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Load data for 8 mm Rem. Mag. + .323 | 200gr | Barnes X S

Recommended Powder(s): Alliant Reloder-26, Hodgdon Superperformance, IMR 4831, Ramshot Hunter, Vihtavuori N555

8 mm Rem. Mag. + .323 | 200gr | Barnes X S

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.323 | 200gr | Barnes X S
Manufacturer SKU:
32310
Bullet Weight:
200gr | 13.0g
Bullet Diameter:
0.323" | 8.20mm
Bullet Length:
1.355" | 34.4mm
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:
0.659" | 16.7mm
Shank Seated Depth:
0.659" | 16.7mm
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_B653_C1155
Last updated:
2025-02-02

Load data for 166 loads in caliber 8 mm Rem. Mag. with .323 | 200gr | Barnes X S bullet and 83 powders such as Alliant Reloder-26, Hodgdon Superperformance, IMR 4831, Ramshot Hunter, Vihtavuori N555. 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 2208
<<locked>>
86%
59698
89%
**22
100%
ADI AR 2209
<<locked>>
97%
59408
89%
**10
99%
ADI AR 2213
<<locked>>
97%
53359
80%
**48
96%
[ADI AR 2217]*
<<locked>>
97%
39943
60%
**62
92%
[ADI AR 2225]*
<<locked>>
97%
35911
54%
**33
94%
Accurate 2700
<<locked>>
87%
60002
90%
**85
99%
Accurate 3100
<<locked>>
97%
53983
81%
**79
100%
Accurate 4064
<<locked>>
83%
59727
90%
**76
100%
Accurate 4350
<<locked>>
91%
59828
90%
**77
100%
[Accurate MAGPRO]*
<<locked>>
97%
51735
78%
**38
94%
Alliant Reloder- TS 15.5
<<locked>>
86%
59944
90%
**25
100%
Alliant Reloder-15
<<locked>>
83%
59741
90%
**44
100%
Alliant Reloder-16
<<locked>>
93%
59901
90%
**27
100%
Alliant Reloder-17
<<locked>>
88%
59146
89%
**27
100%
Alliant Reloder-19
<<locked>>
97%
58494
88%
**94
99%
Alliant Reloder-22
<<locked>>
97%
52968
79%
**54
98%
Alliant Reloder-23
<<locked>>
97%
50067
75%
**89
100%
Alliant Reloder-25
<<locked>>
97%
44353
66%
**23
99%
Alliant Reloder-26 👍
<<locked>>
97%
57305
86%
**86
100%
Hodgdon CFE223
<<locked>>
84%
59582
89%
**84
100%
[Hodgdon H1000]*
<<locked>>
97%
39943
60%
**62
92%
Hodgdon H380
<<locked>>
84%
59509
89%
**44
100%
Hodgdon H414
<<locked>>
87%
59495
89%
**04
100%
Hodgdon H4350
<<locked>>
95%
59582
89%
**51
99%
Hodgdon H4831
<<locked>>
97%
49966
75%
**30
95%
Hodgdon H4831 SC
<<locked>>
97%
55695
83%
**28
96%
Hodgdon Hybrid 100V
<<locked>>
95%
59959
90%
**51
100%
Hodgdon LVR
<<locked>>
90%
60017
90%
**90
100%
[Hodgdon Retumbo]*
<<locked>>
97%
35911
54%
**33
94%
Hodgdon Superperformance 👍
<<locked>>
90%
60031
90%
**46
100%
Hodgdon VARGET
<<locked>>
86%
59364
89%
**12
100%
Hodgdon TrailBoss
<<locked>>
97%
35520
53%
**06
100%
IMR 4064
<<locked>>
87%
59393
89%
**99
100%
IMR 4166 Enduron
<<locked>>
88%
59727
90%
**12
100%
IMR 4350
<<locked>>
93%
59814
90%
**54
99%
IMR 4451 Enduron
<<locked>>
89%
60031
90%
**44
100%
IMR 4831 👍
<<locked>>
97%
60031
90%
**74
100%
IMR 4955 Enduron
<<locked>>
97%
55100
83%
**82
96%
IMR 7828 SSC
<<locked>>
97%
54882
82%
**87
97%
Lovex S062
<<locked>>
84%
59379
89%
**85
100%
Lovex S065
<<locked>>
90%
60046
90%
**31
100%
Lovex S070
<<locked>>
91%
59814
90%
**48
100%
Lovex S071
<<locked>>
97%
46137
69%
**54
99%
Norma 203B
<<locked>>
84%
59857
90%
**44
100%
Norma 204
<<locked>>
92%
59393
89%
**84
98%
[Norma 217]*
<<locked>>
97%
32256
48%
**67
92%
Norma MRP
<<locked>>
97%
56260
84%
**43
99%
Norma URP
<<locked>>
92%
59074
89%
**77
100%
Ramshot Big Game
<<locked>>
83%
59669
89%
**61
100%
Ramshot Hunter 👍
<<locked>>
93%
59857
90%
**17
100%
Ramshot Magnum
<<locked>>
97%
51256
77%
**08
98%
ReloadSwiss RS 14
<<locked>>
96%
35911
54%
**42
100%
ReloadSwiss RS 50
<<locked>>
85%
59683
89%
**31
100%
ReloadSwiss RS 52
<<locked>>
83%
59901
90%
**54
100%
ReloadSwiss RS 60
<<locked>>
90%
60031
90%
**56
100%
ReloadSwiss RS 62
<<locked>>
91%
59770
90%
**04
100%
ReloadSwiss RS 70
<<locked>>
92%
59350
89%
**59
100%
ReloadSwiss RS 76
<<locked>>
97%
43091
65%
**36
97%
Rottweil R 903
<<locked>>
87%
59959
90%
**28
100%
Rottweil R 904
<<locked>>
96%
59640
89%
**61
98%
Rottweil R 905
<<locked>>
97%
58349
87%
**94
99%
Rottweil R 907
<<locked>>
90%
60017
90%
**38
99%
SNPE Vectan SP 11
<<locked>>
86%
59756
90%
**67
100%
SNPE Vectan Tubal 5000
<<locked>>
86%
59698
89%
**94
100%
SNPE Vectan Tubal 7000
<<locked>>
90%
59930
90%
**89
100%
Shooters World Long Rifle
<<locked>>
90%
60046
90%
**31
100%
Shooters World Precision
<<locked>>
84%
59379
89%
**85
100%
Somchem S355
<<locked>>
87%
59582
89%
**22
100%
Somchem S361
<<locked>>
95%
59901
90%
**31
97%
Somchem S365
<<locked>>
94%
59538
89%
**94
100%
Somchem S385
<<locked>>
97%
59190
89%
**64
99%
Vihtavuori N133
<<locked>>
83%
59857
90%
**84
100%
Vihtavuori N135
<<locked>>
88%
59045
89%
**23
100%
Vihtavuori N150
<<locked>>
92%
59828
90%
**79
100%
Vihtavuori N160
<<locked>>
90%
59741
90%
**44
100%
Vihtavuori N165
<<locked>>
97%
49501
74%
**10
98%
Vihtavuori N550
<<locked>>
89%
59567
89%
**87
100%
Vihtavuori N555 👍
<<locked>>
97%
56579
85%
**71
100%
Vihtavuori N560
<<locked>>
97%
53142
80%
**77
96%
Vihtavuori N565
<<locked>>
97%
45847
69%
**33
95%
Winchester 6.5 StaBALL
<<locked>>
91%
59379
89%
**15
100%
Winchester 760
<<locked>>
87%
59495
89%
**04
100%
Winchester StaBALL HD
<<locked>>
97%
44962
67%
**54
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
51256
77%
**87
100%
[ADI AR 2209]*
<<locked>>
81%
36637
55%
**80
93%
[ADI AR 2213]*
<<locked>>
84%
36405
55%
**87
90%
[ADI AR 2217]*
<<locked>>
94%
36782
55%
**87
90%
[ADI AR 2225]*
<<locked>>
91%
30472
46%
**69
90%
Accurate 2700
<<locked>>
81%
50096
75%
**31
98%
Accurate 3100
<<locked>>
81%
33489
50%
**88
95%
Accurate 4064
<<locked>>
81%
56550
85%
**26
100%
Accurate 4350
<<locked>>
81%
43772
66%
**28
99%
[Accurate MAGPRO]*
<<locked>>
89%
40611
61%
**18
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
52663
79%
**20
100%
Alliant Reloder-15
<<locked>>
81%
55709
83%
**92
100%
Alliant Reloder-16
<<locked>>
81%
41640
62%
**21
99%
Alliant Reloder-17
<<locked>>
81%
46833
70%
**36
100%
[Alliant Reloder-19]*
<<locked>>
81%
36506
55%
**74
93%
[Alliant Reloder-22]*
<<locked>>
81%
32938
49%
**25
91%
Alliant Reloder-23
<<locked>>
81%
31734
48%
**08
98%
[Alliant Reloder-25]*
<<locked>>
81%
28268
42%
**03
92%
Alliant Reloder-26
<<locked>>
81%
34055
51%
**23
97%
Hodgdon CFE223
<<locked>>
81%
54868
82%
**12
100%
[Hodgdon H1000]*
<<locked>>
94%
36782
55%
**87
90%
Hodgdon H380
<<locked>>
81%
53679
80%
**49
100%
Hodgdon H414
<<locked>>
81%
48660
73%
**23
98%
Hodgdon H4350
<<locked>>
81%
40089
60%
**03
95%
[Hodgdon H4831]*
<<locked>>
87%
37043
56%
**70
90%
[Hodgdon H4831 SC]*
<<locked>>
83%
37043
56%
**70
90%
Hodgdon Hybrid 100V
<<locked>>
81%
39305
59%
**13
100%
Hodgdon LVR
<<locked>>
81%
45498
68%
**51
99%
[Hodgdon Retumbo]*
<<locked>>
91%
30472
46%
**69
90%
Hodgdon Superperformance
<<locked>>
81%
43845
66%
**71
97%
Hodgdon VARGET
<<locked>>
81%
51140
77%
**90
100%
Hodgdon TrailBoss
<<locked>>
90%
32198
48%
**44
100%
IMR 4064
<<locked>>
81%
50923
76%
**77
100%
IMR 4166 Enduron
<<locked>>
81%
49574
74%
**41
98%
IMR 4350
<<locked>>
81%
42076
63%
**49
96%
IMR 4451 Enduron
<<locked>>
81%
47529
71%
**38
98%
IMR 4831
<<locked>>
81%
38189
57%
**97
98%
[IMR 4955 Enduron]*
<<locked>>
82%
35940
54%
**02
90%
[IMR 7828 SSC]*
<<locked>>
83%
36085
54%
**90
90%
Lovex S062
<<locked>>
81%
54810
82%
**30
100%
Lovex S065
<<locked>>
81%
45788
69%
**02
99%
Lovex S070
<<locked>>
81%
44193
66%
**89
98%
[Lovex S071]*
<<locked>>
81%
29530
44%
**83
93%
Norma 203B
<<locked>>
81%
55042
82%
**76
100%
Norma 204
<<locked>>
81%
41771
63%
**79
95%
[Norma 217]*
<<locked>>
94%
30327
45%
**05
90%
[Norma MRP]*
<<locked>>
81%
33910
51%
**84
93%
Norma URP
<<locked>>
81%
42786
64%
**12
99%
Ramshot Big Game
<<locked>>
81%
55390
83%
**99
100%
Ramshot Hunter
<<locked>>
81%
41379
62%
**98
98%
[Ramshot Magnum]*
<<locked>>
81%
30530
46%
**46
90%
ReloadSwiss RS 14
<<locked>>
85%
31082
47%
**44
100%
ReloadSwiss RS 50
<<locked>>
81%
53316
80%
**33
99%
ReloadSwiss RS 52
<<locked>>
81%
55448
83%
**89
100%
ReloadSwiss RS 60
<<locked>>
81%
45252
68%
**26
100%
ReloadSwiss RS 62
<<locked>>
81%
43004
64%
**31
99%
ReloadSwiss RS 70
<<locked>>
81%
41263
62%
**41
99%
[ReloadSwiss RS 76]*
<<locked>>
86%
30618
46%
**02
90%
Rottweil R 903
<<locked>>
81%
50792
76%
**90
100%
[Rottweil R 904]*
<<locked>>
81%
37898
57%
**61
92%
[Rottweil R 905]*
<<locked>>
81%
35911
54%
**67
93%
Rottweil R 907
<<locked>>
81%
47166
71%
**18
97%
SNPE Vectan SP 11
<<locked>>
81%
51300
77%
**36
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
50662
76%
**79
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
44802
67%
**46
98%
Shooters World Long Rifle
<<locked>>
81%
45788
69%
**02
99%
Shooters World Precision
<<locked>>
81%
54810
82%
**30
100%
Somchem S355
<<locked>>
81%
50589
76%
**80
100%
[Somchem S361]*
<<locked>>
81%
38769
58%
**54
91%
Somchem S365
<<locked>>
81%
39378
59%
**72
100%
[Somchem S385]*
<<locked>>
81%
36985
55%
**61
94%
Vihtavuori N133
<<locked>>
81%
56376
85%
**41
100%
Vihtavuori N135
<<locked>>
81%
49429
74%
**85
100%
Vihtavuori N150
<<locked>>
81%
43743
66%
**36
100%
Vihtavuori N160
<<locked>>
81%
45847
69%
**31
99%
[Vihtavuori N165]*
<<locked>>
81%
31198
47%
**13
91%
Vihtavuori N550
<<locked>>
81%
46499
70%
**71
99%
Vihtavuori N555
<<locked>>
81%
35317
53%
**87
98%
[Vihtavuori N560]*
<<locked>>
84%
36550
55%
**26
90%
[Vihtavuori N565]*
<<locked>>
88%
35230
53%
**93
90%
Winchester 6.5 StaBALL
<<locked>>
81%
42743
64%
**66
100%
Winchester 760
<<locked>>
81%
48660
73%
**23
98%
Winchester StaBALL HD
<<locked>>
81%
28747
43%
**11
98%

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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