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Load data for .300 Norma Mag + .308 | 165gr | Sierra Tipped GameKing

Recommended Powder(s): ADI AR 2209, Alliant Reloder-19, Alliant Reloder-26, Norma MRP, Rottweil R 905

.300 Norma Mag + .308 | 165gr | Sierra Tipped GameKing

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 165gr | Sierra Tipped GameKing
Manufacturer SKU:
4665
Bullet Weight:
165gr | 10.7g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.332" | 33.8mm
Caliber:
.300 Norma Mag load data
Case Length (l3):
2.490" | 63.2mm
Cartridge Length (C.O.L.):
3.450" | 87.6mm
Seated Depth:
0.372" | 9.4mm
Shank Seated Depth:
0.122" | 3.1mm
Case Capacity:
104.0 Grains of Water | 6.75 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
63817 psi | 4400 bar
LID:
LID_B5884_C365
Last updated:
2025-01-01
Recommended Twist Rate:
1:12 - 1:10

Load data for 130 loads in caliber .300 Norma Mag with .308 | 165gr | Sierra Tipped GameKing bullet and 65 powders such as ADI AR 2209, Alliant Reloder-19, Alliant Reloder-26, 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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    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>>
92%
57116
89%
**27
99%
ADI AR 2213
<<locked>>
95%
57246
90%
**63
98%
ADI AR 2217
<<locked>>
97%
43816
69%
**94
95%
ADI AR 2225
<<locked>>
97%
39218
61%
**48
97%
Accurate 3100
<<locked>>
95%
57072
89%
**68
100%
Accurate 4350
<<locked>>
87%
57348
90%
**87
100%
Accurate MAGPRO
<<locked>>
96%
57290
90%
**76
97%
Alliant Reloder-16
<<locked>>
88%
57087
89%
**30
100%
Alliant Reloder-17
<<locked>>
84%
57101
89%
**30
100%
Alliant Reloder-19 👍
<<locked>>
93%
57203
90%
**30
99%
Alliant Reloder-22
<<locked>>
95%
57087
89%
**63
99%
Alliant Reloder-23
<<locked>>
97%
56797
89%
**14
100%
Alliant Reloder-25
<<locked>>
97%
49008
77%
**51
100%
Alliant Reloder-26 👍
<<locked>>
92%
56855
89%
**89
100%
Hodgdon H1000
<<locked>>
97%
43816
69%
**94
95%
Hodgdon H414
<<locked>>
83%
57116
90%
**07
100%
Hodgdon H4350
<<locked>>
90%
57014
89%
**64
100%
Hodgdon H4831
<<locked>>
97%
55071
86%
**58
97%
Hodgdon H4831 SC
<<locked>>
94%
57334
90%
**07
98%
Hodgdon Hybrid 100V
<<locked>>
90%
57058
89%
**41
100%
Hodgdon LVR
<<locked>>
85%
57029
89%
**91
100%
Hodgdon Retumbo
<<locked>>
97%
39218
61%
**48
97%
Hodgdon Superperformance
<<locked>>
85%
56855
89%
**30
100%
Hodgdon TrailBoss
<<locked>>
97%
35592
56%
**19
100%
IMR 4166 Enduron
<<locked>>
84%
57043
89%
**25
100%
IMR 4350
<<locked>>
88%
57058
89%
**68
100%
IMR 4451 Enduron
<<locked>>
84%
56782
89%
**41
100%
IMR 4831
<<locked>>
92%
56811
89%
**64
100%
IMR 4955 Enduron
<<locked>>
95%
57174
90%
**71
98%
IMR 7828 SSC
<<locked>>
94%
56811
89%
**69
98%
Lovex S065
<<locked>>
86%
57392
90%
**45
100%
Lovex S070
<<locked>>
87%
57174
90%
**68
100%
Lovex S071
<<locked>>
97%
50082
78%
**49
100%
Norma 204
<<locked>>
88%
57072
89%
**04
99%
Norma 217
<<locked>>
97%
35114
55%
**62
95%
Norma MRP 👍
<<locked>>
93%
57014
89%
**82
100%
Norma URP
<<locked>>
88%
57130
90%
**97
100%
Ramshot Hunter
<<locked>>
88%
57203
90%
**07
100%
Ramshot Magnum
<<locked>>
96%
57246
90%
**40
100%
ReloadSwiss RS 14
<<locked>>
97%
36230
57%
**59
100%
ReloadSwiss RS 60
<<locked>>
85%
57174
90%
**56
100%
ReloadSwiss RS 62
<<locked>>
87%
56826
89%
**97
100%
ReloadSwiss RS 70
<<locked>>
87%
56782
89%
**56
100%
ReloadSwiss RS 76
<<locked>>
97%
48312
76%
**84
99%
[ReloadSwiss RS 80]*
<<locked>>
97%
43947
69%
**59
94%
Rottweil R 904
<<locked>>
92%
57421
90%
**84
98%
Rottweil R 905 👍
<<locked>>
93%
57305
90%
**20
99%
Rottweil R 907
<<locked>>
85%
57334
90%
**51
100%
SNPE Vectan Tubal 7000
<<locked>>
86%
57101
89%
**92
100%
Shooters World Long Rifle
<<locked>>
86%
57392
90%
**45
100%
Somchem S361
<<locked>>
91%
56971
89%
**38
98%
Somchem S365
<<locked>>
90%
57348
90%
**94
100%
Somchem S385
<<locked>>
92%
57029
89%
**77
100%
Vihtavuori N135
<<locked>>
84%
56971
89%
**36
100%
Vihtavuori N150
<<locked>>
88%
57319
90%
**92
100%
Vihtavuori N160
<<locked>>
85%
57232
90%
**51
100%
Vihtavuori N165
<<locked>>
97%
55332
87%
**35
99%
Vihtavuori N550
<<locked>>
85%
57014
89%
**87
100%
Vihtavuori N555
<<locked>>
94%
56855
89%
**07
100%
Vihtavuori N560
<<locked>>
95%
57029
89%
**76
98%
Vihtavuori N565
<<locked>>
97%
51866
81%
**71
97%
[Vihtavuori N568]*
<<locked>>
97%
45034
71%
**72
93%
Winchester 6.5 StaBALL
<<locked>>
87%
56956
89%
**18
100%
Winchester 760
<<locked>>
83%
57116
90%
**07
100%
Winchester StaBALL HD
<<locked>>
97%
54433
85%
**92
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
39160
61%
**69
95%
[ADI AR 2213]*
<<locked>>
81%
34954
55%
**77
91%
[ADI AR 2217]*
<<locked>>
89%
33649
53%
**35
90%
[ADI AR 2225]*
<<locked>>
87%
28485
45%
**16
90%
Accurate 3100
<<locked>>
81%
34954
55%
**38
96%
Accurate 4350
<<locked>>
81%
46963
74%
**10
100%
[Accurate MAGPRO]*
<<locked>>
84%
37956
59%
**72
90%
Alliant Reloder-16
<<locked>>
81%
44802
70%
**17
100%
Alliant Reloder-17
<<locked>>
81%
52054
82%
**51
100%
Alliant Reloder-19
<<locked>>
81%
39131
61%
**59
95%
[Alliant Reloder-22]*
<<locked>>
81%
34911
55%
**97
93%
Alliant Reloder-23
<<locked>>
81%
33547
53%
**67
99%
[Alliant Reloder-25]*
<<locked>>
81%
29080
46%
**49
94%
Alliant Reloder-26
<<locked>>
81%
36840
58%
**99
98%
[Hodgdon H1000]*
<<locked>>
89%
33649
53%
**35
90%
Hodgdon H414
<<locked>>
81%
52852
83%
**38
99%
Hodgdon H4350
<<locked>>
81%
43004
67%
**02
97%
[Hodgdon H4831]*
<<locked>>
82%
34389
54%
**25
90%
[Hodgdon H4831 SC]*
<<locked>>
81%
36637
57%
**80
91%
Hodgdon Hybrid 100V
<<locked>>
81%
42235
66%
**95
100%
Hodgdon LVR
<<locked>>
81%
49429
77%
**66
100%
[Hodgdon Retumbo]*
<<locked>>
87%
28485
45%
**16
90%
Hodgdon Superperformance
<<locked>>
81%
48457
76%
**86
99%
Hodgdon TrailBoss
<<locked>>
81%
28108
44%
**52
100%
IMR 4166 Enduron
<<locked>>
81%
52837
83%
**59
99%
IMR 4350
<<locked>>
81%
44889
70%
**38
98%
IMR 4451 Enduron
<<locked>>
81%
51097
80%
**49
99%
IMR 4831
<<locked>>
81%
40596
64%
**69
99%
[IMR 4955 Enduron]*
<<locked>>
81%
36927
58%
**54
92%
[IMR 7828 SSC]*
<<locked>>
81%
35708
56%
**07
91%
Lovex S065
<<locked>>
81%
48689
76%
**97
100%
Lovex S070
<<locked>>
81%
46891
73%
**77
99%
[Lovex S071]*
<<locked>>
81%
29994
47%
**97
94%
Norma 204
<<locked>>
81%
44947
70%
**77
97%
[Norma 217]*
<<locked>>
91%
28993
45%
**72
90%
Norma MRP
<<locked>>
81%
36492
57%
**66
96%
Norma URP
<<locked>>
81%
46050
72%
**97
100%
Ramshot Hunter
<<locked>>
81%
44831
70%
**84
99%
[Ramshot Magnum]*
<<locked>>
81%
32140
50%
**05
92%
ReloadSwiss RS 14
<<locked>>
81%
28732
45%
**91
100%
ReloadSwiss RS 60
<<locked>>
81%
50038
78%
**38
100%
ReloadSwiss RS 62
<<locked>>
81%
46963
74%
**36
100%
ReloadSwiss RS 70
<<locked>>
81%
45179
71%
**49
100%
[ReloadSwiss RS 76]*
<<locked>>
83%
29095
46%
**69
90%
[ReloadSwiss RS 80]*
<<locked>>
92%
36390
57%
**72
90%
[Rottweil R 904]*
<<locked>>
81%
40437
63%
**49
94%
Rottweil R 905
<<locked>>
81%
38377
60%
**53
95%
Rottweil R 907
<<locked>>
81%
49719
78%
**17
99%
SNPE Vectan Tubal 7000
<<locked>>
81%
47688
75%
**38
99%
Shooters World Long Rifle
<<locked>>
81%
48689
76%
**97
100%
[Somchem S361]*
<<locked>>
81%
41365
65%
**36
93%
Somchem S365
<<locked>>
81%
42786
67%
**51
100%
Somchem S385
<<locked>>
81%
39073
61%
**33
96%
Vihtavuori N135
<<locked>>
81%
52141
82%
**71
100%
Vihtavuori N150
<<locked>>
81%
46340
73%
**18
100%
Vihtavuori N160
<<locked>>
81%
49617
78%
**27
100%
[Vihtavuori N165]*
<<locked>>
81%
32880
52%
**69
93%
Vihtavuori N550
<<locked>>
81%
50009
78%
**69
100%
Vihtavuori N555
<<locked>>
81%
37594
59%
**43
99%
[Vihtavuori N560]*
<<locked>>
81%
34940
55%
**97
90%
[Vihtavuori N565]*
<<locked>>
85%
34040
53%
**61
90%
[Vihtavuori N568]*
<<locked>>
92%
37579
59%
**95
90%
Winchester 6.5 StaBALL
<<locked>>
81%
46659
73%
**51
100%
Winchester 760
<<locked>>
81%
52852
83%
**38
99%
Winchester StaBALL HD
<<locked>>
81%
28819
45%
**54
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.

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