top of page

Load data for .30-378 Weath. Mag. + .308 | 165gr | Barnes X BT

Recommended Powder(s): ADI AR 2217, ADI AR 2225, Hodgdon H1000, Hodgdon Retumbo, Norma 217

.30-378 Weath. Mag. + .308 | 165gr | Barnes X BT

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 165gr | Barnes X BT
Manufacturer SKU:
30827
Bullet Weight:
165gr | 10.7g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.300" | 33.0mm
Caliber:
.30-378 Weath. Mag. load data
Case Length (l3):
2.913" | 74.0mm
Cartridge Length (C.O.L.):
3.600" | 91.4mm
Seated Depth:
0.613" | 15.6mm
Shank Seated Depth:
0.488" | 12.4mm
Case Capacity:
133.0 Grains of Water | 8.64 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
63817 psi | 4400 bar
LID:
LID_B616_C333
Last updated:
2025-01-01
Recommended Twist Rate:
1:12 - 1:10

Load data for 74 loads in caliber .30-378 Weath. Mag. with .308 | 165gr | Barnes X BT bullet and 37 powders such as ADI AR 2217, ADI AR 2225, Hodgdon H1000, Hodgdon Retumbo, Norma 217. 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 2213
<<locked>>
86%
57072
89%
**89
99%
ADI AR 2217 👍
<<locked>>
94%
57290
90%
**82
100%
ADI AR 2218
<<locked>>
97%
55956
88%
**51
97%
ADI AR 2225 👍
<<locked>>
96%
57188
90%
**15
100%
Accurate 3100
<<locked>>
85%
57174
90%
**81
100%
[Accurate 8700]*
<<locked>>
97%
45179
71%
**40
93%
Accurate MAGPRO
<<locked>>
85%
57101
89%
**86
98%
Alliant Reloder-19
<<locked>>
83%
57406
90%
**53
100%
Alliant Reloder-22
<<locked>>
85%
57014
89%
**73
100%
Alliant Reloder-23
<<locked>>
86%
57334
90%
**20
100%
Alliant Reloder-25
<<locked>>
90%
57392
90%
**89
100%
Alliant Reloder-33
<<locked>>
94%
57072
89%
**22
97%
Alliant Reloder-50
<<locked>>
97%
54592
86%
**69
96%
Hodgdon H1000 👍
<<locked>>
94%
57290
90%
**82
100%
Hodgdon H4831
<<locked>>
88%
57363
90%
**33
99%
Hodgdon H4831 SC
<<locked>>
85%
57319
90%
**40
99%
Hodgdon Retumbo 👍
<<locked>>
96%
57188
90%
**15
100%
Hodgdon TrailBoss
<<locked>>
96%
36361
57%
**14
100%
IMR 4955 Enduron
<<locked>>
86%
57392
90%
**07
99%
IMR 7828 SSC
<<locked>>
84%
57421
90%
**99
99%
[IMR 7977 Enduron]*
<<locked>>
91%
56913
89%
**61
94%
IMR 8133 Enduron
<<locked>>
97%
54549
85%
**59
99%
[Lovex D100]*
<<locked>>
94%
57319
90%
**91
93%
Lovex S071
<<locked>>
89%
57174
90%
**81
100%
Norma 217 👍
<<locked>>
97%
55811
87%
**96
100%
Ramshot Magnum
<<locked>>
85%
57072
89%
**43
100%
ReloadSwiss RS 14
<<locked>>
97%
37666
59%
**67
100%
ReloadSwiss RS 76
<<locked>>
90%
57261
90%
**55
100%
ReloadSwiss RS 80
<<locked>>
92%
57334
90%
**25
99%
[SNPE Vectan SP 13]*
<<locked>>
97%
47761
75%
**59
94%
Vihtavuori N165
<<locked>>
88%
57145
90%
**84
100%
Vihtavuori N170
<<locked>>
96%
57246
90%
**14
96%
Vihtavuori N560
<<locked>>
85%
56898
89%
**89
99%
Vihtavuori N565
<<locked>>
88%
57130
90%
**69
99%
Vihtavuori N568
<<locked>>
92%
56811
89%
**05
98%
Vihtavuori N570
<<locked>>
93%
56927
89%
**45
97%
Winchester StaBALL HD
<<locked>>
85%
56826
89%
**96
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2213
<<locked>>
81%
49124
77%
**35
98%
ADI AR 2217
<<locked>>
81%
37521
59%
**66
95%
[ADI AR 2218]*
<<locked>>
86%
39073
61%
**61
90%
ADI AR 2225
<<locked>>
81%
35157
55%
**56
98%
Accurate 3100
<<locked>>
81%
51082
80%
**79
100%
[Accurate 8700]*
<<locked>>
92%
39044
61%
**85
90%
Accurate MAGPRO
<<locked>>
81%
49879
78%
**48
97%
Alliant Reloder-19
<<locked>>
81%
53737
84%
**91
100%
Alliant Reloder-22
<<locked>>
81%
50256
79%
**51
99%
Alliant Reloder-23
<<locked>>
81%
49197
77%
**82
100%
Alliant Reloder-25
<<locked>>
81%
43134
68%
**30
100%
[Alliant Reloder-33]*
<<locked>>
82%
37101
58%
**92
90%
[Alliant Reloder-50]*
<<locked>>
87%
38638
61%
**28
90%
Hodgdon H1000
<<locked>>
81%
37521
59%
**66
95%
Hodgdon H4831
<<locked>>
81%
45803
72%
**10
97%
Hodgdon H4831 SC
<<locked>>
81%
50778
80%
**18
98%
Hodgdon Retumbo
<<locked>>
81%
35157
55%
**56
98%
Hodgdon TrailBoss
<<locked>>
81%
29211
46%
**47
100%
IMR 4955 Enduron
<<locked>>
81%
49269
77%
**63
98%
IMR 7828 SSC
<<locked>>
81%
51010
80%
**77
99%
[IMR 7977 Enduron]*
<<locked>>
83%
45411
71%
**35
90%
[IMR 8133 Enduron]*
<<locked>>
81%
32982
52%
**74
93%
[Lovex D100]*
<<locked>>
90%
49327
77%
**46
90%
Lovex S071
<<locked>>
81%
44773
70%
**58
100%
Norma 217
<<locked>>
81%
33301
52%
**07
96%
Ramshot Magnum
<<locked>>
81%
48791
76%
**99
100%
ReloadSwiss RS 14
<<locked>>
81%
30081
47%
**93
100%
ReloadSwiss RS 76
<<locked>>
81%
41989
66%
**63
99%
[ReloadSwiss RS 80]*
<<locked>>
81%
39233
61%
**41
94%
[SNPE Vectan SP 13]*
<<locked>>
91%
39378
62%
**76
90%
Vihtavuori N165
<<locked>>
81%
46630
73%
**00
99%
[Vihtavuori N170]*
<<locked>>
84%
40683
64%
**76
90%
Vihtavuori N560
<<locked>>
81%
50401
79%
**74
98%
Vihtavuori N565
<<locked>>
81%
45237
71%
**33
97%
[Vihtavuori N568]*
<<locked>>
81%
40147
63%
**61
94%
[Vihtavuori N570]*
<<locked>>
81%
38348
60%
**41
90%
Winchester StaBALL HD
<<locked>>
81%
48559
76%
**64
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

bottom of page