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Load data for 8 x 57 PCC + .323 | 127.7gr | Sax MJG-HSX

Recommended Powder(s): Alliant Power Pro 2000-MR, Alliant Reloder-15, IMR 4895, Ramshot Big Game, ReloadSwiss RS 60

8 x 57 PCC + .323 | 127.7gr | Sax MJG-HSX

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.323 | 127.7gr | Sax MJG-HSX
Manufacturer SKU:
G0004.11
Bullet Weight:
128gr | 8.3g
Bullet Diameter:
0.323" | 8.20mm
Bullet Length:
<<locked>>
Caliber:
8 x 57 PCC load data
Case Length (l3):
2.244" | 57.0mm
Cartridge Length (C.O.L.):
<<locked>>
Seated Depth:
<<locked>>
Shank Seated Depth:
<<locked>>
Case Capacity:
90.0 Grains of Water | 5.84 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
63817 psi | 4400 bar
LID:
LID_B12321_C1175
Last updated:
2026-03-26

Load data for 188 loads in caliber 8 x 57 PCC with .323 | 127.7gr | Sax MJG-HSX bullet and 94 powders such as Alliant Power Pro 2000-MR, Alliant Reloder-15, IMR 4895, Ramshot Big Game, 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>>
88%
56855
89%
**28
99%
ADI AR 2208
<<locked>>
93%
57116
89%
**02
99%
ADI Benchmark 8208
<<locked>>
86%
56739
89%
**86
100%
Accurate 2015
<<locked>>
84%
57406
90%
**37
100%
Accurate 2200
<<locked>>
86%
57058
89%
**89
98%
Accurate 2495
<<locked>>
86%
57029
89%
**89
100%
Accurate 2520
<<locked>>
86%
57290
90%
**12
100%
Accurate 2700
<<locked>>
94%
56811
89%
**10
95%
Accurate 4064
<<locked>>
92%
57203
90%
**02
100%
Accurate 4350
<<locked>>
97%
51256
80%
**60
97%
Alliant AR-Comp
<<locked>>
86%
57058
89%
**76
100%
Alliant Power Pro 2000-MR 👍
<<locked>>
90%
57232
90%
**56
99%
Alliant Reloder- TS 15.5
<<locked>>
93%
56956
89%
**28
100%
Alliant Reloder-15 👍
<<locked>>
91%
57421
90%
**45
99%
Alliant Reloder-16
<<locked>>
97%
49327
77%
**69
97%
Alliant Reloder-17
<<locked>>
97%
56927
89%
**33
100%
[Alliant Reloder-23]*
<<locked>>
97%
35824
56%
**41
94%
[Alliant Reloder-26]*
<<locked>>
97%
39711
62%
**82
93%
Baschieri & Pellagri 107
<<locked>>
88%
57145
90%
**35
98%
Bofors RP3
<<locked>>
93%
56855
89%
**38
100%
Bofors RP7
<<locked>>
97%
57261
90%
**79
95%
Hodgdon BL-C2
<<locked>>
86%
57159
90%
**38
100%
Hodgdon Benchmark
<<locked>>
85%
57072
89%
**56
100%
Hodgdon CFE223
<<locked>>
91%
57261
90%
**74
98%
Hodgdon H322
<<locked>>
84%
56826
89%
**92
100%
Hodgdon H380
<<locked>>
92%
57392
90%
**32
98%
Hodgdon H414
<<locked>>
96%
56869
89%
**65
96%
[Hodgdon H4350]*
<<locked>>
97%
47761
75%
**15
92%
Hodgdon H4895
<<locked>>
88%
57377
90%
**45
100%
Hodgdon Hybrid 100V
<<locked>>
97%
45890
72%
**28
98%
Hodgdon LVR
<<locked>>
97%
54505
85%
**28
97%
Hodgdon Superperformance
<<locked>>
97%
54955
86%
**45
95%
Hodgdon VARGET
<<locked>>
94%
57406
90%
**12
99%
Hodgdon TrailBoss
<<locked>>
97%
33924
53%
**23
100%
IMR 3031
<<locked>>
91%
57305
90%
**38
100%
IMR 4064
<<locked>>
94%
56855
89%
**89
99%
IMR 4166 Enduron
<<locked>>
94%
57217
90%
**60
96%
[IMR 4350]*
<<locked>>
97%
50734
80%
**74
93%
IMR 4451 Enduron
<<locked>>
96%
57363
90%
**89
96%
IMR 4831
<<locked>>
97%
43279
68%
**76
95%
IMR 4895 👍
<<locked>>
90%
56855
89%
**55
99%
IMR 8208 XBR
<<locked>>
86%
56739
89%
**86
100%
Lovex D073.6
<<locked>>
88%
57290
90%
**12
100%
Lovex S060
<<locked>>
88%
57348
90%
**60
99%
Lovex S062
<<locked>>
92%
57406
90%
**99
100%
Lovex S065
<<locked>>
97%
55085
86%
**56
97%
Lovex S070
<<locked>>
97%
52692
83%
**30
95%
Norma 201
<<locked>>
88%
57072
89%
**92
100%
Norma 202
<<locked>>
88%
57101
89%
**96
100%
Norma 203B
<<locked>>
91%
57159
90%
**45
99%
[Norma 204]*
<<locked>>
97%
51198
80%
**23
92%
Norma URP
<<locked>>
97%
50357
79%
**46
97%
Ramshot Big Game 👍
<<locked>>
91%
57290
90%
**61
99%
Ramshot Hunter
<<locked>>
97%
49429
77%
**27
95%
Ramshot TAC
<<locked>>
86%
57363
90%
**92
97%
Ramshot Wild Boar
<<locked>>
86%
57116
90%
**28
99%
Ramshot X-Terminator
<<locked>>
84%
56971
89%
**66
99%
ReloadSwiss RS 14
<<locked>>
96%
34272
54%
**72
100%
ReloadSwiss RS 50
<<locked>>
92%
57174
90%
**96
96%
ReloadSwiss RS 52
<<locked>>
89%
56840
89%
**10
99%
ReloadSwiss RS 60 👍
<<locked>>
95%
57043
89%
**60
100%
ReloadSwiss RS 62
<<locked>>
97%
50691
79%
**79
97%
ReloadSwiss RS 70
<<locked>>
97%
50676
79%
**96
96%
Rottweil R 901
<<locked>>
86%
56985
89%
**63
100%
Rottweil R 902
<<locked>>
90%
56565
89%
**66
100%
Rottweil R 903
<<locked>>
95%
57421
90%
**32
100%
Rottweil R 907
<<locked>>
97%
57261
90%
**79
95%
SNPE Vectan SP 11
<<locked>>
94%
57116
89%
**58
99%
SNPE Vectan SP 7
<<locked>>
87%
56956
89%
**92
98%
SNPE Vectan SP 9
<<locked>>
89%
56884
89%
**15
99%
SNPE Vectan Tubal 3000
<<locked>>
88%
57058
89%
**14
100%
SNPE Vectan Tubal 5000
<<locked>>
94%
57130
90%
**97
100%
SNPE Vectan Tubal 7000
<<locked>>
97%
55376
87%
**94
95%
Shooters World Long Rifle
<<locked>>
97%
55085
86%
**56
97%
Shooters World Match Rifle
<<locked>>
88%
57290
90%
**12
100%
Shooters World Precision
<<locked>>
92%
57406
90%
**99
100%
Somchem S321
<<locked>>
83%
57058
89%
**09
100%
Somchem S335
<<locked>>
88%
57029
89%
**17
100%
Somchem S341
<<locked>>
87%
57319
90%
**96
99%
Somchem S355
<<locked>>
95%
57305
90%
**19
99%
Somchem S365
<<locked>>
97%
45498
71%
**04
99%
Vihtavuori N130
<<locked>>
85%
57130
90%
**87
100%
Vihtavuori N133
<<locked>>
90%
56695
89%
**97
100%
Vihtavuori N135
<<locked>>
96%
57101
89%
**53
100%
Vihtavuori N140
<<locked>>
90%
56971
89%
**56
100%
Vihtavuori N150
<<locked>>
97%
51677
81%
**87
100%
Vihtavuori N160
<<locked>>
97%
55506
87%
**99
98%
Vihtavuori N530
<<locked>>
85%
57145
90%
**15
100%
Vihtavuori N540
<<locked>>
91%
57392
90%
**92
100%
Vihtavuori N550
<<locked>>
97%
55724
87%
**45
98%
Vihtavuori N555
<<locked>>
97%
38754
61%
**40
95%
Winchester 6.5 StaBALL
<<locked>>
97%
53200
83%
**27
99%
Winchester 748
<<locked>>
84%
57043
89%
**42
100%
Winchester 760
<<locked>>
96%
56869
89%
**65
96%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
46035
72%
**15
97%
ADI AR 2208
<<locked>>
81%
39247
61%
**22
95%
ADI Benchmark 8208
<<locked>>
81%
48153
75%
**25
99%
Accurate 2015
<<locked>>
81%
52011
81%
**48
100%
Accurate 2200
<<locked>>
81%
48240
76%
**15
96%
Accurate 2495
<<locked>>
81%
48443
76%
**48
100%
Accurate 2520
<<locked>>
81%
48196
76%
**55
100%
[Accurate 2700]*
<<locked>>
84%
42366
66%
**15
90%
Accurate 4064
<<locked>>
81%
41176
65%
**00
99%
[Accurate 4350]*
<<locked>>
83%
31865
50%
**04
90%
Alliant AR-Comp
<<locked>>
81%
48370
76%
**38
100%
Alliant Power Pro 2000-MR
<<locked>>
81%
42047
66%
**15
95%
Alliant Reloder- TS 15.5
<<locked>>
81%
38972
61%
**51
96%
Alliant Reloder-15
<<locked>>
81%
41843
66%
**23
96%
[Alliant Reloder-16]*
<<locked>>
84%
33257
52%
**36
90%
[Alliant Reloder-17]*
<<locked>>
81%
33924
53%
**82
93%
[Alliant Reloder-23]*
<<locked>>
91%
29907
47%
**38
90%
[Alliant Reloder-26]*
<<locked>>
94%
35810
56%
**64
90%
Baschieri & Pellagri 107
<<locked>>
81%
45426
71%
**09
96%
Bofors RP3
<<locked>>
81%
39073
61%
**68
97%
[Bofors RP7]*
<<locked>>
86%
41510
65%
**54
90%
Hodgdon BL-C2
<<locked>>
81%
47964
75%
**74
99%
Hodgdon Benchmark
<<locked>>
81%
49879
78%
**19
99%
[Hodgdon CFE223]*
<<locked>>
81%
40205
63%
**20
94%
Hodgdon H322
<<locked>>
81%
50763
80%
**87
100%
[Hodgdon H380]*
<<locked>>
81%
39581
62%
**54
93%
[Hodgdon H414]*
<<locked>>
85%
39769
62%
**07
90%
[Hodgdon H4350]*
<<locked>>
92%
41684
65%
**84
90%
Hodgdon H4895
<<locked>>
81%
46601
73%
**25
98%
[Hodgdon Hybrid 100V]*
<<locked>>
81%
28268
44%
**40
90%
[Hodgdon LVR]*
<<locked>>
82%
34185
54%
**46
90%
[Hodgdon Superperformance]*
<<locked>>
89%
42351
66%
**66
90%
[Hodgdon VARGET]*
<<locked>>
81%
38986
61%
**22
94%
Hodgdon TrailBoss
<<locked>>
81%
27050
42%
**49
100%
IMR 3031
<<locked>>
81%
42409
66%
**66
100%
IMR 4064
<<locked>>
81%
38479
60%
**02
95%
[IMR 4166 Enduron]*
<<locked>>
82%
39465
62%
**86
90%
[IMR 4350]*
<<locked>>
90%
41713
65%
**84
90%
[IMR 4451 Enduron]*
<<locked>>
84%
39595
62%
**18
90%
[IMR 4831]*
<<locked>>
87%
31589
49%
**67
90%
IMR 4895
<<locked>>
81%
42946
67%
**73
97%
IMR 8208 XBR
<<locked>>
81%
48153
75%
**25
99%
Lovex D073.6
<<locked>>
81%
45542
71%
**02
99%
Lovex S060
<<locked>>
81%
46180
72%
**46
97%
Lovex S062
<<locked>>
81%
41176
65%
**81
97%
[Lovex S065]*
<<locked>>
82%
35172
55%
**00
90%
[Lovex S070]*
<<locked>>
87%
38508
60%
**12
90%
Norma 201
<<locked>>
81%
45672
72%
**76
98%
Norma 202
<<locked>>
81%
45658
72%
**79
100%
Norma 203B
<<locked>>
81%
41394
65%
**17
96%
[Norma 204]*
<<locked>>
94%
47079
74%
**35
90%
[Norma URP]*
<<locked>>
83%
32343
51%
**04
90%
Ramshot Big Game
<<locked>>
81%
40712
64%
**14
96%
[Ramshot Hunter]*
<<locked>>
88%
37507
59%
**41
90%
Ramshot TAC
<<locked>>
81%
48254
76%
**22
95%
Ramshot Wild Boar
<<locked>>
81%
47877
75%
**55
98%
Ramshot X-Terminator
<<locked>>
81%
51982
81%
**81
98%
ReloadSwiss RS 14
<<locked>>
81%
27412
43%
**95
100%
[ReloadSwiss RS 50]*
<<locked>>
81%
39856
62%
**31
91%
ReloadSwiss RS 52
<<locked>>
81%
43700
68%
**41
96%
ReloadSwiss RS 60
<<locked>>
81%
35897
56%
**74
97%
[ReloadSwiss RS 62]*
<<locked>>
84%
33402
52%
**56
90%
[ReloadSwiss RS 70]*
<<locked>>
87%
36564
57%
**25
90%
Rottweil R 901
<<locked>>
81%
49676
78%
**35
100%
Rottweil R 902
<<locked>>
81%
43250
68%
**07
98%
Rottweil R 903
<<locked>>
81%
36579
57%
**89
95%
[Rottweil R 907]*
<<locked>>
86%
41510
65%
**54
90%
[SNPE Vectan SP 11]*
<<locked>>
81%
37260
58%
**35
94%
SNPE Vectan SP 7
<<locked>>
81%
46601
73%
**86
95%
SNPE Vectan SP 9
<<locked>>
81%
44701
70%
**73
97%
SNPE Vectan Tubal 3000
<<locked>>
81%
46543
73%
**23
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
38827
61%
**59
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
86%
39001
61%
**56
90%
[Shooters World Long Rifle]*
<<locked>>
82%
35172
55%
**00
90%
Shooters World Match Rifle
<<locked>>
81%
45542
71%
**02
99%
Shooters World Precision
<<locked>>
81%
41176
65%
**81
97%
Somchem S321
<<locked>>
81%
52504
82%
**27
100%
Somchem S335
<<locked>>
81%
46528
73%
**30
100%
Somchem S341
<<locked>>
81%
46224
72%
**89
97%
Somchem S355
<<locked>>
81%
37463
59%
**09
95%
[Somchem S365]*
<<locked>>
81%
27615
43%
**76
91%
Vihtavuori N130
<<locked>>
81%
51459
81%
**96
100%
Vihtavuori N133
<<locked>>
81%
43656
68%
**68
100%
Vihtavuori N135
<<locked>>
81%
36158
57%
**49
100%
Vihtavuori N140
<<locked>>
81%
42511
67%
**94
100%
Vihtavuori N150
<<locked>>
81%
31966
50%
**35
95%
[Vihtavuori N160]*
<<locked>>
81%
33054
52%
**81
90%
Vihtavuori N530
<<locked>>
81%
50647
79%
**91
99%
Vihtavuori N540
<<locked>>
81%
42554
67%
**20
99%
[Vihtavuori N550]*
<<locked>>
81%
33344
52%
**27
91%
[Vihtavuori N555]*
<<locked>>
89%
30472
48%
**90
90%
[Winchester 6.5 StaBALL]*
<<locked>>
81%
31821
50%
**18
93%
Winchester 748
<<locked>>
81%
51706
81%
**46
100%
[Winchester 760]*
<<locked>>
85%
39769
62%
**07
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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