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Load data for .300 Weath. Mag. + .308 | 180gr | H&N RN HS

Recommended Powder(s): Alliant Reloder-26, Ramshot Hunter, Somchem S385, Vihtavuori N555, Winchester StaBALL HD

.300 Weath. Mag. + .308 | 180gr | H&N RN HS

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 180gr | H&N RN HS
Bullet Weight:
180gr | 11.7g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.044" | 26.5mm
Caliber:
.300 Weath. Mag. load data
Case Length (l3):
2.824" | 71.7mm
Cartridge Length (C.O.L.):
3.507" | 89.1mm
Seated Depth:
0.361" | 9.2mm
Shank Seated Depth:
0.342" | 8.7mm
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_B7411_C379
Last updated:
2025-01-01

Load data for 146 loads in caliber .300 Weath. Mag. with .308 | 180gr | H&N RN HS bullet and 73 powders such as Alliant Reloder-26, Ramshot Hunter, Somchem S385, 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>>
84%
57435
90%
**97
100%
ADI AR 2209
<<locked>>
94%
56811
89%
**82
99%
ADI AR 2213
<<locked>>
97%
56217
88%
**05
98%
[ADI AR 2217]*
<<locked>>
97%
40393
63%
**00
94%
ADI AR 2225
<<locked>>
97%
35650
56%
**38
96%
Accurate 2700
<<locked>>
85%
57334
90%
**71
100%
Accurate 3100
<<locked>>
97%
55085
86%
**04
100%
Accurate 4350
<<locked>>
89%
56985
89%
**53
100%
Accurate MAGPRO
<<locked>>
97%
55187
86%
**05
97%
Alliant Reloder- TS 15.5
<<locked>>
83%
56942
89%
**97
100%
Alliant Reloder-16
<<locked>>
90%
57029
89%
**89
100%
Alliant Reloder-17
<<locked>>
85%
57217
90%
**92
100%
Alliant Reloder-19
<<locked>>
94%
57174
90%
**82
99%
Alliant Reloder-22
<<locked>>
97%
55637
87%
**99
99%
Alliant Reloder-23
<<locked>>
97%
52591
82%
**13
100%
Alliant Reloder-25
<<locked>>
97%
45310
71%
**51
100%
Alliant Reloder-26 👍
<<locked>>
95%
57421
90%
**71
100%
[Hodgdon H1000]*
<<locked>>
97%
40393
63%
**00
94%
Hodgdon H414
<<locked>>
85%
57305
90%
**86
100%
Hodgdon H4350
<<locked>>
92%
56942
89%
**27
100%
Hodgdon H4831
<<locked>>
97%
51634
81%
**74
97%
Hodgdon H4831 SC
<<locked>>
96%
56797
89%
**59
98%
Hodgdon Hybrid 100V
<<locked>>
92%
56956
89%
**07
100%
Hodgdon LVR
<<locked>>
87%
56753
89%
**49
100%
Hodgdon Retumbo
<<locked>>
97%
35650
56%
**38
96%
Hodgdon Superperformance
<<locked>>
87%
57246
90%
**02
100%
Hodgdon VARGET
<<locked>>
84%
57101
89%
**97
100%
Hodgdon TrailBoss
<<locked>>
97%
35099
55%
**01
100%
IMR 4064
<<locked>>
85%
57319
90%
**87
100%
IMR 4166 Enduron
<<locked>>
85%
56884
89%
**90
100%
IMR 4350
<<locked>>
90%
56971
89%
**27
100%
IMR 4451 Enduron
<<locked>>
86%
57188
90%
**13
100%
IMR 4831
<<locked>>
94%
57363
90%
**40
100%
IMR 4955 Enduron
<<locked>>
97%
56869
89%
**27
98%
IMR 7828 SSC
<<locked>>
96%
57261
90%
**41
99%
Lovex S065
<<locked>>
88%
57043
89%
**07
100%
Lovex S070
<<locked>>
89%
56855
89%
**23
100%
Lovex S071
<<locked>>
97%
45194
71%
**40
99%
Norma 204
<<locked>>
89%
56855
89%
**63
99%
[Norma 217]*
<<locked>>
97%
31009
49%
**33
93%
Norma MRP
<<locked>>
96%
57363
90%
**48
100%
Norma URP
<<locked>>
90%
57072
89%
**56
100%
Ramshot Hunter 👍
<<locked>>
90%
57305
90%
**72
100%
Ramshot Magnum
<<locked>>
97%
55114
86%
**76
100%
ReloadSwiss RS 14
<<locked>>
97%
35607
56%
**44
100%
ReloadSwiss RS 60
<<locked>>
86%
56797
89%
**09
100%
ReloadSwiss RS 62
<<locked>>
89%
56927
89%
**69
100%
ReloadSwiss RS 70
<<locked>>
89%
57029
89%
**18
100%
ReloadSwiss RS 76
<<locked>>
97%
44222
69%
**77
99%
Rottweil R 903
<<locked>>
85%
57043
89%
**97
100%
Rottweil R 904
<<locked>>
93%
56739
89%
**30
98%
Rottweil R 905
<<locked>>
95%
57406
90%
**86
99%
Rottweil R 907
<<locked>>
87%
57145
90%
**13
100%
SNPE Vectan SP 11
<<locked>>
83%
56942
89%
**30
100%
SNPE Vectan Tubal 5000
<<locked>>
84%
57217
90%
**69
100%
SNPE Vectan Tubal 7000
<<locked>>
89%
57232
90%
**67
100%
Shooters World Long Rifle
<<locked>>
88%
57043
89%
**07
100%
Somchem S355
<<locked>>
85%
56927
89%
**90
100%
Somchem S361
<<locked>>
92%
56869
89%
**00
98%
Somchem S365
<<locked>>
91%
56652
89%
**46
100%
Somchem S385 👍
<<locked>>
95%
57058
89%
**49
100%
Vihtavuori N135
<<locked>>
86%
56942
89%
**99
100%
Vihtavuori N150
<<locked>>
90%
57276
90%
**54
100%
Vihtavuori N160
<<locked>>
87%
57145
90%
**17
100%
Vihtavuori N165
<<locked>>
97%
51648
81%
**48
99%
Vihtavuori N550
<<locked>>
87%
57290
90%
**59
100%
Vihtavuori N555 👍
<<locked>>
96%
56710
89%
**69
100%
Vihtavuori N560
<<locked>>
97%
56478
89%
**31
98%
Vihtavuori N565
<<locked>>
97%
47485
74%
**58
96%
[Vihtavuori N568]*
<<locked>>
97%
41002
64%
**62
92%
Winchester 6.5 StaBALL
<<locked>>
88%
56927
89%
**77
100%
Winchester 760
<<locked>>
85%
57305
90%
**86
100%
Winchester StaBALL HD 👍
<<locked>>
97%
49893
78%
**79
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
52185
82%
**15
100%
[ADI AR 2209]*
<<locked>>
81%
36158
57%
**72
94%
[ADI AR 2213]*
<<locked>>
82%
32706
51%
**10
90%
[ADI AR 2217]*
<<locked>>
91%
32837
51%
**00
90%
[ADI AR 2225]*
<<locked>>
90%
27688
43%
**92
90%
Accurate 2700
<<locked>>
81%
50227
79%
**53
99%
Accurate 3100
<<locked>>
81%
30618
48%
**08
95%
Accurate 4350
<<locked>>
81%
42540
67%
**07
100%
[Accurate MAGPRO]*
<<locked>>
86%
36956
58%
**35
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
52968
83%
**35
100%
Alliant Reloder-16
<<locked>>
81%
41858
66%
**33
100%
Alliant Reloder-17
<<locked>>
81%
48457
76%
**58
100%
[Alliant Reloder-19]*
<<locked>>
81%
35911
56%
**66
94%
[Alliant Reloder-22]*
<<locked>>
81%
31401
49%
**90
92%
Alliant Reloder-23
<<locked>>
81%
30139
47%
**61
98%
[Alliant Reloder-25]*
<<locked>>
81%
26020
41%
**36
92%
Alliant Reloder-26
<<locked>>
81%
32750
51%
**82
97%
[Hodgdon H1000]*
<<locked>>
91%
32837
51%
**00
90%
Hodgdon H414
<<locked>>
81%
49414
77%
**48
99%
Hodgdon H4350
<<locked>>
81%
39987
63%
**12
97%
[Hodgdon H4831]*
<<locked>>
84%
33707
53%
**00
90%
[Hodgdon H4831 SC]*
<<locked>>
81%
33939
53%
**03
90%
Hodgdon Hybrid 100V
<<locked>>
81%
39015
61%
**05
100%
Hodgdon LVR
<<locked>>
81%
45847
72%
**66
100%
[Hodgdon Retumbo]*
<<locked>>
90%
27688
43%
**92
90%
Hodgdon Superperformance
<<locked>>
81%
44904
70%
**99
98%
Hodgdon VARGET
<<locked>>
81%
51837
81%
**12
100%
Hodgdon TrailBoss
<<locked>>
81%
27572
43%
**44
100%
IMR 4064
<<locked>>
81%
51343
80%
**99
100%
IMR 4166 Enduron
<<locked>>
81%
49879
78%
**69
99%
IMR 4350
<<locked>>
81%
42134
66%
**61
97%
IMR 4451 Enduron
<<locked>>
81%
48370
76%
**62
99%
IMR 4831
<<locked>>
81%
36724
58%
**66
99%
[IMR 4955 Enduron]*
<<locked>>
81%
34040
53%
**67
91%
[IMR 7828 SSC]*
<<locked>>
81%
32692
51%
**23
90%
Lovex S065
<<locked>>
81%
45252
71%
**03
99%
Lovex S070
<<locked>>
81%
43468
68%
**90
98%
[Lovex S071]*
<<locked>>
81%
25889
41%
**77
92%
Norma 204
<<locked>>
81%
41959
66%
**94
96%
[Norma 217]*
<<locked>>
94%
28282
44%
**48
90%
[Norma MRP]*
<<locked>>
81%
32866
52%
**56
94%
Norma URP
<<locked>>
81%
42685
67%
**13
100%
Ramshot Hunter
<<locked>>
81%
41553
65%
**03
98%
[Ramshot Magnum]*
<<locked>>
81%
28601
45%
**95
91%
ReloadSwiss RS 14
<<locked>>
81%
28065
44%
**80
100%
ReloadSwiss RS 60
<<locked>>
81%
46601
73%
**48
100%
ReloadSwiss RS 62
<<locked>>
81%
43105
68%
**40
100%
ReloadSwiss RS 70
<<locked>>
81%
41843
66%
**53
99%
[ReloadSwiss RS 76]*
<<locked>>
85%
28094
44%
**28
90%
Rottweil R 903
<<locked>>
81%
50212
79%
**99
100%
[Rottweil R 904]*
<<locked>>
81%
37536
59%
**62
93%
[Rottweil R 905]*
<<locked>>
81%
34983
55%
**52
94%
Rottweil R 907
<<locked>>
81%
46485
73%
**26
98%
SNPE Vectan SP 11
<<locked>>
81%
52344
82%
**61
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
51198
80%
**90
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
44106
69%
**54
98%
Shooters World Long Rifle
<<locked>>
81%
45252
71%
**03
99%
Somchem S355
<<locked>>
81%
50401
79%
**95
100%
[Somchem S361]*
<<locked>>
81%
38203
60%
**59
93%
Somchem S365
<<locked>>
81%
39117
61%
**57
100%
Somchem S385
<<locked>>
81%
35288
55%
**30
95%
Vihtavuori N135
<<locked>>
81%
48863
77%
**87
100%
Vihtavuori N150
<<locked>>
81%
42917
67%
**28
100%
Vihtavuori N160
<<locked>>
81%
46195
72%
**40
100%
[Vihtavuori N165]*
<<locked>>
81%
29559
46%
**72
92%
Vihtavuori N550
<<locked>>
81%
46485
73%
**76
100%
Vihtavuori N555
<<locked>>
81%
33562
53%
**36
98%
[Vihtavuori N560]*
<<locked>>
83%
33750
53%
**66
90%
[Vihtavuori N565]*
<<locked>>
87%
32489
51%
**16
90%
[Vihtavuori N568]*
<<locked>>
94%
36492
57%
**54
90%
Winchester 6.5 StaBALL
<<locked>>
81%
43439
68%
**71
100%
Winchester 760
<<locked>>
81%
49414
77%
**48
99%
Winchester StaBALL HD
<<locked>>
81%
25121
39%
**34
98%

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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