top of page

Load data for .300 H & H Mag. + .308 | 150gr | Barnes X FN

Recommended Powder(s): Alliant Reloder-16, Norma URP, ReloadSwiss RS 62, ReloadSwiss RS 70, Somchem S365

.300 H & H Mag. + .308 | 150gr | Barnes X FN

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 150gr | Barnes X FN
Manufacturer SKU:
30819
Bullet Weight:
150gr | 9.7g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.060" | 26.9mm
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:
0.364" | 9.2mm
Shank Seated Depth:
0.364" | 9.2mm
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_B611_C357
Last updated:
2025-01-01

Load data for 156 loads in caliber .300 H & H Mag. with .308 | 150gr | Barnes X FN bullet and 78 powders such as Alliant Reloder-16, Norma URP, ReloadSwiss RS 62, ReloadSwiss RS 70, Somchem S365. 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.

    .

    Loading_icon.gif

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>>
87%
55985
90%
**15
100%
ADI AR 2209
<<locked>>
97%
52779
85%
**41
95%
[ADI AR 2213]*
<<locked>>
97%
48312
77%
**66
92%
Accurate 2700
<<locked>>
87%
55651
89%
**56
97%
Accurate 3100
<<locked>>
97%
47921
77%
**17
97%
Accurate 4064
<<locked>>
84%
55811
89%
**92
100%
Accurate 4350
<<locked>>
93%
55941
90%
**81
100%
Alliant Reloder- TS 15.5
<<locked>>
87%
55854
90%
**31
100%
Alliant Reloder-15
<<locked>>
84%
55463
89%
**45
100%
Alliant Reloder-16 👍
<<locked>>
95%
55738
89%
**36
100%
Alliant Reloder-17
<<locked>>
90%
55477
89%
**46
100%
Alliant Reloder-19
<<locked>>
97%
52199
84%
**31
95%
[Alliant Reloder-22]*
<<locked>>
97%
47094
76%
**76
94%
Alliant Reloder-23
<<locked>>
97%
44628
72%
**36
99%
Alliant Reloder-25
<<locked>>
97%
39276
63%
**15
95%
Alliant Reloder-26
<<locked>>
97%
49574
79%
**04
99%
Hodgdon CFE223
<<locked>>
85%
56043
90%
**91
100%
Hodgdon H380
<<locked>>
86%
55738
89%
**38
99%
Hodgdon H414
<<locked>>
89%
55201
89%
**91
98%
Hodgdon H4350
<<locked>>
96%
55564
89%
**35
97%
[Hodgdon H4831 SC]*
<<locked>>
97%
50343
81%
**56
92%
Hodgdon Hybrid 100V
<<locked>>
96%
55622
89%
**48
100%
Hodgdon LVR
<<locked>>
91%
55898
90%
**87
99%
Hodgdon Superperformance
<<locked>>
92%
55854
90%
**30
98%
Hodgdon VARGET
<<locked>>
88%
56101
90%
**25
100%
Hodgdon TrailBoss
<<locked>>
96%
34853
56%
**73
100%
IMR 3031
<<locked>>
84%
56086
90%
**15
100%
IMR 4064
<<locked>>
88%
55840
90%
**09
100%
IMR 4166 Enduron
<<locked>>
88%
56057
90%
**92
98%
IMR 4350
<<locked>>
94%
55883
90%
**35
97%
IMR 4451 Enduron
<<locked>>
90%
55825
90%
**18
98%
IMR 4831
<<locked>>
97%
53896
86%
**38
99%
IMR 4895
<<locked>>
83%
55361
89%
**51
100%
[IMR 4955 Enduron]*
<<locked>>
97%
49284
79%
**07
92%
[IMR 7828 SSC]*
<<locked>>
97%
48791
78%
**89
92%
Lovex S062
<<locked>>
85%
55825
90%
**05
100%
Lovex S065
<<locked>>
91%
56130
90%
**25
99%
Lovex S070
<<locked>>
92%
55927
90%
**31
98%
Lovex S071
<<locked>>
97%
40480
65%
**66
95%
Norma 203B
<<locked>>
84%
55376
89%
**45
100%
Norma 204
<<locked>>
94%
55767
89%
**74
96%
Norma MRP
<<locked>>
97%
49052
79%
**58
96%
Norma URP 👍
<<locked>>
94%
56014
90%
**91
100%
Ramshot Big Game
<<locked>>
84%
55782
89%
**61
100%
Ramshot Hunter
<<locked>>
95%
56086
90%
**10
99%
[Ramshot Magnum]*
<<locked>>
97%
45237
73%
**07
94%
ReloadSwiss RS 14
<<locked>>
97%
35853
57%
**23
100%
ReloadSwiss RS 50
<<locked>>
86%
55912
90%
**22
98%
ReloadSwiss RS 52
<<locked>>
85%
55912
90%
**68
100%
ReloadSwiss RS 60
<<locked>>
91%
55941
90%
**73
100%
ReloadSwiss RS 62 👍
<<locked>>
93%
55753
89%
**14
100%
ReloadSwiss RS 70 👍
<<locked>>
94%
55666
89%
**46
99%
Rottweil R 902
<<locked>>
83%
55535
89%
**79
100%
Rottweil R 903
<<locked>>
88%
56130
90%
**35
100%
Rottweil R 904
<<locked>>
97%
54955
88%
**25
95%
Rottweil R 905
<<locked>>
97%
51779
83%
**28
96%
Rottweil R 907
<<locked>>
90%
55651
89%
**02
97%
SNPE Vectan SP 11
<<locked>>
87%
55535
89%
**71
100%
SNPE Vectan Tubal 5000
<<locked>>
87%
55956
90%
**07
100%
SNPE Vectan Tubal 7000
<<locked>>
91%
55405
89%
**59
98%
Shooters World Long Rifle
<<locked>>
91%
56130
90%
**25
99%
Shooters World Precision
<<locked>>
85%
55825
90%
**05
100%
Somchem S355
<<locked>>
88%
55941
90%
**31
100%
[Somchem S361]*
<<locked>>
96%
56057
90%
**02
94%
Somchem S365 👍
<<locked>>
96%
55738
89%
**10
100%
Somchem S385
<<locked>>
97%
52982
85%
**05
97%
Vihtavuori N133
<<locked>>
84%
55651
89%
**00
100%
Vihtavuori N135
<<locked>>
89%
55970
90%
**49
100%
Vihtavuori N140
<<locked>>
84%
55941
90%
**59
100%
Vihtavuori N150
<<locked>>
93%
55840
90%
**92
100%
Vihtavuori N160
<<locked>>
91%
55666
89%
**45
100%
[Vihtavuori N165]*
<<locked>>
97%
43990
71%
**25
94%
Vihtavuori N540
<<locked>>
84%
55898
90%
**89
100%
Vihtavuori N550
<<locked>>
91%
55666
89%
**84
99%
Vihtavuori N555
<<locked>>
97%
50198
80%
**25
99%
Winchester 6.5 StaBALL
<<locked>>
92%
55564
89%
**18
100%
Winchester 760
<<locked>>
89%
55201
89%
**91
98%
Winchester StaBALL HD
<<locked>>
97%
36840
59%
**66
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
46731
75%
**54
99%
[ADI AR 2209]*
<<locked>>
86%
38319
61%
**20
90%
[ADI AR 2213]*
<<locked>>
94%
43598
70%
**64
90%
Accurate 2700
<<locked>>
81%
45614
73%
**72
95%
[Accurate 3100]*
<<locked>>
81%
29660
48%
**90
90%
Accurate 4064
<<locked>>
81%
51169
82%
**17
100%
Accurate 4350
<<locked>>
81%
39131
63%
**59
97%
Alliant Reloder- TS 15.5
<<locked>>
81%
47427
76%
**94
100%
Alliant Reloder-15
<<locked>>
81%
50966
82%
**66
99%
Alliant Reloder-16
<<locked>>
81%
37318
60%
**46
96%
Alliant Reloder-17
<<locked>>
81%
41684
67%
**71
99%
[Alliant Reloder-19]*
<<locked>>
85%
37333
60%
**03
90%
[Alliant Reloder-22]*
<<locked>>
89%
37536
60%
**56
90%
[Alliant Reloder-23]*
<<locked>>
81%
28471
46%
**00
94%
[Alliant Reloder-25]*
<<locked>>
89%
31256
50%
**89
90%
[Alliant Reloder-26]*
<<locked>>
81%
30008
48%
**95
91%
Hodgdon CFE223
<<locked>>
81%
49226
79%
**69
99%
Hodgdon H380
<<locked>>
81%
48530
78%
**07
98%
Hodgdon H414
<<locked>>
81%
43598
70%
**58
95%
[Hodgdon H4350]*
<<locked>>
81%
36260
58%
**35
91%
[Hodgdon H4831 SC]*
<<locked>>
93%
44396
71%
**35
90%
Hodgdon Hybrid 100V
<<locked>>
81%
34925
56%
**41
97%
Hodgdon LVR
<<locked>>
81%
40886
66%
**95
96%
[Hodgdon Superperformance]*
<<locked>>
81%
39204
63%
**85
93%
Hodgdon VARGET
<<locked>>
81%
46601
75%
**58
99%
Hodgdon TrailBoss
<<locked>>
81%
28021
45%
**19
100%
IMR 3031
<<locked>>
81%
51895
83%
**53
100%
IMR 4064
<<locked>>
81%
46035
74%
**35
99%
IMR 4166 Enduron
<<locked>>
81%
45295
73%
**92
95%
[IMR 4350]*
<<locked>>
81%
37985
61%
**67
92%
IMR 4451 Enduron
<<locked>>
81%
43569
70%
**85
95%
IMR 4831
<<locked>>
81%
33953
54%
**18
95%
IMR 4895
<<locked>>
81%
52112
84%
**89
100%
[IMR 4955 Enduron]*
<<locked>>
92%
43163
69%
**79
90%
[IMR 7828 SSC]*
<<locked>>
93%
43352
70%
**67
90%
Lovex S062
<<locked>>
81%
49893
80%
**00
100%
Lovex S065
<<locked>>
81%
41655
67%
**43
96%
[Lovex S070]*
<<locked>>
81%
40016
64%
**23
94%
[Lovex S071]*
<<locked>>
86%
29689
48%
**90
90%
Norma 203B
<<locked>>
81%
50082
80%
**49
100%
[Norma 204]*
<<locked>>
81%
37782
61%
**00
90%
[Norma MRP]*
<<locked>>
85%
34316
55%
**87
90%
Norma URP
<<locked>>
81%
38029
61%
**36
96%
Ramshot Big Game
<<locked>>
81%
49879
80%
**59
100%
[Ramshot Hunter]*
<<locked>>
81%
36941
59%
**17
94%
[Ramshot Magnum]*
<<locked>>
91%
37130
60%
**17
90%
ReloadSwiss RS 14
<<locked>>
81%
28427
46%
**55
100%
ReloadSwiss RS 50
<<locked>>
81%
48327
77%
**84
97%
ReloadSwiss RS 52
<<locked>>
81%
49414
79%
**63
100%
ReloadSwiss RS 60
<<locked>>
81%
40408
65%
**67
99%
ReloadSwiss RS 62
<<locked>>
81%
37869
61%
**59
96%
ReloadSwiss RS 70
<<locked>>
81%
37101
59%
**46
95%
Rottweil R 902
<<locked>>
81%
52141
84%
**20
100%
Rottweil R 903
<<locked>>
81%
45788
73%
**58
100%
[Rottweil R 904]*
<<locked>>
87%
40959
66%
**40
90%
[Rottweil R 905]*
<<locked>>
86%
36825
59%
**03
90%
[Rottweil R 907]*
<<locked>>
81%
42540
68%
**59
94%
SNPE Vectan SP 11
<<locked>>
81%
45847
74%
**97
99%
SNPE Vectan Tubal 5000
<<locked>>
81%
46470
75%
**56
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
81%
41133
66%
**84
94%
Shooters World Long Rifle
<<locked>>
81%
41655
67%
**43
96%
Shooters World Precision
<<locked>>
81%
49893
80%
**00
100%
Somchem S355
<<locked>>
81%
45905
74%
**51
99%
[Somchem S361]*
<<locked>>
88%
43918
70%
**72
90%
Somchem S365
<<locked>>
81%
34519
55%
**90
98%
[Somchem S385]*
<<locked>>
82%
34026
55%
**02
90%
Vihtavuori N133
<<locked>>
81%
51692
83%
**35
100%
Vihtavuori N135
<<locked>>
81%
44889
72%
**69
100%
Vihtavuori N140
<<locked>>
81%
50995
82%
**84
100%
Vihtavuori N150
<<locked>>
81%
39465
63%
**87
99%
Vihtavuori N160
<<locked>>
81%
40799
65%
**62
97%
[Vihtavuori N165]*
<<locked>>
89%
35650
57%
**31
90%
Vihtavuori N540
<<locked>>
81%
51010
82%
**13
100%
Vihtavuori N550
<<locked>>
81%
41829
67%
**18
97%
[Vihtavuori N555]*
<<locked>>
81%
30821
49%
**89
94%
Winchester 6.5 StaBALL
<<locked>>
81%
38870
62%
**03
99%
Winchester 760
<<locked>>
81%
43598
70%
**58
95%
[Winchester StaBALL HD]*
<<locked>>
81%
25556
41%
**48
91%

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

bottom of page