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Load data for 8 x 75 RS + .323 | 160gr | Geco STAR

Recommended Powder(s): Alliant Reloder-17, ReloadSwiss RS 60, Rottweil R 903, SNPE Vectan SP 11, Somchem S355

8 x 75 RS + .323 | 160gr | Geco STAR

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.323 | 160gr | Geco STAR
Manufacturer SKU:
2426911
Bullet Weight:
160gr | 10.4g
Bullet Diameter:
0.323" | 8.20mm
Bullet Length:
<<locked>>
Caliber:
8 x 75 RS load data
Case Length (l3):
2.937" | 74.6mm
Cartridge Length (C.O.L.):
<<locked>>
Seated Depth:
<<locked>>
Shank Seated Depth:
<<locked>>
Case Capacity:
81.0 Grains of Water | 5.26 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
55114 psi | 3800 bar
LID:
LID_B12308_C1196
Last updated:
2026-03-18
Recommended Twist Rate:
1:15 - 1:12

Load data for 152 loads in caliber 8 x 75 RS with .323 | 160gr | Geco STAR bullet and 76 powders such as Alliant Reloder-17, ReloadSwiss RS 60, Rottweil R 903, SNPE Vectan SP 11, Somchem S355. 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>>
84%
49066
89%
**94
99%
ADI AR 2208
<<locked>>
89%
48921
89%
**71
98%
[Accurate 2700]*
<<locked>>
90%
48892
89%
**92
93%
Accurate 4064
<<locked>>
88%
49327
89%
**87
100%
Accurate 4350
<<locked>>
97%
49313
89%
**56
98%
Alliant Power Pro 2000-MR
<<locked>>
87%
49284
89%
**09
98%
Alliant Reloder- TS 15.5
<<locked>>
89%
49153
89%
**97
99%
Alliant Reloder-15
<<locked>>
87%
49023
89%
**10
98%
Alliant Reloder-16
<<locked>>
97%
47790
87%
**49
98%
Alliant Reloder-17 👍
<<locked>>
94%
49501
90%
**12
99%
Alliant Reloder-23
<<locked>>
97%
34476
63%
**67
95%
[Alliant Reloder-26]*
<<locked>>
97%
38218
69%
**02
93%
Baschieri & Pellagri 107
<<locked>>
84%
49603
90%
**13
98%
Bofors RP3
<<locked>>
89%
49211
89%
**13
99%
[Bofors RP7]*
<<locked>>
93%
48965
89%
**51
94%
Hodgdon CFE223
<<locked>>
88%
49559
90%
**49
98%
Hodgdon H380
<<locked>>
88%
49211
89%
**94
97%
Hodgdon H414
<<locked>>
93%
49588
90%
**56
95%
[Hodgdon H4350]*
<<locked>>
97%
46122
84%
**15
93%
Hodgdon H4895
<<locked>>
84%
49472
90%
**97
99%
Hodgdon Hybrid 100V
<<locked>>
97%
44614
81%
**41
98%
Hodgdon LVR
<<locked>>
94%
49255
89%
**43
97%
[Hodgdon Superperformance]*
<<locked>>
95%
49327
89%
**56
94%
Hodgdon VARGET
<<locked>>
90%
49284
89%
**74
98%
Hodgdon TrailBoss
<<locked>>
96%
33562
61%
**01
100%
IMR 3031
<<locked>>
86%
48718
88%
**97
100%
IMR 4064
<<locked>>
90%
49284
89%
**64
98%
IMR 4166 Enduron
<<locked>>
90%
49081
89%
**28
95%
[IMR 4350]*
<<locked>>
97%
49023
89%
**77
94%
[IMR 4451 Enduron]*
<<locked>>
92%
49168
89%
**54
94%
IMR 4831
<<locked>>
97%
41437
75%
**85
96%
IMR 4895
<<locked>>
86%
49545
90%
**23
99%
Lovex D073.6
<<locked>>
84%
49197
89%
**84
100%
Lovex S060
<<locked>>
84%
48936
89%
**25
99%
Lovex S062
<<locked>>
87%
48994
89%
**67
99%
Lovex S065
<<locked>>
94%
48921
89%
**67
96%
Lovex S070
<<locked>>
96%
49139
89%
**84
95%
Norma 201
<<locked>>
84%
49110
89%
**58
99%
Norma 202
<<locked>>
84%
49327
89%
**71
100%
Norma 203B
<<locked>>
87%
48921
89%
**04
99%
[Norma 204]*
<<locked>>
97%
49429
90%
**07
92%
Norma URP
<<locked>>
97%
48718
88%
**46
97%
Ramshot Big Game
<<locked>>
87%
49066
89%
**23
98%
Ramshot Hunter
<<locked>>
97%
47645
86%
**23
95%
ReloadSwiss RS 14
<<locked>>
96%
34374
62%
**54
100%
ReloadSwiss RS 50
<<locked>>
88%
49443
90%
**67
95%
ReloadSwiss RS 52
<<locked>>
85%
49516
90%
**79
98%
ReloadSwiss RS 60 👍
<<locked>>
91%
49197
89%
**22
100%
ReloadSwiss RS 62
<<locked>>
97%
48791
89%
**69
97%
ReloadSwiss RS 70
<<locked>>
97%
48979
89%
**82
97%
Rottweil R 902
<<locked>>
86%
49574
90%
**58
99%
Rottweil R 903 👍
<<locked>>
91%
49530
90%
**10
99%
[Rottweil R 907]*
<<locked>>
93%
48965
89%
**51
94%
SNPE Vectan SP 11 👍
<<locked>>
91%
49371
90%
**43
99%
SNPE Vectan SP 7
<<locked>>
83%
49356
90%
**74
97%
SNPE Vectan SP 9
<<locked>>
85%
49458
90%
**90
99%
SNPE Vectan Tubal 3000
<<locked>>
83%
49443
90%
**92
100%
SNPE Vectan Tubal 5000
<<locked>>
90%
49356
90%
**92
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
94%
49081
89%
**08
94%
Shooters World Long Rifle
<<locked>>
94%
48921
89%
**67
96%
Shooters World Match Rifle
<<locked>>
84%
49197
89%
**84
100%
Shooters World Precision
<<locked>>
87%
48994
89%
**67
99%
Somchem S335
<<locked>>
84%
49284
89%
**95
100%
Somchem S341
<<locked>>
84%
49182
89%
**74
99%
Somchem S355 👍
<<locked>>
91%
48863
89%
**90
99%
Somchem S365
<<locked>>
97%
43700
79%
**87
99%
Vihtavuori N133
<<locked>>
85%
49139
89%
**82
100%
Vihtavuori N135
<<locked>>
92%
49255
89%
**44
100%
Vihtavuori N140
<<locked>>
86%
49342
90%
**41
100%
Vihtavuori N150
<<locked>>
96%
49472
90%
**71
100%
Vihtavuori N160
<<locked>>
94%
49110
89%
**04
97%
Vihtavuori N540
<<locked>>
87%
49530
90%
**71
100%
Vihtavuori N550
<<locked>>
94%
49559
90%
**49
97%
Vihtavuori N555
<<locked>>
97%
37086
67%
**53
95%
Winchester 6.5 StaBALL
<<locked>>
95%
49095
89%
**81
99%
Winchester 760
<<locked>>
93%
49588
90%
**56
95%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
45339
82%
**22
98%
ADI AR 2208
<<locked>>
81%
38740
70%
**54
95%
[Accurate 2700]*
<<locked>>
83%
39320
71%
**05
90%
Accurate 4064
<<locked>>
81%
39929
72%
**07
100%
[Accurate 4350]*
<<locked>>
81%
29008
53%
**90
90%
Alliant Power Pro 2000-MR
<<locked>>
81%
41292
75%
**35
96%
Alliant Reloder- TS 15.5
<<locked>>
81%
38087
69%
**77
97%
Alliant Reloder-15
<<locked>>
81%
40799
74%
**43
96%
[Alliant Reloder-16]*
<<locked>>
82%
30806
56%
**26
90%
[Alliant Reloder-17]*
<<locked>>
81%
33083
60%
**28
94%
[Alliant Reloder-23]*
<<locked>>
89%
27862
51%
**51
90%
[Alliant Reloder-26]*
<<locked>>
93%
33837
61%
**80
90%
Baschieri & Pellagri 107
<<locked>>
81%
44295
80%
**08
97%
Bofors RP3
<<locked>>
81%
38072
69%
**90
97%
[Bofors RP7]*
<<locked>>
85%
38856
71%
**35
90%
Hodgdon CFE223
<<locked>>
81%
39291
71%
**36
95%
[Hodgdon H380]*
<<locked>>
81%
38798
70%
**80
94%
[Hodgdon H414]*
<<locked>>
84%
37086
67%
**80
90%
[Hodgdon H4350]*
<<locked>>
91%
39160
71%
**67
90%
Hodgdon H4895
<<locked>>
81%
45701
83%
**25
98%
[Hodgdon Hybrid 100V]*
<<locked>>
81%
27586
50%
**08
91%
[Hodgdon LVR]*
<<locked>>
81%
32169
58%
**52
90%
[Hodgdon Superperformance]*
<<locked>>
89%
40654
74%
**76
90%
Hodgdon VARGET
<<locked>>
81%
38276
69%
**44
95%
Hodgdon TrailBoss
<<locked>>
81%
27035
49%
**60
100%
IMR 3031
<<locked>>
81%
41568
75%
**66
100%
IMR 4064
<<locked>>
81%
37623
68%
**28
95%
[IMR 4166 Enduron]*
<<locked>>
81%
37739
68%
**89
91%
[IMR 4350]*
<<locked>>
89%
38812
70%
**64
90%
[IMR 4451 Enduron]*
<<locked>>
82%
37304
68%
**05
90%
[IMR 4831]*
<<locked>>
85%
29196
53%
**77
90%
IMR 4895
<<locked>>
81%
41872
76%
**76
97%
Lovex D073.6
<<locked>>
81%
44382
81%
**02
100%
Lovex S060
<<locked>>
81%
45252
82%
**46
98%
Lovex S062
<<locked>>
81%
40553
74%
**97
98%
[Lovex S065]*
<<locked>>
81%
33460
61%
**16
90%
[Lovex S070]*
<<locked>>
85%
36274
66%
**08
90%
Norma 201
<<locked>>
81%
44512
81%
**69
99%
Norma 202
<<locked>>
81%
44483
81%
**85
100%
Norma 203B
<<locked>>
81%
40350
73%
**36
97%
[Norma 204]*
<<locked>>
93%
44005
80%
**05
90%
[Norma URP]*
<<locked>>
81%
29704
54%
**93
90%
Ramshot Big Game
<<locked>>
81%
39740
72%
**40
96%
[Ramshot Hunter]*
<<locked>>
87%
35186
64%
**38
90%
ReloadSwiss RS 14
<<locked>>
81%
27296
50%
**96
100%
[ReloadSwiss RS 50]*
<<locked>>
81%
39262
71%
**67
92%
ReloadSwiss RS 52
<<locked>>
81%
42641
77%
**48
97%
ReloadSwiss RS 60
<<locked>>
81%
35172
64%
**03
98%
[ReloadSwiss RS 62]*
<<locked>>
83%
30603
56%
**43
90%
[ReloadSwiss RS 70]*
<<locked>>
86%
34156
62%
**25
90%
Rottweil R 902
<<locked>>
81%
42453
77%
**17
98%
Rottweil R 903
<<locked>>
81%
35665
65%
**25
96%
[Rottweil R 907]*
<<locked>>
85%
38856
71%
**35
90%
SNPE Vectan SP 11
<<locked>>
81%
36419
66%
**64
95%
SNPE Vectan SP 7
<<locked>>
81%
45469
83%
**95
96%
SNPE Vectan SP 9
<<locked>>
81%
43772
79%
**82
98%
SNPE Vectan Tubal 3000
<<locked>>
81%
45948
83%
**33
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
38261
69%
**89
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
85%
36201
66%
**52
90%
[Shooters World Long Rifle]*
<<locked>>
81%
33460
61%
**16
90%
Shooters World Match Rifle
<<locked>>
81%
44382
81%
**02
100%
Shooters World Precision
<<locked>>
81%
40553
74%
**97
98%
Somchem S335
<<locked>>
81%
45411
82%
**36
100%
Somchem S341
<<locked>>
81%
45252
82%
**02
98%
Somchem S355
<<locked>>
81%
36608
66%
**35
96%
[Somchem S365]*
<<locked>>
81%
26760
49%
**34
92%
Vihtavuori N133
<<locked>>
81%
43207
78%
**80
100%
Vihtavuori N135
<<locked>>
81%
35578
65%
**89
100%
Vihtavuori N140
<<locked>>
81%
41582
75%
**07
100%
Vihtavuori N150
<<locked>>
81%
31401
57%
**80
96%
[Vihtavuori N160]*
<<locked>>
81%
32256
59%
**33
91%
Vihtavuori N540
<<locked>>
81%
41394
75%
**23
100%
[Vihtavuori N550]*
<<locked>>
81%
32634
59%
**79
92%
[Vihtavuori N555]*
<<locked>>
88%
28413
52%
**00
90%
[Winchester 6.5 StaBALL]*
<<locked>>
81%
31198
57%
**80
94%
[Winchester 760]*
<<locked>>
84%
37086
67%
**80
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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