*
<<locked>>
82%
29486
46%
**72
90%
Hodgdon H4350
<<locked>>
81%
46572
73%
**07
99%
[Hodgdon H4831]*
<<locked>>
81%
36114
57%
**13
93%
Hodgdon H4831 SC
<<locked>>
81%
40205
63%
**18
95%
Hodgdon Hybrid 100V
<<locked>>
81%
46543
73%
**90
100%
[Hodgdon Retumbo]*
<<locked>>
81%
25599
40%
**93
91%
Hodgdon TrailBoss
<<locked>>
81%
28355
44%
**54
100%
IMR 4350
<<locked>>
81%
49066
77%
**46
99%
IMR 4831
<<locked>>
81%
44266
69%
**67
100%
IMR 4955 Enduron
<<locked>>
81%
40089
63%
**79
95%
IMR 7828 SSC
<<locked>>
81%
39479
62%
**61
96%
[IMR 7977 Enduron]*
<<locked>>
91%
46441
73%
**57
90%
[IMR 8133 Enduron]*
<<locked>>
88%
28979
45%
**05
90%
Lovex S065
<<locked>>
81%
52431
82%
**85
100%
Lovex S070
<<locked>>
81%
50923
80%
**82
100%
Lovex S071
<<locked>>
81%
32938
52%
**31
97%
Norma 204
<<locked>>
81%
49603
78%
**99
99%
[Norma 217]*
<<locked>>
84%
25483
40%
**16
90%
Norma MRP
<<locked>>
81%
40770
64%
**03
99%
Norma URP
<<locked>>
81%
50502
79%
**02
100%
Ramshot Grand
<<locked>>
81%
41307
65%
**03
97%
Ramshot Hunter
<<locked>>
81%
49414
77%
**05
100%
Ramshot Magnum
<<locked>>
81%
36085
57%
**66
97%
ReloadSwiss RS 14
<<locked>>
81%
29080
46%
**93
100%
ReloadSwiss RS 62
<<locked>>
81%
51851
81%
**31
100%
ReloadSwiss RS 70
<<locked>>
81%
50401
79%
**58
100%
ReloadSwiss RS 76
<<locked>>
81%
30458
48%
**77
95%
[ReloadSwiss RS 80]*
<<locked>>
85%
31850
50%
**00
90%
Rottweil R 904
<<locked>>
81%
44338
69%
**74
97%
Rottweil R 905
<<locked>>
81%
42467
67%
**80
98%
SNPE Vectan Tubal 7000
<<locked>>
81%
51271
80%
**36
100%
Shooters World Long Rifle
<<locked>>
81%
52431
82%
**85
100%
Somchem S361
<<locked>>
81%
45092
71%
**64
97%
Somchem S365
<<locked>>
81%
47761
75%
**49
100%
Somchem S385
<<locked>>
81%
42772
67%
**54
99%
Vihtavuori N150
<<locked>>
81%
50024
78%
**97
100%
Vihtavuori N165
<<locked>>
81%
36100
57%
**00
96%
[Vihtavuori N170]*
<<locked>>
93%
40727
64%
**08
90%
Vihtavuori N555
<<locked>>
81%
41727
65%
**61
100%
Vihtavuori N560
<<locked>>
81%
38943
61%
**44
95%
[Vihtavuori N565]*
<<locked>>
81%
33301
52%
**93
92%
[Vihtavuori N568]*
<<locked>>
85%
33228
52%
**30
90%
[Vihtavuori N570]*
<<locked>>
90%
38348
60%
**77
90%
Winchester 6.5 StaBALL
<<locked>>
81%
51474
81%
**49
100%
Winchester StaBALL HD
<<locked>>
81%
34098
53%
**15
100%
Winchester Supreme 780
<<locked>>
81%
42960
67%
**51
98%

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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