top of page

Load data for 8 x 57 IRS + .323 | 250gr | Woodleigh RN SN

Recommended Powder(s): Accurate 4350, Alliant Reloder-16, Norma URP, ReloadSwiss RS 62, Somchem S365

8 x 57 IRS + .323 | 250gr | Woodleigh RN SN

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.323 | 250gr | Woodleigh RN SN
Manufacturer SKU:
64D
Bullet Weight:
250gr | 16.2g
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_B12153_C1173
Last updated:
2026-03-25

Load data for 126 loads in caliber 8 x 57 IRS with .323 | 250gr | Woodleigh RN SN bullet and 63 powders such as Accurate 4350, Alliant Reloder-16, Norma URP, ReloadSwiss RS 62, Somchem S365. 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 2208
<<locked>>
84%
42424
89%
**26
99%
[ADI AR 2209]*
<<locked>>
96%
42598
89%
**92
94%
Accurate 2700
<<locked>>
85%
42714
89%
**93
95%
Accurate 3100
<<locked>>
97%
35737
75%
**90
96%
Accurate 4350 👍
<<locked>>
92%
42685
89%
**11
99%
Alliant Reloder- TS 15.5
<<locked>>
84%
42670
89%
**56
100%
Alliant Reloder-16 👍
<<locked>>
92%
42670
89%
**24
99%
Alliant Reloder-17
<<locked>>
89%
42989
90%
**60
100%
Alliant Reloder-19
<<locked>>
97%
42641
89%
**05
95%
[Alliant Reloder-22]*
<<locked>>
97%
36883
77%
**42
92%
Alliant Reloder-23
<<locked>>
97%
34563
72%
**10
99%
[Alliant Reloder-25]*
<<locked>>
97%
30966
65%
**28
93%
Alliant Reloder-26
<<locked>>
97%
38218
80%
**38
98%
Bofors RP3
<<locked>>
84%
42772
89%
**69
100%
[Bofors RP5]*
<<locked>>
97%
36883
77%
**42
92%
Bofors RP7
<<locked>>
87%
42424
89%
**26
96%
Hodgdon CFE223
<<locked>>
83%
43062
90%
**08
99%
Hodgdon H380
<<locked>>
83%
42206
88%
**56
98%
Hodgdon H414
<<locked>>
87%
42641
89%
**11
97%
Hodgdon H4350
<<locked>>
93%
42830
89%
**59
96%
Hodgdon Hybrid 100V
<<locked>>
95%
42482
89%
**85
100%
Hodgdon LVR
<<locked>>
90%
43004
90%
**01
98%
Hodgdon Superperformance
<<locked>>
90%
42873
90%
**34
96%
Hodgdon VARGET
<<locked>>
84%
42902
90%
**33
99%
IMR 4064
<<locked>>
84%
42496
89%
**19
99%
IMR 4166 Enduron
<<locked>>
85%
42931
90%
**03
96%
IMR 4350
<<locked>>
91%
42482
89%
**49
96%
IMR 4451 Enduron
<<locked>>
86%
42815
89%
**33
96%
IMR 4831
<<locked>>
97%
42641
89%
**01
99%
[IMR 4955 Enduron]*
<<locked>>
96%
40567
85%
**06
91%
Lovex S065
<<locked>>
88%
42482
89%
**36
98%
Lovex S070
<<locked>>
90%
42525
89%
**56
97%
[Lovex S071]*
<<locked>>
97%
30052
63%
**75
93%
[Norma 204]*
<<locked>>
92%
43062
90%
**95
94%
Norma MRP
<<locked>>
97%
38334
80%
**05
95%
Norma URP 👍
<<locked>>
92%
42757
89%
**11
99%
Ramshot Hunter
<<locked>>
93%
42496
89%
**15
97%
ReloadSwiss RS 50
<<locked>>
83%
42801
89%
**42
97%
ReloadSwiss RS 60
<<locked>>
86%
42395
89%
**51
100%
ReloadSwiss RS 62 👍
<<locked>>
92%
42772
89%
**41
99%
ReloadSwiss RS 70
<<locked>>
92%
42888
90%
**54
98%
Rottweil R 903
<<locked>>
86%
42598
89%
**62
100%
[Rottweil R 904]*
<<locked>>
95%
42830
89%
**59
93%
[Rottweil R 905]*
<<locked>>
97%
41278
86%
**88
94%
Rottweil R 907
<<locked>>
87%
42424
89%
**26
96%
SNPE Vectan SP 11
<<locked>>
86%
43033
90%
**98
100%
SNPE Vectan Tubal 5000
<<locked>>
84%
42815
89%
**60
100%
SNPE Vectan Tubal 7000
<<locked>>
89%
43062
90%
**06
97%
Shooters World Long Rifle
<<locked>>
88%
42482
89%
**36
98%
Somchem S355
<<locked>>
85%
42612
89%
**49
100%
[Somchem S361]*
<<locked>>
95%
42931
90%
**39
92%
Somchem S365 👍
<<locked>>
96%
42627
89%
**44
100%
Somchem S385
<<locked>>
97%
41321
86%
**69
95%
Vihtavuori N135
<<locked>>
86%
42728
89%
**96
100%
Vihtavuori N150
<<locked>>
90%
42337
88%
**23
100%
Vihtavuori N160
<<locked>>
89%
42859
90%
**78
99%
[Vihtavuori N165]*
<<locked>>
96%
34476
72%
**31
92%
Vihtavuori N550
<<locked>>
89%
43047
90%
**11
99%
Vihtavuori N555
<<locked>>
97%
37884
79%
**78
99%
Winchester 6.5 StaBALL
<<locked>>
91%
42583
89%
**62
100%
Winchester 760
<<locked>>
87%
42641
89%
**11
97%
Winchester StaBALL HD
<<locked>>
97%
30937
65%
**10
98%
[Winchester Supreme 780]*
<<locked>>
96%
42583
89%
**75
94%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
39291
82%
**77
99%
[ADI AR 2209]*
<<locked>>
88%
33344
70%
**18
90%
[Accurate 2700]*
<<locked>>
81%
37376
78%
**01
94%
[Accurate 3100]*
<<locked>>
86%
24947
52%
**54
90%
Accurate 4350
<<locked>>
81%
29501
62%
**69
95%
Alliant Reloder- TS 15.5
<<locked>>
81%
38624
81%
**90
100%
Alliant Reloder-16
<<locked>>
81%
30400
64%
**78
96%
Alliant Reloder-17
<<locked>>
81%
33562
70%
**83
99%
[Alliant Reloder-19]*
<<locked>>
88%
32242
67%
**01
90%
[Alliant Reloder-22]*
<<locked>>
93%
32256
67%
**44
90%
[Alliant Reloder-23]*
<<locked>>
81%
21843
46%
**75
92%
[Alliant Reloder-25]*
<<locked>>
92%
26716
56%
**13
90%
[Alliant Reloder-26]*
<<locked>>
84%
24932
52%
**09
90%
Bofors RP3
<<locked>>
81%
38624
81%
**03
100%
[Bofors RP5]*
<<locked>>
93%
32256
67%
**44
90%
[Bofors RP7]*
<<locked>>
81%
34969
73%
**91
93%
Hodgdon CFE223
<<locked>>
81%
39943
83%
**56
99%
Hodgdon H380
<<locked>>
81%
39218
82%
**03
98%
[Hodgdon H414]*
<<locked>>
81%
34476
72%
**60
94%
[Hodgdon H4350]*
<<locked>>
81%
29472
62%
**96
90%
Hodgdon Hybrid 100V
<<locked>>
81%
27717
58%
**96
96%
Hodgdon LVR
<<locked>>
81%
32721
68%
**14
96%
[Hodgdon Superperformance]*
<<locked>>
81%
31227
65%
**01
91%
Hodgdon VARGET
<<locked>>
81%
39088
82%
**73
99%
IMR 4064
<<locked>>
81%
38537
81%
**54
99%
IMR 4166 Enduron
<<locked>>
81%
38276
80%
**24
95%
[IMR 4350]*
<<locked>>
81%
30719
64%
**26
91%
[IMR 4451 Enduron]*
<<locked>>
81%
36187
76%
**14
94%
[IMR 4831]*
<<locked>>
81%
26005
54%
**70
94%
[IMR 4955 Enduron]*
<<locked>>
94%
37478
78%
**57
90%
Lovex S065
<<locked>>
81%
33779
71%
**82
95%
[Lovex S070]*
<<locked>>
81%
31966
67%
**59
93%
[Lovex S071]*
<<locked>>
91%
24642
51%
**44
90%
[Norma 204]*
<<locked>>
84%
33083
69%
**05
90%
[Norma MRP]*
<<locked>>
88%
29501
62%
**01
90%
Norma URP
<<locked>>
81%
30081
63%
**69
95%
[Ramshot Hunter]*
<<locked>>
81%
29327
61%
**52
92%
ReloadSwiss RS 50
<<locked>>
81%
39624
83%
**87
96%
ReloadSwiss RS 60
<<locked>>
81%
35694
75%
**33
100%
ReloadSwiss RS 62
<<locked>>
81%
29167
61%
**78
95%
[ReloadSwiss RS 70]*
<<locked>>
81%
29544
62%
**78
93%
Rottweil R 903
<<locked>>
81%
36260
76%
**54
99%
[Rottweil R 904]*
<<locked>>
90%
35998
75%
**37
90%
[Rottweil R 905]*
<<locked>>
88%
31502
66%
**98
90%
[Rottweil R 907]*
<<locked>>
81%
34969
73%
**91
93%
SNPE Vectan SP 11
<<locked>>
81%
37072
77%
**96
99%
SNPE Vectan Tubal 5000
<<locked>>
81%
38783
81%
**01
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
81%
32663
68%
**29
93%
Shooters World Long Rifle
<<locked>>
81%
33779
71%
**82
95%
Somchem S355
<<locked>>
81%
37086
77%
**57
99%
[Somchem S361]*
<<locked>>
91%
38363
80%
**60
90%
Somchem S365
<<locked>>
81%
26803
56%
**29
98%
[Somchem S385]*
<<locked>>
85%
28587
60%
**23
90%
Vihtavuori N135
<<locked>>
81%
36376
76%
**01
100%
Vihtavuori N150
<<locked>>
81%
31517
66%
**39
99%
Vihtavuori N160
<<locked>>
81%
32503
68%
**91
96%
[Vihtavuori N165]*
<<locked>>
93%
30879
65%
**55
90%
Vihtavuori N550
<<locked>>
81%
32822
69%
**24
96%
[Vihtavuori N555]*
<<locked>>
81%
22858
48%
**34
92%
Winchester 6.5 StaBALL
<<locked>>
81%
31169
65%
**52
98%
[Winchester 760]*
<<locked>>
81%
34476
72%
**60
94%
[Winchester StaBALL HD]*
<<locked>>
85%
21625
45%
**08
90%
[Winchester Supreme 780]*
<<locked>>
89%
33127
69%
**98
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.

<<locked>>... you need to buy an access license to unlock the data

bottom of page