top of page

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

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

.300 Blaser 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 Blaser Mag load data
Case Length (l3):
2.519" | 64.0mm
Cartridge Length (C.O.L.):
3.290" | 83.6mm
Seated Depth:
0.629" | 16.0mm
Shank Seated Depth:
0.384" | 9.8mm
Case Capacity:
92.4 Grains of Water | 6.00 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
60916 psi | 4200 bar
LID:
LID_B5904_C351
Last updated:
2025-01-01
Recommended Twist Rate:
1:12 - 1:10

Load data for 128 loads in caliber .300 Blaser Mag with .308 | 200gr | Sierra SBT GameKing bullet and 64 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".

  • No data yet

  • 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.

    .

    Loading_icon.gif

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%
54331
89%
**69
99%
ADI AR 2213
<<locked>>
96%
54462
89%
**08
98%
ADI AR 2217
<<locked>>
97%
41742
69%
**69
95%
ADI AR 2225
<<locked>>
97%
37188
61%
**30
97%
Accurate 3100
<<locked>>
95%
54201
89%
**20
100%
Accurate 4350
<<locked>>
87%
54650
90%
**40
100%
Accurate MAGPRO
<<locked>>
96%
54476
89%
**28
97%
Alliant Reloder-16
<<locked>>
88%
54607
90%
**76
100%
Alliant Reloder-17
<<locked>>
84%
54650
90%
**82
100%
Alliant Reloder-19 👍
<<locked>>
92%
54505
89%
**72
99%
Alliant Reloder-22
<<locked>>
96%
54259
89%
**12
99%
Alliant Reloder-23
<<locked>>
97%
53998
89%
**69
100%
Alliant Reloder-25
<<locked>>
97%
46340
76%
**07
100%
Alliant Reloder-26
<<locked>>
93%
54781
90%
**67
100%
Hodgdon H1000
<<locked>>
97%
41742
69%
**69
95%
Hodgdon H4350
<<locked>>
90%
54317
89%
**07
100%
Hodgdon H4831
<<locked>>
97%
52402
86%
**20
97%
Hodgdon H4831 SC
<<locked>>
94%
54244
89%
**53
98%
Hodgdon Hybrid 100V
<<locked>>
90%
54302
89%
**94
100%
Hodgdon LVR
<<locked>>
85%
54244
89%
**30
100%
Hodgdon Retumbo
<<locked>>
97%
37188
61%
**30
97%
Hodgdon Superperformance
<<locked>>
85%
54273
89%
**85
100%
Hodgdon TrailBoss
<<locked>>
97%
35331
58%
**67
100%
IMR 4166 Enduron
<<locked>>
83%
54549
90%
**71
100%
IMR 4350
<<locked>>
88%
54302
89%
**07
100%
IMR 4451 Enduron
<<locked>>
84%
54070
89%
**84
100%
IMR 4831
<<locked>>
92%
54273
89%
**20
100%
IMR 4955 Enduron
<<locked>>
95%
54665
90%
**26
98%
IMR 7828 SSC
<<locked>>
95%
54636
90%
**25
98%
[IMR 8133 Enduron]*
<<locked>>
97%
33011
54%
**31
92%
Lovex S065
<<locked>>
86%
54708
90%
**94
100%
Lovex S070
<<locked>>
87%
54273
89%
**03
100%
Lovex S071
<<locked>>
97%
47819
78%
**25
100%
Norma 204
<<locked>>
88%
54433
89%
**46
99%
Norma 217
<<locked>>
97%
32996
54%
**61
95%
Norma MRP 👍
<<locked>>
94%
54592
90%
**44
100%
Norma URP
<<locked>>
87%
54317
89%
**36
100%
Ramshot Hunter
<<locked>>
88%
54650
90%
**69
100%
Ramshot Magnum
<<locked>>
96%
54520
89%
**05
100%
ReloadSwiss RS 14
<<locked>>
96%
36114
59%
**06
100%
ReloadSwiss RS 60
<<locked>>
84%
54186
89%
**92
100%
ReloadSwiss RS 62
<<locked>>
86%
54244
89%
**56
100%
ReloadSwiss RS 70
<<locked>>
88%
54418
89%
**15
100%
ReloadSwiss RS 76
<<locked>>
97%
45716
75%
**53
99%
[ReloadSwiss RS 80]*
<<locked>>
97%
40596
67%
**21
94%
Rottweil R 904
<<locked>>
91%
54375
89%
**20
98%
Rottweil R 905 👍
<<locked>>
93%
54679
90%
**69
99%
Rottweil R 907
<<locked>>
85%
54331
89%
**94
100%
SNPE Vectan Tubal 7000
<<locked>>
86%
54636
90%
**57
100%
Shooters World Long Rifle
<<locked>>
86%
54708
90%
**94
100%
Somchem S361
<<locked>>
91%
54636
90%
**00
98%
Somchem S365
<<locked>>
89%
54317
89%
**40
100%
Somchem S385 👍
<<locked>>
93%
54795
90%
**43
100%
Vihtavuori N135
<<locked>>
83%
54346
89%
**85
100%
Vihtavuori N150
<<locked>>
87%
54201
89%
**38
100%
Vihtavuori N160
<<locked>>
85%
54360
89%
**00
100%
Vihtavuori N165
<<locked>>
97%
52605
86%
**97
99%
Vihtavuori N550
<<locked>>
85%
54375
89%
**43
100%
Vihtavuori N555
<<locked>>
94%
54781
90%
**69
100%
Vihtavuori N560
<<locked>>
96%
54447
89%
**38
98%
Vihtavuori N565
<<locked>>
97%
48994
80%
**30
97%
[Vihtavuori N568]*
<<locked>>
97%
42453
70%
**51
94%
Winchester 6.5 StaBALL
<<locked>>
87%
54462
89%
**77
100%
Winchester StaBALL HD
<<locked>>
97%
50589
83%
**41
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
37666
62%
**57
95%
[ADI AR 2213]*
<<locked>>
81%
33533
55%
**88
92%
[ADI AR 2217]*
<<locked>>
88%
31430
52%
**20
90%
[ADI AR 2225]*
<<locked>>
86%
26237
43%
**15
90%
Accurate 3100
<<locked>>
81%
33373
55%
**39
97%
Accurate 4350
<<locked>>
81%
45005
74%
**82
100%
[Accurate MAGPRO]*
<<locked>>
83%
34867
57%
**41
90%
Alliant Reloder-16
<<locked>>
81%
43337
71%
**98
100%
Alliant Reloder-17
<<locked>>
81%
49661
82%
**03
100%
Alliant Reloder-19
<<locked>>
81%
37579
62%
**57
95%
[Alliant Reloder-22]*
<<locked>>
81%
33315
55%
**98
94%
Alliant Reloder-23
<<locked>>
81%
32024
53%
**72
99%
Alliant Reloder-25
<<locked>>
81%
28050
46%
**74
95%
Alliant Reloder-26
<<locked>>
81%
34882
57%
**97
99%
[Hodgdon H1000]*
<<locked>>
88%
31430
52%
**20
90%
Hodgdon H4350
<<locked>>
81%
41249
68%
**84
98%
[Hodgdon H4831]*
<<locked>>
81%
32198
53%
**13
90%
[Hodgdon H4831 SC]*
<<locked>>
81%
35143
58%
**82
92%
Hodgdon Hybrid 100V
<<locked>>
81%
40727
67%
**80
100%
Hodgdon LVR
<<locked>>
81%
47587
78%
**31
100%
[Hodgdon Retumbo]*
<<locked>>
86%
26237
43%
**15
90%
Hodgdon Superperformance
<<locked>>
81%
46122
76%
**54
99%
Hodgdon TrailBoss
<<locked>>
94%
34142
56%
**47
100%
IMR 4166 Enduron
<<locked>>
81%
51184
84%
**21
100%
IMR 4350
<<locked>>
81%
43526
71%
**26
98%
IMR 4451 Enduron
<<locked>>
81%
49487
81%
**15
99%
IMR 4831
<<locked>>
81%
38899
64%
**54
99%
[IMR 4955 Enduron]*
<<locked>>
81%
35578
58%
**62
92%
[IMR 7828 SSC]*
<<locked>>
81%
34316
56%
**15
92%
[IMR 8133 Enduron]*
<<locked>>
94%
30226
50%
**52
90%
Lovex S065
<<locked>>
81%
46905
77%
**62
100%
Lovex S070
<<locked>>
81%
45339
74%
**56
99%
Lovex S071
<<locked>>
81%
28660
47%
**24
95%
Norma 204
<<locked>>
81%
43395
71%
**62
97%
[Norma 217]*
<<locked>>
90%
26614
44%
**60
90%
Norma MRP
<<locked>>
81%
34679
57%
**57
96%
Norma URP
<<locked>>
81%
44338
73%
**75
100%
Ramshot Hunter
<<locked>>
81%
43091
71%
**69
99%
[Ramshot Magnum]*
<<locked>>
81%
30603
50%
**23
93%
ReloadSwiss RS 14
<<locked>>
89%
32648
54%
**40
100%
ReloadSwiss RS 60
<<locked>>
81%
47834
79%
**00
100%
ReloadSwiss RS 62
<<locked>>
81%
44817
74%
**05
100%
ReloadSwiss RS 70
<<locked>>
81%
43134
71%
**21
100%
[ReloadSwiss RS 76]*
<<locked>>
81%
26556
44%
**51
90%
[ReloadSwiss RS 80]*
<<locked>>
91%
33750
55%
**54
90%
Rottweil R 904
<<locked>>
81%
39015
64%
**44
95%
Rottweil R 905
<<locked>>
81%
36825
60%
**41
95%
Rottweil R 907
<<locked>>
81%
48211
79%
**92
99%
SNPE Vectan Tubal 7000
<<locked>>
81%
46166
76%
**20
99%
Shooters World Long Rifle
<<locked>>
81%
46905
77%
**62
100%
[Somchem S361]*
<<locked>>
81%
39726
65%
**38
94%
Somchem S365
<<locked>>
81%
41104
67%
**36
100%
Somchem S385
<<locked>>
81%
37405
61%
**28
96%
Vihtavuori N135
<<locked>>
81%
50676
83%
**33
100%
Vihtavuori N150
<<locked>>
81%
44918
74%
**97
100%
Vihtavuori N160
<<locked>>
81%
47572
78%
**95
100%
[Vihtavuori N165]*
<<locked>>
81%
31575
52%
**90
94%
Vihtavuori N550
<<locked>>
81%
48269
79%
**48
100%
Vihtavuori N555
<<locked>>
81%
35911
59%
**44
99%
[Vihtavuori N560]*
<<locked>>
81%
33605
55%
**11
91%
[Vihtavuori N565]*
<<locked>>
83%
30458
50%
**29
90%
[Vihtavuori N568]*
<<locked>>
91%
34867
57%
**67
90%
Winchester 6.5 StaBALL
<<locked>>
81%
44686
73%
**33
100%
Winchester StaBALL HD
<<locked>>
81%
27006
44%
**82
99%

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

bottom of page