top of page

Load data for .30-378 Weath. Mag. + .308 | 150gr | Barnes X BT

Recommended Powder(s): ADI AR 2225, Hodgdon Retumbo, ReloadSwiss RS 76, Vihtavuori N560, Vihtavuori N565

.30-378 Weath. Mag. + .308 | 150gr | Barnes X BT

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 150gr | Barnes X BT
Manufacturer SKU:
30817
Bullet Weight:
150gr | 9.7g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.205" | 30.6mm
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:
0.518" | 13.2mm
Shank Seated Depth:
0.393" | 10.0mm
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_B610_C333
Last updated:
2025-01-01
Recommended Twist Rate:
1:13 - 1:11

Load data for 86 loads in caliber .30-378 Weath. Mag. with .308 | 150gr | Barnes X BT bullet and 43 powders such as ADI AR 2225, Hodgdon Retumbo, ReloadSwiss RS 76, Vihtavuori N560, Vihtavuori N565. 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 2209
84%
90%
99%
ADI AR 2213
87%
90%
99%
ADI AR 2217
96%
90%
99%
ADI AR 2218
97%
82%
95%
ADI AR 2225
97%
86%
100%
Accurate 3100
86%
89%
100%
Accurate MAGPRO
87%
89%
97%
Alliant Reloder-19
85%
90%
100%
Alliant Reloder-22
87%
89%
100%
Alliant Reloder-23
88%
90%
100%
Alliant Reloder-25
92%
90%
100%
Alliant Reloder-33
96%
90%
96%
Alliant Reloder-50
97%
81%
94%
Hodgdon H1000
96%
90%
99%
Hodgdon H4831
90%
90%
98%
Hodgdon H4831 SC
86%
89%
98%
Hodgdon Retumbo
97%
86%
100%
Hodgdon TrailBoss
97%
57%
100%
IMR 4831
83%
89%
100%
IMR 4955 Enduron
87%
90%
99%
IMR 7828 SSC
86%
90%
99%
IMR 7977 Enduron
92%
89%
93%
IMR 8133 Enduron
97%
80%
98%
Lovex S071
91%
89%
100%
Norma 217
97%
81%
100%
Norma MRP
84%
89%
100%
Ramshot Magnum
87%
89%
100%
ReloadSwiss RS 14
97%
59%
100%
ReloadSwiss RS 76
92%
90%
100%
ReloadSwiss RS 80
93%
89%
98%
Rottweil R 904
84%
89%
99%
Rottweil R 905
85%
90%
100%
SNPE Vectan SP 13
97%
70%
91%
Somchem S361
83%
89%
98%
Somchem S385
84%
90%
100%
Vihtavuori N165
89%
89%
100%
Vihtavuori N170
97%
88%
94%
Vihtavuori N555
84%
89%
100%
Vihtavuori N560
87%
90%
99%
Vihtavuori N565
90%
90%
99%
Vihtavuori N568
93%
90%
98%
Vihtavuori N570
94%
89%
96%
Winchester StaBALL HD
88%
90%
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
81%
80%
99%
ADI AR 2213
81%
73%
97%
ADI AR 2217
81%
56%
93%
ADI AR 2218
90%
66%
90%
ADI AR 2225
81%
52%
95%
Accurate 3100
81%
76%
100%
Accurate MAGPRO
81%
74%
95%
Alliant Reloder-19
81%
80%
99%
Alliant Reloder-22
81%
75%
98%
Alliant Reloder-23
81%
73%
100%
Alliant Reloder-25
81%
63%
99%
Alliant Reloder-33
86%
62%
90%
Alliant Reloder-50
90%
65%
90%
Hodgdon H1000
81%
56%
93%
Hodgdon H4831
81%
69%
95%
Hodgdon H4831 SC
81%
76%
97%
Hodgdon Retumbo
81%
52%
95%
Hodgdon TrailBoss
81%
46%
100%
IMR 4831
81%
83%
100%
IMR 4955 Enduron
81%
74%
97%
IMR 7828 SSC
81%
76%
97%
IMR 7977 Enduron
87%
76%
90%
IMR 8133 Enduron
81%
49%
90%
Lovex S071
81%
67%
99%
Norma 217
81%
49%
93%
Norma MRP
81%
80%
100%
Ramshot Magnum
81%
72%
99%
ReloadSwiss RS 14
81%
47%
100%
ReloadSwiss RS 76
81%
62%
98%
ReloadSwiss RS 80
81%
57%
91%
Rottweil R 904
81%
82%
98%
Rottweil R 905
81%
80%
99%
SNPE Vectan SP 13
95%
66%
90%
Somchem S361
81%
84%
98%
Somchem S385
81%
81%
99%
Vihtavuori N165
81%
69%
98%
Vihtavuori N170
88%
68%
90%
Vihtavuori N555
81%
81%
100%
Vihtavuori N560
81%
75%
97%
Vihtavuori N565
81%
67%
95%
Vihtavuori N568
81%
59%
91%
Vihtavuori N570
85%
65%
90%
Winchester StaBALL HD
81%
71%
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