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Load data for .300 Win. Mag. + .308 | 200gr | H&N RN HS

Recommended Powder(s): Alliant Reloder-26, Norma 204, Ramshot Hunter, Somchem S385, Vihtavuori N555

.300 Win. Mag. + .308 | 200gr | H&N RN HS

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 200gr | H&N RN HS
Bullet Weight:
200gr | 13.0g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.210" | 30.7mm
Caliber:
.300 Win. Mag. load data
Case Length (l3):
2.620" | 66.5mm
Cartridge Length (C.O.L.):
3.290" | 83.6mm
Seated Depth:
0.540" | 13.7mm
Shank Seated Depth:
0.520" | 13.2mm
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_B7412_C380
Last updated:
2025-01-01

Load data for 148 loads in caliber .300 Win. Mag. with .308 | 200gr | H&N RN HS bullet and 74 powders such as Alliant Reloder-26, Norma 204, Ramshot Hunter, Somchem S385, 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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  • 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%
55883
90%
**90
100%
ADI AR 2209
<<locked>>
95%
55288
89%
**82
99%
ADI AR 2213
<<locked>>
97%
52707
85%
**85
98%
[ADI AR 2217]*
<<locked>>
97%
38058
61%
**87
94%
ADI AR 2225
<<locked>>
97%
33170
53%
**31
95%
Accurate 2700
<<locked>>
85%
55521
89%
**61
100%
Accurate 3100
<<locked>>
97%
51227
82%
**77
100%
Accurate 4064
<<locked>>
83%
55796
89%
**57
100%
Accurate 4350
<<locked>>
90%
55941
90%
**56
100%
Accurate MAGPRO
<<locked>>
97%
51010
82%
**72
96%
Alliant Reloder- TS 15.5
<<locked>>
84%
55680
89%
**94
100%
Alliant Reloder-16
<<locked>>
91%
55288
89%
**82
100%
Alliant Reloder-17
<<locked>>
86%
55477
89%
**89
100%
Alliant Reloder-19
<<locked>>
95%
55970
90%
**95
99%
Alliant Reloder-22
<<locked>>
97%
52011
83%
**69
99%
Alliant Reloder-23
<<locked>>
97%
49269
79%
**00
100%
Alliant Reloder-25
<<locked>>
97%
42395
68%
**35
100%
Alliant Reloder-26 👍
<<locked>>
96%
55767
89%
**77
100%
[Hodgdon H1000]*
<<locked>>
97%
38058
61%
**87
94%
Hodgdon H380
<<locked>>
83%
55869
90%
**20
100%
Hodgdon H414
<<locked>>
86%
55477
89%
**72
100%
Hodgdon H4350
<<locked>>
92%
55376
89%
**26
100%
Hodgdon H4831
<<locked>>
97%
48660
78%
**54
96%
Hodgdon H4831 SC
<<locked>>
97%
55564
89%
**69
98%
Hodgdon Hybrid 100V
<<locked>>
93%
55927
90%
**17
100%
Hodgdon LVR
<<locked>>
88%
55448
89%
**53
100%
Hodgdon Retumbo
<<locked>>
97%
33170
53%
**31
95%
Hodgdon Superperformance
<<locked>>
88%
55680
89%
**12
100%
Hodgdon VARGET
<<locked>>
84%
55579
89%
**87
100%
IMR 4064
<<locked>>
85%
55738
89%
**77
100%
IMR 4166 Enduron
<<locked>>
86%
55825
90%
**87
100%
IMR 4350
<<locked>>
91%
55709
89%
**26
100%
IMR 4451 Enduron
<<locked>>
87%
56101
90%
**20
100%
IMR 4831
<<locked>>
95%
55550
89%
**33
100%
IMR 4955 Enduron
<<locked>>
97%
54447
87%
**13
98%
IMR 7828 SSC
<<locked>>
97%
54549
87%
**22
98%
Lovex S065
<<locked>>
89%
56072
90%
**07
100%
Lovex S070
<<locked>>
90%
56014
90%
**30
100%
Lovex S071
<<locked>>
97%
42380
68%
**36
99%
Norma 204 👍
<<locked>>
91%
56028
90%
**76
99%
Norma MRP
<<locked>>
97%
55825
90%
**58
100%
Norma URP
<<locked>>
90%
55274
89%
**46
100%
Ramshot Hunter 👍
<<locked>>
91%
55753
89%
**76
100%
Ramshot Magnum
<<locked>>
97%
51024
82%
**46
99%
ReloadSwiss RS 14
<<locked>>
97%
35534
57%
**93
100%
ReloadSwiss RS 50
<<locked>>
83%
55753
89%
**07
100%
ReloadSwiss RS 60
<<locked>>
87%
55898
90%
**15
100%
ReloadSwiss RS 62
<<locked>>
90%
55666
89%
**76
100%
ReloadSwiss RS 70
<<locked>>
90%
55840
90%
**28
100%
ReloadSwiss RS 76
<<locked>>
97%
41060
66%
**61
98%
Rottweil R 903
<<locked>>
86%
55724
89%
**00
100%
Rottweil R 904
<<locked>>
94%
55622
89%
**36
98%
Rottweil R 905
<<locked>>
96%
55680
89%
**85
99%
Rottweil R 907
<<locked>>
88%
55463
89%
**07
100%
SNPE Vectan SP 11
<<locked>>
84%
55477
89%
**26
100%
SNPE Vectan Tubal 5000
<<locked>>
85%
55767
89%
**75
100%
SNPE Vectan Tubal 7000
<<locked>>
89%
56043
90%
**77
100%
Shooters World Long Rifle
<<locked>>
89%
56072
90%
**07
100%
Somchem S355
<<locked>>
86%
55970
90%
**00
100%
Somchem S361
<<locked>>
94%
56101
90%
**13
98%
Somchem S365
<<locked>>
93%
55854
90%
**62
100%
Somchem S385 👍
<<locked>>
95%
55376
89%
**53
100%
Vihtavuori N135
<<locked>>
86%
55521
89%
**02
100%
Vihtavuori N150
<<locked>>
91%
55999
90%
**57
100%
Vihtavuori N160
<<locked>>
88%
55941
90%
**23
100%
Vihtavuori N165
<<locked>>
97%
48675
78%
**35
99%
Vihtavuori N550
<<locked>>
88%
55970
90%
**62
100%
Vihtavuori N555 👍
<<locked>>
97%
54694
88%
**69
100%
Vihtavuori N560
<<locked>>
97%
52692
84%
**08
98%
Vihtavuori N565
<<locked>>
97%
43671
70%
**38
96%
[Vihtavuori N568]*
<<locked>>
97%
38159
61%
**52
92%
Winchester 6.5 StaBALL
<<locked>>
89%
55956
90%
**00
100%
Winchester 760
<<locked>>
86%
55477
89%
**72
100%
Winchester StaBALL HD
<<locked>>
97%
44846
72%
**49
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
50111
80%
**08
100%
[ADI AR 2209]*
<<locked>>
81%
34171
55%
**82
94%
[ADI AR 2213]*
<<locked>>
82%
31647
51%
**39
90%
[ADI AR 2217]*
<<locked>>
92%
31923
51%
**36
90%
[ADI AR 2225]*
<<locked>>
90%
26440
42%
**21
90%
Accurate 2700
<<locked>>
81%
47747
77%
**46
99%
Accurate 3100
<<locked>>
81%
28631
46%
**31
95%
Accurate 4064
<<locked>>
81%
51866
83%
**08
100%
Accurate 4350
<<locked>>
81%
40030
64%
**00
100%
[Accurate MAGPRO]*
<<locked>>
87%
35302
57%
**57
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
50531
81%
**21
100%
Alliant Reloder-16
<<locked>>
81%
39523
63%
**26
100%
Alliant Reloder-17
<<locked>>
81%
45818
73%
**41
100%
[Alliant Reloder-19]*
<<locked>>
81%
33939
54%
**79
94%
[Alliant Reloder-22]*
<<locked>>
81%
29588
47%
**00
91%
Alliant Reloder-23
<<locked>>
81%
28268
45%
**74
98%
[Alliant Reloder-25]*
<<locked>>
81%
24468
39%
**59
92%
Alliant Reloder-26
<<locked>>
81%
30530
49%
**92
97%
[Hodgdon H1000]*
<<locked>>
92%
31923
51%
**36
90%
Hodgdon H380
<<locked>>
81%
51314
82%
**57
100%
Hodgdon H414
<<locked>>
81%
46862
75%
**35
99%
Hodgdon H4350
<<locked>>
81%
38043
61%
**15
97%
[Hodgdon H4831]*
<<locked>>
85%
32256
52%
**16
90%
[Hodgdon H4831 SC]*
<<locked>>
81%
32256
52%
**16
90%
Hodgdon Hybrid 100V
<<locked>>
81%
36854
59%
**08
100%
Hodgdon LVR
<<locked>>
81%
43468
70%
**62
100%
[Hodgdon Retumbo]*
<<locked>>
90%
26440
42%
**21
90%
Hodgdon Superperformance
<<locked>>
81%
42163
68%
**82
98%
Hodgdon VARGET
<<locked>>
81%
49705
80%
**02
100%
IMR 4064
<<locked>>
81%
49139
79%
**82
100%
IMR 4166 Enduron
<<locked>>
81%
47979
77%
**62
99%
IMR 4350
<<locked>>
81%
40001
64%
**57
97%
IMR 4451 Enduron
<<locked>>
81%
46412
74%
**59
99%
IMR 4831
<<locked>>
81%
34838
56%
**75
99%
[IMR 4955 Enduron]*
<<locked>>
81%
32503
52%
**83
91%
[IMR 7828 SSC]*
<<locked>>
81%
31183
50%
**36
90%
Lovex S065
<<locked>>
81%
43091
69%
**00
99%
Lovex S070
<<locked>>
81%
41133
66%
**84
98%
[Lovex S071]*
<<locked>>
81%
24207
39%
**03
92%
Norma 204
<<locked>>
81%
39711
64%
**90
96%
[Norma MRP]*
<<locked>>
81%
30734
49%
**59
94%
Norma URP
<<locked>>
81%
40190
64%
**03
100%
Ramshot Hunter
<<locked>>
81%
39175
63%
**00
98%
[Ramshot Magnum]*
<<locked>>
81%
26832
43%
**18
90%
ReloadSwiss RS 14
<<locked>>
92%
33156
53%
**50
100%
ReloadSwiss RS 50
<<locked>>
81%
51430
82%
**51
100%
ReloadSwiss RS 60
<<locked>>
81%
44121
71%
**41
100%
ReloadSwiss RS 62
<<locked>>
81%
40408
65%
**30
99%
ReloadSwiss RS 70
<<locked>>
81%
39363
63%
**46
99%
[ReloadSwiss RS 76]*
<<locked>>
86%
26934
43%
**64
90%
Rottweil R 903
<<locked>>
81%
47601
76%
**79
100%
[Rottweil R 904]*
<<locked>>
81%
35708
57%
**75
93%
[Rottweil R 905]*
<<locked>>
81%
33127
53%
**62
94%
Rottweil R 907
<<locked>>
81%
44353
71%
**26
98%
SNPE Vectan SP 11
<<locked>>
81%
49661
80%
**44
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
49110
79%
**84
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
42148
68%
**48
98%
Shooters World Long Rifle
<<locked>>
81%
43091
69%
**00
99%
Somchem S355
<<locked>>
81%
47979
77%
**79
100%
[Somchem S361]*
<<locked>>
81%
36100
58%
**59
92%
Somchem S365
<<locked>>
81%
36564
59%
**54
100%
Somchem S385
<<locked>>
81%
33446
54%
**46
95%
Vihtavuori N135
<<locked>>
81%
46586
75%
**84
100%
Vihtavuori N150
<<locked>>
81%
40814
65%
**28
100%
Vihtavuori N160
<<locked>>
81%
43859
70%
**39
100%
[Vihtavuori N165]*
<<locked>>
81%
27775
45%
**92
91%
Vihtavuori N550
<<locked>>
81%
44150
71%
**75
100%
Vihtavuori N555
<<locked>>
81%
31386
50%
**46
98%
[Vihtavuori N560]*
<<locked>>
83%
32082
51%
**75
90%
[Vihtavuori N565]*
<<locked>>
87%
30966
50%
**43
90%
[Vihtavuori N568]*
<<locked>>
95%
34998
56%
**77
90%
Winchester 6.5 StaBALL
<<locked>>
81%
41060
66%
**74
100%
Winchester 760
<<locked>>
81%
46862
75%
**35
99%
Winchester StaBALL HD
<<locked>>
81%
22698
36%
**51
97%

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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