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

Recommended Powder(s):

.300 Win. 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 Win. Mag. load data
Case Length (l3):
2.620" | 66.5mm
Cartridge Length (C.O.L.):
3.290" | 83.6mm
Seated Depth:
0.310" | 7.9mm
Shank Seated Depth:
0.290" | 7.4mm
Case Capacity:
90.5 Grains of Water | 5.88 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
62366 psi | 4300 bar
LID:
LID_B7409_C380
Last updated:
2025-12-22

Load data for 178 loads in caliber .300 Win. Mag. with .308 | 165gr | H&N RN H bullet and 89 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".

  • No data yet

  • 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>>
88%
55825
90%
**53
100%
ADI AR 2209
<<locked>>
97%
52504
84%
**89
97%
[ADI AR 2213]*
<<locked>>
97%
47050
75%
**07
94%
Accurate 2700
<<locked>>
88%
55637
89%
**10
98%
Accurate 3100
<<locked>>
97%
44164
71%
**99
98%
Accurate 4064
<<locked>>
87%
55796
89%
**30
100%
Accurate 4350 👍
<<locked>>
94%
56014
90%
**25
100%
Alliant Reloder- TS 15.5
<<locked>>
87%
55608
89%
**63
100%
Alliant Reloder-15
<<locked>>
85%
55463
89%
**82
100%
Alliant Reloder-16 👍
<<locked>>
95%
55550
89%
**54
100%
Alliant Reloder-17
<<locked>>
90%
55332
89%
**61
100%
Alliant Reloder-19
<<locked>>
97%
51416
82%
**63
97%
Alliant Reloder-22
<<locked>>
97%
45556
73%
**04
96%
Alliant Reloder-23
<<locked>>
97%
42801
69%
**41
100%
Alliant Reloder-25
<<locked>>
97%
36825
59%
**30
96%
Alliant Reloder-26
<<locked>>
97%
48936
78%
**22
100%
[Bofors RP15]*
<<locked>>
97%
41495
67%
**12
94%
Bofors RP3
<<locked>>
87%
55651
89%
**66
100%
Bofors RP5
<<locked>>
97%
45556
73%
**04
96%
Bofors RP7
<<locked>>
91%
56115
90%
**63
99%
Hodgdon CFE223
<<locked>>
85%
55825
90%
**12
100%
Hodgdon H380
<<locked>>
87%
55550
89%
**76
100%
Hodgdon H414
<<locked>>
89%
55738
89%
**31
99%
Hodgdon H4350
<<locked>>
96%
55738
89%
**72
99%
[Hodgdon H4831]*
<<locked>>
97%
42902
69%
**72
92%
[Hodgdon H4831 SC]*
<<locked>>
97%
49443
79%
**04
94%
Hodgdon Hybrid 100V
<<locked>>
97%
55825
90%
**76
100%
Hodgdon LVR
<<locked>>
92%
56130
90%
**15
100%
Hodgdon Superperformance
<<locked>>
92%
56101
90%
**64
99%
Hodgdon VARGET
<<locked>>
88%
55550
89%
**53
100%
Hodgdon TrailBoss
<<locked>>
97%
34229
55%
**21
100%
IMR 3031
<<locked>>
84%
55753
89%
**36
100%
IMR 4064
<<locked>>
88%
55782
89%
**46
100%
IMR 4166 Enduron
<<locked>>
89%
55970
90%
**40
99%
IMR 4350
<<locked>>
94%
55753
89%
**69
99%
IMR 4451 Enduron
<<locked>>
90%
55709
89%
**59
99%
IMR 4831
<<locked>>
97%
52301
84%
**49
100%
IMR 4895
<<locked>>
84%
55361
89%
**86
100%
[IMR 4955 Enduron]*
<<locked>>
97%
48341
78%
**38
94%
[IMR 7828 SSC]*
<<locked>>
97%
47543
76%
**30
94%
Lovex S060
<<locked>>
83%
56043
90%
**07
100%
Lovex S062
<<locked>>
86%
56115
90%
**36
100%
Lovex S065
<<locked>>
92%
56014
90%
**59
100%
Lovex S070
<<locked>>
94%
56028
90%
**86
99%
Lovex S071
<<locked>>
97%
36347
58%
**31
96%
Norma 201
<<locked>>
83%
55738
89%
**33
100%
Norma 203B
<<locked>>
85%
55405
89%
**79
100%
Norma 204
<<locked>>
94%
55593
89%
**05
98%
Norma MRP
<<locked>>
97%
48080
77%
**72
98%
Norma URP 👍
<<locked>>
94%
55680
89%
**18
100%
Ramshot Big Game
<<locked>>
85%
55970
90%
**99
100%
Ramshot Grand
<<locked>>
97%
50763
81%
**05
96%
Ramshot Hunter
<<locked>>
95%
55651
89%
**35
100%
Ramshot Magnum
<<locked>>
97%
43729
70%
**44
96%
ReloadSwiss RS 14
<<locked>>
96%
34374
55%
**54
100%
ReloadSwiss RS 50
<<locked>>
86%
55477
89%
**56
99%
ReloadSwiss RS 60
<<locked>>
88%
55811
89%
**71
100%
ReloadSwiss RS 62 👍
<<locked>>
94%
55941
90%
**45
100%
ReloadSwiss RS 70 👍
<<locked>>
94%
56115
90%
**94
100%
[ReloadSwiss RS 76]*
<<locked>>
97%
35346
57%
**10
93%
Rottweil R 902
<<locked>>
85%
56101
90%
**27
100%
Rottweil R 903
<<locked>>
89%
55912
90%
**66
100%
Rottweil R 904
<<locked>>
97%
54244
87%
**59
96%
Rottweil R 905
<<locked>>
97%
50459
81%
**46
97%
Rottweil R 907
<<locked>>
91%
56115
90%
**63
99%
SNPE Vectan SP 11
<<locked>>
88%
55390
89%
**95
100%
SNPE Vectan SP 9
<<locked>>
83%
56043
90%
**66
100%
SNPE Vectan Tubal 5000
<<locked>>
88%
56072
90%
**35
100%
SNPE Vectan Tubal 7000
<<locked>>
92%
55550
89%
**10
99%
Shooters World Long Rifle
<<locked>>
92%
56014
90%
**59
100%
Shooters World Precision
<<locked>>
86%
56115
90%
**36
100%
Somchem S335
<<locked>>
83%
55811
89%
**51
100%
Somchem S355
<<locked>>
89%
56072
90%
**66
100%
Somchem S361
<<locked>>
97%
55970
90%
**49
96%
Somchem S365
<<locked>>
96%
55390
89%
**31
100%
Somchem S385
<<locked>>
97%
51358
82%
**33
98%
Vihtavuori N133
<<locked>>
85%
55767
89%
**25
100%
Vihtavuori N135
<<locked>>
90%
55753
89%
**81
100%
Vihtavuori N140
<<locked>>
85%
55492
89%
**84
100%
Vihtavuori N150
<<locked>>
94%
56101
90%
**27
100%
Vihtavuori N160
<<locked>>
92%
56028
90%
**79
100%
Vihtavuori N165
<<locked>>
97%
42453
68%
**46
95%
Vihtavuori N540
<<locked>>
85%
55840
90%
**20
100%
Vihtavuori N550
<<locked>>
91%
55709
89%
**12
100%
Vihtavuori N555
<<locked>>
97%
47645
76%
**23
100%
[Vihtavuori N560]*
<<locked>>
97%
45542
73%
**00
93%
Winchester 6.5 StaBALL
<<locked>>
93%
55448
89%
**46
100%
Winchester 760
<<locked>>
89%
55738
89%
**31
99%
Winchester StaBALL HD
<<locked>>
97%
36666
59%
**61
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
45049
72%
**69
99%
[ADI AR 2209]*
<<locked>>
84%
33446
54%
**69
90%
[ADI AR 2213]*
<<locked>>
91%
38043
61%
**94
90%
Accurate 2700
<<locked>>
81%
43149
69%
**84
96%
[Accurate 3100]*
<<locked>>
83%
26353
42%
**62
90%
Accurate 4064
<<locked>>
81%
45803
73%
**76
100%
Accurate 4350
<<locked>>
81%
34650
56%
**08
97%
Alliant Reloder- TS 15.5
<<locked>>
81%
45266
73%
**95
100%
Alliant Reloder-15
<<locked>>
81%
48443
78%
**67
100%
Alliant Reloder-16
<<locked>>
81%
34940
56%
**41
97%
Alliant Reloder-17
<<locked>>
81%
39784
64%
**79
100%
[Alliant Reloder-19]*
<<locked>>
84%
33025
53%
**62
90%
[Alliant Reloder-22]*
<<locked>>
88%
32866
53%
**95
90%
[Alliant Reloder-23]*
<<locked>>
81%
24424
39%
**46
93%
[Alliant Reloder-25]*
<<locked>>
88%
27195
44%
**31
90%
[Alliant Reloder-26]*
<<locked>>
81%
25991
42%
**41
91%
[Bofors RP15]*
<<locked>>
90%
33127
53%
**98
90%
Bofors RP3
<<locked>>
81%
44991
72%
**95
100%
[Bofors RP5]*
<<locked>>
88%
32866
53%
**95
90%
Bofors RP7
<<locked>>
81%
39784
64%
**54
95%
Hodgdon CFE223
<<locked>>
81%
48066
77%
**87
100%
Hodgdon H380
<<locked>>
81%
45745
73%
**05
99%
Hodgdon H414
<<locked>>
81%
41046
66%
**59
96%
[Hodgdon H4350]*
<<locked>>
81%
33634
54%
**23
92%
[Hodgdon H4831]*
<<locked>>
93%
38348
61%
**67
90%
[Hodgdon H4831 SC]*
<<locked>>
90%
38348
61%
**67
90%
Hodgdon Hybrid 100V
<<locked>>
81%
32039
51%
**23
98%
Hodgdon LVR
<<locked>>
81%
38348
61%
**84
97%
[Hodgdon Superperformance]*
<<locked>>
81%
36767
59%
**87
94%
Hodgdon VARGET
<<locked>>
81%
44686
72%
**66
99%
Hodgdon TrailBoss
<<locked>>
81%
27079
43%
**67
100%
IMR 3031
<<locked>>
81%
49719
80%
**41
100%
IMR 4064
<<locked>>
81%
44193
71%
**49
100%
IMR 4166 Enduron
<<locked>>
81%
43395
70%
**13
97%
[IMR 4350]*
<<locked>>
81%
35636
57%
**75
93%
IMR 4451 Enduron
<<locked>>
81%
41597
67%
**94
96%
IMR 4831
<<locked>>
81%
30298
49%
**77
95%
IMR 4895
<<locked>>
81%
49676
80%
**90
100%
[IMR 4955 Enduron]*
<<locked>>
89%
37405
60%
**08
90%
[IMR 7828 SSC]*
<<locked>>
90%
37318
60%
**00
90%
Lovex S060
<<locked>>
81%
52417
84%
**51
100%
Lovex S062
<<locked>>
81%
47108
76%
**99
100%
Lovex S065
<<locked>>
81%
38305
61%
**31
97%
Lovex S070
<<locked>>
81%
36608
59%
**02
95%
[Lovex S071]*
<<locked>>
88%
26353
42%
**62
90%
Norma 201
<<locked>>
81%
51358
82%
**61
100%
Norma 203B
<<locked>>
81%
47718
77%
**48
100%
[Norma 204]*
<<locked>>
81%
34896
56%
**92
91%
[Norma MRP]*
<<locked>>
85%
30385
49%
**49
90%
Norma URP
<<locked>>
81%
35302
57%
**18
97%
Ramshot Big Game
<<locked>>
81%
48269
77%
**67
100%
[Ramshot Grand]*
<<locked>>
89%
37260
60%
**07
90%
[Ramshot Hunter]*
<<locked>>
81%
34200
55%
**05
94%
[Ramshot Magnum]*
<<locked>>
89%
32010
51%
**49
90%
ReloadSwiss RS 14
<<locked>>
81%
27224
44%
**99
100%
ReloadSwiss RS 50
<<locked>>
81%
46006
74%
**95
98%
ReloadSwiss RS 60
<<locked>>
81%
42467
68%
**44
100%
ReloadSwiss RS 62
<<locked>>
81%
34795
56%
**38
96%
ReloadSwiss RS 70
<<locked>>
81%
34301
55%
**41
96%
[ReloadSwiss RS 76]*
<<locked>>
94%
32068
51%
**08
90%
Rottweil R 902
<<locked>>
81%
48921
78%
**15
100%
Rottweil R 903
<<locked>>
81%
42090
67%
**30
100%
[Rottweil R 904]*
<<locked>>
85%
35737
57%
**85
90%
[Rottweil R 905]*
<<locked>>
84%
32198
52%
**43
90%
Rottweil R 907
<<locked>>
81%
39784
64%
**54
95%
SNPE Vectan SP 11
<<locked>>
81%
43961
70%
**92
100%
SNPE Vectan SP 9
<<locked>>
81%
51779
83%
**97
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
44324
71%
**61
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
37724
60%
**79
95%
Shooters World Long Rifle
<<locked>>
81%
38305
61%
**31
97%
Shooters World Precision
<<locked>>
81%
47108
76%
**99
100%
Somchem S335
<<locked>>
81%
52243
84%
**95
100%
Somchem S355
<<locked>>
81%
42583
68%
**30
100%
[Somchem S361]*
<<locked>>
86%
37971
61%
**05
90%
Somchem S365
<<locked>>
81%
31430
50%
**66
99%
[Somchem S385]*
<<locked>>
82%
29950
48%
**61
90%
Vihtavuori N133
<<locked>>
81%
50024
80%
**43
100%
Vihtavuori N135
<<locked>>
81%
41423
66%
**51
100%
Vihtavuori N140
<<locked>>
81%
49066
79%
**85
100%
Vihtavuori N150
<<locked>>
81%
36216
58%
**75
100%
Vihtavuori N160
<<locked>>
81%
38305
61%
**54
98%
[Vihtavuori N165]*
<<locked>>
88%
31009
50%
**77
90%
Vihtavuori N540
<<locked>>
81%
48892
78%
**12
100%
Vihtavuori N550
<<locked>>
81%
38885
62%
**07
98%
[Vihtavuori N555]*
<<locked>>
81%
26571
43%
**25
93%
[Vihtavuori N560]*
<<locked>>
92%
38522
62%
**46
90%
Winchester 6.5 StaBALL
<<locked>>
81%
36274
58%
**08
99%
Winchester 760
<<locked>>
81%
41046
66%
**59
96%
[Winchester StaBALL HD]*
<<locked>>
82%
22452
36%
**20
90%

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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