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Load data for 8 mm Rem. Mag. + .323 | 227gr | MEN SPRN

Recommended Powder(s): ADI AR 2209, Alliant Reloder-19, Alliant Reloder-22, Norma MRP, Ramshot Magnum

8 mm Rem. Mag. + .323 | 227gr | MEN SPRN

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.323 | 227gr | MEN SPRN
Bullet Weight:
227gr | 14.7g
Bullet Diameter:
0.323" | 8.20mm
Bullet Length:
1.000" | 25.4mm
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:
0.304" | 7.7mm
Shank Seated Depth:
0.304" | 7.7mm
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_B3789_C1155
Last updated:
2025-01-01

Load data for 148 loads in caliber 8 mm Rem. Mag. with .323 | 227gr | MEN SPRN bullet and 74 powders such as ADI AR 2209, Alliant Reloder-19, Alliant Reloder-22, Norma MRP, Ramshot Magnum. 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>>
83%
59437
89%
**94
100%
ADI AR 2209 👍
<<locked>>
93%
59495
89%
**92
100%
ADI AR 2213
<<locked>>
97%
59495
89%
**41
99%
ADI AR 2217
<<locked>>
97%
43874
66%
**75
97%
ADI AR 2225
<<locked>>
97%
39204
59%
**43
98%
Accurate 2700
<<locked>>
84%
59422
89%
**74
100%
Accurate 3100
<<locked>>
97%
59959
90%
**40
100%
Accurate 4350
<<locked>>
88%
59132
89%
**46
100%
Accurate MAGPRO
<<locked>>
97%
59422
89%
**51
98%
Alliant Reloder-16
<<locked>>
90%
60031
90%
**92
100%
Alliant Reloder-17
<<locked>>
85%
59712
90%
**85
100%
Alliant Reloder-19 👍
<<locked>>
94%
59611
89%
**95
100%
Alliant Reloder-22 👍
<<locked>>
97%
59988
90%
**41
100%
Alliant Reloder-23
<<locked>>
97%
56782
85%
**43
100%
Alliant Reloder-25
<<locked>>
97%
49110
74%
**03
100%
Alliant Reloder-26
<<locked>>
94%
60031
90%
**71
100%
Hodgdon H1000
<<locked>>
97%
43874
66%
**75
97%
Hodgdon H414
<<locked>>
84%
59814
90%
**85
100%
Hodgdon H4350
<<locked>>
91%
59582
89%
**33
100%
Hodgdon H4831
<<locked>>
97%
55288
83%
**20
98%
Hodgdon H4831 SC
<<locked>>
96%
60002
90%
**79
99%
Hodgdon Hybrid 100V
<<locked>>
92%
59944
90%
**13
100%
Hodgdon LVR
<<locked>>
87%
59321
89%
**53
100%
Hodgdon Retumbo
<<locked>>
97%
39204
59%
**43
98%
Hodgdon Superperformance
<<locked>>
87%
59582
89%
**08
100%
Hodgdon VARGET
<<locked>>
84%
59437
89%
**94
100%
IMR 4064
<<locked>>
84%
59828
90%
**84
100%
IMR 4166 Enduron
<<locked>>
85%
59654
89%
**97
100%
IMR 4350
<<locked>>
90%
59611
89%
**33
100%
IMR 4451 Enduron
<<locked>>
86%
59437
89%
**17
100%
IMR 4831
<<locked>>
93%
59930
90%
**43
100%
IMR 4955 Enduron
<<locked>>
96%
59915
90%
**53
99%
IMR 7828 SSC
<<locked>>
96%
59509
89%
**51
99%
[IMR 8133 Enduron]*
<<locked>>
97%
34911
52%
**34
93%
Lovex S065
<<locked>>
87%
59437
89%
**03
100%
Lovex S070
<<locked>>
88%
59582
89%
**30
100%
Lovex S071
<<locked>>
97%
50401
76%
**15
100%
Norma 204
<<locked>>
89%
59727
90%
**76
100%
Norma 217
<<locked>>
97%
35128
53%
**64
96%
Norma MRP 👍
<<locked>>
95%
60031
90%
**64
100%
Norma URP
<<locked>>
89%
59509
89%
**53
100%
Ramshot Hunter
<<locked>>
89%
59567
89%
**85
100%
Ramshot Magnum 👍
<<locked>>
97%
58610
88%
**02
100%
ReloadSwiss RS 14
<<locked>>
97%
36419
55%
**83
100%
ReloadSwiss RS 60
<<locked>>
86%
59857
90%
**12
100%
ReloadSwiss RS 62
<<locked>>
88%
59959
90%
**82
100%
ReloadSwiss RS 70
<<locked>>
89%
59451
89%
**22
100%
ReloadSwiss RS 76
<<locked>>
97%
48095
72%
**49
100%
ReloadSwiss RS 80
<<locked>>
97%
43294
65%
**38
95%
Rottweil R 903
<<locked>>
84%
59988
90%
**03
100%
Rottweil R 904
<<locked>>
93%
59509
89%
**53
99%
Rottweil R 905
<<locked>>
94%
59843
90%
**92
100%
Rottweil R 907
<<locked>>
87%
59814
90%
**20
100%
SNPE Vectan SP 11
<<locked>>
83%
59915
90%
**33
100%
SNPE Vectan Tubal 5000
<<locked>>
84%
59988
90%
**75
100%
SNPE Vectan Tubal 7000
<<locked>>
88%
59872
90%
**77
100%
Shooters World Long Rifle
<<locked>>
87%
59437
89%
**03
100%
Somchem S355
<<locked>>
84%
59451
89%
**90
100%
Somchem S361
<<locked>>
92%
59785
90%
**23
99%
Somchem S365
<<locked>>
90%
59408
89%
**49
100%
Somchem S385
<<locked>>
94%
59408
89%
**53
100%
Vihtavuori N135
<<locked>>
85%
59350
89%
**98
100%
Vihtavuori N150
<<locked>>
89%
59843
90%
**54
100%
Vihtavuori N160
<<locked>>
86%
59640
89%
**13
100%
Vihtavuori N165
<<locked>>
97%
55535
83%
**94
100%
Vihtavuori N550
<<locked>>
86%
59828
90%
**56
100%
Vihtavuori N555
<<locked>>
95%
59973
90%
**85
100%
Vihtavuori N560
<<locked>>
97%
59727
90%
**61
99%
Vihtavuori N565
<<locked>>
97%
51372
77%
**17
98%
Vihtavuori N568
<<locked>>
97%
45078
68%
**48
95%
[Vihtavuori N570]*
<<locked>>
97%
43120
65%
**31
92%
Winchester 6.5 StaBALL
<<locked>>
88%
59930
90%
**94
100%
Winchester 760
<<locked>>
84%
59814
90%
**85
100%
Winchester StaBALL HD
<<locked>>
97%
54375
81%
**31
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
55608
83%
**41
100%
ADI AR 2209
<<locked>>
81%
39479
59%
**51
96%
[ADI AR 2213]*
<<locked>>
81%
35302
53%
**88
93%
[ADI AR 2217]*
<<locked>>
86%
30647
46%
**54
90%
[ADI AR 2225]*
<<locked>>
84%
25657
38%
**49
90%
Accurate 2700
<<locked>>
81%
53650
80%
**95
100%
Accurate 3100
<<locked>>
81%
35331
53%
**33
98%
Accurate 4350
<<locked>>
81%
47427
71%
**72
100%
[Accurate MAGPRO]*
<<locked>>
81%
34098
51%
**79
90%
Alliant Reloder-16
<<locked>>
81%
45237
68%
**75
100%
Alliant Reloder-17
<<locked>>
81%
52257
78%
**90
100%
Alliant Reloder-19
<<locked>>
81%
39523
59%
**54
96%
Alliant Reloder-22
<<locked>>
81%
35186
53%
**95
95%
Alliant Reloder-23
<<locked>>
81%
33910
51%
**62
100%
Alliant Reloder-25
<<locked>>
81%
29515
44%
**77
96%
Alliant Reloder-26
<<locked>>
81%
36927
55%
**90
99%
[Hodgdon H1000]*
<<locked>>
86%
30647
46%
**54
90%
Hodgdon H414
<<locked>>
81%
53142
80%
**87
100%
Hodgdon H4350
<<locked>>
81%
43163
65%
**74
98%
[Hodgdon H4831]*
<<locked>>
81%
33141
50%
**87
91%
[Hodgdon H4831 SC]*
<<locked>>
81%
36999
55%
**79
93%
Hodgdon Hybrid 100V
<<locked>>
81%
42685
64%
**64
100%
Hodgdon LVR
<<locked>>
81%
49879
75%
**08
100%
[Hodgdon Retumbo]*
<<locked>>
84%
25657
38%
**49
90%
Hodgdon Superperformance
<<locked>>
81%
48602
73%
**44
99%
Hodgdon VARGET
<<locked>>
81%
54984
82%
**31
100%
IMR 4064
<<locked>>
81%
54650
82%
**18
100%
IMR 4166 Enduron
<<locked>>
81%
53142
80%
**02
100%
IMR 4350
<<locked>>
81%
45208
68%
**07
99%
IMR 4451 Enduron
<<locked>>
81%
51329
77%
**95
100%
IMR 4831
<<locked>>
81%
40930
61%
**48
100%
[IMR 4955 Enduron]*
<<locked>>
81%
37333
56%
**56
94%
[IMR 7828 SSC]*
<<locked>>
81%
36013
54%
**15
93%
[IMR 8133 Enduron]*
<<locked>>
92%
29907
45%
**93
90%
Lovex S065
<<locked>>
81%
48950
73%
**49
100%
Lovex S070
<<locked>>
81%
47166
71%
**46
99%
Lovex S071
<<locked>>
81%
30414
46%
**18
96%
Norma 204
<<locked>>
81%
45310
68%
**49
98%
[Norma 217]*
<<locked>>
87%
25846
39%
**88
90%
Norma MRP
<<locked>>
81%
36724
55%
**61
97%
Norma URP
<<locked>>
81%
46470
70%
**56
100%
Ramshot Hunter
<<locked>>
81%
45194
68%
**56
100%
Ramshot Magnum
<<locked>>
81%
32314
48%
**23
95%
ReloadSwiss RS 14
<<locked>>
92%
34316
51%
**47
100%
ReloadSwiss RS 60
<<locked>>
81%
50517
76%
**84
100%
ReloadSwiss RS 62
<<locked>>
81%
47152
71%
**92
100%
ReloadSwiss RS 70
<<locked>>
81%
45440
68%
**15
100%
[ReloadSwiss RS 76]*
<<locked>>
81%
27775
42%
**47
92%
[ReloadSwiss RS 80]*
<<locked>>
89%
33112
50%
**98
90%
Rottweil R 903
<<locked>>
81%
54447
82%
**21
100%
Rottweil R 904
<<locked>>
81%
40872
61%
**38
96%
Rottweil R 905
<<locked>>
81%
38696
58%
**34
96%
Rottweil R 907
<<locked>>
81%
50183
75%
**75
99%
SNPE Vectan SP 11
<<locked>>
81%
55985
84%
**80
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
54679
82%
**07
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
48153
72%
**07
99%
Shooters World Long Rifle
<<locked>>
81%
48950
73%
**49
100%
Somchem S355
<<locked>>
81%
54259
81%
**21
100%
Somchem S361
<<locked>>
81%
41568
62%
**25
95%
Somchem S365
<<locked>>
81%
43178
65%
**16
100%
Somchem S385
<<locked>>
81%
39349
59%
**18
97%
Vihtavuori N135
<<locked>>
81%
52721
79%
**13
100%
Vihtavuori N150
<<locked>>
81%
46891
70%
**77
100%
Vihtavuori N160
<<locked>>
81%
49893
75%
**82
100%
Vihtavuori N165
<<locked>>
81%
33141
50%
**83
95%
Vihtavuori N550
<<locked>>
81%
50256
75%
**21
100%
Vihtavuori N555
<<locked>>
81%
38043
57%
**31
100%
[Vihtavuori N560]*
<<locked>>
81%
35186
53%
**02
92%
[Vihtavuori N565]*
<<locked>>
81%
30124
45%
**70
90%
[Vihtavuori N568]*
<<locked>>
89%
33823
51%
**98
90%
[Vihtavuori N570]*
<<locked>>
95%
39740
60%
**56
90%
Winchester 6.5 StaBALL
<<locked>>
81%
47108
71%
**23
100%
Winchester 760
<<locked>>
81%
53142
80%
**87
100%
Winchester StaBALL HD
<<locked>>
81%
29240
44%
**75
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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