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Load data for .300 Weath. Mag. + .308 | 165gr | Swift A-Frame

Recommended Powder(s): Alliant Reloder-23, Alliant Reloder-26, Ramshot Hunter, Vihtavuori N555, Winchester StaBALL HD

.300 Weath. Mag. + .308 | 165gr | Swift A-Frame

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 165gr | Swift A-Frame
Bullet Weight:
165gr | 10.7g
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_B10844_C379
Last updated:
2025-02-02

Load data for 142 loads in caliber .300 Weath. Mag. with .308 | 165gr | Swift A-Frame bullet and 71 powders such as Alliant Reloder-23, Alliant Reloder-26, 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>>
83%
56985
89%
**86
100%
ADI AR 2209
<<locked>>
94%
56869
89%
**71
98%
ADI AR 2213
<<locked>>
97%
56565
89%
**00
97%
[ADI AR 2217]*
<<locked>>
97%
41800
66%
**95
93%
ADI AR 2225
<<locked>>
97%
37405
59%
**46
95%
Accurate 2700
<<locked>>
84%
57348
90%
**53
99%
Accurate 3100
<<locked>>
97%
57348
90%
**22
100%
Accurate 4350
<<locked>>
88%
57406
90%
**45
100%
Accurate MAGPRO
<<locked>>
97%
56173
88%
**10
96%
Alliant Reloder-16
<<locked>>
90%
57043
89%
**87
100%
Alliant Reloder-17
<<locked>>
85%
57217
90%
**91
100%
Alliant Reloder-19
<<locked>>
94%
57421
90%
**77
99%
Alliant Reloder-22
<<locked>>
97%
56434
88%
**00
99%
Alliant Reloder-23 👍
<<locked>>
97%
53824
84%
**28
100%
Alliant Reloder-25
<<locked>>
97%
46485
73%
**49
99%
Alliant Reloder-26 👍
<<locked>>
95%
57363
90%
**73
100%
[Hodgdon H1000]*
<<locked>>
97%
41800
66%
**95
93%
Hodgdon H414
<<locked>>
84%
56797
89%
**61
99%
Hodgdon H4350
<<locked>>
92%
57072
89%
**09
99%
Hodgdon H4831
<<locked>>
97%
52344
82%
**63
96%
Hodgdon H4831 SC
<<locked>>
96%
57276
90%
**54
97%
Hodgdon Hybrid 100V
<<locked>>
91%
56710
89%
**99
100%
Hodgdon LVR
<<locked>>
87%
57232
90%
**48
100%
Hodgdon Retumbo
<<locked>>
97%
37405
59%
**46
95%
Hodgdon Superperformance
<<locked>>
87%
56985
89%
**97
99%
Hodgdon VARGET
<<locked>>
84%
57130
90%
**82
100%
Hodgdon TrailBoss
<<locked>>
96%
35302
55%
**67
100%
IMR 4064
<<locked>>
84%
56898
89%
**72
100%
IMR 4166 Enduron
<<locked>>
85%
57116
90%
**72
99%
IMR 4350
<<locked>>
90%
57406
90%
**18
99%
IMR 4451 Enduron
<<locked>>
86%
57319
90%
**05
99%
IMR 4831
<<locked>>
93%
57072
89%
**28
100%
IMR 4955 Enduron
<<locked>>
97%
57203
90%
**15
97%
IMR 7828 SSC
<<locked>>
96%
57058
89%
**23
98%
Lovex S065
<<locked>>
87%
57334
90%
**89
100%
Lovex S070
<<locked>>
88%
57072
89%
**09
100%
Lovex S071
<<locked>>
97%
48008
75%
**64
99%
Norma 204
<<locked>>
90%
57406
90%
**54
98%
[Norma 217]*
<<locked>>
97%
33504
52%
**64
92%
Norma MRP
<<locked>>
96%
57406
90%
**50
100%
Norma URP
<<locked>>
89%
57421
90%
**51
100%
Ramshot Hunter 👍
<<locked>>
90%
56956
89%
**68
100%
Ramshot Magnum
<<locked>>
97%
54984
86%
**54
99%
ReloadSwiss RS 14
<<locked>>
96%
36013
56%
**06
100%
ReloadSwiss RS 60
<<locked>>
86%
57188
90%
**17
100%
ReloadSwiss RS 62
<<locked>>
88%
56927
89%
**64
100%
ReloadSwiss RS 70
<<locked>>
89%
57145
90%
**23
100%
ReloadSwiss RS 76
<<locked>>
97%
45556
71%
**76
98%
Rottweil R 903
<<locked>>
84%
57421
90%
**86
100%
Rottweil R 904
<<locked>>
93%
57188
90%
**18
98%
Rottweil R 905
<<locked>>
95%
57363
90%
**77
99%
Rottweil R 907
<<locked>>
87%
57348
90%
**99
99%
SNPE Vectan SP 11
<<locked>>
83%
57043
89%
**22
100%
SNPE Vectan Tubal 5000
<<locked>>
84%
56927
89%
**61
100%
SNPE Vectan Tubal 7000
<<locked>>
88%
57145
90%
**46
99%
Shooters World Long Rifle
<<locked>>
87%
57334
90%
**89
100%
Somchem S355
<<locked>>
84%
57000
89%
**86
100%
Somchem S361
<<locked>>
92%
57246
90%
**89
97%
Somchem S365
<<locked>>
91%
56753
89%
**45
100%
Somchem S385
<<locked>>
94%
57029
89%
**28
99%
Vihtavuori N135
<<locked>>
85%
57029
89%
**97
100%
Vihtavuori N150
<<locked>>
89%
56826
89%
**36
100%
Vihtavuori N160
<<locked>>
87%
57334
90%
**05
100%
Vihtavuori N165
<<locked>>
97%
52257
82%
**43
98%
Vihtavuori N550
<<locked>>
86%
57421
90%
**48
100%
Vihtavuori N555 👍
<<locked>>
95%
57203
90%
**77
100%
Vihtavuori N560
<<locked>>
97%
56623
89%
**23
97%
Vihtavuori N565
<<locked>>
97%
49168
77%
**66
96%
Winchester 6.5 StaBALL
<<locked>>
88%
57043
89%
**72
100%
Winchester 760
<<locked>>
84%
56797
89%
**61
99%
Winchester StaBALL HD 👍
<<locked>>
97%
49864
78%
**00
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
53214
83%
**27
100%
[ADI AR 2209]*
<<locked>>
81%
37927
59%
**87
93%
[ADI AR 2213]*
<<locked>>
83%
35969
56%
**54
90%
[ADI AR 2217]*
<<locked>>
92%
35969
56%
**41
90%
[ADI AR 2225]*
<<locked>>
89%
30139
47%
**23
90%
Accurate 2700
<<locked>>
81%
51779
81%
**54
98%
Accurate 3100
<<locked>>
81%
34156
54%
**72
95%
Accurate 4350
<<locked>>
81%
45455
71%
**44
100%
[Accurate MAGPRO]*
<<locked>>
87%
40103
63%
**85
90%
Alliant Reloder-16
<<locked>>
81%
43236
68%
**41
100%
Alliant Reloder-17
<<locked>>
81%
49327
77%
**72
100%
[Alliant Reloder-19]*
<<locked>>
81%
37840
59%
**87
93%
[Alliant Reloder-22]*
<<locked>>
81%
33794
53%
**21
92%
Alliant Reloder-23
<<locked>>
81%
32532
51%
**98
98%
[Alliant Reloder-25]*
<<locked>>
81%
28732
45%
**84
92%
Alliant Reloder-26
<<locked>>
81%
35346
55%
**26
97%
[Hodgdon H1000]*
<<locked>>
92%
35969
56%
**41
90%
Hodgdon H414
<<locked>>
81%
50705
79%
**56
99%
Hodgdon H4350
<<locked>>
81%
41394
65%
**13
96%
[Hodgdon H4831]*
<<locked>>
85%
36608
57%
**35
90%
[Hodgdon H4831 SC]*
<<locked>>
82%
36869
58%
**38
90%
Hodgdon Hybrid 100V
<<locked>>
81%
40756
64%
**23
100%
Hodgdon LVR
<<locked>>
81%
47442
74%
**74
99%
[Hodgdon Retumbo]*
<<locked>>
89%
30139
47%
**23
90%
Hodgdon Superperformance
<<locked>>
81%
45701
72%
**97
98%
Hodgdon VARGET
<<locked>>
81%
52895
83%
**13
100%
Hodgdon TrailBoss
<<locked>>
81%
28239
44%
**06
100%
IMR 4064
<<locked>>
81%
52489
82%
**00
100%
IMR 4166 Enduron
<<locked>>
81%
51097
80%
**74
99%
IMR 4350
<<locked>>
81%
43540
68%
**59
97%
IMR 4451 Enduron
<<locked>>
81%
49574
78%
**64
98%
IMR 4831
<<locked>>
81%
39131
61%
**90
99%
[IMR 4955 Enduron]*
<<locked>>
81%
35969
56%
**82
90%
[IMR 7828 SSC]*
<<locked>>
82%
35998
56%
**74
90%
Lovex S065
<<locked>>
81%
47137
74%
**18
99%
Lovex S070
<<locked>>
81%
45455
71%
**99
98%
[Lovex S071]*
<<locked>>
81%
29776
47%
**51
93%
Norma 204
<<locked>>
81%
43453
68%
**92
95%
[Norma 217]*
<<locked>>
93%
30298
47%
**69
90%
[Norma MRP]*
<<locked>>
81%
35273
55%
**94
94%
Norma URP
<<locked>>
81%
44324
69%
**22
99%
Ramshot Hunter
<<locked>>
81%
43062
67%
**08
98%
[Ramshot Magnum]*
<<locked>>
81%
31444
49%
**33
91%
ReloadSwiss RS 14
<<locked>>
81%
28906
45%
**52
100%
ReloadSwiss RS 60
<<locked>>
81%
47718
75%
**63
100%
ReloadSwiss RS 62
<<locked>>
81%
45063
71%
**61
99%
ReloadSwiss RS 70
<<locked>>
81%
43149
68%
**61
99%
[ReloadSwiss RS 76]*
<<locked>>
85%
30516
48%
**66
90%
Rottweil R 903
<<locked>>
81%
52388
82%
**10
100%
[Rottweil R 904]*
<<locked>>
81%
39334
62%
**71
93%
[Rottweil R 905]*
<<locked>>
81%
37159
58%
**74
93%
Rottweil R 907
<<locked>>
81%
48399
76%
**44
98%
SNPE Vectan SP 11
<<locked>>
81%
53171
83%
**59
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
52330
82%
**92
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
46238
72%
**66
98%
Shooters World Long Rifle
<<locked>>
81%
47137
74%
**18
99%
Somchem S355
<<locked>>
81%
52185
82%
**07
100%
[Somchem S361]*
<<locked>>
81%
39900
63%
**54
92%
Somchem S365
<<locked>>
81%
41278
65%
**89
100%
Somchem S385
<<locked>>
81%
37956
59%
**57
95%
Vihtavuori N135
<<locked>>
81%
50879
80%
**05
100%
Vihtavuori N150
<<locked>>
81%
44933
70%
**43
100%
Vihtavuori N160
<<locked>>
81%
47659
75%
**51
100%
[Vihtavuori N165]*
<<locked>>
81%
31749
50%
**93
91%
Vihtavuori N550
<<locked>>
81%
48167
75%
**94
100%
Vihtavuori N555
<<locked>>
81%
36347
57%
**74
98%
[Vihtavuori N560]*
<<locked>>
83%
36666
57%
**03
90%
[Vihtavuori N565]*
<<locked>>
87%
35302
55%
**57
90%
Winchester 6.5 StaBALL
<<locked>>
81%
44730
70%
**82
100%
Winchester 760
<<locked>>
81%
50705
79%
**56
99%
Winchester StaBALL HD
<<locked>>
81%
27064
42%
**89
98%

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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