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

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Recommended Powder(s): Alliant Reloder-16, Hodgdon H414, ReloadSwiss RS 62, ReloadSwiss RS 70, Winchester 760

.300 RCM + .308 | 200gr | Sierra SBT GameKing

Load Specifications

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 RCM load data
Case Length (l3):
2.090" | 53.1mm
Cartridge Length (C.O.L.):
2.797" | 71.1mm
Seated Depth:
0.693" | 17.6mm
Shank Seated Depth:
0.448" | 11.4mm
Case Capacity:
75.0 Grains of Water | 4.87 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
63817 psi | 4400 bar
LID:
LID_B5904_C371
Last updated:
2025-01-01
Recommended Twist Rate:
1:12 - 1:10

>> Use the Personalized Load Calculator further below to adjust input parameters. 

Load data for 186 loads in caliber .300 RCM with .308 | 200gr | Sierra SBT GameKing bullet and 93 powders such as Alliant Reloder-16, Hodgdon H414, ReloadSwiss RS 62, ReloadSwiss RS 70, Winchester 760. 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 2206H
<<locked>>
85%
57072
89%
**18
100%
ADI AR 2208
<<locked>>
90%
57377
90%
**08
100%
ADI AR 2209
<<locked>>
97%
48863
77%
**69
96%
[ADI AR 2213]*
<<locked>>
97%
43308
68%
**93
93%
Accurate 2200
<<locked>>
83%
56913
89%
**89
100%
Accurate 2495
<<locked>>
83%
57174
90%
**56
100%
Accurate 2700
<<locked>>
91%
56449
88%
**62
99%
Accurate 3100
<<locked>>
97%
41669
65%
**38
98%
Accurate 4064
<<locked>>
88%
57087
89%
**85
100%
Accurate 4350
<<locked>>
96%
56840
89%
**77
100%
Alliant Reloder- TS 15.5
<<locked>>
90%
56753
89%
**15
100%
Alliant Reloder-15
<<locked>>
87%
56681
89%
**35
100%
Alliant Reloder-16 👍
<<locked>>
97%
54955
86%
**90
100%
Alliant Reloder-17
<<locked>>
93%
56768
89%
**26
100%
Alliant Reloder-19
<<locked>>
97%
48037
75%
**62
96%
Alliant Reloder-22
<<locked>>
97%
41698
65%
**97
95%
Alliant Reloder-23
<<locked>>
97%
39392
62%
**54
100%
Alliant Reloder-25
<<locked>>
97%
35099
55%
**75
96%
Alliant Reloder-26
<<locked>>
97%
43961
69%
**12
99%
Baschieri & Pellagri 107
<<locked>>
85%
57261
90%
**38
100%
Hodgdon CFE223
<<locked>>
88%
57087
89%
**77
100%
Hodgdon H380
<<locked>>
89%
56608
89%
**31
100%
Hodgdon H414 👍
<<locked>>
92%
56913
89%
**94
99%
Hodgdon H4350
<<locked>>
97%
52663
83%
**75
98%
[Hodgdon H4831 SC]*
<<locked>>
97%
45382
71%
**84
93%
Hodgdon Hybrid 100V
<<locked>>
97%
51706
81%
**75
100%
Hodgdon LVR
<<locked>>
95%
57319
90%
**77
100%
Hodgdon Superperformance
<<locked>>
95%
56985
89%
**26
99%
Hodgdon VARGET
<<locked>>
90%
57058
89%
**05
100%
IMR 3031
<<locked>>
87%
56594
89%
**82
100%
IMR 4064
<<locked>>
91%
56753
89%
**92
100%
IMR 4166 Enduron
<<locked>>
92%
57392
90%
**92
99%
IMR 4350
<<locked>>
97%
56275
88%
**25
99%
IMR 4451 Enduron
<<locked>>
93%
57203
90%
**18
99%
IMR 4831
<<locked>>
96%
48124
75%
**43
100%
IMR 4895
<<locked>>
87%
57145
90%
**44
100%
[IMR 4955 Enduron]*
<<locked>>
97%
45629
71%
**57
94%
[IMR 7828 SSC]*
<<locked>>
97%
44614
70%
**26
94%
IMR 8208 XBR
<<locked>>
83%
56666
89%
**79
100%
Lovex D073.6
<<locked>>
85%
56753
89%
**85
100%
Lovex S060
<<locked>>
85%
56695
89%
**52
100%
Lovex S062
<<locked>>
88%
56826
89%
**85
100%
Lovex S065
<<locked>>
95%
57319
90%
**21
100%
Lovex S070
<<locked>>
96%
56768
89%
**38
99%
Lovex S071
<<locked>>
97%
34505
54%
**00
96%
Norma 201
<<locked>>
85%
56797
89%
**75
100%
Norma 202
<<locked>>
85%
56565
89%
**66
100%
Norma 203B
<<locked>>
88%
56695
89%
**28
100%
Norma 204
<<locked>>
97%
57087
89%
**80
98%
Norma MRP
<<locked>>
97%
43772
69%
**66
97%
Norma URP
<<locked>>
97%
56115
88%
**64
100%
Ramshot Big Game
<<locked>>
87%
56739
89%
**51
100%
Ramshot Hunter
<<locked>>
97%
55506
87%
**77
100%
Ramshot Magnum
<<locked>>
97%
40553
64%
**51
95%
Ramshot Wild Boar
<<locked>>
84%
57392
90%
**28
100%
ReloadSwiss RS 50
<<locked>>
89%
57130
90%
**18
100%
ReloadSwiss RS 52
<<locked>>
88%
57188
90%
**54
100%
ReloadSwiss RS 60
<<locked>>
94%
56913
89%
**46
100%
ReloadSwiss RS 62 👍
<<locked>>
97%
57363
90%
**13
100%
ReloadSwiss RS 70 👍
<<locked>>
97%
56768
89%
**40
100%
Rottweil R 902
<<locked>>
87%
57087
89%
**69
100%
Rottweil R 903
<<locked>>
91%
56652
89%
**15
100%
Rottweil R 904
<<locked>>
97%
50270
79%
**39
96%
Rottweil R 905
<<locked>>
97%
46296
73%
**39
96%
Rottweil R 907
<<locked>>
93%
56608
89%
**12
99%
SNPE Vectan SP 11
<<locked>>
91%
57319
90%
**64
100%
SNPE Vectan SP 7
<<locked>>
84%
56797
89%
**05
100%
SNPE Vectan SP 9
<<locked>>
86%
57174
90%
**15
100%
SNPE Vectan Tubal 3000
<<locked>>
85%
57392
90%
**00
100%
SNPE Vectan Tubal 5000
<<locked>>
90%
56913
89%
**93
100%
SNPE Vectan Tubal 7000
<<locked>>
95%
57174
90%
**75
99%
Shooters World Long Rifle
<<locked>>
95%
57319
90%
**21
100%
Shooters World Match Rifle
<<locked>>
85%
56753
89%
**85
100%
Shooters World Precision
<<locked>>
88%
56826
89%
**85
100%
Somchem S335
<<locked>>
85%
56449
88%
**00
100%
Somchem S341
<<locked>>
84%
57363
90%
**02
100%
Somchem S355
<<locked>>
91%
56768
89%
**15
100%
Somchem S361
<<locked>>
97%
52054
82%
**39
95%
Somchem S365
<<locked>>
97%
51358
80%
**28
100%
Somchem S385
<<locked>>
97%
47166
74%
**26
97%
Vihtavuori N133
<<locked>>
87%
57000
89%
**80
100%
Vihtavuori N135
<<locked>>
93%
56942
89%
**30
100%
Vihtavuori N140
<<locked>>
87%
56695
89%
**43
100%
Vihtavuori N150
<<locked>>
97%
57348
90%
**79
100%
Vihtavuori N160
<<locked>>
94%
57130
90%
**41
100%
Vihtavuori N165
<<locked>>
97%
39276
62%
**72
95%
Vihtavuori N540
<<locked>>
87%
56811
89%
**75
100%
Vihtavuori N550
<<locked>>
94%
56927
89%
**80
100%
Vihtavuori N555
<<locked>>
97%
43598
68%
**23
100%
[Vihtavuori N560]*
<<locked>>
97%
42105
66%
**07
92%
Winchester 6.5 StaBALL
<<locked>>
96%
56927
89%
**18
100%
Winchester 760 👍
<<locked>>
92%
56913
89%
**94
99%
Winchester StaBALL HD
<<locked>>
97%
35505
56%
**84
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
50836
80%
**30
100%
ADI AR 2208
<<locked>>
81%
43250
68%
**95
99%
[ADI AR 2209]*
<<locked>>
84%
32503
51%
**34
90%
[ADI AR 2213]*
<<locked>>
92%
37101
58%
**62
90%
Accurate 2200
<<locked>>
81%
53113
83%
**36
100%
Accurate 2495
<<locked>>
81%
53171
83%
**10
100%
Accurate 2700
<<locked>>
81%
41307
65%
**23
96%
[Accurate 3100]*
<<locked>>
81%
24323
38%
**41
90%
Accurate 4064
<<locked>>
81%
44918
70%
**18
100%
Accurate 4350
<<locked>>
81%
33576
53%
**83
97%
Alliant Reloder- TS 15.5
<<locked>>
81%
43250
68%
**18
100%
Alliant Reloder-15
<<locked>>
81%
46238
72%
**80
100%
Alliant Reloder-16
<<locked>>
81%
33547
53%
**00
97%
Alliant Reloder-17
<<locked>>
81%
37536
59%
**15
100%
[Alliant Reloder-19]*
<<locked>>
84%
31662
50%
**28
90%
[Alliant Reloder-22]*
<<locked>>
88%
31430
49%
**57
90%
[Alliant Reloder-23]*
<<locked>>
81%
24337
38%
**70
94%
[Alliant Reloder-25]*
<<locked>>
87%
26252
41%
**19
90%
[Alliant Reloder-26]*
<<locked>>
81%
25585
40%
**52
91%
Baschieri & Pellagri 107
<<locked>>
81%
50154
79%
**43
100%
Hodgdon CFE223
<<locked>>
81%
45078
71%
**00
99%
Hodgdon H380
<<locked>>
81%
44106
69%
**41
99%
Hodgdon H414
<<locked>>
81%
39073
61%
**98
96%
[Hodgdon H4350]*
<<locked>>
81%
32430
51%
**95
92%
[Hodgdon H4831 SC]*
<<locked>>
91%
37536
59%
**36
90%
Hodgdon Hybrid 100V
<<locked>>
81%
30980
49%
**05
98%
Hodgdon LVR
<<locked>>
81%
36724
58%
**39
97%
[Hodgdon Superperformance]*
<<locked>>
81%
34853
55%
**26
93%
Hodgdon VARGET
<<locked>>
81%
42975
67%
**88
99%
IMR 3031
<<locked>>
81%
47398
74%
**64
100%
IMR 4064
<<locked>>
81%
42453
67%
**79
99%
IMR 4166 Enduron
<<locked>>
81%
42003
66%
**46
97%
[IMR 4350]*
<<locked>>
81%
34171
54%
**34
93%
IMR 4451 Enduron
<<locked>>
81%
39914
63%
**36
96%
IMR 4831
<<locked>>
81%
29573
46%
**75
96%
IMR 4895
<<locked>>
81%
47485
74%
**07
100%
[IMR 4955 Enduron]*
<<locked>>
89%
36230
57%
**74
90%
[IMR 7828 SSC]*
<<locked>>
91%
36999
58%
**69
90%
IMR 8208 XBR
<<locked>>
81%
53113
83%
**30
100%
Lovex D073.6
<<locked>>
81%
50430
79%
**07
100%
Lovex S060
<<locked>>
81%
50488
79%
**67
100%
Lovex S062
<<locked>>
81%
45672
72%
**28
100%
Lovex S065
<<locked>>
81%
37304
58%
**90
97%
Lovex S070
<<locked>>
81%
35665
56%
**74
95%
[Lovex S071]*
<<locked>>
86%
24584
39%
**47
90%
Norma 201
<<locked>>
81%
49676
78%
**80
100%
Norma 202
<<locked>>
81%
50169
79%
**80
100%
Norma 203B
<<locked>>
81%
45730
72%
**70
100%
[Norma 204]*
<<locked>>
81%
33547
53%
**51
91%
[Norma MRP]*
<<locked>>
84%
28790
45%
**11
90%
Norma URP
<<locked>>
81%
33895
53%
**87
97%
Ramshot Big Game
<<locked>>
81%
45455
71%
**87
100%
Ramshot Hunter
<<locked>>
81%
32996
52%
**74
95%
[Ramshot Magnum]*
<<locked>>
90%
31328
49%
**38
90%
Ramshot Wild Boar
<<locked>>
81%
52910
83%
**69
100%
ReloadSwiss RS 50
<<locked>>
81%
44019
69%
**18
98%
ReloadSwiss RS 52
<<locked>>
81%
44947
70%
**80
100%
ReloadSwiss RS 60
<<locked>>
81%
36419
57%
**05
100%
ReloadSwiss RS 62
<<locked>>
81%
33359
52%
**00
97%
ReloadSwiss RS 70
<<locked>>
81%
33069
52%
**06
96%
Rottweil R 902
<<locked>>
81%
47413
74%
**38
100%
Rottweil R 903
<<locked>>
81%
40756
64%
**79
100%
[Rottweil R 904]*
<<locked>>
85%
34650
54%
**47
90%
[Rottweil R 905]*
<<locked>>
84%
30618
48%
**05
90%
Rottweil R 907
<<locked>>
81%
38537
60%
**06
95%
SNPE Vectan SP 11
<<locked>>
81%
41611
65%
**28
100%
SNPE Vectan SP 7
<<locked>>
81%
51532
81%
**30
100%
SNPE Vectan SP 9
<<locked>>
81%
49255
77%
**07
100%
SNPE Vectan Tubal 3000
<<locked>>
81%
50836
80%
**18
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
42540
67%
**00
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
36753
58%
**44
95%
Shooters World Long Rifle
<<locked>>
81%
37304
58%
**90
97%
Shooters World Match Rifle
<<locked>>
81%
50430
79%
**07
100%
Shooters World Precision
<<locked>>
81%
45672
72%
**28
100%
Somchem S335
<<locked>>
81%
50343
79%
**21
100%
Somchem S341
<<locked>>
81%
51155
80%
**23
100%
Somchem S355
<<locked>>
81%
41133
64%
**79
100%
[Somchem S361]*
<<locked>>
86%
37028
58%
**80
90%
Somchem S365
<<locked>>
81%
30197
47%
**41
99%
[Somchem S385]*
<<locked>>
81%
28195
44%
**29
90%
Vihtavuori N133
<<locked>>
81%
48051
75%
**69
100%
Vihtavuori N135
<<locked>>
81%
40132
63%
**00
100%
Vihtavuori N140
<<locked>>
81%
47036
74%
**11
100%
Vihtavuori N150
<<locked>>
81%
35389
55%
**44
100%
Vihtavuori N160
<<locked>>
81%
36506
57%
**10
98%
[Vihtavuori N165]*
<<locked>>
88%
29979
47%
**65
90%
Vihtavuori N540
<<locked>>
81%
46528
73%
**34
100%
Vihtavuori N550
<<locked>>
81%
37231
58%
**56
98%
Vihtavuori N555
<<locked>>
81%
26208
41%
**42
95%
[Vihtavuori N560]*
<<locked>>
93%
36825
58%
**92
90%
Winchester 6.5 StaBALL
<<locked>>
81%
34577
54%
**60
99%
Winchester 760
<<locked>>
81%
39073
61%
**98
96%
[Winchester StaBALL HD]*
<<locked>>
81%
21480
34%
**14
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.

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