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

Recommended Powder(s): Alliant Reloder-17, Hodgdon CFE223, IMR 4895, ReloadSwiss RS 60, SNPE Vectan SP 11

.300 RCM + .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 RCM load data
Case Length (l3):
2.090" | 53.1mm
Cartridge Length (C.O.L.):
2.797" | 71.1mm
Seated Depth:
0.625" | 15.9mm
Shank Seated Depth:
0.375" | 9.5mm
Case Capacity:
75.0 Grains of Water | 4.87 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
63817 psi | 4400 bar
LID:
LID_B5884_C371
Last updated:
2025-01-01
Recommended Twist Rate:
1:12 - 1:10

Load data for 190 loads in caliber .300 RCM with .308 | 165gr | Sierra Tipped GameKing bullet and 95 powders such as Alliant Reloder-17, Hodgdon CFE223, IMR 4895, ReloadSwiss RS 60, SNPE Vectan SP 11. 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 2206H
<<locked>>
88%
56855
89%
**74
100%
ADI AR 2208
<<locked>>
94%
56608
89%
**51
100%
Accurate 2015
<<locked>>
85%
57101
89%
**69
100%
Accurate 2200
<<locked>>
87%
56391
88%
**38
99%
Accurate 2495
<<locked>>
87%
57043
89%
**38
100%
Accurate 2520
<<locked>>
87%
56681
89%
**58
100%
Accurate 2700
<<locked>>
94%
56826
89%
**99
97%
[Accurate 3100]*
<<locked>>
97%
34635
54%
**16
93%
Accurate 4064
<<locked>>
93%
57392
90%
**64
100%
Accurate 4350
<<locked>>
97%
48631
76%
**15
99%
Alliant AR-Comp
<<locked>>
87%
57276
90%
**12
100%
Alliant Reloder- TS 15.5
<<locked>>
94%
56971
89%
**84
100%
Alliant Reloder-15
<<locked>>
91%
56782
89%
**00
100%
Alliant Reloder-16
<<locked>>
97%
47877
75%
**25
99%
Alliant Reloder-17 👍
<<locked>>
97%
55724
87%
**76
100%
[Alliant Reloder-19]*
<<locked>>
97%
41379
65%
**54
91%
Alliant Reloder-23
<<locked>>
97%
34360
54%
**59
97%
Alliant Reloder-26
<<locked>>
97%
37550
59%
**87
95%
Baschieri & Pellagri 107
<<locked>>
89%
57058
89%
**94
100%
Hodgdon BL-C2
<<locked>>
87%
56768
89%
**87
100%
Hodgdon Benchmark
<<locked>>
86%
56579
89%
**99
100%
Hodgdon CFE223 👍
<<locked>>
92%
57043
89%
**36
100%
Hodgdon H322
<<locked>>
85%
57043
89%
**31
100%
Hodgdon H380
<<locked>>
93%
57145
90%
**94
99%
Hodgdon H414
<<locked>>
96%
56753
89%
**43
98%
Hodgdon H4350
<<locked>>
97%
46644
73%
**10
95%
Hodgdon Hybrid 100V
<<locked>>
97%
44556
70%
**17
99%
Hodgdon LVR
<<locked>>
97%
52924
83%
**71
99%
Hodgdon Superperformance
<<locked>>
97%
52272
82%
**94
96%
Hodgdon VARGET
<<locked>>
94%
56898
89%
**61
100%
Hodgdon TrailBoss
<<locked>>
96%
33591
53%
**96
100%
IMR 3031
<<locked>>
91%
57363
90%
**67
100%
IMR 4064
<<locked>>
95%
56811
89%
**48
100%
IMR 4166 Enduron
<<locked>>
95%
56811
89%
**25
98%
IMR 4350
<<locked>>
97%
48965
77%
**53
95%
IMR 4451 Enduron
<<locked>>
96%
56739
89%
**54
97%
IMR 4831
<<locked>>
97%
41437
65%
**67
97%
IMR 4895 👍
<<locked>>
91%
57101
89%
**13
100%
IMR 8208 XBR
<<locked>>
87%
56681
89%
**38
100%
Lovex D073.6
<<locked>>
89%
56681
89%
**58
100%
Lovex S060
<<locked>>
89%
57363
90%
**18
100%
Lovex S062
<<locked>>
92%
56391
88%
**48
100%
Lovex S065
<<locked>>
97%
53563
84%
**12
98%
Lovex S070
<<locked>>
97%
50691
79%
**85
97%
Norma 201
<<locked>>
90%
57392
90%
**48
100%
Norma 202
<<locked>>
89%
56681
89%
**31
100%
Norma 203B
<<locked>>
92%
56724
89%
**94
100%
[Norma 204]*
<<locked>>
97%
49095
77%
**85
94%
[Norma MRP]*
<<locked>>
97%
37942
59%
**57
92%
Norma URP
<<locked>>
97%
48414
76%
**12
99%
Ramshot Big Game
<<locked>>
92%
57014
89%
**13
100%
Ramshot Hunter
<<locked>>
97%
47239
74%
**95
97%
Ramshot TAC
<<locked>>
87%
56942
89%
**58
99%
Ramshot Wild Boar
<<locked>>
87%
56463
88%
**77
100%
Ramshot X-Terminator
<<locked>>
84%
57014
89%
**35
100%
ReloadSwiss RS 14
<<locked>>
96%
33823
53%
**32
100%
ReloadSwiss RS 40
<<locked>>
83%
56724
89%
**31
100%
ReloadSwiss RS 50
<<locked>>
93%
57029
89%
**67
98%
ReloadSwiss RS 52
<<locked>>
92%
56434
88%
**13
100%
ReloadSwiss RS 60 👍
<<locked>>
97%
53867
84%
**63
100%
ReloadSwiss RS 62
<<locked>>
97%
48907
77%
**41
98%
ReloadSwiss RS 70
<<locked>>
97%
48501
76%
**58
98%
Rottweil R 901
<<locked>>
86%
56753
89%
**08
100%
Rottweil R 902
<<locked>>
91%
57101
89%
**31
100%
Rottweil R 903
<<locked>>
96%
56608
89%
**84
100%
Rottweil R 907
<<locked>>
97%
55854
88%
**38
97%
SNPE Vectan SP 11 👍
<<locked>>
95%
56623
89%
**20
100%
SNPE Vectan SP 7
<<locked>>
88%
57029
89%
**61
99%
SNPE Vectan SP 9
<<locked>>
90%
57159
90%
**74
100%
SNPE Vectan Tubal 3000
<<locked>>
88%
57101
89%
**59
100%
SNPE Vectan Tubal 5000
<<locked>>
94%
56956
89%
**53
100%
SNPE Vectan Tubal 7000
<<locked>>
97%
54172
85%
**69
97%
Shooters World Long Rifle
<<locked>>
97%
53563
84%
**12
98%
Shooters World Match Rifle
<<locked>>
89%
56681
89%
**58
100%
Shooters World Precision
<<locked>>
92%
56391
88%
**48
100%
Somchem S321
<<locked>>
84%
56855
89%
**61
100%
Somchem S335
<<locked>>
89%
57334
90%
**72
100%
Somchem S341
<<locked>>
88%
57392
90%
**64
100%
Somchem S355
<<locked>>
96%
57290
90%
**84
100%
Somchem S365
<<locked>>
97%
43323
68%
**62
100%
[Somchem S385]*
<<locked>>
97%
40741
64%
**28
93%
Vihtavuori N130
<<locked>>
85%
57305
90%
**36
100%
Vihtavuori N133
<<locked>>
91%
56942
89%
**43
100%
Vihtavuori N135
<<locked>>
97%
56855
89%
**99
100%
Vihtavuori N140
<<locked>>
91%
56536
89%
**08
100%
Vihtavuori N150
<<locked>>
97%
50372
79%
**49
100%
Vihtavuori N160
<<locked>>
97%
53577
84%
**41
99%
Vihtavuori N530
<<locked>>
85%
56840
89%
**51
100%
Vihtavuori N540
<<locked>>
91%
57029
89%
**41
100%
Vihtavuori N550
<<locked>>
97%
53563
84%
**90
99%
Vihtavuori N555
<<locked>>
97%
36550
57%
**28
97%
Winchester 6.5 StaBALL
<<locked>>
97%
51576
81%
**92
100%
Winchester 748
<<locked>>
84%
56536
89%
**84
100%
Winchester 760
<<locked>>
96%
56753
89%
**43
98%
Winchester StaBALL HD
<<locked>>
97%
30081
47%
**03
95%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
45136
71%
**84
99%
ADI AR 2208
<<locked>>
81%
38043
60%
**26
97%
Accurate 2015
<<locked>>
81%
50923
80%
**80
100%
Accurate 2200
<<locked>>
81%
47108
74%
**84
98%
Accurate 2495
<<locked>>
81%
46456
73%
**77
100%
Accurate 2520
<<locked>>
81%
46963
74%
**13
100%
[Accurate 2700]*
<<locked>>
81%
36521
57%
**34
91%
[Accurate 3100]*
<<locked>>
93%
30023
47%
**95
90%
Accurate 4064
<<locked>>
81%
39117
61%
**72
100%
[Accurate 4350]*
<<locked>>
81%
28413
45%
**72
92%
Alliant AR-Comp
<<locked>>
81%
47021
74%
**80
100%
Alliant Reloder- TS 15.5
<<locked>>
81%
37565
59%
**49
98%
Alliant Reloder-15
<<locked>>
81%
40683
64%
**21
98%
[Alliant Reloder-16]*
<<locked>>
81%
29312
46%
**82
92%
Alliant Reloder-17
<<locked>>
81%
32561
51%
**13
96%
[Alliant Reloder-19]*
<<locked>>
94%
38421
60%
**85
90%
[Alliant Reloder-23]*
<<locked>>
86%
24468
38%
**54
90%
[Alliant Reloder-26]*
<<locked>>
90%
29776
47%
**67
90%
Baschieri & Pellagri 107
<<locked>>
81%
43888
69%
**80
98%
Hodgdon BL-C2
<<locked>>
81%
46601
73%
**36
100%
Hodgdon Benchmark
<<locked>>
81%
49153
77%
**84
100%
Hodgdon CFE223
<<locked>>
81%
38885
61%
**18
97%
Hodgdon H322
<<locked>>
81%
49748
78%
**26
100%
Hodgdon H380
<<locked>>
81%
38072
60%
**49
96%
[Hodgdon H414]*
<<locked>>
81%
33736
53%
**93
91%
[Hodgdon H4350]*
<<locked>>
87%
34809
55%
**57
90%
[Hodgdon Hybrid 100V]*
<<locked>>
81%
26672
42%
**87
93%
[Hodgdon LVR]*
<<locked>>
81%
31749
50%
**41
93%
[Hodgdon Superperformance]*
<<locked>>
85%
35186
55%
**39
90%
Hodgdon VARGET
<<locked>>
81%
37811
59%
**23
97%
Hodgdon TrailBoss
<<locked>>
92%
31459
49%
**54
100%
IMR 3031
<<locked>>
81%
41017
64%
**21
100%
IMR 4064
<<locked>>
81%
37463
59%
**10
97%
[IMR 4166 Enduron]*
<<locked>>
81%
37318
58%
**67
92%
[IMR 4350]*
<<locked>>
85%
34316
54%
**44
90%
[IMR 4451 Enduron]*
<<locked>>
81%
35433
56%
**51
91%
[IMR 4831]*
<<locked>>
81%
25643
40%
**70
90%
IMR 4895
<<locked>>
81%
41742
65%
**51
98%
IMR 8208 XBR
<<locked>>
81%
47253
74%
**97
100%
Lovex D073.6
<<locked>>
81%
43918
69%
**61
100%
Lovex S060
<<locked>>
81%
45005
71%
**15
99%
Lovex S062
<<locked>>
81%
39900
63%
**69
99%
[Lovex S065]*
<<locked>>
81%
32837
51%
**98
92%
[Lovex S070]*
<<locked>>
82%
31937
50%
**95
90%
Norma 201
<<locked>>
81%
44121
69%
**35
100%
Norma 202
<<locked>>
81%
44208
69%
**41
100%
Norma 203B
<<locked>>
81%
40059
63%
**08
98%
[Norma 204]*
<<locked>>
90%
38856
61%
**85
90%
[Norma MRP]*
<<locked>>
94%
34882
55%
**79
90%
[Norma URP]*
<<locked>>
81%
29051
46%
**72
92%
Ramshot Big Game
<<locked>>
81%
39450
62%
**18
98%
[Ramshot Hunter]*
<<locked>>
84%
30995
49%
**25
90%
Ramshot TAC
<<locked>>
81%
46963
74%
**90
97%
Ramshot Wild Boar
<<locked>>
81%
46528
73%
**13
99%
Ramshot X-Terminator
<<locked>>
81%
51039
80%
**43
100%
ReloadSwiss RS 14
<<locked>>
87%
29704
47%
**47
100%
ReloadSwiss RS 40
<<locked>>
81%
53142
83%
**72
100%
[ReloadSwiss RS 50]*
<<locked>>
81%
38769
61%
**36
94%
ReloadSwiss RS 52
<<locked>>
81%
38711
61%
**18
99%
ReloadSwiss RS 60
<<locked>>
81%
31705
50%
**93
97%
[ReloadSwiss RS 62]*
<<locked>>
81%
28471
45%
**88
91%
[ReloadSwiss RS 70]*
<<locked>>
82%
30182
47%
**11
90%
Rottweil R 901
<<locked>>
81%
48037
75%
**77
100%
Rottweil R 902
<<locked>>
81%
41829
66%
**82
99%
Rottweil R 903
<<locked>>
81%
35114
55%
**97
97%
[Rottweil R 907]*
<<locked>>
81%
33939
53%
**18
90%
SNPE Vectan SP 11
<<locked>>
81%
36085
57%
**46
97%
SNPE Vectan SP 7
<<locked>>
81%
45179
71%
**67
97%
SNPE Vectan SP 9
<<locked>>
81%
43497
68%
**54
99%
SNPE Vectan Tubal 3000
<<locked>>
81%
45585
71%
**92
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
37855
59%
**57
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
81%
31662
50%
**46
90%
[Shooters World Long Rifle]*
<<locked>>
81%
32837
51%
**98
92%
Shooters World Match Rifle
<<locked>>
81%
43918
69%
**61
100%
Shooters World Precision
<<locked>>
81%
39900
63%
**69
99%
Somchem S321
<<locked>>
81%
50865
80%
**66
100%
Somchem S335
<<locked>>
81%
45150
71%
**89
100%
Somchem S341
<<locked>>
81%
44788
70%
**61
99%
Somchem S355
<<locked>>
81%
35998
56%
**00
97%
[Somchem S365]*
<<locked>>
81%
26107
41%
**26
94%
[Somchem S385]*
<<locked>>
92%
34374
54%
**90
90%
Vihtavuori N130
<<locked>>
81%
50328
79%
**41
100%
Vihtavuori N133
<<locked>>
81%
42728
67%
**39
100%
Vihtavuori N135
<<locked>>
81%
34853
55%
**51
100%
Vihtavuori N140
<<locked>>
81%
41118
64%
**69
100%
Vihtavuori N150
<<locked>>
81%
30734
48%
**59
97%
[Vihtavuori N160]*
<<locked>>
81%
31618
50%
**15
93%
Vihtavuori N530
<<locked>>
81%
49545
78%
**46
100%
Vihtavuori N540
<<locked>>
81%
40973
64%
**85
100%
[Vihtavuori N550]*
<<locked>>
81%
31778
50%
**48
93%
[Vihtavuori N555]*
<<locked>>
85%
25237
40%
**10
90%
Winchester 6.5 StaBALL
<<locked>>
81%
30400
48%
**62
95%
Winchester 748
<<locked>>
81%
50372
79%
**89
100%
[Winchester 760]*
<<locked>>
81%
33736
53%
**93
91%
[Winchester StaBALL HD]*
<<locked>>
92%
25773
40%
**43
90%

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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