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Load data for 8 x 75 RS + .323 | 220gr | Sierra SBT GameKing

Recommended Powder(s): Accurate 4350, Alliant Reloder-16, Norma URP, ReloadSwiss RS 62, ReloadSwiss RS 70

8 x 75 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 75 RS load data
Case Length (l3):
2.937" | 74.6mm
Cartridge Length (C.O.L.):
3.722" | 94.5mm
Seated Depth:
0.605" | 15.4mm
Shank Seated Depth:
0.405" | 10.3mm
Case Capacity:
81.0 Grains of Water | 5.26 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
55114 psi | 3800 bar
LID:
LID_B5923_C1196
Last updated:
2025-01-01
Recommended Twist Rate:
1:13 - 1:11

Load data for 138 loads in caliber 8 x 75 RS with .323 | 220gr | Sierra SBT GameKing bullet and 69 powders such as Accurate 4350, Alliant Reloder-16, Norma URP, ReloadSwiss RS 62, ReloadSwiss RS 70. 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>>
85%
49501
90%
**74
100%
ADI AR 2209
<<locked>>
97%
48791
89%
**43
96%
[ADI AR 2213]*
<<locked>>
97%
43845
80%
**74
93%
Accurate 2700
<<locked>>
86%
49284
89%
**31
97%
Accurate 3100
<<locked>>
97%
41901
76%
**15
98%
Accurate 4064
<<locked>>
83%
49139
89%
**57
100%
Accurate 4350 👍
<<locked>>
92%
49443
90%
**46
100%
Alliant Reloder- TS 15.5
<<locked>>
85%
49342
90%
**93
100%
Alliant Reloder-16 👍
<<locked>>
93%
49197
89%
**75
100%
Alliant Reloder-17
<<locked>>
89%
49588
90%
**95
100%
Alliant Reloder-19
<<locked>>
97%
48269
88%
**36
96%
Alliant Reloder-22
<<locked>>
97%
42279
77%
**74
95%
Alliant Reloder-23
<<locked>>
97%
39914
72%
**41
100%
Alliant Reloder-25
<<locked>>
97%
35041
64%
**39
96%
Alliant Reloder-26
<<locked>>
97%
44411
81%
**92
99%
Hodgdon CFE223
<<locked>>
83%
48979
89%
**33
100%
Hodgdon H380
<<locked>>
84%
49356
90%
**00
99%
Hodgdon H414
<<locked>>
87%
48907
89%
**49
98%
Hodgdon H4350
<<locked>>
94%
48689
88%
**87
97%
[Hodgdon H4831 SC]*
<<locked>>
97%
45818
83%
**67
93%
Hodgdon Hybrid 100V
<<locked>>
95%
48791
89%
**10
100%
Hodgdon LVR
<<locked>>
90%
48921
89%
**33
99%
Hodgdon Superperformance
<<locked>>
91%
49327
89%
**82
98%
Hodgdon VARGET
<<locked>>
85%
49501
90%
**74
100%
IMR 4064
<<locked>>
86%
49313
89%
**61
100%
IMR 4166 Enduron
<<locked>>
86%
49153
89%
**48
98%
IMR 4350
<<locked>>
92%
49153
89%
**90
98%
IMR 4451 Enduron
<<locked>>
88%
49574
90%
**77
98%
IMR 4831
<<locked>>
97%
48791
89%
**20
100%
[IMR 4955 Enduron]*
<<locked>>
97%
45948
83%
**34
93%
[IMR 7828 SSC]*
<<locked>>
97%
44454
81%
**97
93%
Lovex S062
<<locked>>
83%
49458
90%
**61
100%
Lovex S065
<<locked>>
90%
49443
90%
**84
99%
Lovex S070
<<locked>>
91%
49400
90%
**03
98%
Lovex S071
<<locked>>
97%
35273
64%
**83
96%
Norma 204
<<locked>>
92%
49023
89%
**33
96%
Norma MRP
<<locked>>
97%
44295
80%
**49
97%
Norma URP 👍
<<locked>>
92%
49342
90%
**46
100%
Ramshot Big Game
<<locked>>
83%
49588
90%
**20
100%
Ramshot Hunter
<<locked>>
93%
49226
89%
**59
99%
Ramshot Magnum
<<locked>>
97%
40756
74%
**25
95%
ReloadSwiss RS 50
<<locked>>
84%
49414
90%
**80
99%
ReloadSwiss RS 52
<<locked>>
83%
49008
89%
**16
100%
ReloadSwiss RS 60
<<locked>>
90%
49603
90%
**18
100%
ReloadSwiss RS 62 👍
<<locked>>
92%
48979
89%
**69
100%
ReloadSwiss RS 70 👍
<<locked>>
93%
49385
90%
**05
100%
Rottweil R 903
<<locked>>
86%
48936
89%
**90
100%
Rottweil R 904
<<locked>>
96%
49226
89%
**00
95%
Rottweil R 905
<<locked>>
97%
46775
85%
**13
96%
Rottweil R 907
<<locked>>
88%
48834
89%
**64
97%
SNPE Vectan SP 11
<<locked>>
86%
48820
89%
**20
100%
SNPE Vectan Tubal 5000
<<locked>>
85%
48820
89%
**72
100%
SNPE Vectan Tubal 7000
<<locked>>
90%
48776
89%
**34
98%
Shooters World Long Rifle
<<locked>>
90%
49443
90%
**84
99%
Shooters World Precision
<<locked>>
83%
49458
90%
**61
100%
Somchem S355
<<locked>>
86%
49298
89%
**84
100%
[Somchem S361]*
<<locked>>
95%
49414
90%
**80
94%
Somchem S365
<<locked>>
95%
49037
89%
**72
100%
Somchem S385
<<locked>>
97%
47674
86%
**03
97%
Vihtavuori N135
<<locked>>
87%
49240
89%
**15
100%
Vihtavuori N150
<<locked>>
92%
49385
90%
**54
100%
Vihtavuori N160
<<locked>>
89%
48921
89%
**03
100%
Vihtavuori N165
<<locked>>
97%
39581
72%
**56
95%
Vihtavuori N550
<<locked>>
89%
48863
89%
**36
100%
Vihtavuori N555
<<locked>>
97%
44338
80%
**13
100%
[Vihtavuori N560]*
<<locked>>
97%
42467
77%
**87
92%
Winchester 6.5 StaBALL
<<locked>>
91%
49298
89%
**93
100%
Winchester 760
<<locked>>
87%
48907
89%
**49
98%
Winchester StaBALL HD
<<locked>>
97%
35752
65%
**61
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
43700
79%
**82
99%
[ADI AR 2209]*
<<locked>>
84%
32706
59%
**15
90%
[ADI AR 2213]*
<<locked>>
92%
37478
68%
**43
90%
Accurate 2700
<<locked>>
81%
41771
76%
**06
95%
[Accurate 3100]*
<<locked>>
81%
24976
45%
**34
90%
Accurate 4064
<<locked>>
81%
45498
83%
**02
100%
Accurate 4350
<<locked>>
81%
33837
61%
**64
97%
Alliant Reloder- TS 15.5
<<locked>>
81%
43642
79%
**02
100%
Alliant Reloder-16
<<locked>>
81%
33997
62%
**80
97%
Alliant Reloder-17
<<locked>>
81%
37942
69%
**92
99%
[Alliant Reloder-19]*
<<locked>>
84%
32169
58%
**08
90%
[Alliant Reloder-22]*
<<locked>>
88%
32082
58%
**47
90%
[Alliant Reloder-23]*
<<locked>>
81%
24656
45%
**54
94%
[Alliant Reloder-25]*
<<locked>>
88%
26861
49%
**16
90%
[Alliant Reloder-26]*
<<locked>>
81%
25947
47%
**36
91%
Hodgdon CFE223
<<locked>>
81%
45397
82%
**80
99%
Hodgdon H380
<<locked>>
81%
44425
81%
**21
99%
Hodgdon H414
<<locked>>
81%
39349
71%
**79
96%
[Hodgdon H4350]*
<<locked>>
81%
32822
60%
**78
92%
[Hodgdon H4831 SC]*
<<locked>>
91%
38101
69%
**23
90%
Hodgdon Hybrid 100V
<<locked>>
81%
31183
57%
**85
98%
Hodgdon LVR
<<locked>>
81%
36883
67%
**13
97%
[Hodgdon Superperformance]*
<<locked>>
81%
35288
64%
**10
93%
Hodgdon VARGET
<<locked>>
81%
43091
78%
**65
99%
IMR 4064
<<locked>>
81%
42801
78%
**56
99%
IMR 4166 Enduron
<<locked>>
81%
42235
77%
**29
97%
[IMR 4350]*
<<locked>>
81%
34679
63%
**24
93%
IMR 4451 Enduron
<<locked>>
81%
40219
73%
**13
96%
IMR 4831
<<locked>>
81%
29820
54%
**56
95%
[IMR 4955 Enduron]*
<<locked>>
90%
37202
67%
**74
90%
[IMR 7828 SSC]*
<<locked>>
91%
37434
68%
**56
90%
Lovex S062
<<locked>>
81%
45716
83%
**08
100%
Lovex S065
<<locked>>
81%
37753
68%
**74
97%
Lovex S070
<<locked>>
81%
35926
65%
**54
95%
[Lovex S071]*
<<locked>>
86%
24976
45%
**34
90%
[Norma 204]*
<<locked>>
81%
33663
61%
**31
91%
[Norma MRP]*
<<locked>>
84%
29283
53%
**05
90%
Norma URP
<<locked>>
81%
34171
62%
**70
97%
Ramshot Big Game
<<locked>>
81%
45948
83%
**67
100%
[Ramshot Hunter]*
<<locked>>
81%
33127
60%
**54
94%
[Ramshot Magnum]*
<<locked>>
90%
32024
58%
**28
90%
ReloadSwiss RS 50
<<locked>>
81%
44585
81%
**98
98%
ReloadSwiss RS 52
<<locked>>
81%
45281
82%
**57
100%
ReloadSwiss RS 60
<<locked>>
81%
36796
67%
**88
100%
ReloadSwiss RS 62
<<locked>>
81%
33547
61%
**83
96%
ReloadSwiss RS 70
<<locked>>
81%
33199
60%
**83
95%
Rottweil R 903
<<locked>>
81%
41075
75%
**62
100%
[Rottweil R 904]*
<<locked>>
85%
34969
63%
**31
90%
[Rottweil R 905]*
<<locked>>
84%
31517
57%
**05
90%
Rottweil R 907
<<locked>>
81%
38928
71%
**87
95%
SNPE Vectan SP 11
<<locked>>
81%
42047
76%
**02
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
42975
78%
**87
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
36912
67%
**24
95%
Shooters World Long Rifle
<<locked>>
81%
37753
68%
**74
97%
Shooters World Precision
<<locked>>
81%
45716
83%
**08
100%
Somchem S355
<<locked>>
81%
41626
76%
**59
100%
[Somchem S361]*
<<locked>>
87%
37739
68%
**67
90%
Somchem S365
<<locked>>
81%
30719
56%
**28
99%
[Somchem S385]*
<<locked>>
81%
29008
53%
**26
90%
Vihtavuori N135
<<locked>>
81%
40596
74%
**83
100%
Vihtavuori N150
<<locked>>
81%
35462
64%
**21
100%
Vihtavuori N160
<<locked>>
81%
36854
67%
**93
98%
[Vihtavuori N165]*
<<locked>>
88%
30676
56%
**52
90%
Vihtavuori N550
<<locked>>
81%
37652
68%
**39
98%
[Vihtavuori N555]*
<<locked>>
81%
26469
48%
**23
94%
[Vihtavuori N560]*
<<locked>>
93%
37739
68%
**85
90%
Winchester 6.5 StaBALL
<<locked>>
81%
34998
63%
**47
99%
Winchester 760
<<locked>>
81%
39349
71%
**79
96%
[Winchester StaBALL HD]*
<<locked>>
81%
21538
39%
**95
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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