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Load data for 8 mm Rem. Mag. + .323 | 180gr | Sako Powerhead

Recommended Powder(s): Accurate 4350, Alliant Reloder-16, Hodgdon LVR, ReloadSwiss RS 62, Vihtavuori N550

8 mm Rem. Mag. + .323 | 180gr | Sako Powerhead

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.323 | 180gr | Sako Powerhead
Manufacturer SKU:
SPH323.180
Bullet Weight:
180gr | 11.7g
Bullet Diameter:
0.323" | 8.20mm
Bullet Length:
<<locked>>
Caliber:
8 mm Rem. Mag. load data
Case Length (l3):
2.850" | 72.4mm
Cartridge Length (C.O.L.):
<<locked>>
Seated Depth:
<<locked>>
Shank Seated Depth:
<<locked>>
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_B12014_C1155
Last updated:
2026-03-23
Recommended Twist Rate:
1:12 - 1:10

Load data for 220 loads in caliber 8 mm Rem. Mag. with .323 | 180gr | Sako Powerhead bullet and 110 powders such as Accurate 4350, Alliant Reloder-16, Hodgdon LVR, ReloadSwiss RS 62, Vihtavuori N550. 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".

  • No data yet

  • 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>>
86%
59625
89%
**92
100%
ADI AR 2208
<<locked>>
92%
59828
90%
**79
100%
ADI AR 2209
<<locked>>
97%
48762
73%
**77
95%
ADI Benchmark 8208
<<locked>>
85%
59959
90%
**63
100%
Accurate 2200
<<locked>>
85%
59973
90%
**76
100%
Accurate 2495
<<locked>>
85%
59611
89%
**27
100%
Accurate 2520
<<locked>>
84%
59379
89%
**59
100%
Accurate 2700
<<locked>>
92%
59698
89%
**27
98%
Accurate 3100
<<locked>>
97%
41684
62%
**30
96%
Accurate 4064
<<locked>>
90%
59408
89%
**49
100%
Accurate 4350 👍
<<locked>>
97%
58146
87%
**25
100%
Alliant AR-Comp
<<locked>>
84%
59495
89%
**04
100%
Alliant Power Pro 2000-MR
<<locked>>
88%
59683
89%
**20
100%
Alliant Reloder- TS 15.5
<<locked>>
91%
59654
89%
**92
100%
Alliant Reloder-15
<<locked>>
89%
59567
89%
**12
100%
Alliant Reloder-16 👍
<<locked>>
97%
55027
82%
**25
100%
Alliant Reloder-17
<<locked>>
94%
59843
90%
**04
100%
Alliant Reloder-19
<<locked>>
97%
48182
72%
**71
95%
[Alliant Reloder-22]*
<<locked>>
97%
42003
63%
**89
93%
Alliant Reloder-23
<<locked>>
97%
39334
59%
**43
99%
[Alliant Reloder-25]*
<<locked>>
97%
34650
52%
**31
94%
Alliant Reloder-26
<<locked>>
97%
44048
66%
**10
98%
Baschieri & Pellagri 107
<<locked>>
86%
60031
90%
**12
100%
[Bofors RP15]*
<<locked>>
97%
38566
58%
**07
92%
Bofors RP3
<<locked>>
91%
59944
90%
**02
100%
[Bofors RP5]*
<<locked>>
97%
42003
63%
**89
93%
Bofors RP7
<<locked>>
95%
59480
89%
**82
98%
Hodgdon BL-C2
<<locked>>
84%
59683
89%
**02
100%
Hodgdon Benchmark
<<locked>>
84%
59263
89%
**07
100%
Hodgdon CFE223
<<locked>>
89%
59727
90%
**45
100%
Hodgdon H322
<<locked>>
83%
59944
90%
**36
100%
Hodgdon H380
<<locked>>
90%
59611
89%
**09
100%
Hodgdon H414
<<locked>>
93%
59437
89%
**64
99%
Hodgdon H4350
<<locked>>
97%
52997
79%
**97
97%
[Hodgdon H4831 SC]*
<<locked>>
97%
45803
69%
**95
92%
Hodgdon H4895
<<locked>>
86%
59538
89%
**92
100%
Hodgdon Hybrid 100V
<<locked>>
97%
51459
77%
**97
100%
Hodgdon LVR 👍
<<locked>>
96%
59422
89%
**41
100%
Hodgdon Superperformance
<<locked>>
96%
59611
89%
**91
99%
Hodgdon VARGET
<<locked>>
92%
59480
89%
**79
100%
Hodgdon TrailBoss
<<locked>>
96%
34069
51%
**81
100%
IMR 3031
<<locked>>
88%
59277
89%
**63
100%
IMR 4064
<<locked>>
92%
59872
90%
**69
100%
IMR 4166 Enduron
<<locked>>
93%
59393
89%
**53
99%
IMR 4350
<<locked>>
97%
56072
84%
**46
98%
IMR 4451 Enduron
<<locked>>
94%
59553
89%
**79
99%
IMR 4831
<<locked>>
97%
48631
73%
**61
99%
IMR 4895
<<locked>>
88%
59393
89%
**18
100%
[IMR 4955 Enduron]*
<<locked>>
97%
45890
69%
**62
92%
[IMR 7828 SSC]*
<<locked>>
97%
44628
67%
**31
92%
IMR 8208 XBR
<<locked>>
85%
59959
90%
**63
100%
Lovex D073.6
<<locked>>
86%
59901
90%
**63
100%
Lovex S060
<<locked>>
87%
59669
89%
**30
100%
Lovex S062
<<locked>>
90%
59756
90%
**63
100%
Lovex S065
<<locked>>
96%
59582
89%
**82
100%
Lovex S070
<<locked>>
97%
58392
88%
**82
99%
[Lovex S071]*
<<locked>>
97%
34055
51%
**52
94%
Norma 201
<<locked>>
87%
59176
89%
**53
100%
Norma 202
<<locked>>
87%
59930
90%
**43
100%
Norma 203B
<<locked>>
90%
60046
90%
**22
100%
Norma 204
<<locked>>
97%
57421
86%
**09
97%
Norma MRP
<<locked>>
97%
44106
66%
**67
96%
Norma URP
<<locked>>
97%
56666
85%
**09
100%
Ramshot Big Game
<<locked>>
89%
59886
90%
**25
100%
[Ramshot Grand]*
<<locked>>
97%
46499
70%
**74
93%
Ramshot Hunter
<<locked>>
97%
55579
83%
**12
99%
[Ramshot Magnum]*
<<locked>>
97%
40190
60%
**23
93%
Ramshot TAC
<<locked>>
85%
59872
90%
**82
100%
Ramshot Wild Boar
<<locked>>
85%
59915
90%
**99
100%
ReloadSwiss RS 14
<<locked>>
96%
34548
52%
**21
100%
ReloadSwiss RS 50
<<locked>>
90%
59770
90%
**89
99%
ReloadSwiss RS 52
<<locked>>
86%
59451
89%
**71
100%
ReloadSwiss RS 60
<<locked>>
92%
59553
89%
**00
100%
ReloadSwiss RS 62 👍
<<locked>>
97%
57711
87%
**45
100%
ReloadSwiss RS 70
<<locked>>
97%
56971
85%
**77
100%
Rottweil R 901
<<locked>>
85%
59654
89%
**23
100%
Rottweil R 902
<<locked>>
89%
59263
89%
**46
100%
Rottweil R 903
<<locked>>
93%
59422
89%
**89
100%
Rottweil R 904
<<locked>>
97%
50792
76%
**64
95%
Rottweil R 905
<<locked>>
97%
46586
70%
**51
95%
Rottweil R 907
<<locked>>
95%
59480
89%
**82
98%
SNPE Vectan SP 11
<<locked>>
92%
59509
89%
**31
100%
SNPE Vectan SP 7
<<locked>>
85%
59350
89%
**79
100%
SNPE Vectan SP 9
<<locked>>
87%
59843
90%
**95
100%
SNPE Vectan Tubal 3000
<<locked>>
86%
60031
90%
**77
100%
SNPE Vectan Tubal 5000
<<locked>>
92%
59727
90%
**61
100%
SNPE Vectan Tubal 7000
<<locked>>
96%
59901
90%
**36
99%
Shooters World Long Rifle
<<locked>>
96%
59582
89%
**82
100%
Shooters World Match Rifle
<<locked>>
86%
59901
90%
**63
100%
Shooters World Precision
<<locked>>
90%
59756
90%
**63
100%
Somchem S335
<<locked>>
87%
60002
90%
**74
100%
Somchem S341
<<locked>>
85%
59640
89%
**69
100%
Somchem S355
<<locked>>
93%
59872
90%
**89
100%
[Somchem S361]*
<<locked>>
97%
52286
78%
**51
94%
Somchem S365
<<locked>>
97%
51343
77%
**56
100%
Somchem S385
<<locked>>
97%
47674
71%
**35
96%
Vihtavuori N130
<<locked>>
83%
59466
89%
**31
100%
Vihtavuori N133
<<locked>>
88%
59654
89%
**44
100%
Vihtavuori N135
<<locked>>
94%
59741
90%
**07
100%
Vihtavuori N140
<<locked>>
89%
59524
89%
**10
100%
Vihtavuori N150
<<locked>>
97%
57072
86%
**07
100%
Vihtavuori N160
<<locked>>
96%
59843
90%
**05
100%
[Vihtavuori N165]*
<<locked>>
97%
39450
59%
**57
93%
Vihtavuori N540
<<locked>>
89%
59915
90%
**49
100%
Vihtavuori N550 👍
<<locked>>
95%
59799
90%
**54
100%
Vihtavuori N555
<<locked>>
97%
43961
66%
**35
99%
Winchester 6.5 StaBALL
<<locked>>
97%
59146
89%
**69
100%
Winchester 760
<<locked>>
93%
59437
89%
**64
99%
Winchester StaBALL HD
<<locked>>
97%
35302
53%
**59
99%
Winchester Supreme 780
<<locked>>
97%
49559
74%
**58
96%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
50459
76%
**54
100%
ADI AR 2208
<<locked>>
81%
42728
64%
**94
99%
[ADI AR 2209]*
<<locked>>
87%
35752
54%
**95
90%
ADI Benchmark 8208
<<locked>>
81%
52620
79%
**51
100%
Accurate 2200
<<locked>>
81%
52591
79%
**58
99%
Accurate 2495
<<locked>>
81%
52475
79%
**38
100%
Accurate 2520
<<locked>>
81%
53316
80%
**71
100%
[Accurate 2700]*
<<locked>>
81%
41075
62%
**12
94%
[Accurate 3100]*
<<locked>>
86%
27934
42%
**92
90%
Accurate 4064
<<locked>>
81%
44295
66%
**23
100%
Accurate 4350
<<locked>>
81%
32808
49%
**43
95%
Alliant AR-Comp
<<locked>>
81%
53940
81%
**35
100%
Alliant Power Pro 2000-MR
<<locked>>
81%
46862
70%
**04
99%
Alliant Reloder- TS 15.5
<<locked>>
81%
42902
64%
**23
100%
Alliant Reloder-15
<<locked>>
81%
45774
69%
**89
99%
Alliant Reloder-16
<<locked>>
81%
33112
50%
**69
95%
Alliant Reloder-17
<<locked>>
81%
37260
56%
**94
99%
[Alliant Reloder-19]*
<<locked>>
87%
35288
53%
**92
90%
[Alliant Reloder-22]*
<<locked>>
91%
34940
52%
**25
90%
[Alliant Reloder-23]*
<<locked>>
81%
23830
36%
**97
91%
[Alliant Reloder-25]*
<<locked>>
91%
29312
44%
**70
90%
[Alliant Reloder-26]*
<<locked>>
83%
27166
41%
**48
90%
Baschieri & Pellagri 107
<<locked>>
81%
50328
75%
**64
99%
[Bofors RP15]*
<<locked>>
94%
35650
53%
**41
90%
Bofors RP3
<<locked>>
81%
42670
64%
**30
100%
[Bofors RP5]*
<<locked>>
91%
34940
52%
**25
90%
[Bofors RP7]*
<<locked>>
81%
38058
57%
**82
93%
Hodgdon BL-C2
<<locked>>
81%
53200
80%
**10
100%
Hodgdon Benchmark
<<locked>>
81%
54186
81%
**35
100%
Hodgdon CFE223
<<locked>>
81%
44802
67%
**99
99%
Hodgdon H322
<<locked>>
81%
56115
84%
**87
100%
Hodgdon H380
<<locked>>
81%
43294
65%
**30
98%
[Hodgdon H414]*
<<locked>>
81%
38798
58%
**77
94%
[Hodgdon H4350]*
<<locked>>
81%
32242
48%
**64
90%
[Hodgdon H4831 SC]*
<<locked>>
94%
41785
63%
**13
90%
Hodgdon H4895
<<locked>>
81%
50966
76%
**58
100%
Hodgdon Hybrid 100V
<<locked>>
81%
30327
45%
**61
96%
Hodgdon LVR
<<locked>>
81%
36100
54%
**15
96%
[Hodgdon Superperformance]*
<<locked>>
81%
34577
52%
**98
92%
Hodgdon VARGET
<<locked>>
81%
42540
64%
**94
99%
Hodgdon TrailBoss
<<locked>>
81%
27050
41%
**31
100%
IMR 3031
<<locked>>
81%
47021
70%
**79
100%
IMR 4064
<<locked>>
81%
42003
63%
**74
99%
IMR 4166 Enduron
<<locked>>
81%
41539
62%
**35
95%
[IMR 4350]*
<<locked>>
81%
33765
51%
**03
91%
[IMR 4451 Enduron]*
<<locked>>
81%
39552
59%
**25
94%
[IMR 4831]*
<<locked>>
81%
28921
43%
**21
93%
IMR 4895
<<locked>>
81%
47007
70%
**15
100%
[IMR 4955 Enduron]*
<<locked>>
93%
40277
60%
**41
90%
[IMR 7828 SSC]*
<<locked>>
94%
40567
61%
**36
90%
IMR 8208 XBR
<<locked>>
81%
52620
79%
**51
100%
Lovex D073.6
<<locked>>
81%
50343
75%
**28
100%
Lovex S060
<<locked>>
81%
49995
75%
**79
100%
Lovex S062
<<locked>>
81%
44846
67%
**33
100%
Lovex S065
<<locked>>
81%
36985
55%
**69
95%
[Lovex S070]*
<<locked>>
81%
35099
53%
**36
93%
[Lovex S071]*
<<locked>>
91%
27934
42%
**92
90%
Norma 201
<<locked>>
81%
49298
74%
**99
100%
Norma 202
<<locked>>
81%
49966
75%
**99
100%
Norma 203B
<<locked>>
81%
45252
68%
**76
99%
[Norma 204]*
<<locked>>
83%
35694
53%
**85
90%
[Norma MRP]*
<<locked>>
88%
32024
48%
**75
90%
Norma URP
<<locked>>
81%
33272
50%
**56
95%
Ramshot Big Game
<<locked>>
81%
45397
68%
**95
99%
[Ramshot Grand]*
<<locked>>
93%
40030
60%
**30
90%
[Ramshot Hunter]*
<<locked>>
81%
32358
49%
**26
92%
[Ramshot Magnum]*
<<locked>>
93%
34679
52%
**85
90%
Ramshot TAC
<<locked>>
81%
52939
79%
**74
99%
Ramshot Wild Boar
<<locked>>
81%
52649
79%
**87
100%
ReloadSwiss RS 14
<<locked>>
81%
27499
41%
**70
100%
ReloadSwiss RS 50
<<locked>>
81%
43816
66%
**13
97%
ReloadSwiss RS 52
<<locked>>
81%
49037
73%
**04
100%
ReloadSwiss RS 60
<<locked>>
81%
39653
59%
**59
100%
ReloadSwiss RS 62
<<locked>>
81%
32793
49%
**62
95%
[ReloadSwiss RS 70]*
<<locked>>
81%
32619
49%
**66
94%
Rottweil R 901
<<locked>>
81%
53258
80%
**28
100%
Rottweil R 902
<<locked>>
81%
46818
70%
**53
100%
Rottweil R 903
<<locked>>
81%
40132
60%
**67
99%
[Rottweil R 904]*
<<locked>>
88%
38435
58%
**18
90%
[Rottweil R 905]*
<<locked>>
88%
34490
52%
**75
90%
[Rottweil R 907]*
<<locked>>
81%
38058
57%
**82
93%
SNPE Vectan SP 11
<<locked>>
81%
41176
62%
**23
99%
SNPE Vectan SP 7
<<locked>>
81%
51503
77%
**51
99%
SNPE Vectan SP 9
<<locked>>
81%
48994
73%
**22
100%
SNPE Vectan Tubal 3000
<<locked>>
81%
50459
76%
**43
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
42177
63%
**02
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
81%
36042
54%
**07
93%
Shooters World Long Rifle
<<locked>>
81%
36985
55%
**69
95%
Shooters World Match Rifle
<<locked>>
81%
50343
75%
**28
100%
Shooters World Precision
<<locked>>
81%
44846
67%
**33
100%
Somchem S335
<<locked>>
81%
50227
75%
**40
100%
Somchem S341
<<locked>>
81%
51039
76%
**44
100%
Somchem S355
<<locked>>
81%
40814
61%
**77
99%
[Somchem S361]*
<<locked>>
90%
41089
62%
**38
90%
Somchem S365
<<locked>>
81%
29733
45%
**97
97%
[Somchem S385]*
<<locked>>
85%
31749
48%
**80
90%
Vihtavuori N130
<<locked>>
81%
55738
84%
**82
100%
Vihtavuori N133
<<locked>>
81%
47616
71%
**84
100%
Vihtavuori N135
<<locked>>
81%
39769
60%
**98
100%
Vihtavuori N140
<<locked>>
81%
46514
70%
**20
100%
Vihtavuori N150
<<locked>>
81%
34708
52%
**10
99%
Vihtavuori N160
<<locked>>
81%
36303
54%
**92
96%
[Vihtavuori N165]*
<<locked>>
92%
33214
50%
**10
90%
Vihtavuori N540
<<locked>>
81%
46412
70%
**46
100%
Vihtavuori N550
<<locked>>
81%
36782
55%
**35
96%
[Vihtavuori N555]*
<<locked>>
81%
25353
38%
**65
92%
Winchester 6.5 StaBALL
<<locked>>
81%
34447
52%
**33
98%
[Winchester 760]*
<<locked>>
81%
38798
58%
**77
94%
[Winchester StaBALL HD]*
<<locked>>
85%
23511
35%
**29
90%
[Winchester Supreme 780]*
<<locked>>
88%
35476
53%
**66
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.

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