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Load data for .300 Weath. Mag. + .308 | 175gr | Hornady Sub-X

Recommended Powder(s): Alliant Reloder-26, IMR 4831, Ramshot Hunter, ReloadSwiss RS 70, Vihtavuori N555

.300 Weath. Mag. + .308 | 175gr | Hornady Sub-X

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 175gr | Hornady Sub-X
Manufacturer SKU:
30718
Bullet Weight:
175gr | 11.3g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.500" | 38.1mm
Caliber:
.300 Weath. Mag. load data
Case Length (l3):
2.824" | 71.7mm
Cartridge Length (C.O.L.):
3.507" | 89.1mm
Seated Depth:
0.817" | 20.8mm
Shank Seated Depth:
0.719" | 18.3mm
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_B10726_C379
Last updated:
2025-01-01
Recommended Twist Rate:
1:10 - 1:8

Load data for 148 loads in caliber .300 Weath. Mag. with .308 | 175gr | Hornady Sub-X bullet and 74 powders such as Alliant Reloder-26, IMR 4831, Ramshot Hunter, ReloadSwiss RS 70, Vihtavuori N555. 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 2208
<<locked>>
85%
57000
89%
**90
100%
ADI AR 2209
<<locked>>
96%
56797
89%
**86
99%
ADI AR 2213
<<locked>>
97%
52431
82%
**46
97%
[ADI AR 2225]*
<<locked>>
97%
34127
53%
**85
94%
Accurate 2700
<<locked>>
86%
57029
89%
**58
99%
Accurate 3100
<<locked>>
97%
52373
82%
**64
100%
Accurate 4064
<<locked>>
83%
57000
89%
**54
100%
Accurate 4350
<<locked>>
91%
57377
90%
**63
100%
[Accurate MAGPRO]*
<<locked>>
97%
51155
80%
**40
94%
Alliant Reloder- TS 15.5
<<locked>>
85%
56971
89%
**04
100%
Alliant Reloder-16
<<locked>>
92%
56840
89%
**99
100%
Alliant Reloder-17
<<locked>>
87%
56724
89%
**99
100%
Alliant Reloder-19
<<locked>>
96%
56710
89%
**82
99%
Alliant Reloder-22
<<locked>>
97%
51721
81%
**40
98%
Alliant Reloder-23
<<locked>>
97%
49327
77%
**84
100%
Alliant Reloder-25
<<locked>>
97%
42467
67%
**99
99%
Alliant Reloder-26 👍
<<locked>>
97%
56666
89%
**74
100%
Hodgdon H380
<<locked>>
84%
56637
89%
**17
100%
Hodgdon H414
<<locked>>
87%
56942
89%
**72
100%
Hodgdon H4350
<<locked>>
94%
57087
89%
**30
99%
Hodgdon H4831
<<locked>>
97%
48704
76%
**25
95%
Hodgdon H4831 SC
<<locked>>
97%
54897
86%
**27
97%
Hodgdon Hybrid 100V
<<locked>>
94%
57130
90%
**23
100%
Hodgdon LVR
<<locked>>
89%
57072
89%
**63
100%
[Hodgdon Retumbo]*
<<locked>>
97%
34127
53%
**85
94%
Hodgdon Superperformance
<<locked>>
89%
57276
90%
**09
99%
Hodgdon VARGET
<<locked>>
86%
57217
90%
**97
100%
Hodgdon TrailBoss
<<locked>>
96%
34882
55%
**85
100%
IMR 4064
<<locked>>
86%
57305
90%
**94
100%
IMR 4166 Enduron
<<locked>>
86%
56927
89%
**77
99%
IMR 4350
<<locked>>
92%
57101
89%
**30
99%
IMR 4451 Enduron
<<locked>>
87%
56768
89%
**04
99%
IMR 4831 👍
<<locked>>
96%
56826
89%
**40
100%
IMR 4955 Enduron
<<locked>>
97%
54433
85%
**84
97%
IMR 7828 SSC
<<locked>>
97%
54375
85%
**92
97%
Lovex S062
<<locked>>
83%
57392
90%
**74
100%
Lovex S065
<<locked>>
90%
57145
90%
**07
100%
Lovex S070
<<locked>>
91%
57188
90%
**23
100%
Lovex S071
<<locked>>
97%
43294
68%
**07
98%
Norma 204
<<locked>>
91%
57058
89%
**69
98%
Norma MRP
<<locked>>
97%
54998
86%
**35
99%
Norma URP
<<locked>>
91%
56927
89%
**56
100%
Ramshot Hunter 👍
<<locked>>
92%
56971
89%
**79
100%
Ramshot Magnum
<<locked>>
97%
50082
78%
**94
98%
ReloadSwiss RS 14
<<locked>>
96%
35563
56%
**24
100%
ReloadSwiss RS 50
<<locked>>
84%
56971
89%
**04
100%
ReloadSwiss RS 60
<<locked>>
88%
56855
89%
**28
100%
ReloadSwiss RS 62
<<locked>>
90%
57043
89%
**76
100%
ReloadSwiss RS 70 👍
<<locked>>
91%
57072
89%
**31
100%
ReloadSwiss RS 76
<<locked>>
97%
41684
65%
**25
97%
Rottweil R 903
<<locked>>
86%
56927
89%
**97
100%
Rottweil R 904
<<locked>>
95%
57087
89%
**40
98%
Rottweil R 905
<<locked>>
97%
57159
90%
**82
99%
Rottweil R 907
<<locked>>
89%
57145
90%
**07
99%
SNPE Vectan SP 11
<<locked>>
85%
57217
90%
**40
100%
SNPE Vectan Tubal 5000
<<locked>>
86%
57087
89%
**72
100%
SNPE Vectan Tubal 7000
<<locked>>
90%
57319
90%
**67
100%
Shooters World Long Rifle
<<locked>>
90%
57145
90%
**07
100%
Shooters World Precision
<<locked>>
83%
57392
90%
**74
100%
Somchem S355
<<locked>>
86%
57261
90%
**07
100%
Somchem S361
<<locked>>
94%
56869
89%
**97
97%
Somchem S365
<<locked>>
93%
57261
90%
**69
100%
Somchem S385
<<locked>>
96%
57072
89%
**49
99%
Vihtavuori N135
<<locked>>
87%
57043
89%
**12
100%
Vihtavuori N150
<<locked>>
91%
57101
89%
**61
100%
Vihtavuori N160
<<locked>>
89%
57101
89%
**27
100%
Vihtavuori N165
<<locked>>
97%
48443
76%
**92
98%
Vihtavuori N550
<<locked>>
88%
56927
89%
**59
100%
Vihtavuori N555 👍
<<locked>>
97%
55172
86%
**59
100%
Vihtavuori N560
<<locked>>
97%
51779
81%
**66
96%
[Vihtavuori N565]*
<<locked>>
97%
44295
69%
**02
94%
Winchester 6.5 StaBALL
<<locked>>
90%
56985
89%
**90
100%
Winchester 760
<<locked>>
87%
56942
89%
**72
100%
Winchester StaBALL HD
<<locked>>
97%
44338
69%
**30
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
50154
79%
**89
100%
[ADI AR 2209]*
<<locked>>
81%
34896
55%
**43
92%
[ADI AR 2213]*
<<locked>>
85%
35273
55%
**66
90%
[ADI AR 2225]*
<<locked>>
92%
29805
47%
**54
90%
Accurate 2700
<<locked>>
81%
48530
76%
**23
98%
[Accurate 3100]*
<<locked>>
81%
30385
48%
**11
94%
Accurate 4064
<<locked>>
81%
53505
84%
**08
100%
Accurate 4350
<<locked>>
81%
41278
65%
**84
99%
[Accurate MAGPRO]*
<<locked>>
89%
39233
61%
**94
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
50705
79%
**08
100%
Alliant Reloder-16
<<locked>>
81%
39827
62%
**97
99%
Alliant Reloder-17
<<locked>>
81%
45614
71%
**22
100%
[Alliant Reloder-19]*
<<locked>>
81%
34708
54%
**43
92%
[Alliant Reloder-22]*
<<locked>>
81%
30937
48%
**74
90%
Alliant Reloder-23
<<locked>>
81%
29414
46%
**48
97%
[Alliant Reloder-25]*
<<locked>>
81%
25875
41%
**33
91%
Alliant Reloder-26
<<locked>>
81%
31560
49%
**56
96%
Hodgdon H380
<<locked>>
81%
51938
81%
**38
100%
Hodgdon H414
<<locked>>
81%
46891
73%
**08
98%
Hodgdon H4350
<<locked>>
81%
38450
60%
**75
95%
[Hodgdon H4831]*
<<locked>>
87%
36042
56%
**46
90%
[Hodgdon H4831 SC]*
<<locked>>
84%
36042
56%
**46
90%
Hodgdon Hybrid 100V
<<locked>>
81%
37565
59%
**82
99%
Hodgdon LVR
<<locked>>
81%
44063
69%
**33
99%
[Hodgdon Retumbo]*
<<locked>>
92%
29805
47%
**54
90%
Hodgdon Superperformance
<<locked>>
81%
42192
66%
**49
97%
Hodgdon VARGET
<<locked>>
81%
49835
78%
**76
100%
Hodgdon TrailBoss
<<locked>>
82%
28398
44%
**44
100%
IMR 4064
<<locked>>
81%
49226
77%
**62
100%
IMR 4166 Enduron
<<locked>>
81%
48356
76%
**40
98%
IMR 4350
<<locked>>
81%
40524
64%
**21
96%
IMR 4451 Enduron
<<locked>>
81%
46470
73%
**26
98%
IMR 4831
<<locked>>
81%
35998
56%
**59
98%
[IMR 4955 Enduron]*
<<locked>>
83%
34969
55%
**87
90%
[IMR 7828 SSC]*
<<locked>>
84%
35070
55%
**82
90%
Lovex S062
<<locked>>
81%
53084
83%
**12
100%
Lovex S065
<<locked>>
81%
43903
69%
**80
99%
Lovex S070
<<locked>>
81%
42221
66%
**61
97%
[Lovex S071]*
<<locked>>
81%
26179
41%
**83
91%
[Norma 204]*
<<locked>>
81%
39972
63%
**51
94%
[Norma MRP]*
<<locked>>
81%
31894
50%
**36
93%
Norma URP
<<locked>>
81%
40959
64%
**80
99%
Ramshot Hunter
<<locked>>
81%
39668
62%
**61
97%
[Ramshot Magnum]*
<<locked>>
83%
29994
47%
**34
90%
ReloadSwiss RS 14
<<locked>>
81%
28471
45%
**73
100%
ReloadSwiss RS 50
<<locked>>
81%
51634
81%
**18
99%
ReloadSwiss RS 60
<<locked>>
81%
44019
69%
**12
100%
ReloadSwiss RS 62
<<locked>>
81%
41075
64%
**00
99%
ReloadSwiss RS 70
<<locked>>
81%
39537
62%
**13
98%
[ReloadSwiss RS 76]*
<<locked>>
87%
29892
47%
**84
90%
Rottweil R 903
<<locked>>
81%
48631
76%
**76
100%
[Rottweil R 904]*
<<locked>>
81%
36143
57%
**26
91%
[Rottweil R 905]*
<<locked>>
81%
33794
53%
**23
92%
Rottweil R 907
<<locked>>
81%
44976
70%
**97
97%
SNPE Vectan SP 11
<<locked>>
81%
49806
78%
**28
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
49472
78%
**67
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
43134
68%
**28
97%
Shooters World Long Rifle
<<locked>>
81%
43903
69%
**80
99%
Shooters World Precision
<<locked>>
81%
53084
83%
**12
100%
Somchem S355
<<locked>>
81%
48602
76%
**62
100%
[Somchem S361]*
<<locked>>
81%
36695
58%
**16
91%
Somchem S365
<<locked>>
81%
37304
58%
**38
100%
[Somchem S385]*
<<locked>>
81%
34360
54%
**10
94%
Vihtavuori N135
<<locked>>
81%
47282
74%
**64
100%
Vihtavuori N150
<<locked>>
81%
41771
65%
**12
100%
Vihtavuori N160
<<locked>>
81%
43932
69%
**00
99%
[Vihtavuori N165]*
<<locked>>
82%
29269
46%
**69
90%
Vihtavuori N550
<<locked>>
81%
44730
70%
**49
99%
Vihtavuori N555
<<locked>>
81%
32721
51%
**23
97%
[Vihtavuori N560]*
<<locked>>
86%
36013
56%
**21
90%
[Vihtavuori N565]*
<<locked>>
90%
34476
54%
**75
90%
Winchester 6.5 StaBALL
<<locked>>
81%
41423
65%
**48
100%
Winchester 760
<<locked>>
81%
46891
73%
**08
98%
Winchester StaBALL HD
<<locked>>
81%
25904
41%
**11
96%

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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