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Load data for 8 mm Rem. Mag. + .323 | 180gr | Hornady GMX

Recommended Powder(s): Alliant Reloder-16, Hodgdon H414, ReloadSwiss RS 62, Vihtavuori N550, Winchester 760

8 mm Rem. Mag. + .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 mm Rem. Mag. load data
Case Length (l3):
2.850" | 72.4mm
Cartridge Length (C.O.L.):
3.546" | 90.1mm
Seated Depth:
0.732" | 18.6mm
Shank Seated Depth:
0.523" | 13.3mm
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_B2739_C1155
Last updated:
2025-01-01
Recommended Twist Rate:
1:12 - 1:10

Load data for 200 loads in caliber 8 mm Rem. Mag. with .323 | 180gr | Hornady GMX bullet and 100 powders such as Alliant Reloder-16, Hodgdon H414, ReloadSwiss RS 62, Vihtavuori N550, Winchester 760. 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>>
85%
59335
89%
**86
100%
ADI AR 2208
<<locked>>
91%
59582
89%
**76
100%
ADI AR 2209
<<locked>>
97%
49966
75%
**00
96%
[ADI AR 2213]*
<<locked>>
97%
44512
67%
**02
92%
Accurate 2200
<<locked>>
84%
59669
89%
**59
100%
Accurate 2495
<<locked>>
84%
59857
90%
**23
100%
Accurate 2520
<<locked>>
83%
59596
89%
**56
100%
Accurate 2700
<<locked>>
91%
59596
89%
**23
98%
Accurate 3100
<<locked>>
97%
42714
64%
**33
97%
Accurate 4064
<<locked>>
89%
59495
89%
**49
100%
Accurate 4350
<<locked>>
97%
59205
89%
**31
100%
Alliant AR-Comp
<<locked>>
83%
59205
89%
**94
100%
Alliant Reloder- TS 15.5
<<locked>>
90%
59408
89%
**86
100%
Alliant Reloder-15
<<locked>>
88%
59350
89%
**05
100%
Alliant Reloder-16 👍
<<locked>>
97%
56463
85%
**38
100%
Alliant Reloder-17
<<locked>>
94%
59785
90%
**00
100%
Alliant Reloder-19
<<locked>>
97%
48878
73%
**84
95%
[Alliant Reloder-22]*
<<locked>>
97%
42815
64%
**99
94%
Alliant Reloder-23
<<locked>>
97%
41046
62%
**72
99%
Alliant Reloder-25
<<locked>>
97%
35824
54%
**57
95%
Alliant Reloder-26
<<locked>>
97%
45498
68%
**33
99%
Baschieri & Pellagri 107
<<locked>>
86%
59901
90%
**09
100%
Hodgdon BL-C2
<<locked>>
84%
59843
90%
**99
100%
Hodgdon Benchmark
<<locked>>
83%
59785
90%
**10
100%
Hodgdon CFE223
<<locked>>
88%
59451
89%
**35
100%
Hodgdon H380
<<locked>>
90%
59770
90%
**95
100%
Hodgdon H414 👍
<<locked>>
93%
59553
89%
**51
99%
Hodgdon H4350
<<locked>>
97%
54505
82%
**17
98%
[Hodgdon H4831 SC]*
<<locked>>
97%
46659
70%
**05
92%
Hodgdon Hybrid 100V
<<locked>>
97%
52852
79%
**10
100%
Hodgdon LVR
<<locked>>
95%
59277
89%
**38
100%
Hodgdon Superperformance
<<locked>>
95%
59466
89%
**91
99%
Hodgdon VARGET
<<locked>>
91%
59248
89%
**63
100%
Hodgdon TrailBoss
<<locked>>
97%
34519
52%
**85
100%
IMR 3031
<<locked>>
88%
59988
90%
**59
100%
IMR 4064
<<locked>>
92%
59582
89%
**63
100%
IMR 4166 Enduron
<<locked>>
92%
59857
90%
**59
99%
IMR 4350
<<locked>>
97%
57479
86%
**56
98%
IMR 4451 Enduron
<<locked>>
93%
59248
89%
**72
99%
IMR 4831
<<locked>>
97%
50299
75%
**84
99%
IMR 4895
<<locked>>
87%
59466
89%
**09
100%
[IMR 4955 Enduron]*
<<locked>>
97%
46528
70%
**66
92%
[IMR 7828 SSC]*
<<locked>>
97%
45527
68%
**41
92%
IMR 8208 XBR
<<locked>>
84%
59669
89%
**46
100%
Lovex D073.6
<<locked>>
85%
59596
89%
**56
100%
Lovex S060
<<locked>>
86%
59379
89%
**20
100%
Lovex S062
<<locked>>
89%
59625
89%
**56
100%
Lovex S065
<<locked>>
96%
59973
90%
**82
100%
Lovex S070
<<locked>>
97%
59959
90%
**99
99%
[Lovex S071]*
<<locked>>
97%
35723
54%
**85
94%
Norma 201
<<locked>>
86%
59669
89%
**49
100%
Norma 202
<<locked>>
86%
59915
90%
**40
100%
Norma 203B
<<locked>>
89%
59234
89%
**95
100%
Norma 204
<<locked>>
97%
58639
88%
**18
97%
Norma MRP
<<locked>>
97%
45629
68%
**97
96%
Norma URP
<<locked>>
97%
58175
87%
**25
100%
Ramshot Big Game
<<locked>>
88%
59234
89%
**09
100%
Ramshot Hunter
<<locked>>
97%
56913
85%
**25
99%
[Ramshot Magnum]*
<<locked>>
97%
41916
63%
**53
94%
Ramshot TAC
<<locked>>
84%
59712
90%
**79
100%
Ramshot Wild Boar
<<locked>>
84%
59727
90%
**95
100%
ReloadSwiss RS 14
<<locked>>
96%
34751
52%
**21
100%
ReloadSwiss RS 50
<<locked>>
90%
59843
90%
**82
99%
ReloadSwiss RS 52
<<locked>>
89%
59930
90%
**15
100%
ReloadSwiss RS 60
<<locked>>
95%
59930
90%
**17
100%
ReloadSwiss RS 62 👍
<<locked>>
97%
59016
88%
**61
100%
ReloadSwiss RS 70
<<locked>>
97%
58030
87%
**94
100%
Rottweil R 901
<<locked>>
84%
59930
90%
**17
100%
Rottweil R 902
<<locked>>
88%
60002
90%
**43
100%
Rottweil R 903
<<locked>>
92%
59379
89%
**82
100%
Rottweil R 904
<<locked>>
97%
51822
78%
**77
95%
Rottweil R 905
<<locked>>
97%
47935
72%
**71
95%
Rottweil R 907
<<locked>>
95%
60031
90%
**82
98%
SNPE Vectan SP 11
<<locked>>
91%
59364
89%
**18
100%
SNPE Vectan SP 7
<<locked>>
85%
59843
90%
**69
100%
SNPE Vectan SP 9
<<locked>>
86%
59640
89%
**79
100%
SNPE Vectan Tubal 3000
<<locked>>
86%
59727
90%
**61
100%
SNPE Vectan Tubal 5000
<<locked>>
91%
59393
89%
**54
100%
SNPE Vectan Tubal 7000
<<locked>>
95%
59132
89%
**20
99%
Shooters World Long Rifle
<<locked>>
96%
59973
90%
**82
100%
Shooters World Match Rifle
<<locked>>
85%
59596
89%
**56
100%
Shooters World Precision
<<locked>>
89%
59625
89%
**56
100%
Somchem S335
<<locked>>
86%
59611
89%
**67
100%
Somchem S341
<<locked>>
85%
59480
89%
**56
100%
Somchem S355
<<locked>>
92%
59437
89%
**76
100%
[Somchem S361]*
<<locked>>
97%
53461
80%
**67
94%
Somchem S365
<<locked>>
97%
52823
79%
**69
100%
Somchem S385
<<locked>>
97%
48617
73%
**41
96%
Vihtavuori N133
<<locked>>
88%
59277
89%
**35
100%
Vihtavuori N135
<<locked>>
93%
59321
89%
**94
100%
Vihtavuori N140
<<locked>>
88%
59553
89%
**07
100%
Vihtavuori N150
<<locked>>
97%
58523
88%
**27
100%
Vihtavuori N160
<<locked>>
95%
59379
89%
**92
100%
[Vihtavuori N165]*
<<locked>>
97%
40930
61%
**84
94%
Vihtavuori N540
<<locked>>
88%
59843
90%
**36
100%
Vihtavuori N550 👍
<<locked>>
95%
59886
90%
**45
100%
Vihtavuori N555
<<locked>>
97%
45614
68%
**61
99%
Winchester 6.5 StaBALL
<<locked>>
96%
59872
90%
**82
100%
Winchester 760 👍
<<locked>>
93%
59553
89%
**51
99%
Winchester StaBALL HD
<<locked>>
97%
33170
50%
**85
99%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
51866
78%
**67
100%
ADI AR 2208
<<locked>>
81%
43918
66%
**07
99%
[ADI AR 2209]*
<<locked>>
87%
36172
54%
**89
90%
[ADI AR 2213]*
<<locked>>
94%
41118
62%
**26
90%
Accurate 2200
<<locked>>
81%
53882
81%
**67
100%
Accurate 2495
<<locked>>
81%
54534
82%
**51
100%
Accurate 2520
<<locked>>
81%
55100
83%
**90
100%
Accurate 2700
<<locked>>
81%
42467
64%
**31
95%
[Accurate 3100]*
<<locked>>
84%
27702
42%
**75
90%
Accurate 4064
<<locked>>
81%
46079
69%
**46
100%
Accurate 4350
<<locked>>
81%
34505
52%
**75
96%
Alliant AR-Comp
<<locked>>
81%
55463
83%
**44
100%
Alliant Reloder- TS 15.5
<<locked>>
81%
44309
66%
**43
100%
Alliant Reloder-15
<<locked>>
81%
47239
71%
**05
99%
Alliant Reloder-16
<<locked>>
81%
34243
51%
**92
96%
Alliant Reloder-17
<<locked>>
81%
38624
58%
**20
99%
[Alliant Reloder-19]*
<<locked>>
86%
35099
53%
**79
90%
[Alliant Reloder-22]*
<<locked>>
91%
35447
53%
**25
90%
[Alliant Reloder-23]*
<<locked>>
81%
24889
37%
**20
92%
[Alliant Reloder-25]*
<<locked>>
90%
28979
43%
**54
90%
[Alliant Reloder-26]*
<<locked>>
82%
27282
41%
**44
90%
Baschieri & Pellagri 107
<<locked>>
81%
51532
77%
**74
100%
Hodgdon BL-C2
<<locked>>
81%
54650
82%
**23
100%
Hodgdon Benchmark
<<locked>>
81%
55405
83%
**51
100%
Hodgdon CFE223
<<locked>>
81%
45934
69%
**18
99%
Hodgdon H380
<<locked>>
81%
44759
67%
**49
98%
Hodgdon H414
<<locked>>
81%
39842
60%
**97
95%
[Hodgdon H4350]*
<<locked>>
81%
33214
50%
**74
91%
[Hodgdon H4831 SC]*
<<locked>>
93%
41843
63%
**00
90%
Hodgdon Hybrid 100V
<<locked>>
81%
31531
47%
**80
97%
Hodgdon LVR
<<locked>>
81%
37376
56%
**38
96%
[Hodgdon Superperformance]*
<<locked>>
81%
35897
54%
**21
92%
Hodgdon VARGET
<<locked>>
81%
43627
65%
**03
99%
Hodgdon TrailBoss
<<locked>>
82%
27949
42%
**47
100%
IMR 3031
<<locked>>
81%
48225
72%
**99
100%
IMR 4064
<<locked>>
81%
43178
65%
**87
99%
IMR 4166 Enduron
<<locked>>
81%
42569
64%
**48
95%
[IMR 4350]*
<<locked>>
81%
34940
52%
**26
92%
IMR 4451 Enduron
<<locked>>
81%
40712
61%
**38
95%
[IMR 4831]*
<<locked>>
81%
30342
45%
**48
94%
IMR 4895
<<locked>>
81%
48530
73%
**35
100%
[IMR 4955 Enduron]*
<<locked>>
92%
40422
61%
**41
90%
[IMR 7828 SSC]*
<<locked>>
93%
40393
61%
**26
90%
IMR 8208 XBR
<<locked>>
81%
54012
81%
**71
100%
Lovex D073.6
<<locked>>
81%
51561
77%
**41
100%
Lovex S060
<<locked>>
81%
51039
76%
**95
100%
Lovex S062
<<locked>>
81%
46267
69%
**49
100%
Lovex S065
<<locked>>
81%
38087
57%
**89
96%
[Lovex S070]*
<<locked>>
81%
36347
54%
**59
94%
[Lovex S071]*
<<locked>>
89%
27702
42%
**75
90%
Norma 201
<<locked>>
81%
50633
76%
**12
100%
Norma 202
<<locked>>
81%
51358
77%
**22
100%
Norma 203B
<<locked>>
81%
46470
70%
**89
100%
[Norma 204]*
<<locked>>
82%
35694
53%
**75
90%
[Norma MRP]*
<<locked>>
86%
32111
48%
**59
90%
Norma URP
<<locked>>
81%
34722
52%
**75
96%
Ramshot Big Game
<<locked>>
81%
46470
70%
**12
100%
[Ramshot Hunter]*
<<locked>>
81%
33547
50%
**52
93%
[Ramshot Magnum]*
<<locked>>
92%
34708
52%
**79
90%
Ramshot TAC
<<locked>>
81%
54143
81%
**84
99%
Ramshot Wild Boar
<<locked>>
81%
54143
81%
**10
100%
ReloadSwiss RS 14
<<locked>>
81%
27702
42%
**67
100%
ReloadSwiss RS 50
<<locked>>
81%
44846
67%
**30
97%
ReloadSwiss RS 52
<<locked>>
81%
46006
69%
**02
100%
ReloadSwiss RS 60
<<locked>>
81%
37347
56%
**13
99%
ReloadSwiss RS 62
<<locked>>
81%
34040
51%
**85
95%
[ReloadSwiss RS 70]*
<<locked>>
81%
33707
51%
**82
94%
Rottweil R 901
<<locked>>
81%
54868
82%
**48
100%
Rottweil R 902
<<locked>>
81%
48298
72%
**69
100%
Rottweil R 903
<<locked>>
81%
41698
63%
**94
99%
[Rottweil R 904]*
<<locked>>
88%
38914
58%
**21
90%
[Rottweil R 905]*
<<locked>>
87%
34389
52%
**62
90%
[Rottweil R 907]*
<<locked>>
81%
39349
59%
**02
94%
SNPE Vectan SP 11
<<locked>>
81%
42569
64%
**43
99%
SNPE Vectan SP 7
<<locked>>
81%
52446
79%
**61
99%
SNPE Vectan SP 9
<<locked>>
81%
50111
75%
**31
100%
SNPE Vectan Tubal 3000
<<locked>>
81%
51677
77%
**53
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
43395
65%
**12
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
81%
37521
56%
**33
94%
Shooters World Long Rifle
<<locked>>
81%
38087
57%
**89
96%
Shooters World Match Rifle
<<locked>>
81%
51561
77%
**41
100%
Shooters World Precision
<<locked>>
81%
46267
69%
**49
100%
Somchem S335
<<locked>>
81%
51256
77%
**46
100%
Somchem S341
<<locked>>
81%
52388
79%
**58
100%
Somchem S355
<<locked>>
81%
42003
63%
**87
99%
[Somchem S361]*
<<locked>>
89%
41075
62%
**38
90%
Somchem S365
<<locked>>
81%
31096
47%
**23
98%
[Somchem S385]*
<<locked>>
84%
31821
48%
**80
90%
Vihtavuori N133
<<locked>>
81%
48849
73%
**90
100%
Vihtavuori N135
<<locked>>
81%
40872
61%
**12
100%
Vihtavuori N140
<<locked>>
81%
47819
72%
**33
100%
Vihtavuori N150
<<locked>>
81%
35911
54%
**30
99%
Vihtavuori N160
<<locked>>
81%
37478
56%
**05
97%
[Vihtavuori N165]*
<<locked>>
90%
33098
50%
**00
90%
Vihtavuori N540
<<locked>>
81%
47616
71%
**59
100%
Vihtavuori N550
<<locked>>
81%
38101
57%
**57
97%
[Vihtavuori N555]*
<<locked>>
81%
26890
40%
**08
93%
Winchester 6.5 StaBALL
<<locked>>
81%
35476
53%
**52
98%
Winchester 760
<<locked>>
81%
39842
60%
**97
95%
[Winchester StaBALL HD]*
<<locked>>
83%
23728
36%
**20
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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