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Load data for 8 x 60 RS + .323 | 220gr | Sierra SBT GameKing

Recommended Powder(s):

8 x 60 RS + .323 | 220gr | Sierra SBT GameKing

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.323 | 220gr | Sierra SBT GameKing
Manufacturer SKU:
2420
Bullet Weight:
220gr | 14.3g
Bullet Diameter:
0.323" | 8.20mm
Bullet Length:
1.390" | 35.3mm
Caliber:
8 x 60 RS load data
Case Length (l3):
2.362" | 60.0mm
Cartridge Length (C.O.L.):
3.242" | 82.3mm
Seated Depth:
0.510" | 13.0mm
Shank Seated Depth:
0.310" | 7.9mm
Case Capacity:
64.2 Grains of Water | 4.17 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
49313 psi | 3400 bar
LID:
LID_B5923_C1185
Last updated:
2025-01-01
Recommended Twist Rate:
1:13 - 1:11

Load data for 132 loads in caliber 8 x 60 RS with .323 | 220gr | Sierra SBT GameKing bullet and 66 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".

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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 2208
<<locked>>
89%
44280
90%
**90
98%
[Accurate 2700]*
<<locked>>
89%
43830
89%
**28
94%
Accurate 4064
<<locked>>
88%
43758
89%
**03
100%
Accurate 4350
<<locked>>
96%
42641
86%
**52
98%
Alliant Reloder- TS 15.5
<<locked>>
89%
44295
90%
**23
99%
Alliant Reloder-15
<<locked>>
87%
44222
90%
**26
99%
Alliant Reloder-16
<<locked>>
97%
43352
88%
**65
98%
Alliant Reloder-17 👍
<<locked>>
93%
43845
89%
**05
99%
Alliant Reloder-23
<<locked>>
97%
30545
62%
**29
95%
[Alliant Reloder-26]*
<<locked>>
97%
33170
67%
**38
93%
Baschieri & Pellagri 107
<<locked>>
84%
44353
90%
**26
98%
Hodgdon CFE223
<<locked>>
88%
43976
89%
**59
98%
Hodgdon H380
<<locked>>
88%
43888
89%
**16
97%
Hodgdon H414
<<locked>>
92%
43874
89%
**62
95%
[Hodgdon H4350]*
<<locked>>
97%
41989
85%
**64
93%
Hodgdon Hybrid 100V
<<locked>>
97%
39784
81%
**74
98%
Hodgdon LVR
<<locked>>
94%
43395
88%
**46
97%
[Hodgdon Superperformance]*
<<locked>>
95%
44034
89%
**72
94%
Hodgdon VARGET
<<locked>>
89%
43961
89%
**83
98%
IMR 3031
<<locked>>
86%
43888
89%
**13
100%
IMR 4064
<<locked>>
89%
43526
88%
**74
98%
IMR 4166 Enduron
<<locked>>
89%
44309
90%
**51
95%
[IMR 4350]*
<<locked>>
96%
43903
89%
**00
94%
IMR 4451 Enduron
<<locked>>
91%
43947
89%
**74
95%
IMR 4831
<<locked>>
97%
37086
75%
**38
96%
IMR 4895
<<locked>>
86%
44324
90%
**36
99%
Lovex D073.6
<<locked>>
84%
44034
89%
**03
100%
Lovex S062
<<locked>>
87%
44208
90%
**93
100%
Lovex S065
<<locked>>
94%
43990
89%
**87
96%
Lovex S070
<<locked>>
95%
44019
89%
**06
95%
Norma 201
<<locked>>
84%
43801
89%
**70
100%
Norma 202
<<locked>>
83%
43671
89%
**74
100%
Norma 203B
<<locked>>
87%
44266
90%
**29
99%
[Norma 204]*
<<locked>>
96%
44092
89%
**26
92%
Norma URP
<<locked>>
97%
43047
87%
**49
98%
Ramshot Big Game
<<locked>>
87%
44121
89%
**46
99%
Ramshot Hunter
<<locked>>
97%
42786
87%
**49
96%
ReloadSwiss RS 50
<<locked>>
87%
43627
88%
**80
95%
ReloadSwiss RS 52
<<locked>>
88%
44237
90%
**62
100%
ReloadSwiss RS 60 👍
<<locked>>
94%
43453
88%
**11
100%
ReloadSwiss RS 62
<<locked>>
97%
42801
87%
**75
97%
ReloadSwiss RS 70
<<locked>>
97%
43584
88%
**85
97%
Rottweil R 902
<<locked>>
85%
44048
89%
**67
100%
Rottweil R 903 👍
<<locked>>
91%
43859
89%
**20
99%
[Rottweil R 907]*
<<locked>>
92%
44121
89%
**77
94%
SNPE Vectan SP 11 👍
<<locked>>
90%
43642
88%
**43
99%
SNPE Vectan SP 9
<<locked>>
84%
43700
89%
**97
99%
SNPE Vectan Tubal 5000
<<locked>>
89%
44048
89%
**18
100%
SNPE Vectan Tubal 7000
<<locked>>
94%
43874
89%
**51
95%
Shooters World Long Rifle
<<locked>>
94%
43990
89%
**87
96%
Shooters World Match Rifle
<<locked>>
84%
44034
89%
**03
100%
Shooters World Precision
<<locked>>
87%
44208
90%
**93
100%
Somchem S341
<<locked>>
83%
44266
90%
**93
99%
Somchem S355 👍
<<locked>>
90%
43947
89%
**10
99%
Somchem S365
<<locked>>
97%
38885
79%
**16
99%
Vihtavuori N133
<<locked>>
84%
43627
88%
**98
100%
Vihtavuori N135
<<locked>>
92%
44222
90%
**67
100%
Vihtavuori N140
<<locked>>
86%
44077
89%
**60
100%
Vihtavuori N150
<<locked>>
96%
44266
90%
**90
100%
Vihtavuori N160
<<locked>>
94%
44063
89%
**26
98%
Vihtavuori N540
<<locked>>
86%
43424
88%
**77
100%
Vihtavuori N550
<<locked>>
94%
44150
90%
**65
98%
Vihtavuori N555
<<locked>>
97%
32082
65%
**95
95%
Winchester 6.5 StaBALL
<<locked>>
95%
44193
90%
**13
99%
Winchester 760
<<locked>>
92%
43874
89%
**62
95%
[Winchester StaBALL HD]*
<<locked>>
97%
27383
56%
**93
92%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
35273
72%
**29
96%
[Accurate 2700]*
<<locked>>
82%
34780
71%
**70
90%
Accurate 4064
<<locked>>
81%
35302
72%
**59
100%
[Accurate 4350]*
<<locked>>
81%
25295
51%
**88
91%
Alliant Reloder- TS 15.5
<<locked>>
81%
34098
69%
**36
98%
Alliant Reloder-15
<<locked>>
81%
37130
75%
**01
97%
[Alliant Reloder-16]*
<<locked>>
81%
27122
55%
**98
91%
Alliant Reloder-17
<<locked>>
81%
29428
60%
**00
95%
[Alliant Reloder-23]*
<<locked>>
89%
24134
49%
**46
90%
[Alliant Reloder-26]*
<<locked>>
93%
29124
59%
**26
90%
Baschieri & Pellagri 107
<<locked>>
81%
40234
82%
**57
97%
Hodgdon CFE223
<<locked>>
81%
35157
71%
**95
95%
Hodgdon H380
<<locked>>
81%
34563
70%
**42
95%
[Hodgdon H414]*
<<locked>>
83%
32445
66%
**29
90%
[Hodgdon H4350]*
<<locked>>
90%
34171
69%
**13
90%
[Hodgdon Hybrid 100V]*
<<locked>>
81%
24540
50%
**19
92%
[Hodgdon LVR]*
<<locked>>
81%
28964
59%
**44
91%
[Hodgdon Superperformance]*
<<locked>>
89%
35708
72%
**08
90%
Hodgdon VARGET
<<locked>>
81%
34983
71%
**23
96%
IMR 3031
<<locked>>
81%
37115
75%
**01
100%
IMR 4064
<<locked>>
81%
34360
70%
**03
96%
[IMR 4166 Enduron]*
<<locked>>
81%
34534
70%
**70
91%
[IMR 4350]*
<<locked>>
88%
33750
68%
**06
90%
[IMR 4451 Enduron]*
<<locked>>
81%
32460
66%
**54
90%
[IMR 4831]*
<<locked>>
83%
24656
50%
**46
90%
IMR 4895
<<locked>>
81%
38058
77%
**28
98%
Lovex D073.6
<<locked>>
81%
39827
81%
**38
100%
Lovex S062
<<locked>>
81%
36448
74%
**59
99%
[Lovex S065]*
<<locked>>
81%
29994
61%
**14
91%
[Lovex S070]*
<<locked>>
84%
31154
63%
**57
90%
Norma 201
<<locked>>
81%
40509
82%
**15
99%
Norma 202
<<locked>>
81%
40567
82%
**21
100%
Norma 203B
<<locked>>
81%
36376
74%
**88
97%
[Norma 204]*
<<locked>>
93%
39073
79%
**38
90%
[Norma URP]*
<<locked>>
81%
26527
54%
**95
91%
Ramshot Big Game
<<locked>>
81%
35694
72%
**95
97%
[Ramshot Hunter]*
<<locked>>
86%
30748
62%
**96
90%
[ReloadSwiss RS 50]*
<<locked>>
81%
35360
72%
**29
93%
ReloadSwiss RS 52
<<locked>>
81%
34708
70%
**92
99%
ReloadSwiss RS 60
<<locked>>
81%
28819
58%
**90
95%
[ReloadSwiss RS 62]*
<<locked>>
82%
26484
54%
**18
90%
[ReloadSwiss RS 70]*
<<locked>>
85%
29965
61%
**90
90%
Rottweil R 902
<<locked>>
81%
38435
78%
**72
99%
Rottweil R 903
<<locked>>
81%
31676
64%
**96
97%
[Rottweil R 907]*
<<locked>>
84%
33663
68%
**80
90%
SNPE Vectan SP 11
<<locked>>
81%
32822
67%
**36
96%
SNPE Vectan SP 9
<<locked>>
81%
39537
80%
**24
98%
SNPE Vectan Tubal 5000
<<locked>>
81%
34592
70%
**64
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
83%
30937
63%
**18
90%
[Shooters World Long Rifle]*
<<locked>>
81%
29994
61%
**14
91%
Shooters World Match Rifle
<<locked>>
81%
39827
81%
**38
100%
Shooters World Precision
<<locked>>
81%
36448
74%
**59
99%
Somchem S341
<<locked>>
81%
41104
83%
**44
98%
Somchem S355
<<locked>>
81%
32735
66%
**03
97%
[Somchem S365]*
<<locked>>
81%
23612
48%
**42
93%
Vihtavuori N133
<<locked>>
81%
39450
80%
**36
100%
Vihtavuori N135
<<locked>>
81%
31850
65%
**60
100%
Vihtavuori N140
<<locked>>
81%
37594
76%
**59
100%
Vihtavuori N150
<<locked>>
81%
27963
57%
**85
96%
[Vihtavuori N160]*
<<locked>>
81%
28732
58%
**24
92%
Vihtavuori N540
<<locked>>
81%
37246
76%
**75
100%
[Vihtavuori N550]*
<<locked>>
81%
28674
58%
**54
92%
[Vihtavuori N555]*
<<locked>>
88%
24511
50%
**91
90%
[Winchester 6.5 StaBALL]*
<<locked>>
81%
27978
57%
**82
94%
[Winchester 760]*
<<locked>>
83%
32445
66%
**29
90%
[Winchester StaBALL HD]*
<<locked>>
95%
25512
52%
**28
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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