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Load data for .300 H & H Mag. + .308 | 180gr | Winchester FailSafe

Recommended Powder(s): Alliant Reloder-16, Hodgdon Superperformance, Ramshot Hunter, ReloadSwiss RS 62, ReloadSwiss RS 70

.300 H & H Mag. + .308 | 180gr | Winchester FailSafe

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 180gr | Winchester FailSafe
Bullet Weight:
180gr | 11.7g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.275" | 32.4mm
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:
0.579" | 14.7mm
Shank Seated Depth:
0.579" | 14.7mm
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_B6638_C357
Last updated:
2025-01-01

Load data for 164 loads in caliber .300 H & H Mag. with .308 | 180gr | Winchester FailSafe bullet and 82 powders such as Alliant Reloder-16, Hodgdon Superperformance, Ramshot Hunter, ReloadSwiss RS 62, ReloadSwiss RS 70. 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>>
86%
55695
89%
**79
100%
ADI AR 2209
<<locked>>
97%
53867
86%
**38
98%
ADI AR 2213
<<locked>>
97%
48762
78%
**76
95%
Accurate 2700
<<locked>>
87%
56086
90%
**46
99%
Accurate 3100
<<locked>>
97%
47543
76%
**97
99%
Accurate 4064
<<locked>>
84%
55448
89%
**46
100%
Accurate 4350
<<locked>>
92%
55956
90%
**41
100%
[Accurate MAGPRO]*
<<locked>>
97%
46673
75%
**59
92%
Alliant Reloder- TS 15.5
<<locked>>
86%
55622
89%
**89
100%
Alliant Reloder-15
<<locked>>
84%
56086
90%
**08
100%
Alliant Reloder-16 👍
<<locked>>
94%
55564
89%
**84
100%
Alliant Reloder-17
<<locked>>
89%
55811
89%
**97
100%
Alliant Reloder-19
<<locked>>
97%
53127
85%
**28
98%
Alliant Reloder-22
<<locked>>
97%
47529
76%
**72
96%
Alliant Reloder-23
<<locked>>
97%
45078
72%
**23
100%
Alliant Reloder-25
<<locked>>
97%
39291
63%
**38
98%
Alliant Reloder-26
<<locked>>
97%
50575
81%
**94
100%
Hodgdon CFE223
<<locked>>
84%
56072
90%
**48
100%
Hodgdon H380
<<locked>>
85%
55898
90%
**12
100%
Hodgdon H414
<<locked>>
88%
55463
89%
**61
99%
Hodgdon H4350
<<locked>>
95%
55680
89%
**02
99%
[Hodgdon H4831]*
<<locked>>
97%
44817
72%
**51
93%
Hodgdon H4831 SC
<<locked>>
97%
50966
82%
**62
95%
Hodgdon Hybrid 100V
<<locked>>
96%
55811
89%
**08
100%
Hodgdon LVR
<<locked>>
90%
55288
89%
**38
100%
Hodgdon Superperformance 👍
<<locked>>
91%
55941
90%
**00
99%
Hodgdon VARGET
<<locked>>
87%
55274
89%
**69
100%
Hodgdon TrailBoss
<<locked>>
97%
34925
56%
**99
100%
IMR 3031
<<locked>>
83%
56028
90%
**56
100%
IMR 4064
<<locked>>
87%
55883
90%
**69
100%
IMR 4166 Enduron
<<locked>>
88%
55622
89%
**56
99%
IMR 4350
<<locked>>
94%
56043
90%
**12
99%
IMR 4451 Enduron
<<locked>>
89%
56101
90%
**89
99%
IMR 4831
<<locked>>
97%
54897
88%
**15
100%
IMR 4955 Enduron
<<locked>>
97%
50053
80%
**13
95%
IMR 7828 SSC
<<locked>>
97%
49385
79%
**05
95%
Lovex S062
<<locked>>
85%
55840
90%
**56
100%
Lovex S065
<<locked>>
91%
56028
90%
**85
100%
Lovex S070
<<locked>>
92%
55985
90%
**12
99%
Lovex S071
<<locked>>
97%
40132
64%
**66
97%
Norma 203B
<<locked>>
84%
55579
89%
**99
100%
Norma 204
<<locked>>
93%
56072
90%
**44
98%
Norma MRP
<<locked>>
97%
50256
81%
**61
98%
Norma URP
<<locked>>
93%
56086
90%
**51
100%
Ramshot Big Game
<<locked>>
84%
55999
90%
**22
100%
Ramshot Hunter 👍
<<locked>>
94%
55506
89%
**64
100%
Ramshot Magnum
<<locked>>
97%
45890
74%
**30
97%
ReloadSwiss RS 14
<<locked>>
97%
35636
57%
**42
100%
ReloadSwiss RS 50
<<locked>>
85%
55724
89%
**89
99%
ReloadSwiss RS 52
<<locked>>
84%
55521
89%
**18
100%
ReloadSwiss RS 60
<<locked>>
90%
55506
89%
**10
100%
ReloadSwiss RS 62 👍
<<locked>>
92%
55898
90%
**71
100%
ReloadSwiss RS 70 👍
<<locked>>
93%
56014
90%
**27
100%
[ReloadSwiss RS 76]*
<<locked>>
97%
37942
61%
**21
94%
Rottweil R 902
<<locked>>
83%
55724
89%
**43
100%
Rottweil R 903
<<locked>>
87%
55521
89%
**89
100%
Rottweil R 904
<<locked>>
97%
56130
90%
**22
97%
Rottweil R 905
<<locked>>
97%
52315
84%
**12
98%
Rottweil R 907
<<locked>>
90%
55956
90%
**89
99%
SNPE Vectan SP 11
<<locked>>
87%
55767
89%
**31
100%
SNPE Vectan Tubal 5000
<<locked>>
87%
55201
89%
**54
100%
SNPE Vectan Tubal 7000
<<locked>>
91%
55405
89%
**33
99%
Shooters World Long Rifle
<<locked>>
91%
56028
90%
**85
100%
Shooters World Precision
<<locked>>
85%
55840
90%
**56
100%
Somchem S355
<<locked>>
87%
55651
89%
**82
100%
Somchem S361
<<locked>>
96%
55970
90%
**82
96%
Somchem S365
<<locked>>
95%
55550
89%
**58
100%
Somchem S385
<<locked>>
97%
53606
86%
**99
98%
Vihtavuori N133
<<locked>>
83%
55956
90%
**54
100%
Vihtavuori N135
<<locked>>
89%
56072
90%
**00
100%
Vihtavuori N140
<<locked>>
83%
55332
89%
**07
100%
Vihtavuori N150
<<locked>>
93%
55883
90%
**49
100%
Vihtavuori N160
<<locked>>
91%
56057
90%
**08
100%
Vihtavuori N165
<<locked>>
97%
44541
71%
**35
96%
Vihtavuori N540
<<locked>>
84%
55608
89%
**40
100%
Vihtavuori N550
<<locked>>
90%
55811
89%
**54
100%
Vihtavuori N555
<<locked>>
97%
50705
81%
**02
100%
[Vihtavuori N560]*
<<locked>>
97%
47616
76%
**89
94%
[Vihtavuori N565]*
<<locked>>
97%
40030
64%
**31
92%
Winchester 6.5 StaBALL
<<locked>>
92%
55637
89%
**82
100%
Winchester 760
<<locked>>
88%
55463
89%
**61
99%
Winchester StaBALL HD
<<locked>>
97%
38290
61%
**56
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
47123
76%
**38
100%
[ADI AR 2209]*
<<locked>>
81%
32619
52%
**92
90%
[ADI AR 2213]*
<<locked>>
89%
37086
59%
**20
90%
Accurate 2700
<<locked>>
81%
45629
73%
**69
97%
[Accurate 3100]*
<<locked>>
81%
28123
45%
**74
92%
Accurate 4064
<<locked>>
81%
50169
80%
**67
100%
Accurate 4350
<<locked>>
81%
38261
61%
**36
98%
[Accurate MAGPRO]*
<<locked>>
94%
41800
67%
**57
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
47616
76%
**67
100%
Alliant Reloder-15
<<locked>>
81%
51024
82%
**30
100%
Alliant Reloder-16
<<locked>>
81%
37014
59%
**43
98%
Alliant Reloder-17
<<locked>>
81%
42250
68%
**67
100%
[Alliant Reloder-19]*
<<locked>>
81%
32430
52%
**98
90%
[Alliant Reloder-22]*
<<locked>>
85%
31923
51%
**21
90%
Alliant Reloder-23
<<locked>>
81%
27354
44%
**00
96%
[Alliant Reloder-25]*
<<locked>>
84%
26600
43%
**67
90%
[Alliant Reloder-26]*
<<locked>>
81%
29124
47%
**98
94%
Hodgdon CFE223
<<locked>>
81%
50154
80%
**59
100%
Hodgdon H380
<<locked>>
81%
48428
78%
**90
99%
Hodgdon H414
<<locked>>
81%
43685
70%
**51
97%
[Hodgdon H4350]*
<<locked>>
81%
36071
58%
**38
94%
[Hodgdon H4831]*
<<locked>>
91%
37710
60%
**00
90%
[Hodgdon H4831 SC]*
<<locked>>
88%
37710
60%
**00
90%
Hodgdon Hybrid 100V
<<locked>>
81%
34650
56%
**41
99%
Hodgdon LVR
<<locked>>
81%
40814
65%
**82
98%
Hodgdon Superperformance
<<locked>>
81%
39015
63%
**89
95%
Hodgdon VARGET
<<locked>>
81%
46775
75%
**31
100%
Hodgdon TrailBoss
<<locked>>
91%
32416
52%
**54
100%
IMR 3031
<<locked>>
81%
52257
84%
**10
100%
IMR 4064
<<locked>>
81%
46528
75%
**21
100%
IMR 4166 Enduron
<<locked>>
81%
45730
73%
**92
97%
[IMR 4350]*
<<locked>>
81%
37927
61%
**74
94%
IMR 4451 Enduron
<<locked>>
81%
43874
70%
**79
97%
IMR 4831
<<locked>>
81%
33489
54%
**11
97%
[IMR 4955 Enduron]*
<<locked>>
86%
36883
59%
**44
90%
[IMR 7828 SSC]*
<<locked>>
88%
37144
60%
**33
90%
Lovex S062
<<locked>>
81%
49980
80%
**67
100%
Lovex S065
<<locked>>
81%
41220
66%
**30
98%
Lovex S070
<<locked>>
81%
39407
63%
**13
96%
[Lovex S071]*
<<locked>>
82%
25411
41%
**92
90%
Norma 203B
<<locked>>
81%
50241
81%
**23
100%
[Norma 204]*
<<locked>>
81%
37304
60%
**97
93%
[Norma MRP]*
<<locked>>
81%
29515
47%
**75
90%
Norma URP
<<locked>>
81%
37869
61%
**30
98%
Ramshot Big Game
<<locked>>
81%
50691
81%
**46
100%
Ramshot Hunter
<<locked>>
81%
36753
59%
**16
96%
[Ramshot Magnum]*
<<locked>>
87%
31836
51%
**95
90%
ReloadSwiss RS 14
<<locked>>
86%
30719
49%
**44
100%
ReloadSwiss RS 50
<<locked>>
81%
48544
78%
**71
98%
ReloadSwiss RS 52
<<locked>>
81%
50343
81%
**40
100%
ReloadSwiss RS 60
<<locked>>
81%
40741
65%
**61
100%
ReloadSwiss RS 62
<<locked>>
81%
37840
61%
**49
98%
ReloadSwiss RS 70
<<locked>>
81%
36970
59%
**62
97%
[ReloadSwiss RS 76]*
<<locked>>
91%
31662
51%
**48
90%
Rottweil R 902
<<locked>>
81%
52011
83%
**90
100%
Rottweil R 903
<<locked>>
81%
45223
73%
**21
100%
[Rottweil R 904]*
<<locked>>
82%
34940
56%
**08
90%
[Rottweil R 905]*
<<locked>>
81%
31328
50%
**72
90%
Rottweil R 907
<<locked>>
81%
42235
68%
**43
96%
SNPE Vectan SP 11
<<locked>>
81%
46456
74%
**80
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
46543
75%
**36
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
40727
65%
**80
96%
Shooters World Long Rifle
<<locked>>
81%
41220
66%
**30
98%
Shooters World Precision
<<locked>>
81%
49980
80%
**67
100%
Somchem S355
<<locked>>
81%
45556
73%
**25
100%
[Somchem S361]*
<<locked>>
84%
37420
60%
**41
90%
Somchem S365
<<locked>>
81%
34301
55%
**90
100%
[Somchem S385]*
<<locked>>
81%
32039
51%
**62
92%
Vihtavuori N133
<<locked>>
81%
52054
83%
**02
100%
Vihtavuori N135
<<locked>>
81%
44425
71%
**39
100%
Vihtavuori N140
<<locked>>
81%
51605
83%
**54
100%
Vihtavuori N150
<<locked>>
81%
38972
62%
**70
100%
Vihtavuori N160
<<locked>>
81%
40843
65%
**56
99%
[Vihtavuori N165]*
<<locked>>
85%
30269
49%
**10
90%
Vihtavuori N540
<<locked>>
81%
51314
82%
**77
100%
Vihtavuori N550
<<locked>>
81%
41539
67%
**02
99%
Vihtavuori N555
<<locked>>
81%
30008
48%
**75
96%
[Vihtavuori N560]*
<<locked>>
89%
37420
60%
**66
90%
[Vihtavuori N565]*
<<locked>>
94%
35998
58%
**39
90%
Winchester 6.5 StaBALL
<<locked>>
81%
38537
62%
**00
100%
Winchester 760
<<locked>>
81%
43685
70%
**51
97%
[Winchester StaBALL HD]*
<<locked>>
81%
24366
39%
**64
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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