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Load data for .30-378 Weath. Mag. + .308 | 220gr | Barnes Solid RN

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Recommended Powder(s): ADI AR 2218, Alliant Reloder-33, Alliant Reloder-50, IMR 8133 Enduron, Vihtavuori N570

.30-378 Weath. Mag. + .308 | 220gr | Barnes Solid RN

Load Specifications

Bullet:
.308 | 220gr | Barnes Solid RN
Manufacturer SKU:
30842
Bullet Weight:
220gr | 14.3g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.514" | 38.5mm
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:
0.827" | 21.0mm
Shank Seated Depth:
0.827" | 21.0mm
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_B643_C333
Last updated:
2025-01-01

>> Use the Personalized Load Calculator further below to adjust input parameters. 

Load data for 64 loads in caliber .30-378 Weath. Mag. with .308 | 220gr | Barnes Solid RN bullet and 32 powders such as ADI AR 2218, Alliant Reloder-33, Alliant Reloder-50, IMR 8133 Enduron, Vihtavuori N570. 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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    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.

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 2217
<<locked>>
91%
56956
89%
**25
100%
ADI AR 2218 👍
<<locked>>
95%
57261
90%
**59
100%
ADI AR 2225
<<locked>>
93%
57232
90%
**54
100%
Accurate 8700
<<locked>>
97%
49284
77%
**20
98%
Alliant Reloder-23
<<locked>>
84%
57232
90%
**40
100%
Alliant Reloder-25
<<locked>>
87%
57000
89%
**12
100%
Alliant Reloder-33 👍
<<locked>>
92%
56956
89%
**94
99%
Alliant Reloder-50 👍
<<locked>>
96%
57188
90%
**94
99%
Hodgdon H1000
<<locked>>
91%
56956
89%
**25
100%
Hodgdon H4831
<<locked>>
86%
56971
89%
**82
100%
Hodgdon Retumbo
<<locked>>
93%
57232
90%
**54
100%
Hodgdon US 869
<<locked>>
97%
53664
84%
**76
95%
Hodgdon TrailBoss
<<locked>>
97%
36666
57%
**62
100%
IMR 4955 Enduron
<<locked>>
84%
56956
89%
**56
100%
IMR 7977 Enduron
<<locked>>
89%
57334
90%
**59
97%
IMR 8133 Enduron 👍
<<locked>>
96%
57290
90%
**51
100%
Lovex D100
<<locked>>
92%
57087
89%
**82
96%
Lovex S071
<<locked>>
88%
57276
90%
**26
100%
Norma 217
<<locked>>
95%
57276
90%
**54
100%
Ramshot LRT
<<locked>>
95%
56840
89%
**87
96%
Ramshot Magnum
<<locked>>
83%
57174
90%
**95
100%
ReloadSwiss RS 14
<<locked>>
97%
37637
59%
**01
100%
ReloadSwiss RS 76
<<locked>>
87%
57406
90%
**87
100%
ReloadSwiss RS 80
<<locked>>
89%
57246
90%
**77
100%
SNPE Vectan SP 13
<<locked>>
97%
51271
80%
**33
98%
Vihtavuori 20N29
<<locked>>
97%
49545
78%
**13
96%
Vihtavuori 24N41
<<locked>>
95%
57377
90%
**54
96%
Vihtavuori N165
<<locked>>
86%
57174
90%
**46
100%
Vihtavuori N170
<<locked>>
94%
57406
90%
**99
98%
Vihtavuori N565
<<locked>>
86%
57319
90%
**25
100%
Vihtavuori N568
<<locked>>
89%
57246
90%
**77
100%
Vihtavuori N570 👍
<<locked>>
90%
57421
90%
**13
99%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2217
<<locked>>
81%
39900
63%
**26
99%
[ADI AR 2218]*
<<locked>>
81%
34069
53%
**57
92%
ADI AR 2225
<<locked>>
81%
37115
58%
**03
100%
[Accurate 8700]*
<<locked>>
85%
31328
49%
**29
90%
Alliant Reloder-23
<<locked>>
81%
52460
82%
**77
100%
Alliant Reloder-25
<<locked>>
81%
46485
73%
**44
100%
Alliant Reloder-33
<<locked>>
81%
37942
59%
**23
95%
[Alliant Reloder-50]*
<<locked>>
81%
33069
52%
**92
91%
Hodgdon H1000
<<locked>>
81%
39900
63%
**26
99%
Hodgdon H4831
<<locked>>
81%
48878
77%
**54
100%
Hodgdon Retumbo
<<locked>>
81%
37115
58%
**03
100%
[Hodgdon US 869]*
<<locked>>
89%
40756
64%
**36
90%
Hodgdon TrailBoss
<<locked>>
85%
31024
49%
**50
100%
IMR 4955 Enduron
<<locked>>
81%
52460
82%
**90
100%
[IMR 7977 Enduron]*
<<locked>>
81%
44614
70%
**30
94%
IMR 8133 Enduron
<<locked>>
81%
34447
54%
**18
97%
[Lovex D100]*
<<locked>>
81%
38769
61%
**48
90%
Lovex S071
<<locked>>
81%
45890
72%
**59
100%
Norma 217
<<locked>>
81%
35288
55%
**57
99%
[Ramshot LRT]*
<<locked>>
86%
41017
64%
**75
90%
Ramshot Magnum
<<locked>>
81%
52881
83%
**33
100%
ReloadSwiss RS 14
<<locked>>
81%
30008
47%
**44
100%
ReloadSwiss RS 76
<<locked>>
81%
45832
72%
**94
100%
ReloadSwiss RS 80
<<locked>>
81%
41742
65%
**02
98%
[SNPE Vectan SP 13]*
<<locked>>
83%
31560
49%
**13
90%
[Vihtavuori 20N29]*
<<locked>>
88%
35853
56%
**34
90%
[Vihtavuori 24N41]*
<<locked>>
86%
40886
64%
**43
90%
Vihtavuori N165
<<locked>>
81%
49255
77%
**18
100%
[Vihtavuori N170]*
<<locked>>
81%
37666
59%
**25
93%
Vihtavuori N565
<<locked>>
81%
47906
75%
**77
100%
Vihtavuori N568
<<locked>>
81%
42699
67%
**12
98%
Vihtavuori N570
<<locked>>
81%
41060
64%
**08
95%

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.

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