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

Recommended Powder(s): ADI AR 2209, Alliant Reloder-19, Alliant Reloder-22, Norma MRP, Rottweil R 905

.300 Norma 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 Norma Mag load data
Case Length (l3):
2.490" | 63.2mm
Cartridge Length (C.O.L.):
3.625" | 92.1mm
Seated Depth:
0.365" | 9.3mm
Shank Seated Depth:
0.267" | 6.8mm
Case Capacity:
104.0 Grains of Water | 6.75 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
63817 psi | 4400 bar
LID:
LID_B10726_C365
Last updated:
2025-01-01
Recommended Twist Rate:
1:10 - 1:8

Load data for 122 loads in caliber .300 Norma Mag with .308 | 175gr | Hornady Sub-X bullet and 61 powders such as ADI AR 2209, Alliant Reloder-19, Alliant Reloder-22, Norma MRP, Rottweil R 905. 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 2209 👍
<<locked>>
91%
56753
89%
**41
99%
ADI AR 2213
<<locked>>
94%
57043
89%
**81
99%
ADI AR 2217
<<locked>>
97%
45368
71%
**64
97%
ADI AR 2225
<<locked>>
97%
40973
64%
**18
98%
Accurate 3100
<<locked>>
94%
57058
89%
**79
100%
Accurate 4350
<<locked>>
85%
57029
89%
**95
100%
Accurate MAGPRO
<<locked>>
95%
57363
90%
**00
97%
Alliant Reloder-16
<<locked>>
87%
56826
89%
**48
100%
Alliant Reloder-19 👍
<<locked>>
91%
57043
89%
**45
99%
Alliant Reloder-22 👍
<<locked>>
94%
57101
89%
**81
99%
Alliant Reloder-23
<<locked>>
96%
57159
90%
**35
100%
Alliant Reloder-25
<<locked>>
97%
51547
81%
**12
100%
Alliant Reloder-26
<<locked>>
91%
56956
89%
**10
100%
Hodgdon H1000
<<locked>>
97%
45368
71%
**64
97%
Hodgdon H4350
<<locked>>
89%
56913
89%
**76
100%
Hodgdon H4831
<<locked>>
96%
56710
89%
**12
98%
Hodgdon H4831 SC
<<locked>>
93%
57014
89%
**25
98%
Hodgdon Hybrid 100V
<<locked>>
89%
56681
89%
**56
100%
Hodgdon LVR
<<locked>>
84%
57334
90%
**09
100%
Hodgdon Retumbo
<<locked>>
97%
40973
64%
**18
98%
Hodgdon Superperformance
<<locked>>
84%
57159
90%
**61
100%
Hodgdon TrailBoss
<<locked>>
96%
35288
55%
**57
100%
IMR 4350
<<locked>>
88%
57392
90%
**89
100%
IMR 4451 Enduron
<<locked>>
84%
57334
90%
**79
100%
IMR 4831
<<locked>>
91%
57188
90%
**92
100%
IMR 4955 Enduron
<<locked>>
94%
57319
90%
**99
98%
IMR 7828 SSC
<<locked>>
93%
56695
89%
**87
99%
[IMR 8133 Enduron]*
<<locked>>
97%
36579
57%
**07
93%
Lovex S065
<<locked>>
85%
57029
89%
**56
100%
Lovex S070
<<locked>>
86%
57363
90%
**86
100%
Lovex S071
<<locked>>
97%
52489
82%
**17
100%
Norma 204
<<locked>>
87%
57377
90%
**28
99%
Norma 217
<<locked>>
97%
36666
57%
**43
96%
Norma MRP 👍
<<locked>>
92%
56666
89%
**97
100%
Norma URP
<<locked>>
87%
57348
90%
**12
100%
Ramshot Hunter
<<locked>>
87%
56869
89%
**31
100%
Ramshot Magnum
<<locked>>
95%
56811
89%
**51
100%
ReloadSwiss RS 14
<<locked>>
97%
36448
57%
**09
100%
ReloadSwiss RS 60
<<locked>>
83%
56927
89%
**58
100%
ReloadSwiss RS 62
<<locked>>
86%
57217
90%
**22
100%
ReloadSwiss RS 70
<<locked>>
86%
56927
89%
**71
100%
ReloadSwiss RS 76
<<locked>>
97%
51097
80%
**81
100%
ReloadSwiss RS 80
<<locked>>
97%
45948
72%
**30
95%
Rottweil R 904
<<locked>>
90%
56927
89%
**95
99%
Rottweil R 905 👍
<<locked>>
92%
57246
90%
**38
99%
Rottweil R 907
<<locked>>
84%
57377
90%
**76
100%
SNPE Vectan Tubal 7000
<<locked>>
85%
56956
89%
**17
100%
Shooters World Long Rifle
<<locked>>
85%
57029
89%
**56
100%
Somchem S361
<<locked>>
90%
57377
90%
**72
98%
Somchem S365
<<locked>>
88%
57276
90%
**02
100%
Somchem S385
<<locked>>
92%
57421
90%
**12
100%
Vihtavuori N150
<<locked>>
87%
57363
90%
**13
100%
Vihtavuori N160
<<locked>>
84%
56971
89%
**69
100%
Vihtavuori N165
<<locked>>
97%
57072
89%
**86
100%
Vihtavuori N550
<<locked>>
84%
57348
90%
**15
100%
Vihtavuori N555
<<locked>>
92%
56971
89%
**31
100%
Vihtavuori N560
<<locked>>
94%
57000
89%
**97
98%
Vihtavuori N565
<<locked>>
97%
53998
85%
**25
98%
Vihtavuori N568
<<locked>>
97%
47079
74%
**40
95%
Winchester 6.5 StaBALL
<<locked>>
86%
57406
90%
**43
100%
Winchester StaBALL HD
<<locked>>
97%
57014
89%
**46
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
40727
64%
**33
96%
[ADI AR 2213]*
<<locked>>
81%
36390
57%
**51
92%
[ADI AR 2217]*
<<locked>>
86%
32169
50%
**23
90%
[ADI AR 2225]*
<<locked>>
84%
27050
42%
**08
90%
Accurate 3100
<<locked>>
81%
36579
57%
**05
97%
Accurate 4350
<<locked>>
81%
48965
77%
**67
100%
[Accurate MAGPRO]*
<<locked>>
81%
35839
56%
**57
90%
Alliant Reloder-16
<<locked>>
81%
46644
73%
**71
100%
Alliant Reloder-19
<<locked>>
81%
40741
64%
**36
96%
Alliant Reloder-22
<<locked>>
81%
36434
57%
**67
95%
Alliant Reloder-23
<<locked>>
81%
34969
55%
**31
100%
Alliant Reloder-25
<<locked>>
81%
30356
48%
**30
96%
Alliant Reloder-26
<<locked>>
81%
38508
60%
**72
99%
[Hodgdon H1000]*
<<locked>>
86%
32169
50%
**23
90%
Hodgdon H4350
<<locked>>
81%
44179
69%
**53
98%
[Hodgdon H4831]*
<<locked>>
81%
34069
53%
**52
91%
[Hodgdon H4831 SC]*
<<locked>>
81%
38145
60%
**51
93%
Hodgdon Hybrid 100V
<<locked>>
81%
43961
69%
**49
100%
Hodgdon LVR
<<locked>>
81%
51314
80%
**17
100%
[Hodgdon Retumbo]*
<<locked>>
84%
27050
42%
**08
90%
Hodgdon Superperformance
<<locked>>
81%
50372
79%
**49
99%
Hodgdon TrailBoss
<<locked>>
81%
28253
44%
**99
100%
IMR 4350
<<locked>>
81%
46499
73%
**95
98%
IMR 4451 Enduron
<<locked>>
81%
52721
83%
**94
100%
IMR 4831
<<locked>>
81%
42221
66%
**33
100%
[IMR 4955 Enduron]*
<<locked>>
81%
38261
60%
**25
93%
[IMR 7828 SSC]*
<<locked>>
81%
37260
58%
**84
93%
[IMR 8133 Enduron]*
<<locked>>
92%
31444
49%
**66
90%
Lovex S065
<<locked>>
81%
50038
78%
**44
100%
Lovex S070
<<locked>>
81%
48559
76%
**41
99%
Lovex S071
<<locked>>
81%
31357
49%
**67
95%
Norma 204
<<locked>>
81%
46746
73%
**41
98%
[Norma 217]*
<<locked>>
88%
27485
43%
**54
90%
Norma MRP
<<locked>>
81%
38058
60%
**36
97%
Norma URP
<<locked>>
81%
47863
75%
**61
100%
Ramshot Hunter
<<locked>>
81%
46673
73%
**54
99%
[Ramshot Magnum]*
<<locked>>
81%
33750
53%
**92
94%
ReloadSwiss RS 14
<<locked>>
81%
28906
45%
**42
100%
ReloadSwiss RS 60
<<locked>>
81%
52359
82%
**92
100%
ReloadSwiss RS 62
<<locked>>
81%
48878
77%
**97
100%
ReloadSwiss RS 70
<<locked>>
81%
47123
74%
**10
100%
[ReloadSwiss RS 76]*
<<locked>>
81%
28747
45%
**93
91%
[ReloadSwiss RS 80]*
<<locked>>
89%
34708
54%
**61
90%
Rottweil R 904
<<locked>>
81%
41959
66%
**10
95%
Rottweil R 905
<<locked>>
81%
40030
63%
**17
96%
Rottweil R 907
<<locked>>
81%
51358
80%
**77
99%
SNPE Vectan Tubal 7000
<<locked>>
81%
49226
77%
**92
99%
Shooters World Long Rifle
<<locked>>
81%
50038
78%
**44
100%
Somchem S361
<<locked>>
81%
42873
67%
**00
95%
Somchem S365
<<locked>>
81%
44744
70%
**05
100%
Somchem S385
<<locked>>
81%
40712
64%
**97
97%
Vihtavuori N150
<<locked>>
81%
47906
75%
**62
100%
Vihtavuori N160
<<locked>>
81%
51532
81%
**81
100%
[Vihtavuori N165]*
<<locked>>
81%
34316
54%
**36
94%
Vihtavuori N550
<<locked>>
81%
51924
81%
**20
100%
Vihtavuori N555
<<locked>>
81%
39349
62%
**17
100%
[Vihtavuori N560]*
<<locked>>
81%
36434
57%
**80
92%
[Vihtavuori N565]*
<<locked>>
82%
32111
50%
**43
90%
[Vihtavuori N568]*
<<locked>>
89%
36013
56%
**90
90%
Winchester 6.5 StaBALL
<<locked>>
81%
48588
76%
**05
100%
Winchester StaBALL HD
<<locked>>
81%
30864
48%
**41
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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