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Load data for .300 Lapua Mag. + .308 | 180gr | Sierra SBT GameKing

Recommended Powder(s): ADI AR 2209, Alliant Reloder-19, Alliant Reloder-25, Norma MRP, Rottweil R 905

.300 Lapua Mag. + .308 | 180gr | Sierra SBT GameKing

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 180gr | Sierra SBT GameKing
Manufacturer SKU:
2160
Bullet Weight:
180gr | 11.7g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.288" | 32.7mm
Caliber:
.300 Lapua Mag. load data
Case Length (l3):
2.724" | 69.2mm
Cartridge Length (C.O.L.):
3.625" | 92.1mm
Seated Depth:
0.387" | 9.8mm
Shank Seated Depth:
0.137" | 3.5mm
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_B5895_C363
Last updated:
2025-01-01
Recommended Twist Rate:
1:13 - 1:11

Load data for 116 loads in caliber .300 Lapua Mag. with .308 | 180gr | Sierra SBT GameKing bullet and 58 powders such as ADI AR 2209, Alliant Reloder-19, Alliant Reloder-25, Norma MRP, Rottweil R 905. 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 2209 👍
<<locked>>
90%
54375
89%
**40
99%
ADI AR 2213
<<locked>>
93%
54578
90%
**76
98%
ADI AR 2217
<<locked>>
97%
45121
74%
**95
96%
ADI AR 2225
<<locked>>
97%
40089
66%
**53
98%
Accurate 3100
<<locked>>
93%
54360
89%
**81
100%
Accurate 4350
<<locked>>
85%
54505
89%
**00
100%
Accurate MAGPRO
<<locked>>
93%
54186
89%
**82
97%
Alliant Reloder-16
<<locked>>
86%
54766
90%
**49
100%
Alliant Reloder-19 👍
<<locked>>
90%
54360
89%
**33
99%
Alliant Reloder-22
<<locked>>
93%
54607
90%
**79
99%
Alliant Reloder-23
<<locked>>
94%
54230
89%
**36
100%
Alliant Reloder-25 👍
<<locked>>
97%
50792
83%
**40
100%
Alliant Reloder-26
<<locked>>
91%
54795
90%
**25
100%
Hodgdon H1000
<<locked>>
97%
45121
74%
**95
96%
Hodgdon H4350
<<locked>>
88%
54549
90%
**84
100%
Hodgdon H4831
<<locked>>
96%
54621
90%
**20
98%
Hodgdon H4831 SC
<<locked>>
92%
54621
90%
**20
98%
Hodgdon Hybrid 100V
<<locked>>
88%
54737
90%
**74
100%
Hodgdon LVR
<<locked>>
83%
54375
89%
**07
100%
Hodgdon Retumbo
<<locked>>
97%
40089
66%
**53
98%
Hodgdon Superperformance
<<locked>>
83%
54172
89%
**53
100%
Hodgdon TrailBoss
<<locked>>
97%
35578
58%
**14
100%
IMR 4350
<<locked>>
86%
54737
90%
**84
100%
IMR 4831
<<locked>>
90%
54549
90%
**94
100%
IMR 4955 Enduron
<<locked>>
93%
54491
89%
**90
98%
IMR 7828 SSC
<<locked>>
92%
54679
90%
**02
98%
[IMR 8133 Enduron]*
<<locked>>
97%
36376
60%
**48
93%
Lovex S065
<<locked>>
84%
54360
89%
**61
100%
Lovex S070
<<locked>>
85%
54375
89%
**81
100%
Lovex S071
<<locked>>
97%
51590
85%
**44
100%
Norma 204
<<locked>>
86%
54650
90%
**27
99%
Norma 217
<<locked>>
97%
36129
59%
**80
96%
Norma MRP 👍
<<locked>>
92%
54824
90%
**09
100%
Norma URP
<<locked>>
85%
54288
89%
**10
100%
Ramshot Hunter
<<locked>>
86%
54781
90%
**30
100%
Ramshot Magnum
<<locked>>
94%
54114
89%
**53
100%
ReloadSwiss RS 14
<<locked>>
96%
36260
60%
**54
100%
ReloadSwiss RS 62
<<locked>>
84%
54317
89%
**17
100%
ReloadSwiss RS 70
<<locked>>
85%
54404
89%
**72
100%
ReloadSwiss RS 76
<<locked>>
97%
50125
82%
**99
100%
ReloadSwiss RS 80
<<locked>>
97%
45063
74%
**67
95%
Rottweil R 904
<<locked>>
89%
54389
89%
**90
98%
Rottweil R 905 👍
<<locked>>
90%
54172
89%
**33
99%
Rottweil R 907
<<locked>>
83%
54650
90%
**67
100%
SNPE Vectan Tubal 7000
<<locked>>
84%
54027
89%
**15
100%
Shooters World Long Rifle
<<locked>>
84%
54360
89%
**61
100%
Somchem S361
<<locked>>
89%
54723
90%
**64
98%
Somchem S365
<<locked>>
87%
54563
90%
**07
100%
Somchem S385
<<locked>>
90%
54215
89%
**94
100%
Vihtavuori N150
<<locked>>
85%
54447
89%
**08
100%
Vihtavuori N160
<<locked>>
83%
54766
90%
**74
100%
Vihtavuori N165
<<locked>>
96%
54810
90%
**90
99%
Vihtavuori N555
<<locked>>
91%
54186
89%
**27
100%
Vihtavuori N560
<<locked>>
93%
54723
90%
**99
98%
Vihtavuori N565
<<locked>>
97%
53185
87%
**56
98%
Vihtavuori N568
<<locked>>
97%
46499
76%
**81
95%
Winchester 6.5 StaBALL
<<locked>>
85%
54520
90%
**44
100%
Winchester StaBALL HD
<<locked>>
96%
54810
90%
**58
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
40277
66%
**71
96%
[ADI AR 2213]*
<<locked>>
81%
35940
59%
**92
92%
[ADI AR 2217]*
<<locked>>
87%
32242
53%
**84
90%
[ADI AR 2225]*
<<locked>>
85%
27180
45%
**72
90%
Accurate 3100
<<locked>>
81%
36100
59%
**36
97%
Accurate 4350
<<locked>>
81%
48370
79%
**05
100%
[Accurate MAGPRO]*
<<locked>>
82%
36187
59%
**12
90%
Alliant Reloder-16
<<locked>>
81%
46093
76%
**02
100%
Alliant Reloder-19
<<locked>>
81%
40277
66%
**67
96%
[Alliant Reloder-22]*
<<locked>>
81%
36027
59%
**02
94%
Alliant Reloder-23
<<locked>>
81%
34621
57%
**72
100%
Alliant Reloder-25
<<locked>>
81%
30168
50%
**74
96%
Alliant Reloder-26
<<locked>>
81%
37913
62%
**03
99%
[Hodgdon H1000]*
<<locked>>
87%
32242
53%
**84
90%
Hodgdon H4350
<<locked>>
81%
43859
72%
**90
98%
[Hodgdon H4831]*
<<locked>>
81%
33750
55%
**90
91%
[Hodgdon H4831 SC]*
<<locked>>
81%
37681
62%
**92
93%
Hodgdon Hybrid 100V
<<locked>>
81%
43511
71%
**94
100%
Hodgdon LVR
<<locked>>
81%
50647
83%
**41
100%
[Hodgdon Retumbo]*
<<locked>>
85%
27180
45%
**72
90%
Hodgdon Superperformance
<<locked>>
81%
49850
82%
**87
99%
Hodgdon TrailBoss
<<locked>>
81%
28224
46%
**60
100%
IMR 4350
<<locked>>
81%
46267
76%
**36
98%
IMR 4831
<<locked>>
81%
41742
69%
**67
100%
[IMR 4955 Enduron]*
<<locked>>
81%
37956
62%
**62
93%
[IMR 7828 SSC]*
<<locked>>
81%
36753
60%
**18
93%
[IMR 8133 Enduron]*
<<locked>>
92%
31212
51%
**10
90%
Lovex S065
<<locked>>
81%
49705
82%
**82
100%
Lovex S070
<<locked>>
81%
48124
79%
**69
99%
Lovex S071
<<locked>>
81%
30879
51%
**08
95%
Norma 204
<<locked>>
81%
46340
76%
**76
97%
[Norma 217]*
<<locked>>
88%
27282
45%
**05
90%
Norma MRP
<<locked>>
81%
37695
62%
**77
97%
Norma URP
<<locked>>
81%
47253
78%
**89
100%
Ramshot Hunter
<<locked>>
81%
46253
76%
**89
99%
[Ramshot Magnum]*
<<locked>>
81%
33272
55%
**26
94%
ReloadSwiss RS 14
<<locked>>
81%
28906
47%
**96
100%
ReloadSwiss RS 62
<<locked>>
81%
48254
79%
**18
100%
ReloadSwiss RS 70
<<locked>>
81%
46456
76%
**38
100%
[ReloadSwiss RS 76]*
<<locked>>
81%
28384
47%
**41
91%
[ReloadSwiss RS 80]*
<<locked>>
90%
34577
57%
**08
90%
Rottweil R 904
<<locked>>
81%
41684
68%
**51
95%
Rottweil R 905
<<locked>>
81%
39668
65%
**57
96%
Rottweil R 907
<<locked>>
81%
50923
84%
**08
99%
SNPE Vectan Tubal 7000
<<locked>>
81%
48791
80%
**30
99%
Shooters World Long Rifle
<<locked>>
81%
49705
82%
**82
100%
Somchem S361
<<locked>>
81%
42467
70%
**44
95%
Somchem S365
<<locked>>
81%
44324
73%
**46
100%
Somchem S385
<<locked>>
81%
40205
66%
**38
97%
Vihtavuori N150
<<locked>>
81%
47340
78%
**00
100%
Vihtavuori N160
<<locked>>
81%
51024
84%
**22
100%
[Vihtavuori N165]*
<<locked>>
81%
33750
55%
**74
94%
Vihtavuori N555
<<locked>>
81%
38827
64%
**44
100%
[Vihtavuori N560]*
<<locked>>
81%
35998
59%
**15
92%
[Vihtavuori N565]*
<<locked>>
82%
31923
52%
**97
90%
[Vihtavuori N568]*
<<locked>>
89%
35868
59%
**35
90%
Winchester 6.5 StaBALL
<<locked>>
81%
48037
79%
**49
100%
Winchester StaBALL HD
<<locked>>
81%
30458
50%
**79
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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