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Load data for .300 Weath. Mag. + .308 | 170gr | Speer FN

Recommended Powder(s): Alliant Reloder-26, Norma 204, Ramshot Hunter, Vihtavuori N555, Winchester StaBALL HD

.300 Weath. Mag. + .308 | 170gr | Speer FN

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 170gr | Speer FN
Manufacturer SKU:
2041
Bullet Weight:
170gr | 11.0g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.140" | 29.0mm
Caliber:
.300 Weath. Mag. load data
Case Length (l3):
2.824" | 71.7mm
Cartridge Length (C.O.L.):
3.507" | 89.1mm
Seated Depth:
0.457" | 11.6mm
Shank Seated Depth:
0.457" | 11.6mm
Case Capacity:
98.9 Grains of Water | 6.42 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
63817 psi | 4400 bar
LID:
LID_B6163_C379
Last updated:
2025-01-01

Load data for 142 loads in caliber .300 Weath. Mag. with .308 | 170gr | Speer FN bullet and 71 powders such as Alliant Reloder-26, Norma 204, Ramshot Hunter, Vihtavuori N555, Winchester StaBALL HD. 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%
57377
90%
**56
100%
ADI AR 2209
<<locked>>
94%
56768
89%
**35
99%
ADI AR 2213
<<locked>>
97%
55724
87%
**51
97%
[ADI AR 2217]*
<<locked>>
97%
40596
64%
**43
93%
ADI AR 2225
<<locked>>
97%
36201
57%
**87
95%
Accurate 2700
<<locked>>
85%
56971
89%
**17
99%
Accurate 3100
<<locked>>
97%
55796
87%
**69
100%
Accurate 4350
<<locked>>
89%
57188
90%
**09
100%
Accurate MAGPRO
<<locked>>
97%
55158
86%
**54
96%
Alliant Reloder- TS 15.5
<<locked>>
83%
57305
90%
**56
100%
Alliant Reloder-16
<<locked>>
90%
56869
89%
**48
100%
Alliant Reloder-17
<<locked>>
86%
56739
89%
**54
100%
Alliant Reloder-19
<<locked>>
95%
57305
90%
**41
99%
Alliant Reloder-22
<<locked>>
97%
55288
87%
**54
99%
Alliant Reloder-23
<<locked>>
97%
52620
82%
**79
100%
Alliant Reloder-25
<<locked>>
97%
45324
71%
**00
99%
Alliant Reloder-26 👍
<<locked>>
95%
57319
90%
**30
100%
[Hodgdon H1000]*
<<locked>>
97%
40596
64%
**43
93%
Hodgdon H414
<<locked>>
85%
57217
90%
**31
100%
Hodgdon H4350
<<locked>>
92%
56768
89%
**82
99%
Hodgdon H4831
<<locked>>
97%
51387
81%
**23
96%
Hodgdon H4831 SC
<<locked>>
96%
56956
89%
**15
97%
Hodgdon Hybrid 100V
<<locked>>
92%
57029
89%
**69
100%
Hodgdon LVR
<<locked>>
87%
56855
89%
**09
100%
Hodgdon Retumbo
<<locked>>
97%
36201
57%
**87
95%
Hodgdon Superperformance
<<locked>>
88%
57377
90%
**68
100%
Hodgdon VARGET
<<locked>>
84%
57203
90%
**49
100%
Hodgdon TrailBoss
<<locked>>
96%
35027
55%
**37
100%
IMR 4064
<<locked>>
85%
57348
90%
**46
100%
IMR 4166 Enduron
<<locked>>
85%
56869
89%
**46
100%
IMR 4350
<<locked>>
90%
57116
89%
**79
99%
IMR 4451 Enduron
<<locked>>
86%
57072
89%
**69
100%
IMR 4831
<<locked>>
94%
57334
90%
**99
100%
IMR 4955 Enduron
<<locked>>
97%
57188
90%
**82
97%
IMR 7828 SSC
<<locked>>
97%
56927
89%
**87
98%
Lovex S065
<<locked>>
88%
57203
90%
**56
100%
Lovex S070
<<locked>>
89%
57276
90%
**79
100%
Lovex S071
<<locked>>
97%
46180
72%
**12
99%
Norma 204 👍
<<locked>>
90%
56637
89%
**18
99%
Norma MRP
<<locked>>
96%
57203
90%
**07
100%
Norma URP
<<locked>>
90%
57159
90%
**12
100%
Ramshot Hunter 👍
<<locked>>
90%
57159
90%
**35
100%
Ramshot Magnum
<<locked>>
97%
53679
84%
**09
99%
ReloadSwiss RS 14
<<locked>>
96%
35694
56%
**80
100%
ReloadSwiss RS 60
<<locked>>
87%
56869
89%
**74
100%
ReloadSwiss RS 62
<<locked>>
89%
57203
90%
**35
100%
ReloadSwiss RS 70
<<locked>>
90%
56942
89%
**84
100%
ReloadSwiss RS 76
<<locked>>
97%
44280
69%
**36
98%
Rottweil R 903
<<locked>>
84%
56695
89%
**49
100%
Rottweil R 904
<<locked>>
93%
57029
89%
**95
98%
Rottweil R 905
<<locked>>
95%
57058
89%
**38
99%
Rottweil R 907
<<locked>>
87%
56913
89%
**59
99%
SNPE Vectan SP 11
<<locked>>
84%
57334
90%
**02
100%
SNPE Vectan Tubal 5000
<<locked>>
84%
57261
90%
**31
100%
SNPE Vectan Tubal 7000
<<locked>>
88%
56739
89%
**07
100%
Shooters World Long Rifle
<<locked>>
88%
57203
90%
**56
100%
Somchem S355
<<locked>>
85%
57145
90%
**56
100%
Somchem S361
<<locked>>
92%
56811
89%
**49
97%
Somchem S365
<<locked>>
92%
56927
89%
**22
100%
Somchem S385
<<locked>>
95%
57174
90%
**99
99%
Vihtavuori N135
<<locked>>
86%
57261
90%
**67
100%
Vihtavuori N150
<<locked>>
90%
57087
89%
**07
100%
Vihtavuori N160
<<locked>>
87%
57087
89%
**76
100%
Vihtavuori N165
<<locked>>
97%
51155
80%
**97
98%
Vihtavuori N550
<<locked>>
87%
57319
90%
**25
100%
Vihtavuori N555 👍
<<locked>>
96%
57319
90%
**41
100%
Vihtavuori N560
<<locked>>
97%
55535
87%
**81
97%
Vihtavuori N565
<<locked>>
97%
47529
74%
**17
96%
Winchester 6.5 StaBALL
<<locked>>
89%
57392
90%
**53
100%
Winchester 760
<<locked>>
85%
57217
90%
**31
100%
Winchester StaBALL HD 👍
<<locked>>
97%
48704
76%
**45
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
52228
82%
**74
100%
[ADI AR 2209]*
<<locked>>
81%
36753
58%
**35
93%
[ADI AR 2213]*
<<locked>>
83%
35273
55%
**15
90%
[ADI AR 2217]*
<<locked>>
92%
34998
55%
**98
90%
[ADI AR 2225]*
<<locked>>
90%
29298
46%
**80
90%
Accurate 2700
<<locked>>
81%
50560
79%
**08
98%
Accurate 3100
<<locked>>
81%
32329
51%
**03
95%
Accurate 4350
<<locked>>
81%
43700
68%
**79
99%
[Accurate MAGPRO]*
<<locked>>
87%
38899
61%
**33
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
53316
84%
**04
100%
Alliant Reloder-16
<<locked>>
81%
42148
66%
**92
100%
Alliant Reloder-17
<<locked>>
81%
48283
76%
**13
100%
[Alliant Reloder-19]*
<<locked>>
81%
36564
57%
**31
93%
[Alliant Reloder-22]*
<<locked>>
81%
32343
51%
**62
91%
Alliant Reloder-23
<<locked>>
81%
31024
49%
**26
98%
[Alliant Reloder-25]*
<<locked>>
81%
27325
43%
**18
92%
Alliant Reloder-26
<<locked>>
81%
33750
53%
**64
97%
[Hodgdon H1000]*
<<locked>>
92%
34998
55%
**98
90%
Hodgdon H414
<<locked>>
81%
49559
78%
**10
99%
Hodgdon H4350
<<locked>>
81%
40205
63%
**64
96%
[Hodgdon H4831]*
<<locked>>
86%
35897
56%
**85
90%
[Hodgdon H4831 SC]*
<<locked>>
82%
35650
56%
**82
90%
Hodgdon Hybrid 100V
<<locked>>
81%
39682
62%
**74
100%
Hodgdon LVR
<<locked>>
81%
46369
73%
**28
99%
[Hodgdon Retumbo]*
<<locked>>
90%
29298
46%
**80
90%
Hodgdon Superperformance
<<locked>>
81%
44657
70%
**48
98%
Hodgdon VARGET
<<locked>>
81%
51938
81%
**74
100%
Hodgdon TrailBoss
<<locked>>
81%
27963
44%
**83
100%
IMR 4064
<<locked>>
81%
51387
81%
**54
100%
IMR 4166 Enduron
<<locked>>
81%
49995
78%
**22
99%
IMR 4350
<<locked>>
81%
42554
67%
**17
97%
IMR 4451 Enduron
<<locked>>
81%
48501
76%
**22
98%
IMR 4831
<<locked>>
81%
37695
59%
**41
98%
[IMR 4955 Enduron]*
<<locked>>
81%
34751
54%
**30
90%
[IMR 7828 SSC]*
<<locked>>
82%
34664
54%
**12
90%
Lovex S065
<<locked>>
81%
45774
72%
**66
99%
Lovex S070
<<locked>>
81%
44222
69%
**49
98%
[Lovex S071]*
<<locked>>
81%
27717
43%
**75
92%
Norma 204
<<locked>>
81%
42148
66%
**40
95%
[Norma MRP]*
<<locked>>
81%
33736
53%
**21
94%
Norma URP
<<locked>>
81%
43033
67%
**69
99%
Ramshot Hunter
<<locked>>
81%
41930
66%
**59
98%
[Ramshot Magnum]*
<<locked>>
81%
29878
47%
**77
90%
ReloadSwiss RS 14
<<locked>>
81%
28616
45%
**26
100%
ReloadSwiss RS 60
<<locked>>
81%
46514
73%
**13
100%
ReloadSwiss RS 62
<<locked>>
81%
43569
68%
**02
99%
ReloadSwiss RS 70
<<locked>>
81%
41829
66%
**05
99%
[ReloadSwiss RS 76]*
<<locked>>
86%
30124
47%
**36
90%
Rottweil R 903
<<locked>>
81%
50995
80%
**61
100%
[Rottweil R 904]*
<<locked>>
81%
38130
60%
**18
92%
[Rottweil R 905]*
<<locked>>
81%
35853
56%
**15
93%
Rottweil R 907
<<locked>>
81%
47007
74%
**92
98%
SNPE Vectan SP 11
<<locked>>
81%
52344
82%
**20
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
51343
80%
**53
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
45063
71%
**07
98%
Shooters World Long Rifle
<<locked>>
81%
45774
72%
**66
99%
Somchem S355
<<locked>>
81%
50720
79%
**58
100%
[Somchem S361]*
<<locked>>
81%
38638
61%
**02
92%
Somchem S365
<<locked>>
81%
39769
62%
**26
100%
Somchem S385
<<locked>>
81%
36477
57%
**05
95%
Vihtavuori N135
<<locked>>
81%
49472
78%
**56
100%
Vihtavuori N150
<<locked>>
81%
43627
68%
**90
100%
Vihtavuori N160
<<locked>>
81%
46427
73%
**02
100%
[Vihtavuori N165]*
<<locked>>
81%
30472
48%
**41
91%
Vihtavuori N550
<<locked>>
81%
46804
73%
**41
100%
Vihtavuori N555
<<locked>>
81%
34679
54%
**12
98%
[Vihtavuori N560]*
<<locked>>
84%
35723
56%
**57
90%
[Vihtavuori N565]*
<<locked>>
88%
34461
54%
**15
90%
Winchester 6.5 StaBALL
<<locked>>
81%
43555
68%
**33
100%
Winchester 760
<<locked>>
81%
49559
78%
**10
99%
Winchester StaBALL HD
<<locked>>
81%
25585
40%
**16
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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