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Load data for 8 x 57 IRS + .323 | 180gr | Sako Powerhead

Recommended Powder(s): Alliant Reloder- TS 15.5, Bofors RP3, Hodgdon BL-C2, ReloadSwiss RS 60

8 x 57 IRS + .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 x 57 IRS load data
Case Length (l3):
2.244" | 57.0mm
Cartridge Length (C.O.L.):
<<locked>>
Seated Depth:
<<locked>>
Shank Seated Depth:
<<locked>>
Case Capacity:
64.0 Grains of Water | 4.16 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
47863 psi | 3300 bar
LID:
LID_B12014_C1173
Last updated:
2025-12-08
Recommended Twist Rate:
1:11 - 1:9

Load data for 0 loads in caliber 8 x 57 IRS with .323 | 180gr | Sako Powerhead bullet and 0 powders such as Alliant Reloder- TS 15.5, Bofors RP3, Hodgdon BL-C2, ReloadSwiss RS 60. 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>>
87%
42380
89%
**03
96%
ADI AR 2208
<<locked>>
92%
42148
88%
**80
95%
Accurate 2015
<<locked>>
83%
42728
89%
**51
100%
Accurate 2200
<<locked>>
85%
42569
89%
**64
95%
Accurate 2495
<<locked>>
88%
42627
89%
**26
100%
Accurate 2520
<<locked>>
87%
42395
89%
**26
99%
Accurate 4064 👍
<<locked>>
94%
42728
89%
**39
100%
[Accurate 4350]*
<<locked>>
96%
33852
71%
**05
92%
Alliant AR-Comp
<<locked>>
87%
42308
88%
**13
100%
Alliant Power Pro 2000-MR
<<locked>>
90%
42641
89%
**92
95%
Alliant Reloder- TS 15.5
<<locked>>
94%
42728
89%
**33
97%
Alliant Reloder-15
<<locked>>
91%
42163
88%
**20
96%
[Alliant Reloder-16]*
<<locked>>
97%
36709
77%
**34
92%
Alliant Reloder-17
<<locked>>
97%
41568
87%
**75
96%
Baschieri & Pellagri 107
<<locked>>
88%
42395
89%
**16
95%
Bofors RP3
<<locked>>
94%
43033
90%
**49
98%
Hodgdon BL-C2
<<locked>>
87%
42424
89%
**39
98%
Hodgdon Benchmark
<<locked>>
84%
42380
89%
**31
98%
Hodgdon CFE223
<<locked>>
92%
42308
88%
**52
95%
Hodgdon H322
<<locked>>
84%
43047
90%
**00
100%
[Hodgdon H380]*
<<locked>>
93%
42525
89%
**16
94%
Hodgdon H4895
<<locked>>
87%
42627
89%
**16
97%
[Hodgdon Hybrid 100V]*
<<locked>>
97%
33156
69%
**33
93%
[Hodgdon LVR]*
<<locked>>
96%
39175
82%
**74
92%
Hodgdon VARGET
<<locked>>
93%
42772
89%
**93
96%
IMR 3031 👍
<<locked>>
92%
43004
90%
**56
100%
IMR 4064
<<locked>>
94%
43062
90%
**90
96%
IMR 4895
<<locked>>
90%
42380
89%
**36
97%
IMR 8208 XBR
<<locked>>
85%
42453
89%
**77
98%
Lovex D073.6
<<locked>>
89%
42395
89%
**26
99%
Lovex S060
<<locked>>
86%
42221
88%
**28
96%
Lovex S062
<<locked>>
92%
42888
90%
**03
98%
[Lovex S065]*
<<locked>>
97%
40451
85%
**41
92%
Norma 201
<<locked>>
88%
42511
89%
**77
98%
Norma 202
<<locked>>
88%
43033
90%
**07
100%
Norma 203B
<<locked>>
92%
42482
89%
**30
96%
[Norma URP]*
<<locked>>
97%
35636
74%
**21
92%
Ramshot Big Game
<<locked>>
92%
42844
90%
**56
96%
[Ramshot TAC]*
<<locked>>
85%
42728
89%
**70
93%
Ramshot Wild Boar
<<locked>>
86%
42395
89%
**10
96%
[ReloadSwiss RS 50]*
<<locked>>
92%
42772
89%
**80
92%
ReloadSwiss RS 52
<<locked>>
90%
42380
89%
**92
96%
ReloadSwiss RS 60 👍
<<locked>>
96%
42888
90%
**15
99%
Rottweil R 901
<<locked>>
85%
42569
89%
**67
99%
Rottweil R 902
<<locked>>
90%
42685
89%
**77
98%
Rottweil R 903
<<locked>>
97%
42757
89%
**39
97%
SNPE Vectan SP 11
<<locked>>
95%
42264
88%
**49
96%
[SNPE Vectan SP 7]*
<<locked>>
87%
42873
90%
**87
94%
SNPE Vectan SP 9
<<locked>>
89%
42801
89%
**13
96%
SNPE Vectan Tubal 3000
<<locked>>
86%
42351
88%
**11
99%
SNPE Vectan Tubal 5000
<<locked>>
93%
42975
90%
**34
100%
[Shooters World Long Rifle]*
<<locked>>
97%
40451
85%
**41
92%
Shooters World Match Rifle
<<locked>>
89%
42395
89%
**26
99%
Shooters World Precision
<<locked>>
92%
42888
90%
**03
98%
Somchem S321
<<locked>>
83%
42438
89%
**00
98%
Somchem S335
<<locked>>
87%
42873
90%
**41
100%
Somchem S341
<<locked>>
87%
42337
88%
**90
96%
Somchem S355
<<locked>>
95%
42699
89%
**23
97%
[Somchem S365]*
<<locked>>
97%
32082
67%
**69
94%
Vihtavuori N133
<<locked>>
89%
42670
89%
**25
100%
Vihtavuori N135
<<locked>>
97%
42206
88%
**90
100%
Vihtavuori N140
<<locked>>
91%
42888
90%
**87
100%
Vihtavuori N150
<<locked>>
97%
37318
78%
**02
97%
[Vihtavuori N160]*
<<locked>>
97%
39494
83%
**61
93%
Vihtavuori N530
<<locked>>
84%
42612
89%
**97
98%
Vihtavuori N540 👍
<<locked>>
91%
42931
90%
**10
99%
[Vihtavuori N550]*
<<locked>>
96%
39189
82%
**03
93%
Winchester 6.5 StaBALL
<<locked>>
96%
39015
82%
**18
95%
Winchester 748 👍
<<locked>>
84%
42931
90%
**49
99%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
[ADI AR 2206H]*
<<locked>>
81%
34940
73%
**52
94%
[ADI AR 2208]*
<<locked>>
81%
29878
62%
**05
90%
Accurate 2015
<<locked>>
81%
39552
83%
**95
100%
[Accurate 2200]*
<<locked>>
81%
37086
77%
**52
93%
Accurate 2495
<<locked>>
81%
33924
71%
**62
100%
Accurate 2520
<<locked>>
81%
34809
73%
**75
98%
Accurate 4064
<<locked>>
81%
28543
60%
**38
97%
[Accurate 4350]*
<<locked>>
94%
31038
65%
**36
90%
Alliant AR-Comp
<<locked>>
81%
35027
73%
**85
100%
[Alliant Power Pro 2000-MR]*
<<locked>>
83%
33344
70%
**72
90%
[Alliant Reloder- TS 15.5]*
<<locked>>
81%
28340
59%
**15
92%
[Alliant Reloder-15]*
<<locked>>
81%
30864
64%
**74
91%
[Alliant Reloder-16]*
<<locked>>
94%
33388
70%
**49
90%
[Alliant Reloder-17]*
<<locked>>
86%
29573
62%
**80
90%
[Baschieri & Pellagri 107]*
<<locked>>
81%
33808
71%
**36
92%
[Bofors RP3]*
<<locked>>
81%
27427
57%
**15
92%
Hodgdon BL-C2
<<locked>>
81%
34940
73%
**88
96%
Hodgdon Benchmark
<<locked>>
81%
39320
82%
**79
98%
[Hodgdon CFE223]*
<<locked>>
83%
32010
67%
**16
90%
Hodgdon H322
<<locked>>
81%
38754
81%
**28
100%
[Hodgdon H380]*
<<locked>>
84%
32300
67%
**00
90%
Hodgdon H4895
<<locked>>
81%
35070
73%
**59
95%
[Hodgdon Hybrid 100V]*
<<locked>>
92%
28500
60%
**11
90%
[Hodgdon LVR]*
<<locked>>
92%
34287
72%
**69
90%
[Hodgdon VARGET]*
<<locked>>
81%
29646
62%
**98
90%
IMR 3031
<<locked>>
81%
30966
65%
**13
99%
[IMR 4064]*
<<locked>>
81%
29138
61%
**85
90%
[IMR 4895]*
<<locked>>
81%
31575
66%
**06
93%
IMR 8208 XBR
<<locked>>
81%
36927
77%
**72
96%
Lovex D073.6
<<locked>>
81%
32677
68%
**29
97%
[Lovex S060]*
<<locked>>
81%
36289
76%
**06
94%
[Lovex S062]*
<<locked>>
81%
30792
64%
**47
94%
[Lovex S065]*
<<locked>>
92%
35447
74%
**39
90%
Norma 201
<<locked>>
81%
34113
71%
**13
95%
Norma 202
<<locked>>
81%
33910
71%
**29
98%
[Norma 203B]*
<<locked>>
81%
30400
64%
**67
92%
[Norma URP]*
<<locked>>
93%
32474
68%
**39
90%
[Ramshot Big Game]*
<<locked>>
81%
30023
63%
**57
91%
[Ramshot TAC]*
<<locked>>
81%
36825
77%
**56
91%
[Ramshot Wild Boar]*
<<locked>>
81%
35679
75%
**79
94%
[ReloadSwiss RS 50]*
<<locked>>
89%
38000
79%
**88
90%
[ReloadSwiss RS 52]*
<<locked>>
81%
31531
66%
**43
91%
[ReloadSwiss RS 60]*
<<locked>>
81%
26701
56%
**01
91%
Rottweil R 901
<<locked>>
81%
38029
79%
**75
99%
Rottweil R 902
<<locked>>
81%
32460
68%
**67
95%
[Rottweil R 903]*
<<locked>>
81%
25672
54%
**56
90%
[SNPE Vectan SP 11]*
<<locked>>
83%
28979
61%
**38
90%
[SNPE Vectan SP 7]*
<<locked>>
81%
34577
72%
**23
91%
[SNPE Vectan SP 9]*
<<locked>>
81%
33315
70%
**13
93%
SNPE Vectan Tubal 3000
<<locked>>
81%
35998
75%
**90
98%
SNPE Vectan Tubal 5000
<<locked>>
81%
29066
61%
**62
97%
[Shooters World Long Rifle]*
<<locked>>
92%
35447
74%
**39
90%
Shooters World Match Rifle
<<locked>>
81%
32677
68%
**29
97%
[Shooters World Precision]*
<<locked>>
81%
30792
64%
**47
94%
Somchem S321
<<locked>>
81%
39421
82%
**41
97%
Somchem S335
<<locked>>
81%
35418
74%
**97
99%
[Somchem S341]*
<<locked>>
81%
34316
72%
**26
93%
[Somchem S355]*
<<locked>>
81%
27122
57%
**75
91%
[Somchem S365]*
<<locked>>
90%
26034
54%
**88
90%
Vihtavuori N133
<<locked>>
81%
33678
70%
**60
100%
Vihtavuori N135
<<locked>>
81%
26165
55%
**49
97%
Vihtavuori N140
<<locked>>
81%
31749
66%
**64
98%
[Vihtavuori N150]*
<<locked>>
81%
23293
49%
**47
90%
[Vihtavuori N160]*
<<locked>>
91%
32503
68%
**03
90%
Vihtavuori N530
<<locked>>
81%
38508
80%
**15
97%
Vihtavuori N540
<<locked>>
81%
31459
66%
**80
97%
[Vihtavuori N550]*
<<locked>>
90%
32343
68%
**43
90%
[Winchester 6.5 StaBALL]*
<<locked>>
87%
28964
61%
**82
90%
Winchester 748
<<locked>>
81%
38043
79%
**54
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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