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Load data for 8 x 68 S + .323 | 180gr | Hornady GMX

Recommended Powder(s):

8 x 68 S + .323 | 180gr | Hornady GMX

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.323 | 180gr | Hornady GMX
Manufacturer SKU:
3234
Bullet Weight:
180gr | 11.7g
Bullet Diameter:
0.323" | 8.20mm
Bullet Length:
<<locked>>
Caliber:
8 x 68 S load data
Case Length (l3):
2.657" | 67.5mm
Cartridge Length (C.O.L.):
<<locked>>
Seated Depth:
<<locked>>
Shank Seated Depth:
<<locked>>
Case Capacity:
86.0 Grains of Water | 5.58 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
63817 psi | 4400 bar
LID:
LID_B2739_C1192
Last updated:
2026-01-21
Recommended Twist Rate:
1:12 - 1:10

Load data for 196 loads in caliber 8 x 68 S with .323 | 180gr | Hornady GMX bullet and 98 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".

  • 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>>
88%
57043
89%
**81
100%
ADI AR 2208
<<locked>>
94%
56956
89%
**61
100%
[ADI AR 2209]*
<<locked>>
97%
43439
68%
**90
92%
Accurate 2015
<<locked>>
84%
57246
90%
**69
100%
Accurate 2200
<<locked>>
86%
57072
89%
**48
99%
Accurate 2495
<<locked>>
87%
57174
90%
**28
100%
Accurate 2520
<<locked>>
86%
57217
90%
**58
100%
Accurate 2700
<<locked>>
94%
56855
89%
**95
97%
[Accurate 3100]*
<<locked>>
97%
35650
56%
**30
93%
Accurate 4064
<<locked>>
93%
57348
90%
**61
100%
Accurate 4350
<<locked>>
97%
50343
79%
**38
99%
Alliant AR-Comp
<<locked>>
86%
57392
90%
**12
100%
Alliant Power Pro 2000-MR 👍
<<locked>>
90%
57217
90%
**05
100%
Alliant Reloder- TS 15.5
<<locked>>
94%
57406
90%
**90
100%
Alliant Reloder-15
<<locked>>
91%
57058
89%
**97
100%
Alliant Reloder-16
<<locked>>
97%
48704
76%
**38
99%
Alliant Reloder-17 👍
<<locked>>
97%
56942
89%
**95
100%
[Alliant Reloder-19]*
<<locked>>
97%
42583
67%
**74
92%
Alliant Reloder-23
<<locked>>
97%
34780
55%
**66
97%
Alliant Reloder-26
<<locked>>
97%
37927
59%
**94
95%
Baschieri & Pellagri 107
<<locked>>
88%
56942
89%
**94
100%
Bofors RP3
<<locked>>
93%
56927
89%
**87
100%
Bofors RP7
<<locked>>
97%
56550
89%
**44
97%
Hodgdon BL-C2
<<locked>>
86%
56637
89%
**87
100%
Hodgdon Benchmark
<<locked>>
86%
57290
90%
**08
100%
Hodgdon CFE223 👍
<<locked>>
92%
57363
90%
**40
100%
Hodgdon H322
<<locked>>
84%
56594
89%
**22
100%
Hodgdon H380
<<locked>>
92%
57014
89%
**84
99%
Hodgdon H414
<<locked>>
96%
57072
89%
**49
98%
Hodgdon H4350
<<locked>>
97%
47181
74%
**17
95%
Hodgdon Hybrid 100V
<<locked>>
97%
45339
71%
**20
99%
Hodgdon LVR
<<locked>>
97%
54157
85%
**84
99%
Hodgdon Superperformance
<<locked>>
97%
53621
84%
**07
97%
Hodgdon VARGET
<<locked>>
94%
56739
89%
**61
100%
Hodgdon TrailBoss
<<locked>>
96%
33736
53%
**03
100%
IMR 3031
<<locked>>
91%
57246
90%
**67
100%
IMR 4064
<<locked>>
94%
57145
90%
**54
100%
IMR 4166 Enduron
<<locked>>
95%
56898
89%
**25
98%
IMR 4350
<<locked>>
97%
50125
79%
**69
96%
IMR 4451 Enduron
<<locked>>
96%
57217
90%
**64
98%
IMR 4831
<<locked>>
97%
42873
67%
**87
98%
IMR 4895
<<locked>>
90%
56826
89%
**00
100%
IMR 8208 XBR
<<locked>>
87%
56869
89%
**41
100%
Lovex D073.6
<<locked>>
88%
57217
90%
**58
100%
Lovex S060
<<locked>>
88%
57101
89%
**15
100%
Lovex S062
<<locked>>
92%
57290
90%
**58
100%
Lovex S065
<<locked>>
97%
54520
85%
**22
98%
Lovex S070
<<locked>>
97%
52228
82%
**08
97%
Norma 201
<<locked>>
89%
57029
89%
**38
100%
Norma 202
<<locked>>
88%
56927
89%
**38
100%
Norma 203B
<<locked>>
92%
57217
90%
**04
100%
[Norma 204]*
<<locked>>
97%
49995
78%
**02
94%
[Norma MRP]*
<<locked>>
97%
38435
60%
**61
92%
Norma URP
<<locked>>
97%
49806
78%
**31
99%
Ramshot Big Game 👍
<<locked>>
91%
56739
89%
**13
100%
Ramshot Hunter
<<locked>>
97%
48312
76%
**08
97%
Ramshot TAC
<<locked>>
87%
57246
90%
**64
99%
Ramshot Wild Boar
<<locked>>
87%
57188
90%
**84
100%
Ramshot X-Terminator
<<locked>>
84%
57290
90%
**38
100%
ReloadSwiss RS 14
<<locked>>
96%
33953
53%
**36
100%
ReloadSwiss RS 50
<<locked>>
92%
56739
89%
**61
98%
ReloadSwiss RS 52
<<locked>>
89%
57290
90%
**56
100%
ReloadSwiss RS 60
<<locked>>
95%
57159
90%
**99
100%
ReloadSwiss RS 62
<<locked>>
97%
49501
78%
**51
99%
ReloadSwiss RS 70
<<locked>>
97%
49792
78%
**77
98%
Rottweil R 901
<<locked>>
86%
56710
89%
**02
100%
Rottweil R 902
<<locked>>
91%
57377
90%
**35
100%
Rottweil R 903
<<locked>>
95%
56623
89%
**77
100%
Rottweil R 907
<<locked>>
97%
56550
89%
**44
97%
SNPE Vectan SP 11 👍
<<locked>>
94%
56550
89%
**13
100%
SNPE Vectan SP 7
<<locked>>
87%
57421
90%
**61
99%
SNPE Vectan SP 9
<<locked>>
89%
57290
90%
**77
100%
SNPE Vectan Tubal 3000
<<locked>>
88%
57217
90%
**59
100%
SNPE Vectan Tubal 5000
<<locked>>
94%
56884
89%
**56
100%
SNPE Vectan Tubal 7000
<<locked>>
97%
54737
86%
**72
97%
Shooters World Long Rifle
<<locked>>
97%
54520
85%
**22
98%
Shooters World Match Rifle
<<locked>>
88%
57217
90%
**58
100%
Shooters World Precision
<<locked>>
92%
57290
90%
**58
100%
Somchem S321
<<locked>>
84%
56826
89%
**51
100%
Somchem S335
<<locked>>
88%
56956
89%
**66
100%
Somchem S341
<<locked>>
88%
57203
90%
**54
100%
Somchem S355
<<locked>>
95%
56652
89%
**67
100%
Somchem S365
<<locked>>
97%
44527
70%
**82
100%
[Somchem S385]*
<<locked>>
97%
41133
64%
**41
93%
Vihtavuori N130
<<locked>>
84%
56463
88%
**20
100%
Vihtavuori N133
<<locked>>
90%
57232
90%
**46
100%
Vihtavuori N135
<<locked>>
97%
57203
90%
**02
100%
Vihtavuori N140
<<locked>>
91%
57363
90%
**18
100%
Vihtavuori N150
<<locked>>
97%
51184
80%
**53
100%
Vihtavuori N160
<<locked>>
97%
54897
86%
**64
99%
Vihtavuori N530
<<locked>>
85%
57130
90%
**54
100%
Vihtavuori N540
<<locked>>
91%
56855
89%
**41
100%
Vihtavuori N550
<<locked>>
97%
54433
85%
**04
99%
Vihtavuori N555
<<locked>>
97%
37405
59%
**44
97%
Winchester 6.5 StaBALL
<<locked>>
97%
52402
82%
**02
100%
Winchester 748
<<locked>>
84%
57217
90%
**87
100%
Winchester 760
<<locked>>
96%
57072
89%
**49
98%
Winchester StaBALL HD
<<locked>>
97%
30951
48%
**30
95%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
45803
72%
**90
99%
ADI AR 2208
<<locked>>
81%
38957
61%
**43
97%
[ADI AR 2209]*
<<locked>>
94%
39856
62%
**05
90%
Accurate 2015
<<locked>>
81%
51605
81%
**90
100%
Accurate 2200
<<locked>>
81%
47747
75%
**94
98%
Accurate 2495
<<locked>>
81%
47369
74%
**94
100%
Accurate 2520
<<locked>>
81%
47819
75%
**23
100%
[Accurate 2700]*
<<locked>>
81%
37202
58%
**41
91%
[Accurate 3100]*
<<locked>>
92%
30023
47%
**95
90%
Accurate 4064
<<locked>>
81%
39900
63%
**79
100%
[Accurate 4350]*
<<locked>>
81%
28979
45%
**82
92%
Alliant AR-Comp
<<locked>>
81%
48327
76%
**94
100%
Alliant Power Pro 2000-MR
<<locked>>
81%
41655
65%
**23
98%
Alliant Reloder- TS 15.5
<<locked>>
81%
38319
60%
**56
98%
Alliant Reloder-15
<<locked>>
81%
41321
65%
**28
98%
[Alliant Reloder-16]*
<<locked>>
81%
30023
47%
**98
92%
Alliant Reloder-17
<<locked>>
81%
33243
52%
**20
96%
[Alliant Reloder-19]*
<<locked>>
94%
38406
60%
**89
90%
[Alliant Reloder-23]*
<<locked>>
85%
24758
39%
**60
90%
[Alliant Reloder-26]*
<<locked>>
89%
29617
46%
**57
90%
Baschieri & Pellagri 107
<<locked>>
81%
45165
71%
**00
98%
Bofors RP3
<<locked>>
81%
38159
60%
**69
98%
[Bofors RP7]*
<<locked>>
81%
34621
54%
**28
90%
Hodgdon BL-C2
<<locked>>
81%
47529
74%
**43
100%
Hodgdon Benchmark
<<locked>>
81%
49763
78%
**94
100%
Hodgdon CFE223
<<locked>>
81%
39523
62%
**25
97%
Hodgdon H322
<<locked>>
81%
50894
80%
**40
100%
Hodgdon H380
<<locked>>
81%
39059
61%
**69
96%
[Hodgdon H414]*
<<locked>>
81%
34316
54%
**07
91%
[Hodgdon H4350]*
<<locked>>
87%
34838
55%
**57
90%
[Hodgdon Hybrid 100V]*
<<locked>>
81%
27340
43%
**00
93%
[Hodgdon LVR]*
<<locked>>
81%
32271
51%
**44
93%
[Hodgdon Superperformance]*
<<locked>>
85%
35331
55%
**36
90%
Hodgdon VARGET
<<locked>>
81%
38638
61%
**36
97%
Hodgdon TrailBoss
<<locked>>
91%
31154
49%
**50
100%
IMR 3031
<<locked>>
81%
41843
66%
**35
100%
IMR 4064
<<locked>>
81%
38072
60%
**16
97%
[IMR 4166 Enduron]*
<<locked>>
81%
37927
59%
**80
93%
[IMR 4350]*
<<locked>>
85%
34795
55%
**57
90%
[IMR 4451 Enduron]*
<<locked>>
81%
36129
57%
**67
92%
[IMR 4831]*
<<locked>>
81%
25773
40%
**64
90%
IMR 4895
<<locked>>
81%
42395
66%
**57
98%
IMR 8208 XBR
<<locked>>
81%
47921
75%
**03
100%
Lovex D073.6
<<locked>>
81%
45049
71%
**74
100%
Lovex S060
<<locked>>
81%
45934
72%
**35
99%
Lovex S062
<<locked>>
81%
40857
64%
**82
99%
[Lovex S065]*
<<locked>>
81%
33663
53%
**11
93%
[Lovex S070]*
<<locked>>
81%
31966
50%
**92
90%
Norma 201
<<locked>>
81%
44860
70%
**48
100%
Norma 202
<<locked>>
81%
44918
70%
**54
100%
Norma 203B
<<locked>>
81%
40553
64%
**12
98%
[Norma 204]*
<<locked>>
89%
38943
61%
**79
90%
[Norma MRP]*
<<locked>>
94%
35070
55%
**79
90%
[Norma URP]*
<<locked>>
81%
29602
46%
**88
92%
Ramshot Big Game
<<locked>>
81%
40219
63%
**25
98%
[Ramshot Hunter]*
<<locked>>
83%
31285
49%
**31
90%
Ramshot TAC
<<locked>>
81%
47659
75%
**00
97%
Ramshot Wild Boar
<<locked>>
81%
47456
74%
**30
99%
Ramshot X-Terminator
<<locked>>
81%
51953
81%
**59
100%
ReloadSwiss RS 14
<<locked>>
86%
29617
46%
**47
100%
[ReloadSwiss RS 50]*
<<locked>>
81%
39392
62%
**49
94%
ReloadSwiss RS 52
<<locked>>
81%
43163
68%
**23
98%
ReloadSwiss RS 60
<<locked>>
81%
35375
55%
**92
99%
[ReloadSwiss RS 62]*
<<locked>>
81%
29022
45%
**95
91%
[ReloadSwiss RS 70]*
<<locked>>
82%
30313
48%
**18
90%
Rottweil R 901
<<locked>>
81%
48979
77%
**94
100%
Rottweil R 902
<<locked>>
81%
42685
67%
**95
99%
Rottweil R 903
<<locked>>
81%
35650
56%
**07
97%
[Rottweil R 907]*
<<locked>>
81%
34621
54%
**28
90%
SNPE Vectan SP 11
<<locked>>
81%
36637
57%
**52
97%
SNPE Vectan SP 7
<<locked>>
81%
45876
72%
**77
97%
SNPE Vectan SP 9
<<locked>>
81%
43961
69%
**57
99%
SNPE Vectan Tubal 3000
<<locked>>
81%
46079
72%
**95
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
38319
60%
**64
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
81%
32401
51%
**52
90%
[Shooters World Long Rifle]*
<<locked>>
81%
33663
53%
**11
93%
Shooters World Match Rifle
<<locked>>
81%
45049
71%
**74
100%
Shooters World Precision
<<locked>>
81%
40857
64%
**82
99%
Somchem S321
<<locked>>
81%
51953
81%
**89
100%
Somchem S335
<<locked>>
81%
46035
72%
**05
100%
Somchem S341
<<locked>>
81%
45948
72%
**77
99%
Somchem S355
<<locked>>
81%
36941
58%
**23
98%
Somchem S365
<<locked>>
81%
26527
42%
**39
95%
[Somchem S385]*
<<locked>>
91%
34432
54%
**90
90%
Vihtavuori N130
<<locked>>
81%
50821
80%
**48
100%
Vihtavuori N133
<<locked>>
81%
43656
68%
**49
100%
Vihtavuori N135
<<locked>>
81%
35781
56%
**61
100%
Vihtavuori N140
<<locked>>
81%
41974
66%
**79
100%
Vihtavuori N150
<<locked>>
81%
31531
49%
**75
97%
[Vihtavuori N160]*
<<locked>>
81%
32285
51%
**25
93%
Vihtavuori N530
<<locked>>
81%
50430
79%
**53
100%
Vihtavuori N540
<<locked>>
81%
41916
66%
**02
100%
[Vihtavuori N550]*
<<locked>>
81%
32793
51%
**70
94%
[Vihtavuori N555]*
<<locked>>
84%
25222
40%
**97
90%
Winchester 6.5 StaBALL
<<locked>>
81%
31082
49%
**79
96%
Winchester 748
<<locked>>
81%
51677
81%
**05
100%
[Winchester 760]*
<<locked>>
81%
34316
54%
**07
91%
[Winchester StaBALL HD]*
<<locked>>
91%
25831
40%
**39
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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