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Load data for 8 x 56 R M 89 Port. Krop. + .323 | 220gr | Sierra SBT GameKing

Recommended Powder(s): Alliant Reloder-16, Alliant Reloder-17, ReloadSwiss RS 60, Somchem S365, Winchester 6.5 StaBALL

8 x 56 R M 89 Port. Krop. + .323 | 220gr | Sierra SBT GameKing

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.323 | 220gr | Sierra SBT GameKing
Manufacturer SKU:
2420
Bullet Weight:
220gr | 14.3g
Bullet Diameter:
0.323" | 8.20mm
Bullet Length:
1.390" | 35.3mm
Caliber:
8 x 56 R M 89 Port. Krop. load data
Case Length (l3):
2.193" | 55.7mm
Cartridge Length (C.O.L.):
3.141" | 79.8mm
Seated Depth:
0.442" | 11.2mm
Shank Seated Depth:
0.242" | 6.1mm
Case Capacity:
66.0 Grains of Water | 4.29 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
49313 psi | 3400 bar
LID:
LID_B5923_C1169
Last updated:
2025-01-01
Recommended Twist Rate:
1:13 - 1:11

Load data for 128 loads in caliber 8 x 56 R M 89 Port. Krop. with .323 | 220gr | Sierra SBT GameKing bullet and 64 powders such as Alliant Reloder-16, Alliant Reloder-17, ReloadSwiss RS 60, Somchem S365, Winchester 6.5 StaBALL. 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%
43947
89%
**13
99%
[ADI AR 2209]*
<<locked>>
97%
41046
83%
**13
92%
[Accurate 2700]*
<<locked>>
88%
43859
89%
**60
94%
[Accurate 3100]*
<<locked>>
97%
32735
66%
**75
93%
Accurate 4064
<<locked>>
86%
43787
89%
**23
100%
Accurate 4350
<<locked>>
95%
43743
89%
**95
98%
Alliant Reloder- TS 15.5
<<locked>>
87%
44193
90%
**49
100%
Alliant Reloder-15
<<locked>>
84%
43729
89%
**46
99%
Alliant Reloder-16 👍
<<locked>>
95%
44121
89%
**11
99%
Alliant Reloder-17 👍
<<locked>>
91%
43642
89%
**34
100%
[Alliant Reloder-19]*
<<locked>>
97%
39987
81%
**06
92%
Alliant Reloder-23
<<locked>>
97%
33025
67%
**21
97%
Alliant Reloder-26
<<locked>>
97%
35404
72%
**23
95%
Hodgdon CFE223
<<locked>>
86%
43888
89%
**85
98%
Hodgdon H380
<<locked>>
86%
43598
88%
**33
98%
Hodgdon H414
<<locked>>
90%
44208
90%
**95
96%
Hodgdon H4350
<<locked>>
96%
44251
90%
**39
95%
Hodgdon Hybrid 100V
<<locked>>
97%
42090
85%
**39
99%
Hodgdon LVR
<<locked>>
92%
43569
88%
**79
98%
Hodgdon Superperformance
<<locked>>
93%
43787
89%
**02
95%
Hodgdon VARGET
<<locked>>
87%
44237
90%
**20
99%
IMR 3031
<<locked>>
84%
44048
89%
**36
100%
IMR 4064
<<locked>>
87%
43976
89%
**06
99%
IMR 4166 Enduron
<<locked>>
88%
44309
90%
**87
96%
IMR 4350
<<locked>>
94%
44092
89%
**33
95%
IMR 4451 Enduron
<<locked>>
89%
43569
88%
**00
95%
IMR 4831
<<locked>>
97%
39740
81%
**13
98%
IMR 4895
<<locked>>
84%
44048
89%
**59
99%
Lovex S062
<<locked>>
85%
43903
89%
**13
100%
Lovex S065
<<locked>>
92%
43976
89%
**20
97%
Lovex S070
<<locked>>
93%
43816
89%
**36
96%
Norma 203B
<<locked>>
85%
44034
89%
**49
99%
[Norma 204]*
<<locked>>
94%
43801
89%
**59
93%
[Norma MRP]*
<<locked>>
97%
36303
74%
**06
92%
Norma URP
<<locked>>
95%
44048
89%
**92
98%
Ramshot Big Game
<<locked>>
85%
43830
89%
**72
99%
Ramshot Hunter
<<locked>>
95%
43845
89%
**98
97%
ReloadSwiss RS 50
<<locked>>
86%
44019
89%
**16
96%
ReloadSwiss RS 52
<<locked>>
86%
44164
90%
**85
100%
ReloadSwiss RS 60 👍
<<locked>>
92%
44048
89%
**51
100%
ReloadSwiss RS 62
<<locked>>
95%
44266
90%
**25
98%
ReloadSwiss RS 70
<<locked>>
95%
44251
90%
**31
98%
Rottweil R 902
<<locked>>
83%
43772
89%
**90
100%
Rottweil R 903
<<locked>>
89%
44092
89%
**49
100%
[Rottweil R 905]*
<<locked>>
97%
38377
78%
**83
92%
Rottweil R 907
<<locked>>
90%
44121
89%
**13
95%
SNPE Vectan SP 11
<<locked>>
88%
44106
89%
**79
99%
SNPE Vectan Tubal 5000
<<locked>>
87%
43613
88%
**31
100%
SNPE Vectan Tubal 7000
<<locked>>
92%
44324
90%
**83
96%
Shooters World Long Rifle
<<locked>>
92%
43976
89%
**20
97%
Shooters World Precision
<<locked>>
85%
43903
89%
**13
100%
Somchem S355
<<locked>>
89%
44338
90%
**39
99%
Somchem S365 👍
<<locked>>
97%
41452
84%
**92
100%
[Somchem S385]*
<<locked>>
97%
38928
79%
**87
93%
Vihtavuori N135
<<locked>>
89%
43642
89%
**77
100%
Vihtavuori N140
<<locked>>
84%
44251
90%
**90
100%
Vihtavuori N150
<<locked>>
94%
44135
89%
**13
100%
Vihtavuori N160
<<locked>>
92%
43555
88%
**46
98%
Vihtavuori N540
<<locked>>
84%
44266
90%
**16
100%
Vihtavuori N550
<<locked>>
92%
43729
89%
**92
98%
Vihtavuori N555
<<locked>>
96%
34577
70%
**77
97%
Winchester 6.5 StaBALL 👍
<<locked>>
93%
43859
89%
**39
100%
Winchester 760
<<locked>>
90%
44208
90%
**95
96%
Winchester StaBALL HD
<<locked>>
97%
28819
58%
**75
95%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
37231
76%
**92
97%
[ADI AR 2209]*
<<locked>>
94%
37536
76%
**44
90%
[Accurate 2700]*
<<locked>>
81%
35360
72%
**10
91%
[Accurate 3100]*
<<locked>>
91%
27543
56%
**54
90%
Accurate 4064
<<locked>>
81%
37652
76%
**21
100%
[Accurate 4350]*
<<locked>>
81%
27137
55%
**57
93%
Alliant Reloder- TS 15.5
<<locked>>
81%
36767
75%
**15
99%
Alliant Reloder-15
<<locked>>
81%
39276
80%
**67
98%
[Alliant Reloder-16]*
<<locked>>
81%
28631
58%
**70
93%
Alliant Reloder-17
<<locked>>
81%
31517
64%
**82
97%
[Alliant Reloder-19]*
<<locked>>
94%
36506
74%
**41
90%
[Alliant Reloder-23]*
<<locked>>
85%
22814
46%
**26
90%
[Alliant Reloder-26]*
<<locked>>
89%
27456
56%
**13
90%
Hodgdon CFE223
<<locked>>
81%
37478
76%
**67
97%
Hodgdon H380
<<locked>>
81%
36898
75%
**15
96%
[Hodgdon H414]*
<<locked>>
81%
32401
66%
**62
91%
[Hodgdon H4350]*
<<locked>>
86%
32532
66%
**10
90%
[Hodgdon Hybrid 100V]*
<<locked>>
81%
26034
53%
**91
94%
[Hodgdon LVR]*
<<locked>>
81%
30734
62%
**10
93%
[Hodgdon Superperformance]*
<<locked>>
85%
33388
68%
**92
90%
Hodgdon VARGET
<<locked>>
81%
36956
75%
**85
97%
IMR 3031
<<locked>>
81%
39943
81%
**70
100%
IMR 4064
<<locked>>
81%
36535
74%
**72
97%
[IMR 4166 Enduron]*
<<locked>>
81%
36405
74%
**36
93%
[IMR 4350]*
<<locked>>
84%
32039
65%
**96
90%
[IMR 4451 Enduron]*
<<locked>>
81%
34505
70%
**23
92%
[IMR 4831]*
<<locked>>
81%
24337
49%
**55
91%
IMR 4895
<<locked>>
81%
40132
81%
**90
99%
Lovex S062
<<locked>>
81%
38740
79%
**21
99%
[Lovex S065]*
<<locked>>
81%
31850
65%
**80
93%
[Lovex S070]*
<<locked>>
81%
29979
61%
**54
90%
Norma 203B
<<locked>>
81%
38653
78%
**57
98%
[Norma 204]*
<<locked>>
89%
36608
74%
**18
90%
[Norma MRP]*
<<locked>>
94%
33185
67%
**28
90%
[Norma URP]*
<<locked>>
81%
28166
57%
**64
93%
Ramshot Big Game
<<locked>>
81%
38000
77%
**67
98%
[Ramshot Hunter]*
<<locked>>
83%
29109
59%
**80
90%
[ReloadSwiss RS 50]*
<<locked>>
81%
37420
76%
**01
94%
ReloadSwiss RS 52
<<locked>>
81%
37159
75%
**67
99%
ReloadSwiss RS 60
<<locked>>
81%
30705
62%
**72
97%
[ReloadSwiss RS 62]*
<<locked>>
81%
27485
56%
**73
92%
[ReloadSwiss RS 70]*
<<locked>>
81%
28282
57%
**70
90%
Rottweil R 902
<<locked>>
81%
40683
83%
**41
99%
Rottweil R 903
<<locked>>
81%
33968
69%
**65
98%
[Rottweil R 905]*
<<locked>>
94%
35012
71%
**18
90%
[Rottweil R 907]*
<<locked>>
81%
32895
67%
**90
91%
SNPE Vectan SP 11
<<locked>>
81%
34896
71%
**08
97%
SNPE Vectan Tubal 5000
<<locked>>
81%
36796
75%
**23
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
81%
30690
62%
**34
91%
[Shooters World Long Rifle]*
<<locked>>
81%
31850
65%
**80
93%
Shooters World Precision
<<locked>>
81%
38740
79%
**21
99%
Somchem S355
<<locked>>
81%
34867
71%
**72
98%
Somchem S365
<<locked>>
81%
25280
51%
**21
95%
[Somchem S385]*
<<locked>>
91%
32416
66%
**52
90%
Vihtavuori N135
<<locked>>
81%
33924
69%
**19
100%
Vihtavuori N140
<<locked>>
81%
40364
82%
**24
100%
Vihtavuori N150
<<locked>>
81%
29588
60%
**44
98%
[Vihtavuori N160]*
<<locked>>
81%
30647
62%
**93
94%
Vihtavuori N540
<<locked>>
81%
39726
81%
**41
100%
[Vihtavuori N550]*
<<locked>>
81%
30719
62%
**29
94%
[Vihtavuori N555]*
<<locked>>
83%
23090
47%
**69
90%
Winchester 6.5 StaBALL
<<locked>>
81%
29385
60%
**47
96%
[Winchester 760]*
<<locked>>
81%
32401
66%
**62
91%
[Winchester StaBALL HD]*
<<locked>>
90%
23975
49%
**11
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

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