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Load data for .300 H & H Mag. + .308 | 150gr | Speer RN

Recommended Powder(s):

.300 H & H Mag. + .308 | 150gr | Speer RN

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 150gr | Speer RN
Manufacturer SKU:
2017
Bullet Weight:
150gr | 9.7g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
0.895" | 22.7mm
Caliber:
.300 H & H Mag. load data
Case Length (l3):
2.850" | 72.4mm
Cartridge Length (C.O.L.):
3.546" | 90.1mm
Seated Depth:
0.199" | 5.1mm
Shank Seated Depth:
0.199" | 5.1mm
Case Capacity:
85.9 Grains of Water | 5.58 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
62366 psi | 4300 bar
LID:
LID_B6151_C357
Last updated:
2025-01-01

Load data for 166 loads in caliber .300 H & H Mag. with .308 | 150gr | Speer RN bullet and 83 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>>
88%
55782
89%
**45
100%
ADI AR 2209
<<locked>>
97%
51271
82%
**38
95%
Accurate 2700
<<locked>>
89%
55637
89%
**89
97%
Accurate 3100
<<locked>>
97%
44527
71%
**84
97%
Accurate 4064
<<locked>>
86%
55709
89%
**22
100%
Accurate 4350
<<locked>>
94%
55695
89%
**10
100%
Alliant Reloder- TS 15.5
<<locked>>
88%
56086
90%
**64
100%
Alliant Reloder-15
<<locked>>
86%
55709
89%
**84
100%
Alliant Reloder-16 👍
<<locked>>
96%
55550
89%
**56
100%
Alliant Reloder-17
<<locked>>
91%
55927
90%
**73
100%
Alliant Reloder-19
<<locked>>
97%
50560
81%
**31
95%
[Alliant Reloder-22]*
<<locked>>
97%
44295
71%
**49
94%
Alliant Reloder-23
<<locked>>
97%
41930
67%
**13
99%
[Alliant Reloder-25]*
<<locked>>
97%
36956
59%
**92
94%
Alliant Reloder-26
<<locked>>
97%
47224
76%
**87
99%
Hodgdon CFE223
<<locked>>
86%
55608
89%
**04
100%
Hodgdon H380
<<locked>>
87%
55608
89%
**64
99%
Hodgdon H414
<<locked>>
90%
55927
90%
**33
98%
Hodgdon H4350
<<locked>>
97%
55463
89%
**64
97%
[Hodgdon H4831 SC]*
<<locked>>
97%
47790
77%
**36
92%
Hodgdon Hybrid 100V
<<locked>>
97%
54041
87%
**58
100%
Hodgdon LVR
<<locked>>
93%
55956
90%
**07
99%
Hodgdon Superperformance
<<locked>>
93%
56043
90%
**63
98%
Hodgdon VARGET
<<locked>>
88%
55288
89%
**41
100%
Hodgdon TrailBoss
<<locked>>
97%
34563
55%
**90
100%
IMR 3031
<<locked>>
85%
55709
89%
**41
100%
IMR 4064
<<locked>>
89%
55347
89%
**28
100%
IMR 4166 Enduron
<<locked>>
89%
55332
89%
**22
98%
IMR 4350
<<locked>>
95%
55956
90%
**64
98%
IMR 4451 Enduron
<<locked>>
91%
55579
89%
**41
98%
IMR 4831
<<locked>>
97%
51039
82%
**22
99%
IMR 4895
<<locked>>
85%
55434
89%
**87
100%
[IMR 4955 Enduron]*
<<locked>>
97%
47892
77%
**07
92%
[IMR 7828 SSC]*
<<locked>>
97%
46731
75%
**76
92%
Lovex S060
<<locked>>
83%
55303
89%
**95
100%
Lovex S062
<<locked>>
87%
55767
89%
**28
100%
Lovex S065
<<locked>>
93%
55869
90%
**48
99%
Lovex S070
<<locked>>
94%
55245
89%
**54
98%
[Lovex S071]*
<<locked>>
97%
37043
59%
**26
94%
Norma 201
<<locked>>
84%
55593
89%
**28
100%
Norma 202
<<locked>>
83%
55419
89%
**12
100%
Norma 203B
<<locked>>
86%
55622
89%
**71
100%
Norma 204
<<locked>>
95%
55608
89%
**00
96%
Norma MRP
<<locked>>
97%
46441
74%
**28
96%
Norma URP 👍
<<locked>>
95%
55970
90%
**17
100%
Ramshot Big Game
<<locked>>
86%
55448
89%
**81
100%
Ramshot Hunter
<<locked>>
96%
55854
90%
**27
99%
[Ramshot Magnum]*
<<locked>>
97%
42612
68%
**84
93%
ReloadSwiss RS 14
<<locked>>
97%
35114
56%
**36
100%
ReloadSwiss RS 50
<<locked>>
87%
55564
89%
**48
99%
ReloadSwiss RS 52
<<locked>>
86%
55695
89%
**91
100%
ReloadSwiss RS 60
<<locked>>
92%
55463
89%
**92
100%
ReloadSwiss RS 62 👍
<<locked>>
94%
55811
89%
**30
100%
ReloadSwiss RS 70
<<locked>>
95%
55434
89%
**82
100%
Rottweil R 902
<<locked>>
85%
55608
89%
**18
100%
Rottweil R 903
<<locked>>
90%
56115
90%
**68
100%
[Rottweil R 904]*
<<locked>>
97%
52779
85%
**12
94%
Rottweil R 905
<<locked>>
97%
49023
79%
**02
95%
Rottweil R 907
<<locked>>
92%
56014
90%
**54
98%
SNPE Vectan SP 11
<<locked>>
88%
55579
89%
**91
100%
SNPE Vectan SP 9
<<locked>>
84%
55724
89%
**51
100%
SNPE Vectan Tubal 3000
<<locked>>
83%
56101
90%
**53
100%
SNPE Vectan Tubal 5000
<<locked>>
88%
55259
89%
**23
100%
SNPE Vectan Tubal 7000
<<locked>>
93%
55898
90%
**95
98%
Shooters World Long Rifle
<<locked>>
93%
55869
90%
**48
99%
Shooters World Precision
<<locked>>
87%
55767
89%
**28
100%
Somchem S335
<<locked>>
83%
55666
89%
**46
100%
Somchem S355
<<locked>>
89%
55796
89%
**61
100%
[Somchem S361]*
<<locked>>
97%
54984
88%
**09
94%
Somchem S365 👍
<<locked>>
97%
54534
87%
**23
100%
Somchem S385
<<locked>>
97%
49922
80%
**86
96%
Vihtavuori N133
<<locked>>
85%
55724
89%
**27
100%
Vihtavuori N135
<<locked>>
90%
55216
89%
**76
100%
Vihtavuori N140
<<locked>>
85%
55492
89%
**86
100%
Vihtavuori N150
<<locked>>
94%
55550
89%
**18
100%
Vihtavuori N160
<<locked>>
92%
55912
90%
**74
100%
[Vihtavuori N165]*
<<locked>>
97%
41336
66%
**95
93%
Vihtavuori N540
<<locked>>
85%
55622
89%
**15
100%
Vihtavuori N550 👍
<<locked>>
92%
56115
90%
**23
100%
Vihtavuori N555
<<locked>>
97%
46717
75%
**92
99%
Winchester 6.5 StaBALL
<<locked>>
94%
55593
89%
**41
100%
Winchester 760
<<locked>>
90%
55927
90%
**33
98%
Winchester StaBALL HD
<<locked>>
97%
34330
55%
**17
99%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
44686
72%
**48
99%
[ADI AR 2209]*
<<locked>>
87%
37797
61%
**43
90%
[Accurate 2700]*
<<locked>>
81%
43004
69%
**59
94%
[Accurate 3100]*
<<locked>>
85%
29066
47%
**13
90%
Accurate 4064
<<locked>>
81%
46905
75%
**81
100%
Accurate 4350
<<locked>>
81%
35317
57%
**00
95%
Alliant Reloder- TS 15.5
<<locked>>
81%
44730
72%
**67
100%
Alliant Reloder-15
<<locked>>
81%
48080
77%
**49
99%
Alliant Reloder-16
<<locked>>
81%
34664
56%
**13
96%
Alliant Reloder-17
<<locked>>
81%
39276
63%
**48
99%
[Alliant Reloder-19]*
<<locked>>
87%
36840
59%
**30
90%
[Alliant Reloder-22]*
<<locked>>
91%
36695
59%
**62
90%
[Alliant Reloder-23]*
<<locked>>
81%
25237
40%
**28
91%
[Alliant Reloder-25]*
<<locked>>
91%
30821
49%
**08
91%
[Alliant Reloder-26]*
<<locked>>
83%
28485
46%
**82
90%
Hodgdon CFE223
<<locked>>
81%
46847
75%
**53
99%
Hodgdon H380
<<locked>>
81%
45469
73%
**81
98%
[Hodgdon H414]*
<<locked>>
81%
40538
65%
**25
94%
[Hodgdon H4350]*
<<locked>>
81%
33765
54%
**95
90%
[Hodgdon H4831 SC]*
<<locked>>
94%
43018
69%
**44
90%
Hodgdon Hybrid 100V
<<locked>>
81%
32314
52%
**05
96%
Hodgdon LVR
<<locked>>
81%
38130
61%
**62
96%
[Hodgdon Superperformance]*
<<locked>>
81%
36637
59%
**53
92%
Hodgdon VARGET
<<locked>>
81%
44266
71%
**41
99%
Hodgdon TrailBoss
<<locked>>
81%
27369
44%
**29
100%
IMR 3031
<<locked>>
81%
49197
79%
**43
100%
IMR 4064
<<locked>>
81%
43671
70%
**15
99%
IMR 4166 Enduron
<<locked>>
81%
43337
69%
**89
95%
[IMR 4350]*
<<locked>>
81%
35418
57%
**38
91%
[IMR 4451 Enduron]*
<<locked>>
81%
41336
66%
**66
94%
[IMR 4831]*
<<locked>>
81%
30893
50%
**66
94%
IMR 4895
<<locked>>
81%
49400
79%
**79
100%
[IMR 4955 Enduron]*
<<locked>>
93%
42003
67%
**89
90%
[IMR 7828 SSC]*
<<locked>>
94%
42612
68%
**94
90%
Lovex S060
<<locked>>
81%
51837
83%
**40
100%
Lovex S062
<<locked>>
81%
47123
76%
**81
100%
Lovex S065
<<locked>>
81%
38812
62%
**17
95%
[Lovex S070]*
<<locked>>
81%
36956
59%
**84
93%
[Lovex S071]*
<<locked>>
90%
29066
47%
**13
90%
Norma 201
<<locked>>
81%
51401
82%
**56
100%
Norma 202
<<locked>>
81%
51953
83%
**56
100%
Norma 203B
<<locked>>
81%
47587
76%
**40
100%
[Norma 204]*
<<locked>>
83%
37043
59%
**20
90%
[Norma MRP]*
<<locked>>
87%
33620
54%
**10
90%
Norma URP
<<locked>>
81%
35143
56%
**94
95%
Ramshot Big Game
<<locked>>
81%
47427
76%
**49
99%
[Ramshot Hunter]*
<<locked>>
81%
34156
55%
**67
92%
[Ramshot Magnum]*
<<locked>>
92%
36129
58%
**13
90%
ReloadSwiss RS 14
<<locked>>
81%
27949
45%
**75
100%
ReloadSwiss RS 50
<<locked>>
81%
45745
73%
**74
97%
ReloadSwiss RS 52
<<locked>>
81%
46731
75%
**43
100%
ReloadSwiss RS 60
<<locked>>
81%
37956
61%
**41
99%
ReloadSwiss RS 62
<<locked>>
81%
34969
56%
**13
95%
[ReloadSwiss RS 70]*
<<locked>>
81%
34272
55%
**07
94%
Rottweil R 902
<<locked>>
81%
48776
78%
**00
100%
Rottweil R 903
<<locked>>
81%
42308
68%
**22
99%
[Rottweil R 904]*
<<locked>>
88%
39842
64%
**53
90%
[Rottweil R 905]*
<<locked>>
88%
36129
58%
**13
90%
[Rottweil R 907]*
<<locked>>
81%
39914
64%
**30
93%
SNPE Vectan SP 11
<<locked>>
81%
43337
69%
**74
99%
SNPE Vectan SP 9
<<locked>>
81%
50879
82%
**79
100%
SNPE Vectan Tubal 3000
<<locked>>
81%
52591
84%
**97
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
44048
71%
**49
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
81%
37869
61%
**54
93%
Shooters World Long Rifle
<<locked>>
81%
38812
62%
**17
95%
Shooters World Precision
<<locked>>
81%
47123
76%
**81
100%
Somchem S335
<<locked>>
81%
52112
84%
**90
100%
Somchem S355
<<locked>>
81%
42844
69%
**25
99%
[Somchem S361]*
<<locked>>
89%
42496
68%
**79
90%
Somchem S365
<<locked>>
81%
31502
51%
**41
98%
[Somchem S385]*
<<locked>>
85%
33330
53%
**21
90%
Vihtavuori N133
<<locked>>
81%
49458
79%
**31
100%
Vihtavuori N135
<<locked>>
81%
41452
66%
**46
100%
Vihtavuori N140
<<locked>>
81%
48718
78%
**77
100%
Vihtavuori N150
<<locked>>
81%
36550
59%
**64
99%
Vihtavuori N160
<<locked>>
81%
38290
61%
**43
96%
[Vihtavuori N165]*
<<locked>>
91%
34809
56%
**44
90%
Vihtavuori N540
<<locked>>
81%
48312
77%
**00
100%
Vihtavuori N550
<<locked>>
81%
38667
62%
**82
96%
[Vihtavuori N555]*
<<locked>>
81%
27383
44%
**10
92%
Winchester 6.5 StaBALL
<<locked>>
81%
36201
58%
**74
98%
[Winchester 760]*
<<locked>>
81%
40538
65%
**25
94%
[Winchester StaBALL HD]*
<<locked>>
84%
24685
40%
**57
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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