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Load data for .300 Lapua Mag. + .308 | 200gr | Sierra SBT GameKing

Recommended Powder(s):

.300 Lapua Mag. + .308 | 200gr | Sierra SBT GameKing

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 200gr | Sierra SBT GameKing
Manufacturer SKU:
2165
Bullet Weight:
200gr | 13.0g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.400" | 35.6mm
Caliber:
.300 Lapua Mag. load data
Case Length (l3):
2.724" | 69.2mm
Cartridge Length (C.O.L.):
3.625" | 92.1mm
Seated Depth:
0.499" | 12.7mm
Shank Seated Depth:
0.254" | 6.5mm
Case Capacity:
100.0 Grains of Water | 6.49 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
60916 psi | 4200 bar
LID:
LID_B5904_C363
Last updated:
2025-01-01
Recommended Twist Rate:
1:12 - 1:10

Load data for 108 loads in caliber .300 Lapua Mag. with .308 | 200gr | Sierra SBT GameKing bullet and 54 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".

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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>>
88%
54578
90%
**08
100%
ADI AR 2213
<<locked>>
91%
54244
89%
**41
99%
ADI AR 2217
<<locked>>
97%
47993
79%
**36
98%
ADI AR 2225
<<locked>>
97%
43163
71%
**94
100%
Accurate 3100
<<locked>>
91%
54520
90%
**56
100%
Accurate MAGPRO
<<locked>>
92%
54592
90%
**54
98%
Alliant Reloder-16
<<locked>>
84%
54215
89%
**92
100%
Alliant Reloder-19
<<locked>>
88%
54186
89%
**02
100%
Alliant Reloder-22 👍
<<locked>>
91%
54679
90%
**44
100%
Alliant Reloder-23
<<locked>>
93%
54563
90%
**89
100%
Alliant Reloder-25 👍
<<locked>>
97%
54201
89%
**51
100%
Alliant Reloder-26
<<locked>>
88%
54621
90%
**74
100%
[Alliant Reloder-33]*
<<locked>>
97%
44106
72%
**17
93%
Hodgdon H1000
<<locked>>
97%
47993
79%
**36
98%
Hodgdon H4350
<<locked>>
86%
54650
90%
**43
100%
Hodgdon H4831
<<locked>>
94%
54418
89%
**82
98%
Hodgdon H4831 SC
<<locked>>
90%
54607
90%
**92
99%
Hodgdon Hybrid 100V
<<locked>>
86%
54317
89%
**20
100%
Hodgdon Retumbo
<<locked>>
97%
43163
71%
**94
100%
Hodgdon TrailBoss
<<locked>>
96%
35563
58%
**19
100%
IMR 4350
<<locked>>
85%
54665
90%
**43
100%
IMR 4831
<<locked>>
88%
54128
89%
**40
100%
IMR 4955 Enduron
<<locked>>
91%
54447
89%
**62
99%
IMR 7828 SSC 👍
<<locked>>
90%
54027
89%
**51
99%
[IMR 7977 Enduron]*
<<locked>>
96%
54824
90%
**20
93%
IMR 8133 Enduron
<<locked>>
97%
38769
64%
**92
96%
Lovex S070
<<locked>>
83%
54433
89%
**40
100%
Lovex S071
<<locked>>
96%
53998
89%
**40
100%
Norma 204
<<locked>>
84%
54563
90%
**89
100%
Norma 217
<<locked>>
97%
39262
64%
**31
98%
Norma MRP
<<locked>>
89%
54418
89%
**64
100%
Norma URP
<<locked>>
84%
54607
90%
**69
100%
Ramshot Hunter
<<locked>>
84%
54346
89%
**82
100%
Ramshot Magnum
<<locked>>
92%
54360
89%
**22
100%
ReloadSwiss RS 14
<<locked>>
96%
36303
60%
**52
100%
ReloadSwiss RS 70
<<locked>>
84%
54636
90%
**38
100%
ReloadSwiss RS 76 👍
<<locked>>
97%
53722
88%
**30
100%
ReloadSwiss RS 80
<<locked>>
97%
48617
80%
**02
97%
Rottweil R 904
<<locked>>
88%
54447
89%
**56
99%
Rottweil R 905
<<locked>>
89%
54244
89%
**95
100%
SNPE Vectan Tubal 7000
<<locked>>
83%
54810
90%
**90
100%
Somchem S361
<<locked>>
87%
54085
89%
**33
98%
Somchem S365
<<locked>>
85%
54781
90%
**66
100%
Somchem S385
<<locked>>
89%
54578
90%
**62
100%
Vihtavuori N150
<<locked>>
84%
54737
90%
**71
100%
Vihtavuori N165
<<locked>>
94%
54781
90%
**56
100%
[Vihtavuori N170]*
<<locked>>
97%
45034
74%
**08
92%
Vihtavuori N555
<<locked>>
89%
54346
89%
**82
100%
Vihtavuori N560 👍
<<locked>>
91%
54810
90%
**71
99%
Vihtavuori N565
<<locked>>
96%
54723
90%
**44
99%
Vihtavuori N568
<<locked>>
97%
50212
82%
**18
97%
[Vihtavuori N570]*
<<locked>>
97%
47950
79%
**08
94%
Winchester 6.5 StaBALL
<<locked>>
83%
54244
89%
**97
100%
Winchester StaBALL HD
<<locked>>
94%
54708
90%
**97
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
42685
70%
**98
98%
ADI AR 2213
<<locked>>
81%
38058
62%
**23
95%
[ADI AR 2217]*
<<locked>>
82%
29182
48%
**90
90%
[ADI AR 2225]*
<<locked>>
81%
25744
42%
**21
91%
Accurate 3100
<<locked>>
81%
38711
64%
**74
99%
[Accurate MAGPRO]*
<<locked>>
81%
37565
62%
**23
92%
Alliant Reloder-16
<<locked>>
81%
49153
81%
**20
100%
Alliant Reloder-19
<<locked>>
81%
42859
70%
**95
98%
Alliant Reloder-22
<<locked>>
81%
38421
63%
**39
97%
Alliant Reloder-23
<<locked>>
81%
37086
61%
**97
100%
Alliant Reloder-25
<<locked>>
81%
32039
53%
**11
98%
Alliant Reloder-26
<<locked>>
81%
41191
68%
**44
100%
[Alliant Reloder-33]*
<<locked>>
92%
37304
61%
**62
90%
[Hodgdon H1000]*
<<locked>>
82%
29182
48%
**90
90%
Hodgdon H4350
<<locked>>
81%
46369
76%
**05
99%
[Hodgdon H4831]*
<<locked>>
81%
35955
59%
**28
93%
Hodgdon H4831 SC
<<locked>>
81%
39900
66%
**16
95%
Hodgdon Hybrid 100V
<<locked>>
81%
46311
76%
**98
100%
[Hodgdon Retumbo]*
<<locked>>
81%
25744
42%
**21
91%
Hodgdon TrailBoss
<<locked>>
89%
32024
53%
**47
100%
IMR 4350
<<locked>>
81%
48544
80%
**48
99%
IMR 4831
<<locked>>
81%
44353
73%
**79
100%
IMR 4955 Enduron
<<locked>>
81%
39784
65%
**84
95%
IMR 7828 SSC
<<locked>>
81%
39247
64%
**66
96%
[IMR 7977 Enduron]*
<<locked>>
91%
46369
76%
**75
90%
[IMR 8133 Enduron]*
<<locked>>
87%
28631
47%
**26
90%
Lovex S070
<<locked>>
81%
50662
83%
**77
100%
Lovex S071
<<locked>>
81%
33054
54%
**52
97%
Norma 204
<<locked>>
81%
49008
80%
**90
99%
[Norma 217]*
<<locked>>
83%
25048
41%
**24
90%
Norma MRP
<<locked>>
81%
40509
66%
**12
99%
Norma URP
<<locked>>
81%
50125
82%
**97
100%
Ramshot Hunter
<<locked>>
81%
48994
80%
**00
100%
Ramshot Magnum
<<locked>>
81%
35621
58%
**77
97%
ReloadSwiss RS 14
<<locked>>
84%
30734
50%
**44
100%
ReloadSwiss RS 70
<<locked>>
81%
49385
81%
**53
100%
ReloadSwiss RS 76
<<locked>>
81%
30356
50%
**02
95%
[ReloadSwiss RS 80]*
<<locked>>
85%
31546
52%
**21
90%
Rottweil R 904
<<locked>>
81%
43816
72%
**72
97%
Rottweil R 905
<<locked>>
81%
42134
69%
**75
98%
SNPE Vectan Tubal 7000
<<locked>>
81%
51082
84%
**38
100%
Somchem S361
<<locked>>
81%
44570
73%
**66
96%
Somchem S365
<<locked>>
81%
47253
78%
**54
100%
Somchem S385
<<locked>>
81%
42569
70%
**56
99%
Vihtavuori N150
<<locked>>
81%
49806
82%
**02
100%
Vihtavuori N165
<<locked>>
81%
36129
59%
**15
96%
[Vihtavuori N170]*
<<locked>>
94%
41075
67%
**30
90%
Vihtavuori N555
<<locked>>
81%
41698
68%
**72
100%
Vihtavuori N560
<<locked>>
81%
38406
63%
**49
95%
[Vihtavuori N565]*
<<locked>>
81%
33315
55%
**15
93%
[Vihtavuori N568]*
<<locked>>
85%
32779
54%
**38
90%
[Vihtavuori N570]*
<<locked>>
90%
38116
63%
**98
90%
Winchester 6.5 StaBALL
<<locked>>
81%
50575
83%
**51
100%
Winchester StaBALL HD
<<locked>>
81%
33533
55%
**26
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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