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Load data for .300 Weath. Mag. + .308 | 180gr | Swift A-Frame

Recommended Powder(s): ADI AR 2209, Alliant Reloder-19, Norma MRP, Rottweil R 905, Somchem S385

.300 Weath. Mag. + .308 | 180gr | Swift A-Frame

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 180gr | Swift A-Frame
Bullet Weight:
180gr | 11.7g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.215" | 30.9mm
Caliber:
.300 Weath. Mag. load data
Case Length (l3):
2.824" | 71.7mm
Cartridge Length (C.O.L.):
3.507" | 89.1mm
Seated Depth:
0.532" | 13.5mm
Shank Seated Depth:
0.532" | 13.5mm
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_B10847_C379
Last updated:
2025-02-02

Load data for 132 loads in caliber .300 Weath. Mag. with .308 | 180gr | Swift A-Frame bullet and 66 powders such as ADI AR 2209, Alliant Reloder-19, Norma MRP, Rottweil R 905, Somchem S385. 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 2209 👍
<<locked>>
92%
57232
90%
**69
99%
ADI AR 2213
<<locked>>
96%
57159
90%
**99
98%
ADI AR 2217
<<locked>>
97%
44164
69%
**49
95%
ADI AR 2225
<<locked>>
97%
39465
62%
**03
97%
Accurate 3100
<<locked>>
95%
56840
89%
**00
100%
Accurate 4350
<<locked>>
86%
56884
89%
**13
100%
Accurate MAGPRO
<<locked>>
96%
57145
90%
**05
97%
Alliant Reloder-16
<<locked>>
88%
57232
90%
**69
100%
Alliant Reloder-17
<<locked>>
83%
56811
89%
**59
100%
Alliant Reloder-19 👍
<<locked>>
93%
57203
90%
**53
99%
Alliant Reloder-22
<<locked>>
96%
57029
89%
**92
99%
Alliant Reloder-23
<<locked>>
97%
57043
89%
**59
100%
Alliant Reloder-25
<<locked>>
97%
49545
78%
**07
100%
Alliant Reloder-26
<<locked>>
92%
56695
89%
**35
100%
Hodgdon H1000
<<locked>>
97%
44164
69%
**49
95%
Hodgdon H414
<<locked>>
83%
57290
90%
**53
100%
Hodgdon H4350
<<locked>>
90%
56797
89%
**97
100%
Hodgdon H4831
<<locked>>
97%
55376
87%
**10
97%
Hodgdon H4831 SC
<<locked>>
94%
57101
89%
**36
98%
Hodgdon Hybrid 100V
<<locked>>
90%
56956
89%
**81
100%
Hodgdon LVR
<<locked>>
86%
57334
90%
**30
100%
Hodgdon Retumbo
<<locked>>
97%
39465
62%
**03
97%
Hodgdon Superperformance
<<locked>>
85%
56985
89%
**72
100%
Hodgdon TrailBoss
<<locked>>
97%
35679
56%
**88
100%
IMR 4166 Enduron
<<locked>>
83%
56927
89%
**58
100%
IMR 4350
<<locked>>
88%
56797
89%
**97
100%
IMR 4451 Enduron
<<locked>>
84%
57145
90%
**87
100%
IMR 4831
<<locked>>
92%
57305
90%
**04
100%
IMR 4955 Enduron
<<locked>>
95%
56811
89%
**94
98%
IMR 7828 SSC
<<locked>>
95%
57130
90%
**12
98%
[IMR 8133 Enduron]*
<<locked>>
97%
35810
56%
**12
92%
Lovex S065
<<locked>>
86%
57392
90%
**77
100%
Lovex S070
<<locked>>
87%
57159
90%
**90
100%
Lovex S071
<<locked>>
97%
51169
80%
**08
100%
Norma 204
<<locked>>
88%
57159
90%
**40
99%
Norma 217
<<locked>>
97%
35636
56%
**38
95%
Norma MRP 👍
<<locked>>
94%
57188
90%
**22
100%
Norma URP
<<locked>>
87%
56884
89%
**20
100%
Ramshot Hunter
<<locked>>
88%
57305
90%
**49
100%
Ramshot Magnum
<<locked>>
96%
57145
90%
**79
100%
ReloadSwiss RS 14
<<locked>>
96%
36419
57%
**27
100%
ReloadSwiss RS 60
<<locked>>
85%
56927
89%
**89
100%
ReloadSwiss RS 62
<<locked>>
86%
56956
89%
**43
100%
ReloadSwiss RS 70
<<locked>>
88%
57101
89%
**95
100%
ReloadSwiss RS 76
<<locked>>
97%
48196
76%
**33
99%
[ReloadSwiss RS 80]*
<<locked>>
97%
43830
69%
**18
94%
Rottweil R 904
<<locked>>
92%
57334
90%
**13
98%
Rottweil R 905 👍
<<locked>>
93%
57029
89%
**59
99%
Rottweil R 907
<<locked>>
85%
57188
90%
**77
100%
SNPE Vectan Tubal 7000
<<locked>>
86%
56942
89%
**28
100%
Shooters World Long Rifle
<<locked>>
86%
57392
90%
**77
100%
Somchem S361
<<locked>>
91%
57058
89%
**74
98%
Somchem S365
<<locked>>
89%
56507
89%
**13
100%
Somchem S385 👍
<<locked>>
93%
57377
90%
**27
100%
Vihtavuori N135
<<locked>>
84%
56913
89%
**62
100%
Vihtavuori N150
<<locked>>
87%
57000
89%
**18
100%
Vihtavuori N160
<<locked>>
85%
57014
89%
**90
100%
Vihtavuori N165
<<locked>>
97%
55622
87%
**81
99%
Vihtavuori N550
<<locked>>
85%
57363
90%
**27
100%
Vihtavuori N555
<<locked>>
93%
56884
89%
**53
100%
Vihtavuori N560
<<locked>>
95%
56869
89%
**12
98%
Vihtavuori N565
<<locked>>
97%
51851
81%
**13
97%
[Vihtavuori N568]*
<<locked>>
97%
45266
71%
**28
94%
Winchester 6.5 StaBALL
<<locked>>
87%
57348
90%
**64
100%
Winchester 760
<<locked>>
83%
57290
90%
**53
100%
Winchester StaBALL HD
<<locked>>
97%
53243
83%
**22
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
39740
62%
**35
95%
[ADI AR 2213]*
<<locked>>
81%
35679
56%
**52
91%
[ADI AR 2217]*
<<locked>>
88%
33257
52%
**80
90%
[ADI AR 2225]*
<<locked>>
85%
27862
44%
**65
90%
Accurate 3100
<<locked>>
81%
36390
57%
**23
97%
Accurate 4350
<<locked>>
81%
47863
75%
**69
100%
[Accurate MAGPRO]*
<<locked>>
83%
37130
58%
**15
90%
Alliant Reloder-16
<<locked>>
81%
45353
71%
**72
100%
Alliant Reloder-17
<<locked>>
81%
52228
82%
**94
100%
Alliant Reloder-19
<<locked>>
81%
39740
62%
**35
95%
[Alliant Reloder-22]*
<<locked>>
81%
35665
56%
**79
94%
Alliant Reloder-23
<<locked>>
81%
34432
54%
**46
99%
Alliant Reloder-25
<<locked>>
81%
30182
47%
**48
95%
Alliant Reloder-26
<<locked>>
81%
37463
59%
**84
99%
[Hodgdon H1000]*
<<locked>>
88%
33257
52%
**80
90%
Hodgdon H414
<<locked>>
81%
53214
83%
**81
100%
Hodgdon H4350
<<locked>>
81%
43613
68%
**54
97%
[Hodgdon H4831]*
<<locked>>
81%
34026
53%
**74
90%
[Hodgdon H4831 SC]*
<<locked>>
81%
37231
58%
**49
92%
Hodgdon Hybrid 100V
<<locked>>
81%
43120
68%
**57
100%
Hodgdon LVR
<<locked>>
81%
49719
78%
**05
100%
[Hodgdon Retumbo]*
<<locked>>
85%
27862
44%
**65
90%
Hodgdon Superperformance
<<locked>>
81%
48646
76%
**31
99%
Hodgdon TrailBoss
<<locked>>
82%
28950
45%
**50
100%
IMR 4166 Enduron
<<locked>>
81%
53040
83%
**92
99%
IMR 4350
<<locked>>
81%
45469
71%
**94
98%
IMR 4451 Enduron
<<locked>>
81%
51532
81%
**89
99%
IMR 4831
<<locked>>
81%
41466
65%
**31
99%
[IMR 4955 Enduron]*
<<locked>>
81%
37507
59%
**23
92%
[IMR 7828 SSC]*
<<locked>>
81%
36448
57%
**92
92%
[IMR 8133 Enduron]*
<<locked>>
94%
32590
51%
**20
90%
Lovex S065
<<locked>>
81%
49530
78%
**46
100%
Lovex S070
<<locked>>
81%
47442
74%
**30
99%
Lovex S071
<<locked>>
81%
31517
49%
**02
95%
Norma 204
<<locked>>
81%
45527
71%
**33
97%
[Norma 217]*
<<locked>>
89%
28369
44%
**15
90%
Norma MRP
<<locked>>
81%
37275
58%
**41
96%
Norma URP
<<locked>>
81%
46499
73%
**53
100%
Ramshot Hunter
<<locked>>
81%
45353
71%
**43
99%
[Ramshot Magnum]*
<<locked>>
81%
32996
52%
**93
93%
ReloadSwiss RS 14
<<locked>>
81%
29182
46%
**77
100%
ReloadSwiss RS 60
<<locked>>
81%
50488
79%
**87
100%
ReloadSwiss RS 62
<<locked>>
81%
47674
75%
**92
100%
ReloadSwiss RS 70
<<locked>>
81%
45295
71%
**95
100%
[ReloadSwiss RS 76]*
<<locked>>
81%
28674
45%
**21
91%
[ReloadSwiss RS 80]*
<<locked>>
91%
35694
56%
**21
90%
[Rottweil R 904]*
<<locked>>
81%
41147
64%
**12
94%
Rottweil R 905
<<locked>>
81%
39291
62%
**18
95%
Rottweil R 907
<<locked>>
81%
50343
79%
**69
99%
SNPE Vectan Tubal 7000
<<locked>>
81%
48327
76%
**87
99%
Shooters World Long Rifle
<<locked>>
81%
49530
78%
**46
100%
[Somchem S361]*
<<locked>>
81%
41930
66%
**08
94%
Somchem S365
<<locked>>
81%
43671
68%
**10
100%
Somchem S385
<<locked>>
81%
39943
63%
**05
97%
Vihtavuori N135
<<locked>>
81%
53229
83%
**20
100%
Vihtavuori N150
<<locked>>
81%
47195
74%
**71
100%
Vihtavuori N160
<<locked>>
81%
50038
78%
**82
100%
[Vihtavuori N165]*
<<locked>>
81%
33663
53%
**54
94%
Vihtavuori N550
<<locked>>
81%
50531
79%
**15
100%
Vihtavuori N555
<<locked>>
81%
38899
61%
**28
99%
[Vihtavuori N560]*
<<locked>>
81%
35636
56%
**82
91%
[Vihtavuori N565]*
<<locked>>
83%
32590
51%
**90
90%
[Vihtavuori N568]*
<<locked>>
91%
37333
59%
**41
90%
Winchester 6.5 StaBALL
<<locked>>
81%
47007
74%
**03
100%
Winchester 760
<<locked>>
81%
53214
83%
**81
100%
Winchester StaBALL HD
<<locked>>
81%
29762
47%
**59
100%

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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