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Load data for .300 Weath. Mag. + .308 | 175gr | Lehigh Defense Controlled Chaos

Recommended Powder(s): Alliant Reloder-26, Norma 204, Ramshot Hunter, Vihtavuori N555, Winchester StaBALL HD

.300 Weath. Mag. + .308 | 175gr | Lehigh Defense Controlled Chaos

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 175gr | Lehigh Defense Controlled Chaos
Manufacturer SKU:
308175CuSP
Bullet Weight:
175gr | 11.3g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.420" | 36.1mm
Caliber:
.300 Weath. Mag. load data
Case Length (l3):
2.824" | 71.7mm
Cartridge Length (C.O.L.):
3.507" | 89.1mm
Seated Depth:
0.737" | 18.7mm
Shank Seated Depth:
0.564" | 14.3mm
Case Capacity:
98.9 Grains of Water | 6.42 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
63817 psi | 4400 bar
LID:
LID_B11020_C379
Last updated:
2025-11-08
Recommended Twist Rate:
1:11 - 1:9

Load data for 146 loads in caliber .300 Weath. Mag. with .308 | 175gr | Lehigh Defense Controlled Chaos bullet and 73 powders such as Alliant Reloder-26, Norma 204, Ramshot Hunter, Vihtavuori N555, 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 2208
<<locked>>
85%
56623
89%
**90
100%
ADI AR 2209
<<locked>>
96%
57217
90%
**95
99%
ADI AR 2213
<<locked>>
97%
53766
84%
**69
97%
[ADI AR 2217]*
<<locked>>
97%
39073
61%
**61
92%
[ADI AR 2225]*
<<locked>>
97%
34563
54%
**05
94%
Accurate 2700
<<locked>>
86%
57348
90%
**67
99%
Accurate 3100
<<locked>>
97%
53287
83%
**84
100%
Accurate 4350
<<locked>>
90%
56753
89%
**53
100%
Accurate MAGPRO
<<locked>>
97%
52591
82%
**72
95%
Alliant Reloder- TS 15.5
<<locked>>
84%
57101
89%
**04
100%
Alliant Reloder-16
<<locked>>
92%
57145
90%
**12
100%
Alliant Reloder-17
<<locked>>
87%
56826
89%
**05
100%
Alliant Reloder-19
<<locked>>
96%
56782
89%
**89
99%
Alliant Reloder-22
<<locked>>
97%
52982
83%
**69
98%
Alliant Reloder-23
<<locked>>
97%
50024
78%
**00
100%
Alliant Reloder-25
<<locked>>
97%
43381
68%
**22
99%
Alliant Reloder-26 👍
<<locked>>
96%
57159
90%
**87
100%
[Hodgdon H1000]*
<<locked>>
97%
39073
61%
**61
92%
Hodgdon H380
<<locked>>
84%
57319
90%
**33
100%
Hodgdon H414
<<locked>>
86%
56985
89%
**79
100%
Hodgdon H4350
<<locked>>
93%
56956
89%
**27
99%
Hodgdon H4831
<<locked>>
97%
49574
78%
**41
95%
Hodgdon H4831 SC
<<locked>>
97%
56449
88%
**63
97%
Hodgdon Hybrid 100V
<<locked>>
93%
56840
89%
**17
100%
Hodgdon LVR
<<locked>>
89%
57174
90%
**59
100%
[Hodgdon Retumbo]*
<<locked>>
97%
34563
54%
**05
94%
Hodgdon Superperformance
<<locked>>
89%
57334
90%
**25
100%
Hodgdon VARGET
<<locked>>
85%
57087
89%
**00
100%
Hodgdon TrailBoss
<<locked>>
96%
34795
55%
**85
100%
IMR 4064
<<locked>>
85%
56724
89%
**84
100%
IMR 4166 Enduron
<<locked>>
86%
57319
90%
**94
100%
IMR 4350
<<locked>>
91%
56768
89%
**27
99%
IMR 4451 Enduron
<<locked>>
87%
56739
89%
**13
99%
IMR 4831
<<locked>>
95%
57363
90%
**49
100%
IMR 4955 Enduron
<<locked>>
97%
54665
86%
**90
97%
IMR 7828 SSC
<<locked>>
97%
54839
86%
**05
97%
Lovex S065
<<locked>>
89%
57348
90%
**07
100%
Lovex S070
<<locked>>
90%
56840
89%
**30
100%
Lovex S071
<<locked>>
97%
44483
70%
**36
99%
Norma 204 👍
<<locked>>
91%
57116
90%
**66
99%
Norma MRP
<<locked>>
97%
56086
88%
**51
100%
Norma URP
<<locked>>
91%
57363
90%
**66
100%
Ramshot Hunter 👍
<<locked>>
91%
56782
89%
**79
100%
Ramshot Magnum
<<locked>>
97%
51416
81%
**23
99%
ReloadSwiss RS 14
<<locked>>
97%
35969
56%
**37
100%
ReloadSwiss RS 50
<<locked>>
84%
57072
89%
**17
100%
ReloadSwiss RS 60
<<locked>>
88%
56927
89%
**25
100%
ReloadSwiss RS 62
<<locked>>
90%
57000
89%
**79
100%
ReloadSwiss RS 70
<<locked>>
91%
57130
90%
**38
100%
ReloadSwiss RS 76
<<locked>>
97%
42206
66%
**41
98%
Rottweil R 903
<<locked>>
85%
56724
89%
**07
100%
Rottweil R 904
<<locked>>
95%
57029
89%
**36
98%
Rottweil R 905
<<locked>>
96%
56666
89%
**82
99%
Rottweil R 907
<<locked>>
88%
57363
90%
**20
99%
SNPE Vectan SP 11
<<locked>>
85%
57363
90%
**49
100%
SNPE Vectan Tubal 5000
<<locked>>
85%
56797
89%
**72
100%
SNPE Vectan Tubal 7000
<<locked>>
89%
56927
89%
**64
100%
Shooters World Long Rifle
<<locked>>
89%
57348
90%
**07
100%
Somchem S355
<<locked>>
86%
56710
89%
**94
100%
Somchem S361
<<locked>>
94%
57406
90%
**10
97%
Somchem S365
<<locked>>
93%
56927
89%
**72
100%
Somchem S385
<<locked>>
96%
57043
89%
**53
99%
Vihtavuori N135
<<locked>>
87%
57014
89%
**05
100%
Vihtavuori N150
<<locked>>
91%
56869
89%
**61
100%
Vihtavuori N160
<<locked>>
88%
57130
90%
**23
100%
Vihtavuori N165
<<locked>>
97%
49472
78%
**15
98%
Vihtavuori N550
<<locked>>
88%
57363
90%
**69
100%
Vihtavuori N555 👍
<<locked>>
97%
56275
88%
**79
100%
Vihtavuori N560
<<locked>>
97%
52808
83%
**86
97%
Vihtavuori N565
<<locked>>
97%
45078
71%
**25
95%
Winchester 6.5 StaBALL
<<locked>>
90%
57000
89%
**94
100%
Winchester 760
<<locked>>
86%
56985
89%
**79
100%
Winchester StaBALL HD 👍
<<locked>>
97%
46224
72%
**69
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
50676
79%
**95
100%
[ADI AR 2209]*
<<locked>>
81%
35476
56%
**59
93%
[ADI AR 2213]*
<<locked>>
84%
35070
55%
**66
90%
[ADI AR 2217]*
<<locked>>
93%
34896
55%
**56
90%
[ADI AR 2225]*
<<locked>>
92%
29501
46%
**51
90%
Accurate 2700
<<locked>>
81%
48849
77%
**33
98%
[Accurate 3100]*
<<locked>>
81%
31169
49%
**31
94%
Accurate 4350
<<locked>>
81%
42264
66%
**07
99%
[Accurate MAGPRO]*
<<locked>>
89%
39305
62%
**00
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
51750
81%
**28
100%
Alliant Reloder-16
<<locked>>
81%
40640
64%
**10
99%
Alliant Reloder-17
<<locked>>
81%
46528
73%
**38
100%
[Alliant Reloder-19]*
<<locked>>
81%
35462
56%
**59
93%
[Alliant Reloder-22]*
<<locked>>
81%
31227
49%
**90
91%
Alliant Reloder-23
<<locked>>
81%
29965
47%
**67
98%
[Alliant Reloder-25]*
<<locked>>
81%
26252
41%
**46
91%
Alliant Reloder-26
<<locked>>
81%
32358
51%
**92
96%
[Hodgdon H1000]*
<<locked>>
93%
34896
55%
**56
90%
Hodgdon H380
<<locked>>
81%
52359
82%
**51
100%
Hodgdon H414
<<locked>>
81%
47718
75%
**25
98%
Hodgdon H4350
<<locked>>
81%
39276
62%
**02
96%
[Hodgdon H4831]*
<<locked>>
87%
35650
56%
**39
90%
[Hodgdon H4831 SC]*
<<locked>>
83%
35650
56%
**39
90%
Hodgdon Hybrid 100V
<<locked>>
81%
38101
60%
**02
100%
Hodgdon LVR
<<locked>>
81%
44730
70%
**49
99%
[Hodgdon Retumbo]*
<<locked>>
92%
29501
46%
**51
90%
Hodgdon Superperformance
<<locked>>
81%
42873
67%
**66
97%
Hodgdon VARGET
<<locked>>
81%
50473
79%
**95
100%
Hodgdon TrailBoss
<<locked>>
82%
28355
44%
**50
100%
IMR 4064
<<locked>>
81%
50024
78%
**82
100%
IMR 4166 Enduron
<<locked>>
81%
48863
77%
**49
99%
IMR 4350
<<locked>>
81%
40944
64%
**38
96%
IMR 4451 Enduron
<<locked>>
81%
47210
74%
**46
98%
IMR 4831
<<locked>>
81%
36506
57%
**72
98%
[IMR 4955 Enduron]*
<<locked>>
82%
34548
54%
**84
90%
[IMR 7828 SSC]*
<<locked>>
83%
34766
54%
**75
90%
Lovex S065
<<locked>>
81%
44686
70%
**90
99%
Lovex S070
<<locked>>
81%
42670
67%
**80
98%
[Lovex S071]*
<<locked>>
81%
26643
42%
**06
92%
Norma 204
<<locked>>
81%
40741
64%
**71
95%
[Norma MRP]*
<<locked>>
81%
32198
50%
**49
93%
Norma URP
<<locked>>
81%
41582
65%
**94
99%
Ramshot Hunter
<<locked>>
81%
40480
63%
**84
98%
[Ramshot Magnum]*
<<locked>>
82%
29689
47%
**31
90%
ReloadSwiss RS 14
<<locked>>
81%
28529
45%
**80
100%
ReloadSwiss RS 50
<<locked>>
81%
52475
82%
**35
99%
ReloadSwiss RS 60
<<locked>>
81%
44875
70%
**28
100%
ReloadSwiss RS 62
<<locked>>
81%
41916
66%
**20
99%
ReloadSwiss RS 70
<<locked>>
81%
40248
63%
**33
99%
[ReloadSwiss RS 76]*
<<locked>>
87%
29892
47%
**87
90%
Rottweil R 903
<<locked>>
81%
49284
77%
**85
100%
[Rottweil R 904]*
<<locked>>
81%
36927
58%
**52
92%
[Rottweil R 905]*
<<locked>>
81%
34330
54%
**36
93%
Rottweil R 907
<<locked>>
81%
45629
72%
**17
98%
SNPE Vectan SP 11
<<locked>>
81%
50444
79%
**41
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
50038
78%
**84
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
43584
68%
**35
98%
Shooters World Long Rifle
<<locked>>
81%
44686
70%
**90
99%
Somchem S355
<<locked>>
81%
49472
78%
**82
100%
[Somchem S361]*
<<locked>>
81%
37304
58%
**33
91%
Somchem S365
<<locked>>
81%
37971
60%
**48
100%
[Somchem S385]*
<<locked>>
81%
35128
55%
**33
94%
Vihtavuori N135
<<locked>>
81%
48008
75%
**87
100%
Vihtavuori N150
<<locked>>
81%
42322
66%
**28
100%
Vihtavuori N160
<<locked>>
81%
44802
70%
**20
99%
[Vihtavuori N165]*
<<locked>>
81%
29414
46%
**75
91%
Vihtavuori N550
<<locked>>
81%
45179
71%
**62
99%
Vihtavuori N555
<<locked>>
81%
33214
52%
**39
98%
[Vihtavuori N560]*
<<locked>>
85%
35447
56%
**12
90%
[Vihtavuori N565]*
<<locked>>
89%
34200
54%
**72
90%
Winchester 6.5 StaBALL
<<locked>>
81%
42090
66%
**61
100%
Winchester 760
<<locked>>
81%
47718
75%
**25
98%
Winchester StaBALL HD
<<locked>>
81%
24018
38%
**41
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.

<<locked>>... you need to buy an access license to unlock the data

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