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

Recommended Powder(s): Alliant Reloder-26, Hodgdon H4350, Ramshot Hunter, Vihtavuori N555, Winchester StaBALL HD

.300 Win. 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 Win. Mag. load data
Case Length (l3):
2.620" | 66.5mm
Cartridge Length (C.O.L.):
3.290" | 83.6mm
Seated Depth:
0.545" | 13.8mm
Shank Seated Depth:
0.545" | 13.8mm
Case Capacity:
90.5 Grains of Water | 5.88 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
62366 psi | 4300 bar
LID:
LID_B10847_C380
Last updated:
2025-02-02

Load data for 142 loads in caliber .300 Win. Mag. with .308 | 180gr | Swift A-Frame bullet and 71 powders such as Alliant Reloder-26, Hodgdon H4350, 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%
56086
90%
**12
100%
ADI AR 2209
<<locked>>
95%
55927
90%
**04
98%
ADI AR 2213
<<locked>>
97%
53679
86%
**94
97%
[ADI AR 2217]*
<<locked>>
97%
39407
63%
**95
92%
[ADI AR 2225]*
<<locked>>
97%
35447
57%
**66
94%
Accurate 2700
<<locked>>
85%
55535
89%
**69
99%
Accurate 3100
<<locked>>
97%
53983
87%
**22
100%
Accurate 4350
<<locked>>
89%
55840
90%
**64
100%
Accurate MAGPRO
<<locked>>
97%
52228
84%
**97
95%
Alliant Reloder- TS 15.5
<<locked>>
83%
55738
89%
**08
100%
Alliant Reloder-16
<<locked>>
91%
55898
90%
**13
100%
Alliant Reloder-17
<<locked>>
86%
55767
89%
**17
100%
Alliant Reloder-19
<<locked>>
95%
56014
90%
**04
99%
Alliant Reloder-22
<<locked>>
97%
53040
85%
**04
98%
Alliant Reloder-23
<<locked>>
97%
50575
81%
**41
100%
Alliant Reloder-25
<<locked>>
97%
44280
71%
**66
99%
Alliant Reloder-26 👍
<<locked>>
96%
55492
89%
**95
100%
[Hodgdon H1000]*
<<locked>>
97%
39407
63%
**95
92%
Hodgdon H414
<<locked>>
85%
55782
89%
**90
99%
Hodgdon H4350 👍
<<locked>>
93%
56086
90%
**48
99%
Hodgdon H4831
<<locked>>
97%
49748
80%
**69
95%
Hodgdon H4831 SC
<<locked>>
97%
56101
90%
**84
97%
Hodgdon Hybrid 100V
<<locked>>
92%
55579
89%
**28
100%
Hodgdon LVR
<<locked>>
88%
55709
89%
**71
100%
[Hodgdon Retumbo]*
<<locked>>
97%
35447
57%
**66
94%
Hodgdon Superperformance
<<locked>>
88%
55492
89%
**20
99%
Hodgdon VARGET
<<locked>>
84%
55724
89%
**02
100%
Hodgdon TrailBoss
<<locked>>
96%
34983
56%
**32
100%
IMR 4064
<<locked>>
85%
56072
90%
**02
100%
IMR 4166 Enduron
<<locked>>
85%
56072
90%
**02
99%
IMR 4350
<<locked>>
91%
55869
90%
**35
99%
IMR 4451 Enduron
<<locked>>
86%
55492
89%
**15
99%
IMR 4831
<<locked>>
94%
55709
89%
**48
100%
IMR 4955 Enduron
<<locked>>
97%
55216
89%
**28
97%
IMR 7828 SSC
<<locked>>
97%
55303
89%
**40
97%
Lovex S065
<<locked>>
88%
55796
89%
**15
100%
Lovex S070
<<locked>>
89%
55535
89%
**35
99%
Lovex S071
<<locked>>
97%
45484
73%
**80
99%
Norma 204
<<locked>>
90%
56086
90%
**81
98%
Norma MRP
<<locked>>
97%
56014
90%
**82
100%
Norma URP
<<locked>>
90%
55869
90%
**74
100%
Ramshot Hunter 👍
<<locked>>
91%
56086
90%
**97
100%
Ramshot Magnum
<<locked>>
97%
51605
83%
**61
99%
ReloadSwiss RS 14
<<locked>>
97%
36071
58%
**78
100%
ReloadSwiss RS 60
<<locked>>
87%
56086
90%
**43
100%
ReloadSwiss RS 62
<<locked>>
89%
55811
89%
**94
100%
ReloadSwiss RS 70
<<locked>>
90%
55637
89%
**43
100%
ReloadSwiss RS 76
<<locked>>
97%
43047
69%
**89
98%
Rottweil R 903
<<locked>>
84%
55927
90%
**12
100%
Rottweil R 904
<<locked>>
94%
55564
89%
**48
97%
Rottweil R 905
<<locked>>
95%
55550
89%
**94
99%
Rottweil R 907
<<locked>>
87%
55521
89%
**08
99%
SNPE Vectan SP 11
<<locked>>
84%
55782
89%
**48
100%
SNPE Vectan Tubal 5000
<<locked>>
84%
55259
89%
**80
100%
SNPE Vectan Tubal 7000
<<locked>>
88%
55361
89%
**66
99%
Shooters World Long Rifle
<<locked>>
88%
55796
89%
**15
100%
Somchem S355
<<locked>>
84%
55521
89%
**02
100%
Somchem S361
<<locked>>
93%
55695
89%
**15
97%
Somchem S365
<<locked>>
92%
55637
89%
**81
100%
Somchem S385
<<locked>>
95%
56072
90%
**64
99%
Vihtavuori N135
<<locked>>
86%
55695
89%
**17
100%
Vihtavuori N150
<<locked>>
90%
56072
90%
**79
100%
Vihtavuori N160
<<locked>>
87%
55956
90%
**31
100%
Vihtavuori N165
<<locked>>
97%
49342
79%
**49
98%
Vihtavuori N550
<<locked>>
87%
55941
90%
**77
100%
Vihtavuori N555 👍
<<locked>>
96%
55970
90%
**04
100%
Vihtavuori N560
<<locked>>
97%
53606
86%
**27
97%
Vihtavuori N565
<<locked>>
97%
45934
74%
**69
95%
Winchester 6.5 StaBALL
<<locked>>
89%
55825
90%
**15
100%
Winchester 760
<<locked>>
85%
55782
89%
**90
99%
Winchester StaBALL HD 👍
<<locked>>
97%
45455
73%
**00
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
51358
82%
**40
100%
[ADI AR 2209]*
<<locked>>
81%
36158
58%
**13
93%
[ADI AR 2213]*
<<locked>>
84%
35215
56%
**07
90%
[ADI AR 2217]*
<<locked>>
93%
35491
57%
**97
90%
[ADI AR 2225]*
<<locked>>
91%
29820
48%
**88
90%
Accurate 2700
<<locked>>
81%
49647
80%
**71
98%
Accurate 3100
<<locked>>
81%
32445
52%
**98
95%
Accurate 4350
<<locked>>
81%
42989
69%
**54
99%
[Accurate MAGPRO]*
<<locked>>
88%
39102
63%
**28
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
52228
84%
**56
100%
Alliant Reloder-16
<<locked>>
81%
41031
66%
**51
99%
Alliant Reloder-17
<<locked>>
81%
46775
75%
**76
100%
[Alliant Reloder-19]*
<<locked>>
81%
35984
58%
**07
93%
[Alliant Reloder-22]*
<<locked>>
81%
32227
52%
**48
91%
Alliant Reloder-23
<<locked>>
81%
30922
50%
**31
98%
[Alliant Reloder-25]*
<<locked>>
81%
27427
44%
**26
92%
Alliant Reloder-26
<<locked>>
81%
33156
53%
**43
97%
[Hodgdon H1000]*
<<locked>>
93%
35491
57%
**97
90%
Hodgdon H414
<<locked>>
81%
48385
78%
**66
98%
Hodgdon H4350
<<locked>>
81%
39929
64%
**49
96%
[Hodgdon H4831]*
<<locked>>
86%
35766
57%
**80
90%
[Hodgdon H4831 SC]*
<<locked>>
83%
35766
57%
**80
90%
Hodgdon Hybrid 100V
<<locked>>
81%
38856
62%
**49
100%
Hodgdon LVR
<<locked>>
81%
45136
72%
**87
99%
[Hodgdon Retumbo]*
<<locked>>
91%
29820
48%
**88
90%
Hodgdon Superperformance
<<locked>>
81%
43598
70%
**13
97%
Hodgdon VARGET
<<locked>>
81%
51010
82%
**26
100%
Hodgdon TrailBoss
<<locked>>
87%
30980
50%
**50
100%
IMR 4064
<<locked>>
81%
50560
81%
**10
100%
IMR 4166 Enduron
<<locked>>
81%
49298
79%
**87
99%
IMR 4350
<<locked>>
81%
41771
67%
**79
96%
IMR 4451 Enduron
<<locked>>
81%
47776
77%
**87
98%
IMR 4831
<<locked>>
81%
37579
60%
**26
98%
[IMR 4955 Enduron]*
<<locked>>
81%
34925
56%
**21
90%
[IMR 7828 SSC]*
<<locked>>
83%
34780
56%
**07
90%
Lovex S065
<<locked>>
81%
45571
73%
**38
99%
Lovex S070
<<locked>>
81%
43613
70%
**21
98%
[Lovex S071]*
<<locked>>
81%
28239
45%
**90
93%
Norma 204
<<locked>>
81%
41234
66%
**08
95%
[Norma MRP]*
<<locked>>
81%
33344
53%
**10
94%
Norma URP
<<locked>>
81%
42322
68%
**44
99%
Ramshot Hunter
<<locked>>
81%
41075
66%
**35
98%
[Ramshot Magnum]*
<<locked>>
81%
29820
48%
**65
90%
ReloadSwiss RS 14
<<locked>>
83%
29791
48%
**50
100%
ReloadSwiss RS 60
<<locked>>
81%
45324
73%
**69
100%
ReloadSwiss RS 62
<<locked>>
81%
42714
68%
**67
99%
ReloadSwiss RS 70
<<locked>>
81%
41075
66%
**74
99%
[ReloadSwiss RS 76]*
<<locked>>
86%
29936
48%
**21
90%
Rottweil R 903
<<locked>>
81%
50198
80%
**30
100%
[Rottweil R 904]*
<<locked>>
81%
37652
60%
**97
92%
[Rottweil R 905]*
<<locked>>
81%
35157
56%
**97
93%
Rottweil R 907
<<locked>>
81%
46427
74%
**61
98%
SNPE Vectan SP 11
<<locked>>
81%
50952
82%
**72
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
50488
81%
**12
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
44382
71%
**85
98%
Shooters World Long Rifle
<<locked>>
81%
45571
73%
**38
99%
Somchem S355
<<locked>>
81%
50053
80%
**23
100%
[Somchem S361]*
<<locked>>
81%
38450
62%
**93
92%
Somchem S365
<<locked>>
81%
38754
62%
**98
100%
[Somchem S385]*
<<locked>>
81%
36216
58%
**87
94%
Vihtavuori N135
<<locked>>
81%
49008
79%
**21
100%
Vihtavuori N150
<<locked>>
81%
43047
69%
**66
100%
Vihtavuori N160
<<locked>>
81%
45324
73%
**64
100%
[Vihtavuori N165]*
<<locked>>
81%
30298
49%
**36
91%
Vihtavuori N550
<<locked>>
81%
46340
74%
**17
100%
Vihtavuori N555
<<locked>>
81%
34708
56%
**13
98%
[Vihtavuori N560]*
<<locked>>
84%
35839
57%
**56
90%
[Vihtavuori N565]*
<<locked>>
88%
34301
55%
**13
90%
Winchester 6.5 StaBALL
<<locked>>
81%
42627
68%
**98
100%
Winchester 760
<<locked>>
81%
48385
78%
**66
98%
Winchester StaBALL HD
<<locked>>
81%
27557
44%
**15
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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