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Load data for 8 mm Rem. Mag. + .323 | 160gr | Geco STAR

Recommended Powder(s): Accurate 4350, Alliant Reloder-16, Alliant Reloder-17, Norma URP, ReloadSwiss RS 62

8 mm Rem. Mag. + .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 mm Rem. Mag. load data
Case Length (l3):
2.850" | 72.4mm
Cartridge Length (C.O.L.):
<<locked>>
Seated Depth:
<<locked>>
Shank Seated Depth:
<<locked>>
Case Capacity:
98.0 Grains of Water | 6.36 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
66717 psi | 4600 bar
LID:
LID_B12308_C1155
Last updated:
2026-03-18
Recommended Twist Rate:
1:15 - 1:13

Load data for 202 loads in caliber 8 mm Rem. Mag. with .323 | 160gr | Geco STAR bullet and 101 powders such as Accurate 4350, Alliant Reloder-16, Alliant Reloder-17, Norma URP, ReloadSwiss RS 62. 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".

  • No data yet

  • 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>>
85%
59451
89%
**56
100%
ADI AR 2208
<<locked>>
91%
60031
90%
**46
100%
ADI AR 2209
<<locked>>
97%
51024
76%
**64
95%
ADI Benchmark 8208
<<locked>>
84%
59625
89%
**27
100%
Accurate 2200
<<locked>>
84%
59437
89%
**30
100%
Accurate 2700
<<locked>>
91%
60002
90%
**87
98%
Accurate 3100
<<locked>>
97%
45049
68%
**33
96%
Accurate 4064
<<locked>>
88%
59045
89%
**07
100%
Accurate 4350 👍
<<locked>>
96%
59698
89%
**12
100%
Alliant Power Pro 2000-MR
<<locked>>
87%
59480
89%
**84
100%
Alliant Reloder- TS 15.5
<<locked>>
90%
59480
89%
**66
100%
Alliant Reloder-15
<<locked>>
88%
59857
90%
**86
100%
Alliant Reloder-16 👍
<<locked>>
97%
57174
86%
**28
100%
Alliant Reloder-17 👍
<<locked>>
93%
59901
90%
**71
100%
Alliant Reloder-19
<<locked>>
97%
50285
75%
**61
95%
[Alliant Reloder-22]*
<<locked>>
97%
44614
67%
**89
93%
Alliant Reloder-23
<<locked>>
97%
41989
63%
**40
99%
[Alliant Reloder-25]*
<<locked>>
97%
37304
56%
**22
94%
Alliant Reloder-26
<<locked>>
97%
47210
71%
**27
98%
Baschieri & Pellagri 107
<<locked>>
85%
59277
89%
**69
100%
[Bofors RP15]*
<<locked>>
97%
41466
62%
**13
92%
Bofors RP3
<<locked>>
89%
59596
89%
**63
100%
[Bofors RP5]*
<<locked>>
97%
44614
67%
**89
93%
Bofors RP7
<<locked>>
94%
59640
89%
**46
98%
Hodgdon BL-C2
<<locked>>
83%
59857
90%
**66
100%
Hodgdon CFE223
<<locked>>
88%
59973
90%
**12
100%
Hodgdon H380
<<locked>>
89%
59727
90%
**66
100%
Hodgdon H414
<<locked>>
92%
59741
90%
**25
98%
Hodgdon H4350
<<locked>>
97%
55230
83%
**94
97%
Hodgdon H4895
<<locked>>
84%
59625
89%
**59
100%
Hodgdon Hybrid 100V
<<locked>>
97%
54027
81%
**97
100%
Hodgdon LVR
<<locked>>
95%
59422
89%
**05
99%
Hodgdon Superperformance
<<locked>>
95%
59437
89%
**55
98%
Hodgdon VARGET
<<locked>>
91%
60031
90%
**46
100%
Hodgdon TrailBoss
<<locked>>
97%
34722
52%
**19
100%
IMR 3031
<<locked>>
87%
59146
89%
**33
100%
IMR 4064
<<locked>>
91%
59509
89%
**36
100%
IMR 4166 Enduron
<<locked>>
92%
59988
90%
**27
98%
IMR 4350
<<locked>>
97%
58392
88%
**46
98%
IMR 4451 Enduron
<<locked>>
93%
59843
90%
**46
98%
IMR 4831
<<locked>>
97%
51851
78%
**64
99%
IMR 4895
<<locked>>
87%
59901
90%
**89
100%
[IMR 4955 Enduron]*
<<locked>>
97%
47848
72%
**36
92%
IMR 8208 XBR
<<locked>>
84%
59625
89%
**27
100%
Lovex D073.6
<<locked>>
85%
60046
90%
**33
100%
Lovex S060
<<locked>>
86%
59582
89%
**00
100%
Lovex S062
<<locked>>
88%
59553
89%
**23
100%
Lovex S065
<<locked>>
95%
59437
89%
**46
99%
Lovex S070
<<locked>>
96%
59712
89%
**69
99%
[Lovex S071]*
<<locked>>
97%
37768
57%
**72
94%
Norma 201
<<locked>>
86%
59814
90%
**27
100%
Norma 202
<<locked>>
85%
59872
90%
**17
100%
Norma 203B
<<locked>>
88%
59872
90%
**76
100%
Norma 204
<<locked>>
97%
59393
89%
**96
97%
Norma MRP
<<locked>>
97%
46760
70%
**68
96%
Norma URP 👍
<<locked>>
97%
59625
89%
**15
100%
Ramshot Big Game
<<locked>>
88%
59596
89%
**86
100%
[Ramshot Grand]*
<<locked>>
97%
49632
74%
**77
93%
Ramshot Hunter
<<locked>>
97%
57798
87%
**05
99%
[Ramshot Magnum]*
<<locked>>
97%
43410
65%
**30
93%
Ramshot TAC
<<locked>>
84%
59973
90%
**53
99%
Ramshot Wild Boar
<<locked>>
83%
59480
89%
**66
100%
ReloadSwiss RS 14
<<locked>>
96%
35244
53%
**62
100%
ReloadSwiss RS 50
<<locked>>
89%
59379
89%
**46
99%
ReloadSwiss RS 52
<<locked>>
85%
59915
90%
**45
100%
ReloadSwiss RS 60
<<locked>>
91%
59930
90%
**81
100%
ReloadSwiss RS 62 👍
<<locked>>
96%
59727
90%
**41
100%
ReloadSwiss RS 70
<<locked>>
97%
59364
89%
**81
100%
Rottweil R 902
<<locked>>
87%
59698
89%
**17
100%
Rottweil R 903
<<locked>>
91%
59654
89%
**56
100%
[Rottweil R 904]*
<<locked>>
97%
52837
79%
**45
94%
Rottweil R 905
<<locked>>
97%
49385
74%
**45
95%
Rottweil R 907
<<locked>>
94%
59640
89%
**46
98%
SNPE Vectan SP 11
<<locked>>
90%
59596
89%
**99
100%
SNPE Vectan SP 7
<<locked>>
84%
59973
90%
**43
100%
SNPE Vectan SP 9
<<locked>>
86%
59654
89%
**56
100%
SNPE Vectan Tubal 3000
<<locked>>
85%
59364
89%
**31
100%
SNPE Vectan Tubal 5000
<<locked>>
90%
59263
89%
**18
100%
SNPE Vectan Tubal 7000
<<locked>>
95%
59872
90%
**97
98%
Shooters World Long Rifle
<<locked>>
95%
59437
89%
**46
99%
Shooters World Match Rifle
<<locked>>
85%
60046
90%
**33
100%
Shooters World Precision
<<locked>>
88%
59553
89%
**23
100%
Somchem S335
<<locked>>
85%
59712
90%
**35
100%
Somchem S341
<<locked>>
84%
59799
90%
**43
100%
Somchem S355
<<locked>>
91%
59524
89%
**46
100%
[Somchem S361]*
<<locked>>
97%
54752
82%
**35
93%
Somchem S365
<<locked>>
97%
54302
81%
**66
100%
Somchem S385
<<locked>>
97%
50473
76%
**31
96%
Vihtavuori N133
<<locked>>
87%
59393
89%
**15
100%
Vihtavuori N135
<<locked>>
93%
59205
89%
**68
100%
Vihtavuori N140
<<locked>>
87%
59712
90%
**84
100%
Vihtavuori N150
<<locked>>
96%
59422
89%
**07
100%
Vihtavuori N160
<<locked>>
94%
59495
89%
**66
100%
[Vihtavuori N165]*
<<locked>>
97%
42308
63%
**54
93%
Vihtavuori N540
<<locked>>
88%
59872
90%
**14
100%
Vihtavuori N550
<<locked>>
94%
59335
89%
**09
100%
Vihtavuori N555
<<locked>>
97%
46992
70%
**38
99%
Winchester 6.5 StaBALL
<<locked>>
96%
59988
90%
**46
100%
Winchester 760
<<locked>>
92%
59741
90%
**25
98%
Winchester StaBALL HD
<<locked>>
97%
37797
57%
**53
99%
Winchester Supreme 780
<<locked>>
97%
52127
78%
**51
95%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
52939
79%
**48
100%
ADI AR 2208
<<locked>>
81%
45092
68%
**84
98%
[ADI AR 2209]*
<<locked>>
88%
38957
58%
**99
90%
ADI Benchmark 8208
<<locked>>
81%
55100
83%
**54
100%
Accurate 2200
<<locked>>
81%
54998
82%
**54
99%
[Accurate 2700]*
<<locked>>
81%
43424
65%
**92
94%
[Accurate 3100]*
<<locked>>
84%
30037
45%
**66
90%
Accurate 4064
<<locked>>
81%
48080
72%
**36
100%
Accurate 4350
<<locked>>
81%
36347
54%
**62
96%
Alliant Power Pro 2000-MR
<<locked>>
81%
49153
74%
**04
99%
Alliant Reloder- TS 15.5
<<locked>>
81%
45498
68%
**20
100%
Alliant Reloder-15
<<locked>>
81%
48602
73%
**92
99%
Alliant Reloder-16
<<locked>>
81%
35201
53%
**56
95%
Alliant Reloder-17
<<locked>>
81%
39682
59%
**90
98%
[Alliant Reloder-19]*
<<locked>>
87%
37826
57%
**79
90%
[Alliant Reloder-22]*
<<locked>>
92%
38000
57%
**25
90%
[Alliant Reloder-23]*
<<locked>>
81%
26208
39%
**80
92%
[Alliant Reloder-25]*
<<locked>>
91%
31546
47%
**57
90%
[Alliant Reloder-26]*
<<locked>>
83%
29399
44%
**31
90%
Baschieri & Pellagri 107
<<locked>>
81%
52446
79%
**64
99%
[Bofors RP15]*
<<locked>>
94%
38174
57%
**31
90%
Bofors RP3
<<locked>>
81%
45759
69%
**33
100%
[Bofors RP5]*
<<locked>>
92%
38000
57%
**25
90%
[Bofors RP7]*
<<locked>>
81%
40799
61%
**79
93%
Hodgdon BL-C2
<<locked>>
81%
55941
84%
**14
100%
Hodgdon CFE223
<<locked>>
81%
47340
71%
**02
99%
Hodgdon H380
<<locked>>
81%
46180
69%
**30
98%
[Hodgdon H414]*
<<locked>>
81%
40973
61%
**64
94%
[Hodgdon H4350]*
<<locked>>
81%
34389
52%
**44
90%
Hodgdon H4895
<<locked>>
81%
53490
80%
**64
100%
Hodgdon Hybrid 100V
<<locked>>
81%
32808
49%
**54
96%
Hodgdon LVR
<<locked>>
81%
38812
58%
**12
96%
[Hodgdon Superperformance]*
<<locked>>
81%
37246
56%
**95
91%
Hodgdon VARGET
<<locked>>
81%
44396
67%
**77
98%
Hodgdon TrailBoss
<<locked>>
81%
27659
41%
**59
100%
IMR 3031
<<locked>>
81%
49298
74%
**79
100%
IMR 4064
<<locked>>
81%
44338
66%
**67
99%
IMR 4166 Enduron
<<locked>>
81%
43584
65%
**25
95%
[IMR 4350]*
<<locked>>
81%
36100
54%
**84
91%
[IMR 4451 Enduron]*
<<locked>>
81%
41640
62%
**05
94%
[IMR 4831]*
<<locked>>
81%
31575
47%
**12
93%
IMR 4895
<<locked>>
81%
49922
75%
**22
100%
[IMR 4955 Enduron]*
<<locked>>
94%
43627
65%
**51
90%
IMR 8208 XBR
<<locked>>
81%
55100
83%
**54
100%
Lovex D073.6
<<locked>>
81%
53359
80%
**35
100%
Lovex S060
<<locked>>
81%
51924
78%
**72
100%
Lovex S062
<<locked>>
81%
47645
71%
**33
100%
Lovex S065
<<locked>>
81%
39552
59%
**59
95%
[Lovex S070]*
<<locked>>
81%
37797
57%
**36
93%
[Lovex S071]*
<<locked>>
89%
30037
45%
**66
90%
Norma 201
<<locked>>
81%
52098
78%
**02
100%
Norma 202
<<locked>>
81%
52489
79%
**02
100%
Norma 203B
<<locked>>
81%
47790
72%
**76
99%
[Norma 204]*
<<locked>>
84%
38522
58%
**79
90%
[Norma MRP]*
<<locked>>
87%
34621
52%
**62
90%
Norma URP
<<locked>>
81%
35969
54%
**53
95%
Ramshot Big Game
<<locked>>
81%
47732
72%
**92
99%
[Ramshot Grand]*
<<locked>>
93%
43468
65%
**40
90%
[Ramshot Hunter]*
<<locked>>
81%
34925
52%
**23
92%
[Ramshot Magnum]*
<<locked>>
93%
37420
56%
**82
90%
Ramshot TAC
<<locked>>
81%
55085
83%
**71
99%
Ramshot Wild Boar
<<locked>>
81%
54839
82%
**91
100%
ReloadSwiss RS 14
<<locked>>
81%
28210
42%
**01
100%
ReloadSwiss RS 50
<<locked>>
81%
46108
69%
**07
96%
ReloadSwiss RS 52
<<locked>>
81%
51938
78%
**10
99%
ReloadSwiss RS 60
<<locked>>
81%
42148
63%
**72
100%
ReloadSwiss RS 62
<<locked>>
81%
35462
53%
**56
95%
[ReloadSwiss RS 70]*
<<locked>>
81%
35027
52%
**53
93%
Rottweil R 902
<<locked>>
81%
49705
74%
**49
100%
Rottweil R 903
<<locked>>
81%
43207
65%
**67
99%
[Rottweil R 904]*
<<locked>>
89%
41785
63%
**25
90%
[Rottweil R 905]*
<<locked>>
88%
37072
56%
**69
90%
[Rottweil R 907]*
<<locked>>
81%
40799
61%
**79
93%
SNPE Vectan SP 11
<<locked>>
81%
43845
66%
**13
99%
SNPE Vectan SP 7
<<locked>>
81%
53998
81%
**45
99%
SNPE Vectan SP 9
<<locked>>
81%
51547
77%
**25
100%
SNPE Vectan Tubal 3000
<<locked>>
81%
52678
79%
**33
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
44440
67%
**89
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
81%
38798
58%
**94
93%
Shooters World Long Rifle
<<locked>>
81%
39552
59%
**59
95%
Shooters World Match Rifle
<<locked>>
81%
53359
80%
**35
100%
Shooters World Precision
<<locked>>
81%
47645
71%
**33
100%
Somchem S335
<<locked>>
81%
52489
79%
**36
100%
Somchem S341
<<locked>>
81%
53316
80%
**35
100%
Somchem S355
<<locked>>
81%
43584
65%
**74
99%
[Somchem S361]*
<<locked>>
91%
44817
67%
**51
90%
Somchem S365
<<locked>>
81%
32343
48%
**00
98%
[Somchem S385]*
<<locked>>
85%
34548
52%
**77
90%
Vihtavuori N133
<<locked>>
81%
49850
75%
**71
100%
Vihtavuori N135
<<locked>>
81%
42380
64%
**92
100%
Vihtavuori N140
<<locked>>
81%
48950
73%
**23
100%
Vihtavuori N150
<<locked>>
81%
37289
56%
**03
99%
Vihtavuori N160
<<locked>>
81%
38580
58%
**72
96%
[Vihtavuori N165]*
<<locked>>
92%
36143
54%
**00
90%
Vihtavuori N540
<<locked>>
81%
48675
73%
**40
100%
Vihtavuori N550
<<locked>>
81%
39494
59%
**25
96%
[Vihtavuori N555]*
<<locked>>
81%
28442
43%
**79
92%
Winchester 6.5 StaBALL
<<locked>>
81%
36622
55%
**17
98%
[Winchester 760]*
<<locked>>
81%
40973
61%
**64
94%
[Winchester StaBALL HD]*
<<locked>>
84%
25396
38%
**03
90%
[Winchester Supreme 780]*
<<locked>>
88%
38348
57%
**56
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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