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

Recommended Powder(s):

.300 Win. 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:
<<locked>>
Caliber:
.300 Win. Mag. load data
Case Length (l3):
2.620" | 66.5mm
Cartridge Length (C.O.L.):
<<locked>>
Seated Depth:
<<locked>>
Shank Seated Depth:
<<locked>>
Case Capacity:
90.5 Grains of Water | 5.88 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
62366 psi | 4300 bar
LID:
LID_B5884_C380
Last updated:
2026-01-22
Recommended Twist Rate:
1:12 - 1:10

Load data for 172 loads in caliber .300 Win. Mag. with .308 | 165gr | Sierra Tipped GameKing bullet and 86 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".

  • 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.

    .

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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 2208
<<locked>>
87%
55767
89%
**27
100%
ADI AR 2209
<<locked>>
97%
52721
85%
**66
97%
[ADI AR 2213]*
<<locked>>
97%
47311
76%
**81
94%
Accurate 2700
<<locked>>
88%
55709
89%
**81
98%
Accurate 3100
<<locked>>
97%
46514
75%
**22
98%
Accurate 4064
<<locked>>
85%
55622
89%
**00
100%
Accurate 4350 👍
<<locked>>
93%
56086
90%
**02
100%
Alliant Power Pro 2000-MR
<<locked>>
84%
55898
90%
**68
100%
Alliant Reloder- TS 15.5
<<locked>>
87%
55288
89%
**33
100%
Alliant Reloder-15
<<locked>>
85%
55970
90%
**63
100%
Alliant Reloder-16 👍
<<locked>>
94%
55259
89%
**35
100%
Alliant Reloder-17
<<locked>>
90%
55709
89%
**45
100%
Alliant Reloder-19
<<locked>>
97%
52460
84%
**66
97%
Alliant Reloder-22
<<locked>>
97%
46166
74%
**84
96%
Alliant Reloder-23
<<locked>>
97%
43845
70%
**44
100%
Alliant Reloder-25
<<locked>>
97%
37956
61%
**36
96%
Alliant Reloder-26
<<locked>>
97%
49110
79%
**22
100%
[Bofors RP15]*
<<locked>>
97%
42395
68%
**08
94%
Bofors RP3
<<locked>>
86%
55811
89%
**53
100%
Bofors RP5
<<locked>>
97%
46166
74%
**84
96%
Bofors RP7
<<locked>>
90%
55434
89%
**23
98%
Hodgdon CFE223
<<locked>>
85%
56014
90%
**99
100%
Hodgdon H380
<<locked>>
86%
55506
89%
**53
100%
Hodgdon H414
<<locked>>
89%
55608
89%
**09
99%
Hodgdon H4350
<<locked>>
96%
56057
90%
**53
98%
[Hodgdon H4831]*
<<locked>>
97%
44106
71%
**76
92%
[Hodgdon H4831 SC]*
<<locked>>
97%
49617
80%
**77
94%
Hodgdon Hybrid 100V
<<locked>>
96%
55666
89%
**56
100%
Hodgdon LVR
<<locked>>
92%
56072
90%
**99
100%
Hodgdon Superperformance
<<locked>>
92%
55869
90%
**51
99%
Hodgdon VARGET
<<locked>>
88%
55985
90%
**36
100%
Hodgdon TrailBoss
<<locked>>
97%
34838
56%
**08
100%
IMR 3031
<<locked>>
84%
55317
89%
**10
100%
IMR 4064
<<locked>>
88%
55680
89%
**17
100%
IMR 4166 Enduron
<<locked>>
89%
55941
90%
**10
99%
IMR 4350
<<locked>>
94%
55709
89%
**53
98%
IMR 4451 Enduron
<<locked>>
90%
55912
90%
**43
99%
IMR 4831
<<locked>>
97%
53229
85%
**40
100%
IMR 4895
<<locked>>
84%
55941
90%
**69
100%
[IMR 4955 Enduron]*
<<locked>>
97%
48994
79%
**28
94%
[IMR 7828 SSC]*
<<locked>>
97%
48211
77%
**13
94%
Lovex S062
<<locked>>
85%
55724
89%
**13
100%
Lovex S065
<<locked>>
92%
55999
90%
**33
100%
Lovex S070
<<locked>>
93%
55782
89%
**49
99%
Lovex S071
<<locked>>
97%
38696
62%
**67
96%
Norma 203B
<<locked>>
85%
55927
90%
**63
100%
Norma 204
<<locked>>
94%
55825
90%
**86
97%
Norma MRP
<<locked>>
97%
48733
78%
**76
98%
Norma URP
<<locked>>
94%
56014
90%
**02
100%
Ramshot Big Game
<<locked>>
85%
55593
89%
**69
100%
Ramshot Grand
<<locked>>
97%
51735
83%
**89
96%
Ramshot Hunter 👍
<<locked>>
95%
56072
90%
**25
99%
Ramshot Magnum
<<locked>>
97%
44556
71%
**31
96%
ReloadSwiss RS 14
<<locked>>
97%
35476
57%
**50
100%
ReloadSwiss RS 50
<<locked>>
86%
55506
89%
**33
99%
ReloadSwiss RS 60
<<locked>>
88%
56014
90%
**51
100%
ReloadSwiss RS 62 👍
<<locked>>
93%
55869
90%
**25
100%
ReloadSwiss RS 70 👍
<<locked>>
94%
55463
89%
**61
100%
[ReloadSwiss RS 76]*
<<locked>>
97%
37014
59%
**26
93%
Rottweil R 902
<<locked>>
84%
56057
90%
**00
100%
Rottweil R 903
<<locked>>
88%
55753
89%
**40
100%
Rottweil R 904
<<locked>>
97%
54882
88%
**40
96%
Rottweil R 905
<<locked>>
97%
51111
82%
**40
97%
Rottweil R 907
<<locked>>
90%
55434
89%
**23
98%
SNPE Vectan SP 11
<<locked>>
88%
56130
90%
**79
100%
SNPE Vectan Tubal 5000
<<locked>>
88%
55869
90%
**15
100%
SNPE Vectan Tubal 7000
<<locked>>
92%
55492
89%
**84
99%
Shooters World Long Rifle
<<locked>>
92%
55999
90%
**33
100%
Shooters World Precision
<<locked>>
85%
55724
89%
**13
100%
Somchem S355
<<locked>>
88%
55811
89%
**40
100%
Somchem S361
<<locked>>
96%
55796
89%
**23
95%
Somchem S365
<<locked>>
96%
55666
89%
**12
100%
Somchem S385
<<locked>>
97%
51967
83%
**23
98%
Vihtavuori N133
<<locked>>
84%
55434
89%
**99
100%
Vihtavuori N135
<<locked>>
89%
55405
89%
**51
100%
Vihtavuori N140
<<locked>>
85%
56028
90%
**67
100%
Vihtavuori N150
<<locked>>
93%
55680
89%
**94
100%
Vihtavuori N160
<<locked>>
91%
55405
89%
**53
100%
Vihtavuori N165
<<locked>>
97%
43221
69%
**46
95%
Vihtavuori N540
<<locked>>
84%
55303
89%
**90
100%
Vihtavuori N550
<<locked>>
91%
55608
89%
**92
100%
Vihtavuori N555
<<locked>>
97%
49037
79%
**23
100%
[Vihtavuori N560]*
<<locked>>
97%
46673
75%
**07
93%
Winchester 6.5 StaBALL
<<locked>>
93%
55912
90%
**40
100%
Winchester 760
<<locked>>
89%
55608
89%
**09
99%
Winchester StaBALL HD
<<locked>>
97%
37333
60%
**81
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
46151
74%
**62
99%
[ADI AR 2209]*
<<locked>>
84%
34374
55%
**69
90%
[ADI AR 2213]*
<<locked>>
91%
38435
62%
**87
90%
Accurate 2700
<<locked>>
81%
44411
71%
**84
96%
[Accurate 3100]*
<<locked>>
81%
26818
43%
**56
90%
Accurate 4064
<<locked>>
81%
48747
78%
**92
100%
Accurate 4350
<<locked>>
81%
36767
59%
**41
97%
Alliant Power Pro 2000-MR
<<locked>>
81%
50691
81%
**82
100%
Alliant Reloder- TS 15.5
<<locked>>
81%
46456
74%
**89
100%
Alliant Reloder-15
<<locked>>
81%
49617
80%
**58
100%
Alliant Reloder-16
<<locked>>
81%
35998
58%
**51
97%
Alliant Reloder-17
<<locked>>
81%
40770
65%
**79
100%
[Alliant Reloder-19]*
<<locked>>
83%
33663
54%
**52
90%
[Alliant Reloder-22]*
<<locked>>
87%
33562
54%
**92
90%
[Alliant Reloder-23]*
<<locked>>
81%
26295
42%
**92
94%
[Alliant Reloder-25]*
<<locked>>
87%
27659
44%
**25
90%
[Alliant Reloder-26]*
<<locked>>
81%
27934
45%
**80
92%
[Bofors RP15]*
<<locked>>
90%
34040
55%
**98
90%
Bofors RP3
<<locked>>
81%
46528
75%
**99
100%
[Bofors RP5]*
<<locked>>
87%
33562
54%
**92
90%
Bofors RP7
<<locked>>
81%
41220
66%
**64
95%
Hodgdon CFE223
<<locked>>
81%
48762
78%
**74
100%
Hodgdon H380
<<locked>>
81%
46949
75%
**08
99%
Hodgdon H414
<<locked>>
81%
42221
68%
**62
96%
[Hodgdon H4350]*
<<locked>>
81%
35056
56%
**39
93%
[Hodgdon H4831]*
<<locked>>
94%
39479
63%
**67
90%
[Hodgdon H4831 SC]*
<<locked>>
90%
39320
63%
**67
90%
Hodgdon Hybrid 100V
<<locked>>
81%
33649
54%
**49
98%
Hodgdon LVR
<<locked>>
81%
39653
64%
**90
97%
[Hodgdon Superperformance]*
<<locked>>
81%
38000
61%
**94
94%
Hodgdon VARGET
<<locked>>
81%
45701
73%
**56
99%
Hodgdon TrailBoss
<<locked>>
81%
27441
44%
**47
100%
IMR 3031
<<locked>>
81%
50807
81%
**38
100%
IMR 4064
<<locked>>
81%
45194
72%
**36
99%
IMR 4166 Enduron
<<locked>>
81%
44599
72%
**03
97%
[IMR 4350]*
<<locked>>
81%
36724
59%
**82
93%
IMR 4451 Enduron
<<locked>>
81%
42801
69%
**94
96%
IMR 4831
<<locked>>
81%
32184
52%
**10
96%
IMR 4895
<<locked>>
81%
50821
81%
**94
100%
[IMR 4955 Enduron]*
<<locked>>
89%
38508
62%
**18
90%
[IMR 7828 SSC]*
<<locked>>
90%
38232
61%
**97
90%
Lovex S062
<<locked>>
81%
48747
78%
**05
100%
Lovex S065
<<locked>>
81%
40103
64%
**41
97%
Lovex S070
<<locked>>
81%
38189
61%
**15
95%
[Lovex S071]*
<<locked>>
85%
26629
43%
**49
90%
Norma 203B
<<locked>>
81%
48979
79%
**44
100%
[Norma 204]*
<<locked>>
81%
36289
58%
**08
91%
[Norma MRP]*
<<locked>>
83%
30850
49%
**36
90%
Norma URP
<<locked>>
81%
36724
59%
**35
97%
Ramshot Big Game
<<locked>>
81%
49327
79%
**64
100%
[Ramshot Grand]*
<<locked>>
88%
37826
61%
**97
90%
Ramshot Hunter
<<locked>>
81%
35592
57%
**15
95%
[Ramshot Magnum]*
<<locked>>
89%
33069
53%
**52
90%
ReloadSwiss RS 14
<<locked>>
81%
28036
45%
**90
100%
ReloadSwiss RS 50
<<locked>>
81%
47282
76%
**95
98%
ReloadSwiss RS 60
<<locked>>
81%
43323
69%
**38
100%
ReloadSwiss RS 62
<<locked>>
81%
36608
59%
**54
97%
ReloadSwiss RS 70
<<locked>>
81%
35679
57%
**57
96%
[ReloadSwiss RS 76]*
<<locked>>
94%
33286
53%
**18
90%
Rottweil R 902
<<locked>>
81%
50444
81%
**08
100%
Rottweil R 903
<<locked>>
81%
43947
70%
**46
100%
[Rottweil R 904]*
<<locked>>
84%
36289
58%
**72
90%
[Rottweil R 905]*
<<locked>>
84%
32837
53%
**36
90%
Rottweil R 907
<<locked>>
81%
41220
66%
**64
95%
SNPE Vectan SP 11
<<locked>>
81%
45107
72%
**95
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
45339
73%
**57
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
39407
63%
**89
95%
Shooters World Long Rifle
<<locked>>
81%
40103
64%
**41
97%
Shooters World Precision
<<locked>>
81%
48747
78%
**05
100%
Somchem S355
<<locked>>
81%
44309
71%
**43
100%
[Somchem S361]*
<<locked>>
86%
39044
63%
**08
90%
Somchem S365
<<locked>>
81%
33025
53%
**85
99%
[Somchem S385]*
<<locked>>
81%
30734
49%
**61
90%
Vihtavuori N133
<<locked>>
81%
51111
82%
**33
100%
Vihtavuori N135
<<locked>>
81%
43076
69%
**57
100%
Vihtavuori N140
<<locked>>
81%
50415
81%
**82
100%
Vihtavuori N150
<<locked>>
81%
37768
61%
**89
100%
Vihtavuori N160
<<locked>>
81%
39697
64%
**67
98%
[Vihtavuori N165]*
<<locked>>
87%
31952
51%
**84
90%
Vihtavuori N540
<<locked>>
81%
49835
80%
**05
100%
Vihtavuori N550
<<locked>>
81%
40059
64%
**07
98%
Vihtavuori N555
<<locked>>
81%
28689
46%
**67
95%
[Vihtavuori N560]*
<<locked>>
92%
39088
63%
**33
90%
Winchester 6.5 StaBALL
<<locked>>
81%
37405
60%
**08
99%
Winchester 760
<<locked>>
81%
42221
68%
**62
96%
[Winchester StaBALL HD]*
<<locked>>
81%
23250
37%
**23
91%

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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