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Load data for .30-378 Weath. Mag. + .308 | 140gr | Lehigh Defense Controlled Chaos

Recommended Powder(s): Alliant Reloder-22, Alliant Reloder-25, Ramshot Magnum, ReloadSwiss RS 76, Winchester StaBALL HD

.30-378 Weath. Mag. + .308 | 140gr | Lehigh Defense Controlled Chaos

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 140gr | Lehigh Defense Controlled Chaos
Manufacturer SKU:
308140SP
Bullet Weight:
140gr | 9.1g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.085" | 27.6mm
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:
0.398" | 10.1mm
Shank Seated Depth:
0.315" | 8.0mm
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_B11018_C333
Last updated:
2025-11-12
Recommended Twist Rate:
1:15 - 1:12

Load data for 98 loads in caliber .30-378 Weath. Mag. with .308 | 140gr | Lehigh Defense Controlled Chaos bullet and 49 powders such as Alliant Reloder-22, Alliant Reloder-25, Ramshot Magnum, ReloadSwiss RS 76, Winchester StaBALL HD. 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
87%
89%
99%
ADI AR 2213
90%
90%
98%
ADI AR 2217
97%
83%
98%
ADI AR 2225
97%
76%
99%
Accurate 3100
90%
90%
100%
Accurate MAGPRO
90%
89%
97%
Alliant Reloder-16
83%
90%
100%
Alliant Reloder-19
88%
90%
99%
Alliant Reloder-22
90%
90%
99%
Alliant Reloder-23
91%
90%
100%
Alliant Reloder-25
95%
89%
100%
Alliant Reloder-26
87%
90%
100%
Alliant Reloder-33
97%
80%
94%
Hodgdon H1000
97%
83%
98%
Hodgdon H4350
86%
90%
100%
Hodgdon H4831
93%
90%
98%
Hodgdon H4831 SC
89%
90%
98%
Hodgdon Hybrid 100V
85%
89%
100%
Hodgdon Retumbo
97%
76%
99%
Hodgdon TrailBoss
97%
56%
100%
IMR 4350
84%
89%
100%
IMR 4831
87%
89%
100%
IMR 4955 Enduron
90%
90%
98%
IMR 7828 SSC
89%
89%
98%
IMR 7977 Enduron
95%
89%
92%
IMR 8133 Enduron
97%
69%
95%
Lovex S071
95%
89%
100%
Norma 204
83%
90%
99%
Norma 217
97%
69%
98%
Norma MRP
88%
89%
100%
Ramshot Hunter
83%
90%
100%
Ramshot Magnum
90%
90%
100%
ReloadSwiss RS 14
97%
57%
100%
ReloadSwiss RS 76
95%
89%
100%
ReloadSwiss RS 80
97%
88%
98%
Rottweil R 904
87%
89%
98%
Rottweil R 905
88%
89%
99%
Somchem S361
86%
90%
98%
Somchem S365
84%
90%
100%
Somchem S385
88%
90%
100%
Vihtavuori N150
83%
90%
100%
Vihtavuori N165
93%
90%
100%
Vihtavuori N170
97%
78%
92%
Vihtavuori N555
88%
89%
100%
Vihtavuori N560
90%
89%
98%
Vihtavuori N565
94%
90%
98%
Vihtavuori N568
97%
89%
97%
Vihtavuori N570
97%
85%
94%
Winchester StaBALL HD
91%
90%
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
81%
72%
97%
ADI AR 2213
81%
64%
94%
ADI AR 2217
84%
53%
90%
ADI AR 2225
82%
45%
90%
Accurate 3100
81%
65%
98%
Accurate MAGPRO
81%
64%
91%
Alliant Reloder-16
81%
83%
100%
Alliant Reloder-19
81%
72%
97%
Alliant Reloder-22
81%
65%
96%
Alliant Reloder-23
81%
63%
100%
Alliant Reloder-25
81%
55%
97%
Alliant Reloder-26
81%
71%
100%
Alliant Reloder-33
92%
67%
90%
Hodgdon H1000
84%
53%
90%
Hodgdon H4350
81%
77%
99%
Hodgdon H4831
81%
61%
92%
Hodgdon H4831 SC
81%
67%
94%
Hodgdon Hybrid 100V
81%
78%
100%
Hodgdon Retumbo
82%
45%
90%
Hodgdon TrailBoss
81%
45%
100%
IMR 4350
81%
81%
99%
IMR 4831
81%
74%
100%
IMR 4955 Enduron
81%
66%
94%
IMR 7828 SSC
81%
66%
95%
IMR 7977 Enduron
92%
81%
90%
IMR 8133 Enduron
89%
52%
90%
Lovex S071
81%
56%
96%
Norma 204
81%
83%
98%
Norma 217
85%
46%
90%
Norma MRP
81%
69%
98%
Ramshot Hunter
81%
83%
100%
Ramshot Magnum
81%
62%
96%
ReloadSwiss RS 14
81%
46%
100%
ReloadSwiss RS 76
81%
52%
94%
ReloadSwiss RS 80
86%
57%
90%
Rottweil R 904
81%
73%
96%
Rottweil R 905
81%
71%
97%
Somchem S361
81%
75%
96%
Somchem S365
81%
80%
100%
Somchem S385
81%
72%
98%
Vihtavuori N150
81%
83%
100%
Vihtavuori N165
81%
61%
95%
Vihtavuori N170
94%
72%
90%
Vihtavuori N555
81%
71%
100%
Vihtavuori N560
81%
66%
94%
Vihtavuori N565
81%
57%
91%
Vihtavuori N568
86%
60%
90%
Vihtavuori N570
91%
68%
90%
Winchester StaBALL HD
81%
60%
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.

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