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Load data for .300 Weath. Mag. + .308 | 165gr | H&N RN H

Recommended Powder(s):

.300 Weath. Mag. + .308 | 165gr | H&N RN H

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 165gr | H&N RN H
Bullet Weight:
165gr | 10.7g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
0.980" | 24.9mm
Caliber:
.300 Weath. Mag. load data
Case Length (l3):
2.824" | 71.7mm
Cartridge Length (C.O.L.):
3.507" | 89.1mm
Seated Depth:
0.297" | 7.6mm
Shank Seated Depth:
0.278" | 7.1mm
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_B7409_C379
Last updated:
2025-01-01

Load data for 150 loads in caliber .300 Weath. Mag. with .308 | 165gr | H&N RN H bullet and 75 powder(s). 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%
56956
89%
**05
100%
ADI AR 2209
<<locked>>
95%
56811
89%
**97
99%
ADI AR 2213
<<locked>>
97%
53417
84%
**71
97%
[ADI AR 2225]*
<<locked>>
97%
33199
52%
**48
93%
Accurate 2700
<<locked>>
86%
57246
90%
**86
99%
Accurate 3100
<<locked>>
97%
51474
81%
**59
99%
Accurate 4064
<<locked>>
84%
56956
89%
**76
100%
Accurate 4350
<<locked>>
91%
57159
90%
**68
100%
Accurate MAGPRO
<<locked>>
97%
51909
81%
**54
95%
Alliant Reloder- TS 15.5
<<locked>>
85%
56898
89%
**18
100%
Alliant Reloder-16
<<locked>>
92%
56855
89%
**07
100%
Alliant Reloder-17
<<locked>>
87%
57246
90%
**10
100%
Alliant Reloder-19
<<locked>>
96%
57101
89%
**94
99%
Alliant Reloder-22
<<locked>>
97%
52562
82%
**64
98%
Alliant Reloder-23
<<locked>>
97%
49298
77%
**79
100%
Alliant Reloder-25
<<locked>>
97%
42670
67%
**94
99%
Alliant Reloder-26 👍
<<locked>>
97%
57406
90%
**96
100%
Hodgdon H380
<<locked>>
84%
57159
90%
**41
100%
Hodgdon H414
<<locked>>
86%
56768
89%
**84
100%
Hodgdon H4350
<<locked>>
93%
56971
89%
**38
99%
Hodgdon H4831
<<locked>>
97%
48820
77%
**30
95%
Hodgdon H4831 SC
<<locked>>
97%
56144
88%
**58
97%
Hodgdon Hybrid 100V
<<locked>>
94%
56710
89%
**25
100%
Hodgdon LVR
<<locked>>
89%
57130
90%
**68
100%
[Hodgdon Retumbo]*
<<locked>>
97%
33199
52%
**48
93%
Hodgdon Superperformance
<<locked>>
89%
56971
89%
**14
99%
Hodgdon VARGET
<<locked>>
85%
56956
89%
**05
100%
Hodgdon TrailBoss
<<locked>>
97%
34766
54%
**80
100%
IMR 4064
<<locked>>
86%
57159
90%
**09
100%
IMR 4166 Enduron
<<locked>>
87%
57130
90%
**09
100%
IMR 4350
<<locked>>
92%
57406
90%
**38
99%
IMR 4451 Enduron
<<locked>>
88%
57188
90%
**31
100%
IMR 4831 👍
<<locked>>
96%
56840
89%
**45
100%
IMR 4955 Enduron
<<locked>>
97%
54563
86%
**95
97%
IMR 7828 SSC
<<locked>>
97%
54781
86%
**04
97%
Lovex S062
<<locked>>
84%
57043
89%
**92
100%
Lovex S065
<<locked>>
90%
57203
90%
**18
100%
Lovex S070
<<locked>>
91%
56942
89%
**41
100%
Lovex S071
<<locked>>
97%
42757
67%
**95
98%
Norma 203B
<<locked>>
83%
57087
89%
**38
100%
Norma 204
<<locked>>
91%
57072
89%
**84
99%
Norma MRP
<<locked>>
97%
56057
88%
**53
100%
Norma URP
<<locked>>
91%
56942
89%
**74
100%
Ramshot Hunter 👍
<<locked>>
92%
57305
90%
**91
100%
Ramshot Magnum
<<locked>>
97%
51126
80%
**18
99%
ReloadSwiss RS 14
<<locked>>
96%
35201
55%
**19
100%
ReloadSwiss RS 50
<<locked>>
84%
56942
89%
**22
100%
ReloadSwiss RS 60
<<locked>>
88%
57377
90%
**36
100%
ReloadSwiss RS 62
<<locked>>
90%
56869
89%
**81
100%
ReloadSwiss RS 70 👍
<<locked>>
91%
56869
89%
**36
100%
ReloadSwiss RS 76
<<locked>>
97%
41147
64%
**00
97%
Rottweil R 903
<<locked>>
86%
57159
90%
**18
100%
Rottweil R 904
<<locked>>
95%
57116
90%
**48
98%
Rottweil R 905
<<locked>>
97%
57421
90%
**00
99%
Rottweil R 907
<<locked>>
89%
57145
90%
**25
99%
SNPE Vectan SP 11
<<locked>>
85%
57290
90%
**51
100%
SNPE Vectan Tubal 5000
<<locked>>
86%
56855
89%
**87
100%
SNPE Vectan Tubal 7000
<<locked>>
90%
57276
90%
**79
100%
Shooters World Long Rifle
<<locked>>
90%
57203
90%
**18
100%
Shooters World Precision
<<locked>>
84%
57043
89%
**92
100%
Somchem S355
<<locked>>
86%
57203
90%
**12
100%
Somchem S361
<<locked>>
94%
56898
89%
**15
97%
Somchem S365
<<locked>>
93%
57232
90%
**77
100%
Somchem S385
<<locked>>
96%
57058
89%
**54
99%
Vihtavuori N135
<<locked>>
88%
57421
90%
**30
100%
Vihtavuori N150
<<locked>>
91%
57246
90%
**72
100%
Vihtavuori N160
<<locked>>
88%
56753
89%
**31
100%
Vihtavuori N165
<<locked>>
97%
48718
76%
**04
98%
Vihtavuori N550
<<locked>>
88%
56869
89%
**64
100%
Vihtavuori N555 👍
<<locked>>
97%
54650
86%
**64
100%
Vihtavuori N560
<<locked>>
97%
52649
82%
**74
96%
[Vihtavuori N565]*
<<locked>>
97%
43903
69%
**84
94%
Winchester 6.5 StaBALL
<<locked>>
90%
57276
90%
**05
100%
Winchester 760
<<locked>>
86%
56768
89%
**84
100%
Winchester StaBALL HD
<<locked>>
97%
45701
72%
**48
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
49893
78%
**00
100%
[ADI AR 2209]*
<<locked>>
81%
34185
54%
**21
92%
[ADI AR 2213]*
<<locked>>
86%
35534
56%
**80
90%
[ADI AR 2225]*
<<locked>>
94%
29675
47%
**43
90%
Accurate 2700
<<locked>>
81%
47848
75%
**22
98%
[Accurate 3100]*
<<locked>>
81%
28456
45%
**38
92%
Accurate 4064
<<locked>>
81%
51561
81%
**90
100%
Accurate 4350
<<locked>>
81%
39958
63%
**62
99%
[Accurate MAGPRO]*
<<locked>>
90%
39595
62%
**02
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
50430
79%
**20
100%
Alliant Reloder-16
<<locked>>
81%
39291
62%
**85
99%
Alliant Reloder-17
<<locked>>
81%
45455
71%
**23
100%
[Alliant Reloder-19]*
<<locked>>
81%
33881
53%
**12
92%
[Alliant Reloder-22]*
<<locked>>
83%
31372
49%
**79
90%
Alliant Reloder-23
<<locked>>
81%
28007
44%
**87
96%
[Alliant Reloder-25]*
<<locked>>
83%
26092
41%
**28
90%
Alliant Reloder-26
<<locked>>
81%
30385
48%
**15
95%
Hodgdon H380
<<locked>>
81%
51140
80%
**43
100%
Hodgdon H414
<<locked>>
81%
46630
73%
**07
98%
Hodgdon H4350
<<locked>>
81%
37753
59%
**61
95%
[Hodgdon H4831]*
<<locked>>
88%
35940
56%
**48
90%
[Hodgdon H4831 SC]*
<<locked>>
85%
35940
56%
**48
90%
Hodgdon Hybrid 100V
<<locked>>
81%
36521
57%
**54
99%
Hodgdon LVR
<<locked>>
81%
43381
68%
**31
99%
[Hodgdon Retumbo]*
<<locked>>
94%
29675
47%
**43
90%
Hodgdon Superperformance
<<locked>>
81%
41989
66%
**41
97%
Hodgdon VARGET
<<locked>>
81%
49371
77%
**87
100%
Hodgdon TrailBoss
<<locked>>
81%
27369
43%
**16
100%
IMR 4064
<<locked>>
81%
48791
76%
**71
100%
IMR 4166 Enduron
<<locked>>
81%
47732
75%
**44
98%
IMR 4350
<<locked>>
81%
39958
63%
**10
96%
IMR 4451 Enduron
<<locked>>
81%
46238
72%
**38
98%
IMR 4831
<<locked>>
81%
34635
54%
**21
97%
[IMR 4955 Enduron]*
<<locked>>
84%
35317
55%
**98
90%
[IMR 7828 SSC]*
<<locked>>
85%
35404
55%
**90
90%
Lovex S062
<<locked>>
81%
52402
82%
**17
100%
Lovex S065
<<locked>>
81%
42772
67%
**59
98%
Lovex S070
<<locked>>
81%
40959
64%
**40
97%
[Lovex S071]*
<<locked>>
83%
25498
40%
**46
90%
Norma 203B
<<locked>>
81%
53185
83%
**79
100%
[Norma 204]*
<<locked>>
81%
39595
62%
**46
94%
[Norma MRP]*
<<locked>>
81%
30676
48%
**82
92%
Norma URP
<<locked>>
81%
40001
63%
**62
99%
Ramshot Hunter
<<locked>>
81%
39131
61%
**46
97%
[Ramshot Magnum]*
<<locked>>
84%
29878
47%
**23
90%
ReloadSwiss RS 14
<<locked>>
81%
27789
44%
**55
100%
ReloadSwiss RS 50
<<locked>>
81%
51227
80%
**23
99%
ReloadSwiss RS 60
<<locked>>
81%
43772
69%
**10
100%
ReloadSwiss RS 62
<<locked>>
81%
40379
63%
**89
99%
ReloadSwiss RS 70
<<locked>>
81%
39276
62%
**99
98%
[ReloadSwiss RS 76]*
<<locked>>
89%
30313
47%
**89
90%
Rottweil R 903
<<locked>>
81%
47398
74%
**64
100%
[Rottweil R 904]*
<<locked>>
81%
35578
56%
**15
91%
[Rottweil R 905]*
<<locked>>
81%
32851
51%
**85
91%
Rottweil R 907
<<locked>>
81%
44208
69%
**92
97%
SNPE Vectan SP 11
<<locked>>
81%
49617
78%
**36
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
49124
77%
**76
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
42090
66%
**10
97%
Shooters World Long Rifle
<<locked>>
81%
42772
67%
**59
98%
Shooters World Precision
<<locked>>
81%
52402
82%
**17
100%
Somchem S355
<<locked>>
81%
47630
75%
**61
100%
[Somchem S361]*
<<locked>>
81%
36085
57%
**92
90%
Somchem S365
<<locked>>
81%
36564
57%
**07
100%
[Somchem S385]*
<<locked>>
81%
33185
52%
**75
93%
Vihtavuori N135
<<locked>>
81%
46325
73%
**69
100%
Vihtavuori N150
<<locked>>
81%
40857
64%
**97
100%
Vihtavuori N160
<<locked>>
81%
43671
68%
**05
99%
[Vihtavuori N165]*
<<locked>>
83%
29472
46%
**64
90%
Vihtavuori N550
<<locked>>
81%
43976
69%
**41
99%
Vihtavuori N555
<<locked>>
81%
31082
49%
**62
96%
[Vihtavuori N560]*
<<locked>>
87%
36361
57%
**26
90%
[Vihtavuori N565]*
<<locked>>
91%
34751
54%
**77
90%
Winchester 6.5 StaBALL
<<locked>>
81%
41118
64%
**40
100%
Winchester 760
<<locked>>
81%
46630
73%
**07
98%
[Winchester StaBALL HD]*
<<locked>>
81%
22568
35%
**38
94%

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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