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Load data for 8 mm Rem. Mag. + .323 | 180gr | Barnes X S

Recommended Powder(s): Alliant Reloder-16, Hodgdon Superperformance, Ramshot Hunter, ReloadSwiss RS 62, ReloadSwiss RS 70

8 mm Rem. Mag. + .323 | 180gr | Barnes X S

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.323 | 180gr | Barnes X S
Manufacturer SKU:
32305
Bullet Weight:
180gr | 11.7g
Bullet Diameter:
0.323" | 8.20mm
Bullet Length:
1.250" | 31.7mm
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:
0.554" | 14.1mm
Shank Seated Depth:
0.554" | 14.1mm
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_B650_C1155
Last updated:
2025-01-01

Load data for 170 loads in caliber 8 mm Rem. Mag. with .323 | 180gr | Barnes X S bullet and 85 powders such as Alliant Reloder-16, Hodgdon Superperformance, Ramshot Hunter, ReloadSwiss RS 62, ReloadSwiss RS 70. 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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  • .

    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.

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 2208
<<locked>>
88%
59683
89%
**66
100%
ADI AR 2209
<<locked>>
97%
56260
84%
**99
97%
[ADI AR 2213]*
<<locked>>
97%
50154
75%
**10
94%
Accurate 2700
<<locked>>
88%
59828
90%
**27
99%
Accurate 3100
<<locked>>
97%
51010
76%
**74
99%
Accurate 4064
<<locked>>
85%
59770
90%
**30
100%
Accurate 4350
<<locked>>
93%
59582
89%
**25
100%
[Accurate MAGPRO]*
<<locked>>
97%
49023
73%
**27
92%
Alliant Reloder- TS 15.5
<<locked>>
87%
59640
89%
**79
100%
Alliant Reloder-15
<<locked>>
85%
59640
89%
**99
100%
Alliant Reloder-16 👍
<<locked>>
95%
59466
89%
**81
100%
Alliant Reloder-17
<<locked>>
90%
59799
90%
**94
100%
Alliant Reloder-19
<<locked>>
97%
55579
83%
**92
97%
Alliant Reloder-22
<<locked>>
97%
49443
74%
**23
96%
Alliant Reloder-23
<<locked>>
97%
47427
71%
**94
100%
Alliant Reloder-25
<<locked>>
97%
41611
62%
**95
97%
Alliant Reloder-26
<<locked>>
97%
53388
80%
**64
100%
Hodgdon CFE223
<<locked>>
85%
59930
90%
**38
100%
Hodgdon H380
<<locked>>
86%
59248
89%
**79
100%
Hodgdon H414
<<locked>>
89%
59379
89%
**48
99%
Hodgdon H4350
<<locked>>
96%
59785
90%
**99
99%
[Hodgdon H4831]*
<<locked>>
97%
47210
71%
**05
93%
[Hodgdon H4831 SC]*
<<locked>>
97%
52837
79%
**07
94%
Hodgdon Hybrid 100V
<<locked>>
97%
59292
89%
**92
100%
Hodgdon LVR
<<locked>>
91%
59219
89%
**22
100%
Hodgdon Superperformance 👍
<<locked>>
92%
59524
89%
**77
99%
Hodgdon VARGET
<<locked>>
88%
59770
90%
**72
100%
Hodgdon TrailBoss
<<locked>>
96%
34882
52%
**98
100%
IMR 3031
<<locked>>
84%
59785
90%
**43
100%
IMR 4064
<<locked>>
88%
59132
89%
**53
100%
IMR 4166 Enduron
<<locked>>
89%
59553
89%
**46
99%
IMR 4350
<<locked>>
95%
59727
90%
**89
99%
IMR 4451 Enduron
<<locked>>
90%
59509
89%
**72
99%
IMR 4831
<<locked>>
97%
56739
85%
**69
100%
IMR 4895
<<locked>>
84%
59814
90%
**09
100%
IMR 4955 Enduron
<<locked>>
97%
52315
78%
**71
95%
IMR 7828 SSC
<<locked>>
97%
51677
77%
**63
95%
Lovex S060
<<locked>>
83%
59988
90%
**23
100%
Lovex S062
<<locked>>
86%
60031
90%
**49
100%
Lovex S065
<<locked>>
92%
59596
89%
**69
100%
Lovex S070
<<locked>>
93%
59669
89%
**92
99%
Lovex S071
<<locked>>
97%
43366
65%
**36
97%
Norma 203B
<<locked>>
85%
59712
90%
**99
100%
Norma 204
<<locked>>
94%
59712
89%
**35
98%
Norma MRP
<<locked>>
97%
52707
79%
**25
98%
Norma URP
<<locked>>
94%
59582
89%
**35
100%
Ramshot Big Game
<<locked>>
85%
59683
89%
**09
100%
Ramshot Hunter 👍
<<locked>>
95%
59944
90%
**58
100%
Ramshot Magnum
<<locked>>
97%
48443
73%
**90
96%
ReloadSwiss RS 14
<<locked>>
97%
36114
54%
**50
100%
ReloadSwiss RS 50
<<locked>>
86%
59596
89%
**72
99%
ReloadSwiss RS 52
<<locked>>
85%
59437
89%
**02
100%
ReloadSwiss RS 60
<<locked>>
91%
59843
90%
**10
100%
ReloadSwiss RS 62 👍
<<locked>>
93%
59030
88%
**45
100%
ReloadSwiss RS 70 👍
<<locked>>
94%
59582
89%
**07
100%
[ReloadSwiss RS 76]*
<<locked>>
97%
40640
61%
**99
94%
Rottweil R 902
<<locked>>
84%
59640
89%
**30
100%
Rottweil R 903
<<locked>>
88%
59669
89%
**76
100%
Rottweil R 904
<<locked>>
97%
57464
86%
**63
96%
Rottweil R 905
<<locked>>
97%
54636
82%
**79
97%
Rottweil R 907
<<locked>>
91%
59524
89%
**66
99%
SNPE Vectan SP 11
<<locked>>
88%
59422
89%
**18
100%
SNPE Vectan SP 9
<<locked>>
83%
59785
90%
**72
100%
SNPE Vectan Tubal 5000
<<locked>>
88%
60002
90%
**48
100%
SNPE Vectan Tubal 7000
<<locked>>
92%
59509
89%
**23
99%
Shooters World Long Rifle
<<locked>>
92%
59596
89%
**69
100%
Shooters World Precision
<<locked>>
86%
60031
90%
**49
100%
Somchem S355
<<locked>>
89%
59973
90%
**76
100%
Somchem S361
<<locked>>
97%
59683
89%
**56
96%
Somchem S365
<<locked>>
96%
60017
90%
**58
100%
Somchem S385
<<locked>>
97%
55521
83%
**56
98%
Vihtavuori N133
<<locked>>
85%
59886
90%
**38
100%
Vihtavuori N135
<<locked>>
90%
59930
90%
**87
100%
Vihtavuori N140
<<locked>>
85%
59741
90%
**97
100%
Vihtavuori N150
<<locked>>
94%
59886
90%
**36
100%
Vihtavuori N160
<<locked>>
91%
59495
89%
**89
100%
Vihtavuori N165
<<locked>>
97%
47065
71%
**89
96%
Vihtavuori N540
<<locked>>
85%
59683
89%
**27
100%
Vihtavuori N550
<<locked>>
91%
59219
89%
**28
100%
Vihtavuori N555
<<locked>>
97%
53258
80%
**76
100%
[Vihtavuori N560]*
<<locked>>
97%
50169
75%
**56
94%
[Vihtavuori N565]*
<<locked>>
97%
42902
64%
**02
92%
Winchester 6.5 StaBALL
<<locked>>
93%
59292
89%
**63
100%
Winchester 760
<<locked>>
89%
59379
89%
**48
99%
Winchester StaBALL HD
<<locked>>
97%
40422
61%
**33
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
48863
73%
**95
100%
[ADI AR 2209]*
<<locked>>
81%
35317
53%
**62
90%
[ADI AR 2213]*
<<locked>>
89%
39987
60%
**94
90%
Accurate 2700
<<locked>>
81%
47877
72%
**26
96%
[Accurate 3100]*
<<locked>>
81%
31502
47%
**57
93%
Accurate 4064
<<locked>>
81%
53780
81%
**41
100%
Accurate 4350
<<locked>>
81%
41466
62%
**17
98%
[Accurate MAGPRO]*
<<locked>>
94%
44802
67%
**38
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
50140
75%
**31
100%
Alliant Reloder-15
<<locked>>
81%
53359
80%
**00
100%
Alliant Reloder-16
<<locked>>
81%
39349
59%
**07
98%
Alliant Reloder-17
<<locked>>
81%
44135
66%
**31
100%
[Alliant Reloder-19]*
<<locked>>
81%
34693
52%
**46
90%
[Alliant Reloder-22]*
<<locked>>
85%
34548
52%
**92
90%
Alliant Reloder-23
<<locked>>
81%
29994
45%
**77
96%
[Alliant Reloder-25]*
<<locked>>
83%
28427
43%
**18
90%
[Alliant Reloder-26]*
<<locked>>
81%
31879
48%
**75
94%
Hodgdon CFE223
<<locked>>
81%
52286
78%
**13
100%
Hodgdon H380
<<locked>>
81%
51010
76%
**54
99%
Hodgdon H414
<<locked>>
81%
45948
69%
**12
97%
[Hodgdon H4350]*
<<locked>>
81%
38421
58%
**92
94%
[Hodgdon H4831]*
<<locked>>
92%
40698
61%
**67
90%
[Hodgdon H4831 SC]*
<<locked>>
88%
40698
61%
**67
90%
Hodgdon Hybrid 100V
<<locked>>
81%
36970
55%
**02
99%
Hodgdon LVR
<<locked>>
81%
43294
65%
**43
98%
Hodgdon Superperformance
<<locked>>
81%
41336
62%
**43
95%
Hodgdon VARGET
<<locked>>
81%
48762
73%
**85
100%
Hodgdon TrailBoss
<<locked>>
81%
28123
42%
**50
100%
IMR 3031
<<locked>>
81%
54346
81%
**67
100%
IMR 4064
<<locked>>
81%
48660
73%
**79
100%
IMR 4166 Enduron
<<locked>>
81%
47456
71%
**43
97%
[IMR 4350]*
<<locked>>
81%
39972
60%
**28
94%
IMR 4451 Enduron
<<locked>>
81%
45701
68%
**36
97%
IMR 4831
<<locked>>
81%
35984
54%
**72
97%
IMR 4895
<<locked>>
81%
54578
82%
**23
100%
[IMR 4955 Enduron]*
<<locked>>
87%
39218
59%
**08
90%
[IMR 7828 SSC]*
<<locked>>
88%
39726
60%
**97
90%
Lovex S060
<<locked>>
81%
56072
84%
**67
100%
Lovex S062
<<locked>>
81%
52170
78%
**31
100%
Lovex S065
<<locked>>
81%
44005
66%
**94
98%
Lovex S070
<<locked>>
81%
42192
63%
**74
96%
[Lovex S071]*
<<locked>>
81%
27731
42%
**46
91%
Norma 203B
<<locked>>
81%
52692
79%
**87
100%
[Norma 204]*
<<locked>>
81%
39552
59%
**54
92%
[Norma MRP]*
<<locked>>
81%
32024
48%
**39
90%
Norma URP
<<locked>>
81%
40379
61%
**90
98%
Ramshot Big Game
<<locked>>
81%
52417
79%
**04
100%
Ramshot Hunter
<<locked>>
81%
38856
58%
**74
96%
[Ramshot Magnum]*
<<locked>>
86%
33736
51%
**43
90%
ReloadSwiss RS 14
<<locked>>
81%
28790
43%
**93
100%
ReloadSwiss RS 50
<<locked>>
81%
50879
76%
**35
98%
ReloadSwiss RS 52
<<locked>>
81%
52460
79%
**94
100%
ReloadSwiss RS 60
<<locked>>
81%
42728
64%
**18
100%
ReloadSwiss RS 62
<<locked>>
81%
40364
61%
**17
98%
ReloadSwiss RS 70
<<locked>>
81%
38972
58%
**17
97%
[ReloadSwiss RS 76]*
<<locked>>
91%
34055
51%
**08
90%
Rottweil R 902
<<locked>>
81%
54578
82%
**54
100%
Rottweil R 903
<<locked>>
81%
47950
72%
**89
100%
[Rottweil R 904]*
<<locked>>
82%
37376
56%
**72
90%
[Rottweil R 905]*
<<locked>>
81%
33808
51%
**33
90%
Rottweil R 907
<<locked>>
81%
44846
67%
**10
96%
SNPE Vectan SP 11
<<locked>>
81%
48399
73%
**31
100%
SNPE Vectan SP 9
<<locked>>
81%
55840
84%
**17
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
48472
73%
**87
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
43120
65%
**41
96%
Shooters World Long Rifle
<<locked>>
81%
44005
66%
**94
98%
Shooters World Precision
<<locked>>
81%
52170
78%
**31
100%
Somchem S355
<<locked>>
81%
48153
72%
**85
100%
[Somchem S361]*
<<locked>>
84%
40263
60%
**02
90%
Somchem S365
<<locked>>
81%
36709
55%
**54
100%
[Somchem S385]*
<<locked>>
81%
34606
52%
**26
92%
Vihtavuori N133
<<locked>>
81%
53882
81%
**53
100%
Vihtavuori N135
<<locked>>
81%
47094
71%
**97
100%
Vihtavuori N140
<<locked>>
81%
53722
81%
**18
100%
Vihtavuori N150
<<locked>>
81%
41626
62%
**35
100%
Vihtavuori N160
<<locked>>
81%
43192
65%
**20
98%
[Vihtavuori N165]*
<<locked>>
84%
32532
49%
**61
90%
Vihtavuori N540
<<locked>>
81%
53113
80%
**35
100%
Vihtavuori N550
<<locked>>
81%
44164
66%
**72
99%
Vihtavuori N555
<<locked>>
81%
33199
50%
**62
96%
[Vihtavuori N560]*
<<locked>>
90%
40350
60%
**40
90%
[Vihtavuori N565]*
<<locked>>
94%
39189
59%
**13
90%
Winchester 6.5 StaBALL
<<locked>>
81%
40901
61%
**61
100%
Winchester 760
<<locked>>
81%
45948
69%
**12
97%
Winchester StaBALL HD
<<locked>>
81%
26963
40%
**48
95%

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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