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Load data for .30-378 Weath. Mag. + .308 | 220gr | Hornady InterLock RN

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

.30-378 Weath. Mag. + .308 | 220gr | Hornady InterLock RN

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 220gr | Hornady InterLock RN
Manufacturer SKU:
3090
Bullet Weight:
220gr | 14.3g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.283" | 32.6mm
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:
0.596" | 15.1mm
Shank Seated Depth:
0.596" | 15.1mm
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_B2712_C333
Last updated:
2025-01-01

Load data for 60 loads in caliber .30-378 Weath. Mag. with .308 | 220gr | Hornady InterLock RN bullet and 30 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>>
90%
57363
90%
**35
100%
ADI AR 2218 👍
<<locked>>
93%
57305
90%
**59
100%
ADI AR 2225
<<locked>>
91%
57319
90%
**41
100%
Accurate 8700
<<locked>>
97%
52779
83%
**72
99%
Alliant Reloder-25
<<locked>>
85%
57145
90%
**08
100%
Alliant Reloder-33 👍
<<locked>>
90%
57319
90%
**84
99%
Alliant Reloder-50 👍
<<locked>>
94%
56898
89%
**74
99%
[Hodgdon 50BMG]*
<<locked>>
97%
56782
89%
**48
93%
Hodgdon H1000
<<locked>>
90%
57363
90%
**35
100%
Hodgdon H4831
<<locked>>
84%
57290
90%
**92
100%
Hodgdon Retumbo
<<locked>>
91%
57319
90%
**41
100%
Hodgdon US 869
<<locked>>
97%
57000
89%
**25
96%
Hodgdon TrailBoss
<<locked>>
97%
36709
58%
**72
100%
IMR 7977 Enduron
<<locked>>
87%
57334
90%
**53
97%
IMR 8133 Enduron 👍
<<locked>>
94%
57174
90%
**51
100%
Lovex D100
<<locked>>
90%
57058
89%
**82
96%
Lovex S071
<<locked>>
86%
57058
89%
**20
100%
Norma 217
<<locked>>
93%
57188
90%
**48
100%
Ramshot LRT
<<locked>>
93%
57130
90%
**87
96%
ReloadSwiss RS 14
<<locked>>
97%
37855
59%
**18
100%
ReloadSwiss RS 76
<<locked>>
85%
57319
90%
**67
100%
ReloadSwiss RS 80
<<locked>>
88%
57276
90%
**74
100%
SNPE Vectan SP 13
<<locked>>
97%
54491
85%
**76
98%
Vihtavuori 20N29
<<locked>>
97%
52881
83%
**72
97%
Vihtavuori 24N41
<<locked>>
93%
57029
89%
**48
96%
Vihtavuori N165
<<locked>>
84%
57087
89%
**36
100%
Vihtavuori N170
<<locked>>
92%
56898
89%
**89
98%
Vihtavuori N565
<<locked>>
85%
57305
90%
**25
100%
Vihtavuori N568
<<locked>>
88%
57435
90%
**67
100%
Vihtavuori N570 👍
<<locked>>
88%
57043
89%
**04
99%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2217
<<locked>>
81%
42438
66%
**72
99%
[ADI AR 2218]*
<<locked>>
81%
36564
57%
**20
94%
ADI AR 2225
<<locked>>
81%
39798
62%
**59
100%
[Accurate 8700]*
<<locked>>
82%
30893
48%
**13
90%
Alliant Reloder-25
<<locked>>
81%
49182
77%
**90
100%
Alliant Reloder-33
<<locked>>
81%
40799
64%
**85
96%
[Alliant Reloder-50]*
<<locked>>
81%
35723
56%
**54
93%
[Hodgdon 50BMG]*
<<locked>>
93%
49400
77%
**17
90%
Hodgdon H1000
<<locked>>
81%
42438
66%
**72
99%
Hodgdon H4831
<<locked>>
81%
51401
81%
**03
100%
Hodgdon Retumbo
<<locked>>
81%
39798
62%
**59
100%
[Hodgdon US 869]*
<<locked>>
87%
40567
64%
**26
90%
Hodgdon TrailBoss
<<locked>>
84%
30501
48%
**50
100%
IMR 7977 Enduron
<<locked>>
81%
46630
73%
**75
95%
IMR 8133 Enduron
<<locked>>
81%
37159
58%
**84
98%
[Lovex D100]*
<<locked>>
81%
40973
64%
**87
91%
Lovex S071
<<locked>>
81%
48457
76%
**95
100%
Norma 217
<<locked>>
81%
37927
59%
**07
100%
[Ramshot LRT]*
<<locked>>
84%
40596
64%
**62
90%
ReloadSwiss RS 14
<<locked>>
81%
30153
47%
**60
100%
ReloadSwiss RS 76
<<locked>>
81%
49052
77%
**46
100%
ReloadSwiss RS 80
<<locked>>
81%
44802
70%
**61
99%
[SNPE Vectan SP 13]*
<<locked>>
81%
31647
50%
**06
90%
[Vihtavuori 20N29]*
<<locked>>
86%
35201
55%
**15
90%
[Vihtavuori 24N41]*
<<locked>>
84%
40437
63%
**30
90%
Vihtavuori N165
<<locked>>
81%
51793
81%
**64
100%
[Vihtavuori N170]*
<<locked>>
81%
40074
63%
**80
94%
Vihtavuori N565
<<locked>>
81%
50546
79%
**10
100%
Vihtavuori N568
<<locked>>
81%
45527
71%
**61
99%
Vihtavuori N570
<<locked>>
81%
43874
69%
**61
97%

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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