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

Recommended Powder(s): Alliant Reloder-17, Hodgdon CFE223, IMR 4895, Norma 203B, Ramshot Big Game

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:
1.428" | 36.3mm
Caliber:
8 x 68 S load data
Case Length (l3):
2.657" | 67.5mm
Cartridge Length (C.O.L.):
3.374" | 85.7mm
Seated Depth:
0.711" | 18.1mm
Shank Seated Depth:
0.503" | 12.8mm
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:
2025-02-02
Recommended Twist Rate:
1:12 - 1:10

Load data for 214 loads in caliber 8 x 68 S with .323 | 180gr | Hornady GMX bullet and 107 powders such as Alliant Reloder-17, Hodgdon CFE223, IMR 4895, Norma 203B, Ramshot Big Game. 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".

  • Muzzle velocity vs. barrel length

    Every 1 inch additional barrel length increases muzzle velocity by approx. 28.7 fps

  • 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.

    .

    Loading_icon.gif

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>>
92%
63730
100%
**76
100%
ADI AR 2208
<<locked>>
97%
63121
99%
**49
100%
[ADI AR 2209]*
<<locked>>
97%
43439
68%
**90
92%
Accurate 2015
<<locked>>
88%
63715
100%
**44
100%
Accurate 2200
<<locked>>
90%
63353
99%
**30
100%
Accurate 2230
<<locked>>
85%
63527
100%
**10
100%
Accurate 2460
<<locked>>
85%
63715
100%
**10
100%
Accurate 2495
<<locked>>
90%
63759
100%
**13
100%
Accurate 2520
<<locked>>
89%
63686
100%
**43
100%
Accurate 2700
<<locked>>
97%
61975
97%
**74
98%
[Accurate 3100]*
<<locked>>
97%
35650
56%
**30
93%
Accurate 4064
<<locked>>
96%
63556
100%
**36
100%
Accurate 4350
<<locked>>
97%
50343
79%
**38
99%
Alliant AR-Comp
<<locked>>
89%
62917
99%
**74
100%
Alliant Reloder- TS 15.5
<<locked>>
97%
62642
98%
**56
100%
Alliant Reloder-10x
<<locked>>
85%
62975
99%
**48
100%
Alliant Reloder-15
<<locked>>
95%
63353
99%
**82
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 106
<<locked>>
84%
63483
99%
**05
100%
Baschieri & Pellagri 107
<<locked>>
92%
63744
100%
**82
100%
Hodgdon BL-C2
<<locked>>
89%
63005
99%
**72
100%
Hodgdon Benchmark
<<locked>>
89%
63396
99%
**84
100%
Hodgdon CFE223 👍
<<locked>>
95%
63541
100%
**18
100%
Hodgdon H322
<<locked>>
88%
62787
98%
**00
100%
Hodgdon H335
<<locked>>
83%
63730
100%
**20
100%
Hodgdon H380
<<locked>>
96%
63208
99%
**72
100%
Hodgdon H414
<<locked>>
97%
58769
92%
**69
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>>
97%
62917
99%
**40
100%
Hodgdon TrailBoss
<<locked>>
96%
33736
53%
**03
100%
IMR 3031
<<locked>>
94%
62874
99%
**33
100%
IMR 4064
<<locked>>
97%
61612
97%
**17
100%
IMR 4166 Enduron
<<locked>>
97%
61163
96%
**87
98%
IMR 4198
<<locked>>
86%
63585
100%
**12
100%
IMR 4350
<<locked>>
97%
50125
79%
**69
96%
IMR 4451 Enduron
<<locked>>
97%
58175
91%
**74
98%
IMR 4831
<<locked>>
97%
42873
67%
**87
98%
IMR 4895 👍
<<locked>>
94%
63150
99%
**89
100%
IMR 8208 XBR
<<locked>>
90%
63788
100%
**33
100%
Lovex D073.4
<<locked>>
84%
63019
99%
**87
100%
Lovex D073.5
<<locked>>
86%
63715
100%
**10
100%
Lovex D073.6
<<locked>>
91%
63686
100%
**43
100%
Lovex S060
<<locked>>
92%
62859
98%
**87
100%
Lovex S062
<<locked>>
95%
63570
100%
**40
100%
Lovex S065
<<locked>>
97%
54520
85%
**22
98%
Lovex S070
<<locked>>
97%
52228
82%
**08
97%
Norma 201
<<locked>>
92%
62946
99%
**23
100%
Norma 202
<<locked>>
92%
63121
99%
**13
100%
Norma 203B 👍
<<locked>>
95%
63338
99%
**86
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>>
94%
63121
99%
**92
100%
Ramshot Hunter
<<locked>>
97%
48312
76%
**08
97%
Ramshot TAC
<<locked>>
90%
63266
99%
**43
99%
Ramshot Wild Boar
<<locked>>
90%
63396
99%
**72
100%
Ramshot X-Terminator
<<locked>>
87%
63208
99%
**13
100%
ReloadSwiss RS 14
<<locked>>
96%
33953
53%
**36
100%
ReloadSwiss RS 40
<<locked>>
86%
63034
99%
**13
100%
ReloadSwiss RS 50
<<locked>>
96%
63730
100%
**59
99%
ReloadSwiss RS 52
<<locked>>
95%
63396
99%
**02
100%
ReloadSwiss RS 60
<<locked>>
97%
55201
87%
**86
100%
ReloadSwiss RS 62
<<locked>>
97%
49501
78%
**51
99%
ReloadSwiss RS 70
<<locked>>
97%
49792
78%
**77
98%
Rottweil R 901
<<locked>>
90%
63541
100%
**90
100%
Rottweil R 902
<<locked>>
94%
63715
100%
**20
100%
Rottweil R 903
<<locked>>
97%
60205
94%
**23
100%
Rottweil R 907
<<locked>>
97%
56550
89%
**44
97%
SNPE Vectan SP 11
<<locked>>
97%
61801
97%
**86
100%
SNPE Vectan SP 7
<<locked>>
90%
63788
100%
**49
100%
SNPE Vectan SP 9
<<locked>>
92%
63121
99%
**49
100%
SNPE Vectan Tubal 3000
<<locked>>
91%
63411
99%
**38
100%
SNPE Vectan Tubal 5000
<<locked>>
97%
62555
98%
**18
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>>
91%
63686
100%
**43
100%
Shooters World Precision
<<locked>>
95%
63570
100%
**40
100%
Shooters World Tactical Rifle
<<locked>>
84%
63309
99%
**87
100%
Somchem S321
<<locked>>
87%
63556
100%
**40
100%
Somchem S335
<<locked>>
92%
63019
99%
**41
100%
Somchem S341
<<locked>>
91%
63527
100%
**43
100%
Somchem S355
<<locked>>
97%
60176
94%
**20
100%
Somchem S365
<<locked>>
97%
44527
70%
**82
100%
[Somchem S385]*
<<locked>>
97%
41133
64%
**41
93%
Vihtavuori N120
<<locked>>
83%
63338
99%
**30
100%
Vihtavuori N130
<<locked>>
88%
63483
99%
**08
100%
Vihtavuori N133
<<locked>>
94%
63309
99%
**22
100%
Vihtavuori N135
<<locked>>
97%
57203
90%
**02
100%
Vihtavuori N140
<<locked>>
94%
63672
100%
**90
100%
Vihtavuori N150
<<locked>>
97%
51184
80%
**53
100%
Vihtavuori N160
<<locked>>
97%
54897
86%
**64
99%
Vihtavuori N530
<<locked>>
88%
63222
99%
**33
100%
Vihtavuori N540
<<locked>>
94%
62830
98%
**17
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>>
87%
63744
100%
**76
100%
Winchester 760
<<locked>>
97%
58769
92%
**69
98%
Winchester StaBALL HD
<<locked>>
97%
30951
48%
**30
95%
Winchester StaBALL Match
<<locked>>
85%
63251
99%
**63
100%

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 2230
<<locked>>
81%
54882
86%
**99
100%
Accurate 2460
<<locked>>
81%
55042
86%
**99
100%
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 Reloder- TS 15.5
<<locked>>
81%
38319
60%
**56
98%
Alliant Reloder-10x
<<locked>>
81%
55898
88%
**62
100%
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 106
<<locked>>
81%
57682
90%
**36
100%
Baschieri & Pellagri 107
<<locked>>
81%
45165
71%
**00
98%
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 H335
<<locked>>
81%
59190
93%
**64
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 4198
<<locked>>
81%
55492
87%
**13
100%
[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 D073.4
<<locked>>
81%
56753
89%
**12
100%
Lovex D073.5
<<locked>>
81%
54331
85%
**85
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 40
<<locked>>
81%
53737
84%
**79
100%
[ReloadSwiss RS 50]*
<<locked>>
81%
39392
62%
**49
94%
ReloadSwiss RS 52
<<locked>>
81%
39349
62%
**25
99%
ReloadSwiss RS 60
<<locked>>
81%
32358
51%
**10
97%
[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%
Shooters World Tactical Rifle
<<locked>>
81%
56956
89%
**08
100%
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 N120
<<locked>>
81%
59538
93%
**87
100%
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%
Winchester StaBALL Match
<<locked>>
81%
54418
85%
**48
100%

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.

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