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Load data for .300 Weath. Mag. + .308 | 165gr | Sierra SBT GameKing

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Recommended Powder(s):

.300 Weath. Mag. + .308 | 165gr | Sierra SBT GameKing

Load Specifications

Bullet:
.308 | 165gr | Sierra SBT GameKing
Manufacturer SKU:
2145
Bullet Weight:
165gr | 10.7g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.186" | 30.1mm
Caliber:
.300 Weath. Mag.
Case Length (l3):
2.824" | 71.7mm
Cartridge Length (C.O.L.):
3.507" | 89.1mm
Seated Depth:
0.503" | 12.8mm
Shank Seated Depth:
0.368" | 9.4mm
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_B5882_C379

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

Load data for 146 loads in caliber .300 Weath. Mag. with .308 | 165gr | Sierra SBT GameKing bullet and 73 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".

    • Go to the bottom of the "My Account " page to set the measure system (imperial vs. metric) 

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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 2208
<<locked>>
84%
56985
89%
**86
100%
ADI AR 2209
<<locked>>
95%
57377
90%
**94
99%
ADI AR 2213
<<locked>>
97%
54375
85%
**68
97%
[ADI AR 2217]*
<<locked>>
97%
39581
62%
**43
92%
[ADI AR 2225]*
<<locked>>
97%
35259
55%
**94
94%
Accurate 2700
<<locked>>
85%
56956
89%
**49
99%
Accurate 3100
<<locked>>
97%
54302
85%
**89
100%
Accurate 4350
<<locked>>
90%
57072
89%
**48
100%
Accurate MAGPRO
<<locked>>
97%
52794
83%
**51
95%
Alliant Reloder- TS 15.5
<<locked>>
84%
57363
90%
**09
100%
Alliant Reloder-16
<<locked>>
91%
57421
90%
**07
100%
Alliant Reloder-17
<<locked>>
86%
56724
89%
**97
100%
Alliant Reloder-19
<<locked>>
96%
57217
90%
**84
99%
Alliant Reloder-22
<<locked>>
97%
53650
84%
**71
98%
Alliant Reloder-23
<<locked>>
97%
51097
80%
**02
100%
Alliant Reloder-25
<<locked>>
97%
44106
69%
**17
99%
Alliant Reloder-26 👍
<<locked>>
96%
57014
89%
**66
100%
[Hodgdon H1000]*
<<locked>>
97%
39581
62%
**43
92%
Hodgdon H380
<<locked>>
83%
56942
89%
**15
100%
Hodgdon H414
<<locked>>
86%
57159
90%
**81
100%
Hodgdon H4350
<<locked>>
93%
57406
90%
**25
99%
Hodgdon H4831
<<locked>>
97%
50125
79%
**40
95%
Hodgdon H4831 SC
<<locked>>
97%
57072
89%
**51
97%
Hodgdon Hybrid 100V
<<locked>>
93%
56985
89%
**09
100%
Hodgdon LVR
<<locked>>
88%
56971
89%
**48
100%
[Hodgdon Retumbo]*
<<locked>>
97%
35259
55%
**94
94%
Hodgdon Superperformance
<<locked>>
88%
57276
90%
**00
99%
Hodgdon VARGET
<<locked>>
85%
57174
90%
**95
100%
Hodgdon TrailBoss
<<locked>>
97%
35056
55%
**64
100%
IMR 4064
<<locked>>
85%
56811
89%
**76
100%
IMR 4166 Enduron
<<locked>>
86%
57145
90%
**86
99%
IMR 4350
<<locked>>
91%
57261
90%
**18
99%
IMR 4451 Enduron
<<locked>>
87%
57290
90%
**05
99%
IMR 4831
<<locked>>
95%
57305
90%
**38
100%
IMR 4955 Enduron
<<locked>>
97%
55201
87%
**89
97%
IMR 7828 SSC
<<locked>>
97%
56318
88%
**20
97%
Lovex S065
<<locked>>
89%
57319
90%
**05
100%
Lovex S070
<<locked>>
90%
57363
90%
**28
100%
Lovex S071
<<locked>>
97%
44889
70%
**18
98%
Norma 204
<<locked>>
91%
57290
90%
**64
98%
Norma MRP
<<locked>>
97%
56985
89%
**56
100%
Norma URP
<<locked>>
90%
56985
89%
**58
100%
Ramshot Hunter 👍
<<locked>>
91%
57217
90%
**74
100%
Ramshot Magnum
<<locked>>
97%
52156
82%
**22
99%
ReloadSwiss RS 14
<<locked>>
96%
35694
56%
**09
100%
ReloadSwiss RS 50
<<locked>>
83%
57188
90%
**05
100%
ReloadSwiss RS 60
<<locked>>
87%
56840
89%
**14
100%
ReloadSwiss RS 62
<<locked>>
90%
57101
89%
**71
100%
ReloadSwiss RS 70 👍
<<locked>>
90%
56942
89%
**20
100%
ReloadSwiss RS 76
<<locked>>
97%
43062
67%
**30
97%
Rottweil R 903
<<locked>>
85%
56826
89%
**95
100%
Rottweil R 904
<<locked>>
94%
57043
89%
**28
98%
Rottweil R 905
<<locked>>
96%
57000
89%
**71
99%
Rottweil R 907
<<locked>>
88%
57203
90%
**99
99%
SNPE Vectan SP 11
<<locked>>
84%
56811
89%
**31
100%
SNPE Vectan Tubal 5000
<<locked>>
85%
56855
89%
**64
100%
SNPE Vectan Tubal 7000
<<locked>>
89%
56652
89%
**53
99%
Shooters World Long Rifle
<<locked>>
89%
57319
90%
**05
100%
Somchem S355
<<locked>>
85%
57116
89%
**95
100%
Somchem S361
<<locked>>
93%
56971
89%
**95
97%
Somchem S365
<<locked>>
93%
57348
90%
**71
100%
Somchem S385
<<locked>>
95%
56971
89%
**45
99%
Vihtavuori N135
<<locked>>
87%
57276
90%
**10
100%
Vihtavuori N150
<<locked>>
90%
57058
89%
**56
100%
Vihtavuori N160
<<locked>>
88%
57072
89%
**15
100%
Vihtavuori N165
<<locked>>
97%
49850
78%
**07
98%
Vihtavuori N550
<<locked>>
87%
56782
89%
**51
100%
Vihtavuori N555 👍
<<locked>>
97%
57014
89%
**77
100%
Vihtavuori N560
<<locked>>
97%
54012
85%
**97
97%
Vihtavuori N565
<<locked>>
97%
46137
72%
**17
95%
Winchester 6.5 StaBALL
<<locked>>
89%
56826
89%
**79
100%
Winchester 760
<<locked>>
86%
57159
90%
**81
100%
Winchester StaBALL HD 👍
<<locked>>
97%
46601
73%
**58
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
51126
80%
**00
100%
[ADI AR 2209]*
<<locked>>
81%
35824
56%
**48
92%
[ADI AR 2213]*
<<locked>>
85%
36187
57%
**74
90%
[ADI AR 2217]*
<<locked>>
94%
36303
57%
**57
90%
[ADI AR 2225]*
<<locked>>
92%
30313
47%
**33
90%
Accurate 2700
<<locked>>
81%
49501
78%
**31
98%
[Accurate 3100]*
<<locked>>
81%
31343
49%
**13
94%
Accurate 4350
<<locked>>
81%
42482
67%
**95
99%
[Accurate MAGPRO]*
<<locked>>
89%
40161
63%
**99
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
52083
82%
**20
100%
Alliant Reloder-16
<<locked>>
81%
41046
64%
**08
99%
Alliant Reloder-17
<<locked>>
81%
46934
74%
**33
100%
[Alliant Reloder-19]*
<<locked>>
81%
35621
56%
**44
92%
[Alliant Reloder-22]*
<<locked>>
81%
31807
50%
**75
90%
Alliant Reloder-23
<<locked>>
81%
30139
47%
**36
97%
[Alliant Reloder-25]*
<<locked>>
81%
26600
42%
**21
91%
Alliant Reloder-26
<<locked>>
81%
32706
51%
**71
96%
[Hodgdon H1000]*
<<locked>>
94%
36303
57%
**57
90%
Hodgdon H380
<<locked>>
81%
52866
83%
**46
100%
Hodgdon H414
<<locked>>
81%
48196
76%
**13
98%
Hodgdon H4350
<<locked>>
81%
39247
61%
**80
95%
[Hodgdon H4831]*
<<locked>>
88%
37217
58%
**57
90%
[Hodgdon H4831 SC]*
<<locked>>
84%
36869
58%
**51
90%
Hodgdon Hybrid 100V
<<locked>>
81%
38580
60%
**90
100%
Hodgdon LVR
<<locked>>
81%
45194
71%
**48
99%
[Hodgdon Retumbo]*
<<locked>>
92%
30313
47%
**33
90%
Hodgdon Superperformance
<<locked>>
81%
43424
68%
**54
97%
Hodgdon VARGET
<<locked>>
81%
50850
80%
**87
100%
Hodgdon TrailBoss
<<locked>>
81%
27949
44%
**09
100%
IMR 4064
<<locked>>
81%
50285
79%
**71
100%
IMR 4166 Enduron
<<locked>>
81%
48994
77%
**44
98%
IMR 4350
<<locked>>
81%
41553
65%
**33
96%
IMR 4451 Enduron
<<locked>>
81%
47485
74%
**31
98%
IMR 4831
<<locked>>
81%
36666
57%
**48
98%
[IMR 4955 Enduron]*
<<locked>>
83%
35650
56%
**85
90%
[IMR 7828 SSC]*
<<locked>>
84%
35940
56%
**74
90%
Lovex S065
<<locked>>
81%
44744
70%
**76
99%
Lovex S070
<<locked>>
81%
43192
68%
**69
97%
[Lovex S071]*
<<locked>>
81%
26832
42%
**72
91%
[Norma 204]*
<<locked>>
81%
41075
64%
**56
94%
[Norma MRP]*
<<locked>>
81%
32764
51%
**31
93%
Norma URP
<<locked>>
81%
41901
66%
**85
99%
Ramshot Hunter
<<locked>>
81%
40828
64%
**76
97%
[Ramshot Magnum]*
<<locked>>
82%
30472
48%
**23
90%
ReloadSwiss RS 14
<<locked>>
81%
28543
45%
**49
100%
ReloadSwiss RS 50
<<locked>>
81%
52765
83%
**33
99%
ReloadSwiss RS 60
<<locked>>
81%
45252
71%
**23
100%
ReloadSwiss RS 62
<<locked>>
81%
42337
66%
**08
99%
ReloadSwiss RS 70
<<locked>>
81%
40727
64%
**22
98%
[ReloadSwiss RS 76]*
<<locked>>
87%
30748
48%
**79
90%
Rottweil R 903
<<locked>>
81%
49763
78%
**84
100%
[Rottweil R 904]*
<<locked>>
81%
37202
58%
**35
92%
[Rottweil R 905]*
<<locked>>
81%
34838
55%
**28
92%
Rottweil R 907
<<locked>>
81%
45977
72%
**02
97%
SNPE Vectan SP 11
<<locked>>
81%
50981
80%
**33
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
50285
79%
**72
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
44077
69%
**26
97%
Shooters World Long Rifle
<<locked>>
81%
44744
70%
**76
99%
Somchem S355
<<locked>>
81%
49574
78%
**71
100%
[Somchem S361]*
<<locked>>
81%
37710
59%
**18
91%
Somchem S365
<<locked>>
81%
38551
60%
**43
100%
[Somchem S385]*
<<locked>>
81%
35491
56%
**08
94%
Vihtavuori N135
<<locked>>
81%
48312
76%
**76
100%
Vihtavuori N150
<<locked>>
81%
42583
67%
**13
100%
Vihtavuori N160
<<locked>>
81%
45266
71%
**12
99%
[Vihtavuori N165]*
<<locked>>
81%
29994
47%
**57
90%
Vihtavuori N550
<<locked>>
81%
45643
72%
**51
99%
Vihtavuori N555
<<locked>>
81%
33591
53%
**25
97%
[Vihtavuori N560]*
<<locked>>
85%
36463
57%
**13
90%
[Vihtavuori N565]*
<<locked>>
89%
35389
55%
**71
90%
Winchester 6.5 StaBALL
<<locked>>
81%
42482
67%
**43
100%
Winchester 760
<<locked>>
81%
48196
76%
**13
98%
Winchester StaBALL HD
<<locked>>
81%
24424
38%
**16
96%

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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