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Load data for .300 Weath. Mag. + .308 | 220gr | Winchester Silvertip

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Recommended Powder(s):

.300 Weath. Mag. + .308 | 220gr | Winchester Silvertip

Load Specifications

Bullet:
.308 | 220gr | Winchester Silvertip
Bullet Weight:
220gr | 14.3g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.000" | 25.4mm
Caliber:
.300 Weath. Mag.
Case Length (l3):
2.824" | 71.7mm
Cartridge Length (C.O.L.):
3.507" | 89.1mm
Seated Depth:
0.317" | 8.1mm
Shank Seated Depth:
0.317" | 8.1mm
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_B6640_C379

>> Use the Personalized Load Calculator further below to adjust input parameters. 

Load data for 102 loads in caliber .300 Weath. Mag. with .308 | 220gr | Winchester Silvertip bullet and 51 powder(s). 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".

    • A load must fulfill certain criteria to be listed in the default view below - see here.

    • Our load data might deviate from other sources - see the most common reasons here

    • All loads are based on the bullet and case dimensions shown under "Load Specifications" - see here what to do if you deviate.

    • You can set your specifications in the "Personalized Load Calculator".

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    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.

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>>
87%
56739
89%
**17
100%
ADI AR 2213 👍
<<locked>>
90%
57116
89%
**62
100%
ADI AR 2217
<<locked>>
97%
52315
82%
**97
100%
ADI AR 2218
<<locked>>
97%
45339
71%
**48
95%
ADI AR 2225
<<locked>>
97%
47340
74%
**57
100%
Accurate 3100
<<locked>>
90%
57029
89%
**61
100%
Accurate MAGPRO 👍
<<locked>>
90%
57261
90%
**76
99%
Alliant Reloder-16
<<locked>>
83%
57377
90%
**07
100%
Alliant Reloder-19
<<locked>>
88%
57087
89%
**17
100%
Alliant Reloder-22
<<locked>>
90%
56739
89%
**43
100%
Alliant Reloder-23
<<locked>>
91%
57246
90%
**90
100%
Alliant Reloder-25
<<locked>>
95%
57217
90%
**69
100%
Alliant Reloder-26
<<locked>>
87%
57116
90%
**69
100%
Alliant Reloder-33
<<locked>>
97%
49661
78%
**13
96%
[Alliant Reloder-50]*
<<locked>>
97%
41945
66%
**69
93%
Hodgdon H1000
<<locked>>
97%
52315
82%
**97
100%
Hodgdon H4350
<<locked>>
85%
57014
89%
**61
100%
Hodgdon H4831
<<locked>>
93%
57159
90%
**10
99%
Hodgdon H4831 SC
<<locked>>
89%
57159
90%
**10
99%
Hodgdon Hybrid 100V
<<locked>>
85%
57145
90%
**28
100%
Hodgdon Retumbo
<<locked>>
97%
47340
74%
**57
100%
IMR 4350
<<locked>>
84%
57029
89%
**57
100%
IMR 4831
<<locked>>
87%
57116
90%
**57
100%
IMR 4955 Enduron
<<locked>>
90%
56971
89%
**77
99%
IMR 7828 SSC
<<locked>>
89%
56884
89%
**72
100%
IMR 7977 Enduron
<<locked>>
95%
57246
90%
**54
95%
IMR 8133 Enduron
<<locked>>
97%
43395
68%
**82
98%
[Lovex D100]*
<<locked>>
97%
52011
82%
**15
92%
Lovex S071
<<locked>>
95%
57421
90%
**64
100%
Norma 204
<<locked>>
83%
57261
90%
**10
100%
Norma 217
<<locked>>
97%
43888
69%
**98
100%
Norma MRP
<<locked>>
88%
57188
90%
**72
100%
Ramshot Hunter
<<locked>>
83%
57276
90%
**00
100%
Ramshot Magnum
<<locked>>
91%
56985
89%
**33
100%
ReloadSwiss RS 14
<<locked>>
96%
36898
58%
**83
100%
ReloadSwiss RS 76 👍
<<locked>>
95%
56652
89%
**35
100%
ReloadSwiss RS 80
<<locked>>
97%
55042
86%
**89
99%
Rottweil R 904
<<locked>>
87%
56869
89%
**80
100%
Rottweil R 905
<<locked>>
88%
57406
90%
**23
100%
Somchem S361
<<locked>>
86%
56956
89%
**61
99%
Somchem S365
<<locked>>
84%
57377
90%
**64
100%
Somchem S385
<<locked>>
87%
57101
89%
**80
100%
Vihtavuori N150
<<locked>>
83%
57348
90%
**79
100%
Vihtavuori N165
<<locked>>
93%
57174
90%
**77
100%
[Vihtavuori N170]*
<<locked>>
97%
48892
77%
**72
94%
Vihtavuori N555
<<locked>>
88%
56855
89%
**84
100%
Vihtavuori N560 👍
<<locked>>
90%
57319
90%
**85
100%
Vihtavuori N565 👍
<<locked>>
94%
56942
89%
**62
100%
Vihtavuori N568
<<locked>>
97%
55680
87%
**92
99%
Vihtavuori N570
<<locked>>
97%
52953
83%
**82
97%
Winchester StaBALL HD
<<locked>>
92%
57334
90%
**89
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
46383
73%
**52
99%
ADI AR 2213
<<locked>>
81%
41611
65%
**93
97%
[ADI AR 2217]*
<<locked>>
81%
30951
49%
**51
93%
[ADI AR 2218]*
<<locked>>
91%
36622
57%
**44
90%
ADI AR 2225
<<locked>>
81%
28253
44%
**15
95%
Accurate 3100
<<locked>>
81%
42250
66%
**34
100%
Accurate MAGPRO
<<locked>>
81%
41162
64%
**93
95%
Alliant Reloder-16
<<locked>>
81%
53330
84%
**54
100%
Alliant Reloder-19
<<locked>>
81%
46340
73%
**46
99%
Alliant Reloder-22
<<locked>>
81%
42177
66%
**03
99%
Alliant Reloder-23
<<locked>>
81%
40785
64%
**48
100%
Alliant Reloder-25
<<locked>>
81%
35114
55%
**85
99%
Alliant Reloder-26
<<locked>>
81%
45730
72%
**05
100%
[Alliant Reloder-33]*
<<locked>>
87%
34563
54%
**02
90%
[Alliant Reloder-50]*
<<locked>>
92%
35201
55%
**18
90%
[Hodgdon H1000]*
<<locked>>
81%
30951
49%
**51
93%
Hodgdon H4350
<<locked>>
81%
49748
78%
**56
100%
Hodgdon H4831
<<locked>>
81%
39059
61%
**92
96%
Hodgdon H4831 SC
<<locked>>
81%
43526
68%
**90
97%
Hodgdon Hybrid 100V
<<locked>>
81%
50169
79%
**36
100%
Hodgdon Retumbo
<<locked>>
81%
28253
44%
**15
95%
IMR 4350
<<locked>>
81%
52054
82%
**85
100%
IMR 4831
<<locked>>
81%
48008
75%
**20
100%
IMR 4955 Enduron
<<locked>>
81%
42757
67%
**38
97%
IMR 7828 SSC
<<locked>>
81%
42801
67%
**33
98%
[IMR 7977 Enduron]*
<<locked>>
86%
42235
66%
**92
90%
[IMR 8133 Enduron]*
<<locked>>
82%
26281
41%
**56
90%
[Lovex D100]*
<<locked>>
94%
46543
73%
**23
90%
Lovex S071
<<locked>>
81%
36245
57%
**13
99%
Norma 204
<<locked>>
81%
52779
83%
**41
100%
[Norma 217]*
<<locked>>
81%
25701
40%
**59
93%
Norma MRP
<<locked>>
81%
44454
70%
**72
100%
Ramshot Hunter
<<locked>>
81%
52866
83%
**38
100%
Ramshot Magnum
<<locked>>
81%
39465
62%
**54
99%
ReloadSwiss RS 14
<<locked>>
92%
34824
55%
**47
100%
ReloadSwiss RS 76
<<locked>>
81%
33431
52%
**95
98%
[ReloadSwiss RS 80]*
<<locked>>
81%
30356
48%
**87
91%
Rottweil R 904
<<locked>>
81%
47166
74%
**23
99%
Rottweil R 905
<<locked>>
81%
45788
72%
**33
99%
Somchem S361
<<locked>>
81%
48196
76%
**20
98%
Somchem S365
<<locked>>
81%
51517
81%
**89
100%
Somchem S385
<<locked>>
81%
46267
73%
**16
100%
Vihtavuori N150
<<locked>>
81%
53374
84%
**26
100%
Vihtavuori N165
<<locked>>
81%
39291
62%
**75
98%
[Vihtavuori N170]*
<<locked>>
88%
37449
59%
**52
90%
Vihtavuori N555
<<locked>>
81%
45585
71%
**20
100%
Vihtavuori N560
<<locked>>
81%
42134
66%
**20
97%
Vihtavuori N565
<<locked>>
81%
36767
58%
**95
96%
[Vihtavuori N568]*
<<locked>>
81%
31865
50%
**16
91%
[Vihtavuori N570]*
<<locked>>
85%
35505
56%
**28
90%
Winchester StaBALL HD
<<locked>>
81%
38116
60%
**97
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.

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