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Load data for 10.3 x 68 Mag + .411 | 300gr | Hornady InterLock FP

Recommended Powder(s): Accurate 2520, Hodgdon BL-C2, Somchem S321, Winchester 748, Winchester StaBALL Match

10.3 x 68 Mag + .411 | 300gr | Hornady InterLock FP

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.411 | 300gr | Hornady InterLock FP
Manufacturer SKU:
41050
Bullet Weight:
300gr | 19.4g
Bullet Diameter:
0.411" | 10.44mm
Bullet Length:
0.892" | 22.7mm
Caliber:
10.3 x 68 Mag load data
Case Length (l3):
2.677" | 68.0mm
Cartridge Length (C.O.L.):
3.158" | 80.2mm
Seated Depth:
0.411" | 10.4mm
Shank Seated Depth:
0.411" | 10.4mm
Case Capacity:
100.7 Grains of Water | 6.54 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
63817 psi | 4400 bar
LID:
LID_B2831_C1293
Last updated:
2025-02-02

Load data for 180 loads in caliber 10.3 x 68 Mag with .411 | 300gr | Hornady InterLock FP bullet and 90 powders such as Accurate 2520, Hodgdon BL-C2, Somchem S321, Winchester 748, Winchester StaBALL Match. 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.

    .

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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>>
97%
57406
90%
**54
99%
ADI AR 2207
<<locked>>
85%
57392
90%
**26
100%
ADI AR 2208
<<locked>>
97%
48196
76%
**03
97%
ADI AR 2219
<<locked>>
88%
57101
89%
**28
100%
Accurate 2015
<<locked>>
93%
57305
90%
**75
100%
Accurate 2200
<<locked>>
94%
56753
89%
**02
98%
Accurate 2230
<<locked>>
90%
57029
89%
**02
99%
Accurate 2460
<<locked>>
91%
57290
90%
**15
100%
Accurate 2495
<<locked>>
96%
56405
88%
**35
100%
Accurate 2520 👍
<<locked>>
95%
57058
89%
**54
100%
Accurate 4064
<<locked>>
97%
47297
74%
**30
100%
[Accurate 4350]*
<<locked>>
97%
34301
54%
**39
92%
Alliant AR-Comp
<<locked>>
96%
57029
89%
**25
100%
Alliant Reloder- TS 15.5
<<locked>>
97%
46717
73%
**23
98%
Alliant Reloder-10x
<<locked>>
90%
56898
89%
**79
100%
Alliant Reloder-15
<<locked>>
97%
50850
80%
**89
98%
[Alliant Reloder-16]*
<<locked>>
97%
36608
57%
**56
92%
Alliant Reloder-17
<<locked>>
97%
41336
65%
**90
96%
Alliant Reloder-7
<<locked>>
84%
57174
90%
**26
100%
Baschieri & Pellagri 106
<<locked>>
88%
57174
90%
**23
100%
Baschieri & Pellagri 107
<<locked>>
97%
57174
90%
**67
98%
Hodgdon BL-C2 👍
<<locked>>
95%
56768
89%
**77
100%
Hodgdon Benchmark
<<locked>>
93%
57159
90%
**82
100%
Hodgdon CFE BLK
<<locked>>
85%
57043
89%
**49
100%
Hodgdon CFE223
<<locked>>
97%
50415
79%
**05
97%
Hodgdon H322
<<locked>>
93%
57101
89%
**28
100%
Hodgdon H335
<<locked>>
88%
57188
90%
**38
100%
Hodgdon H380
<<locked>>
97%
48573
76%
**36
96%
Hodgdon H4198
<<locked>>
86%
56797
89%
**30
100%
[Hodgdon Hybrid 100V]*
<<locked>>
97%
33243
52%
**64
93%
[Hodgdon LVR]*
<<locked>>
97%
39581
62%
**11
93%
Hodgdon VARGET
<<locked>>
97%
47950
75%
**03
97%
IMR 3031
<<locked>>
97%
50212
79%
**85
100%
IMR 4064
<<locked>>
97%
46804
73%
**80
97%
[IMR 4166 Enduron]*
<<locked>>
97%
47398
74%
**41
92%
IMR 4198
<<locked>>
90%
56681
89%
**36
100%
[IMR 4451 Enduron]*
<<locked>>
97%
44628
70%
**28
91%
IMR 4895
<<locked>>
97%
52069
82%
**15
98%
IMR 8208 XBR
<<locked>>
95%
56884
89%
**18
100%
Lovex D073.4
<<locked>>
89%
57116
90%
**02
100%
Lovex D073.5
<<locked>>
91%
57290
90%
**15
100%
Lovex D073.6
<<locked>>
97%
56130
88%
**38
100%
Lovex S060
<<locked>>
96%
57377
90%
**89
99%
Lovex S062
<<locked>>
97%
49806
78%
**39
99%
[Lovex S065]*
<<locked>>
97%
40654
64%
**69
92%
Norma 200
<<locked>>
86%
57217
90%
**59
100%
Norma 201
<<locked>>
97%
55811
87%
**08
100%
Norma 202
<<locked>>
97%
55912
88%
**18
100%
Norma 203B
<<locked>>
97%
49980
78%
**79
98%
[Norma URP]*
<<locked>>
97%
36100
57%
**56
92%
Ramshot Big Game
<<locked>>
97%
50488
79%
**95
98%
Ramshot TAC
<<locked>>
94%
56724
89%
**15
97%
Ramshot Wild Boar
<<locked>>
95%
57290
90%
**61
99%
Ramshot X-Terminator
<<locked>>
92%
57029
89%
**02
99%
ReloadSwiss RS 40
<<locked>>
91%
56811
89%
**18
100%
[ReloadSwiss RS 50]*
<<locked>>
97%
49835
78%
**23
94%
ReloadSwiss RS 52
<<locked>>
97%
48907
77%
**95
99%
ReloadSwiss RS 60
<<locked>>
97%
40205
63%
**80
97%
Rottweil R 901
<<locked>>
95%
56695
89%
**98
100%
Rottweil R 902
<<locked>>
97%
52446
82%
**52
99%
Rottweil R 903
<<locked>>
97%
43352
68%
**74
97%
SNPE Vectan BA6 1/2
<<locked>>
85%
57101
89%
**90
100%
SNPE Vectan SP 10
<<locked>>
87%
57203
90%
**31
100%
SNPE Vectan SP 11
<<locked>>
97%
45658
72%
**33
97%
SNPE Vectan SP 7
<<locked>>
96%
56884
89%
**21
97%
SNPE Vectan SP 9
<<locked>>
97%
55767
87%
**35
99%
SNPE Vectan Tubal 3000
<<locked>>
96%
56681
89%
**46
100%
SNPE Vectan Tubal 5000
<<locked>>
97%
47921
75%
**38
100%
[Shooters World Long Rifle]*
<<locked>>
97%
40654
64%
**69
92%
Shooters World Match Rifle
<<locked>>
97%
56130
88%
**38
100%
Shooters World Precision
<<locked>>
97%
49806
78%
**39
99%
Shooters World Tactical Rifle
<<locked>>
89%
56797
89%
**82
99%
Somchem S321 👍
<<locked>>
92%
57000
89%
**44
100%
Somchem S335
<<locked>>
97%
57174
90%
**62
100%
Somchem S341
<<locked>>
96%
56927
89%
**31
99%
Somchem S355
<<locked>>
97%
44541
70%
**80
97%
[Somchem S365]*
<<locked>>
97%
31749
50%
**93
94%
Vihtavuori N120
<<locked>>
87%
57101
89%
**74
100%
Vihtavuori N130
<<locked>>
93%
57159
90%
**33
100%
Vihtavuori N133
<<locked>>
97%
53911
84%
**13
100%
Vihtavuori N135
<<locked>>
97%
42076
66%
**11
100%
Vihtavuori N140
<<locked>>
97%
51793
81%
**43
100%
Vihtavuori N150
<<locked>>
97%
37565
59%
**36
97%
[Vihtavuori N160]*
<<locked>>
97%
39624
62%
**88
93%
Vihtavuori N530
<<locked>>
93%
56826
89%
**31
100%
Vihtavuori N540
<<locked>>
97%
52011
81%
**72
100%
[Vihtavuori N550]*
<<locked>>
97%
39552
62%
**31
93%
Winchester 6.5 StaBALL
<<locked>>
97%
39320
62%
**52
96%
Winchester 748 👍
<<locked>>
93%
57276
90%
**74
100%
Winchester StaBALL Match 👍
<<locked>>
90%
56942
89%
**57
99%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
[ADI AR 2206H]*
<<locked>>
81%
34780
54%
**77
94%
ADI AR 2207
<<locked>>
81%
50633
79%
**48
100%
[ADI AR 2208]*
<<locked>>
81%
29675
46%
**36
90%
ADI AR 2219
<<locked>>
81%
45614
71%
**67
100%
Accurate 2015
<<locked>>
81%
39407
62%
**23
100%
[Accurate 2200]*
<<locked>>
81%
36941
58%
**80
93%
Accurate 2230
<<locked>>
81%
40915
64%
**69
97%
Accurate 2460
<<locked>>
81%
41002
64%
**82
98%
Accurate 2495
<<locked>>
81%
33649
53%
**90
100%
Accurate 2520
<<locked>>
81%
34592
54%
**00
97%
Accurate 4064
<<locked>>
81%
28442
45%
**72
97%
[Accurate 4350]*
<<locked>>
94%
30879
48%
**67
90%
Alliant AR-Comp
<<locked>>
81%
34954
55%
**13
100%
[Alliant Reloder- TS 15.5]*
<<locked>>
81%
28239
44%
**56
92%
Alliant Reloder-10x
<<locked>>
81%
43033
67%
**92
100%
[Alliant Reloder-15]*
<<locked>>
81%
30705
48%
**08
91%
[Alliant Reloder-16]*
<<locked>>
94%
33257
52%
**80
90%
[Alliant Reloder-17]*
<<locked>>
86%
29298
46%
**08
90%
Alliant Reloder-7
<<locked>>
81%
51721
81%
**64
100%
Baschieri & Pellagri 106
<<locked>>
81%
45498
71%
**75
100%
[Baschieri & Pellagri 107]*
<<locked>>
81%
33721
53%
**67
92%
Hodgdon BL-C2
<<locked>>
81%
34693
54%
**13
95%
Hodgdon Benchmark
<<locked>>
81%
39088
61%
**06
97%
Hodgdon CFE BLK
<<locked>>
81%
50270
79%
**57
99%
[Hodgdon CFE223]*
<<locked>>
83%
31720
50%
**44
90%
Hodgdon H322
<<locked>>
81%
38479
60%
**49
99%
Hodgdon H335
<<locked>>
81%
45020
71%
**67
100%
[Hodgdon H380]*
<<locked>>
85%
32547
51%
**34
90%
Hodgdon H4198
<<locked>>
81%
48486
76%
**18
100%
[Hodgdon Hybrid 100V]*
<<locked>>
92%
28427
45%
**46
90%
[Hodgdon LVR]*
<<locked>>
92%
34374
54%
**00
90%
[Hodgdon VARGET]*
<<locked>>
81%
29617
46%
**36
90%
IMR 3031
<<locked>>
81%
30472
48%
**34
99%
[IMR 4064]*
<<locked>>
81%
28964
45%
**16
90%
[IMR 4166 Enduron]*
<<locked>>
91%
40611
64%
**23
90%
IMR 4198
<<locked>>
81%
44150
69%
**69
100%
[IMR 4451 Enduron]*
<<locked>>
94%
41176
65%
**62
90%
[IMR 4895]*
<<locked>>
81%
31415
49%
**38
93%
IMR 8208 XBR
<<locked>>
81%
36753
58%
**97
96%
Lovex D073.4
<<locked>>
81%
42772
67%
**98
98%
Lovex D073.5
<<locked>>
81%
40495
63%
**72
98%
Lovex D073.6
<<locked>>
81%
32227
50%
**54
97%
[Lovex S060]*
<<locked>>
81%
35853
56%
**38
94%
[Lovex S062]*
<<locked>>
81%
30356
48%
**75
94%
[Lovex S065]*
<<locked>>
92%
35186
55%
**64
90%
Norma 200
<<locked>>
81%
48892
77%
**51
100%
Norma 201
<<locked>>
81%
34156
54%
**44
95%
Norma 202
<<locked>>
81%
33808
53%
**60
98%
[Norma 203B]*
<<locked>>
81%
30240
47%
**01
92%
[Norma URP]*
<<locked>>
93%
32358
51%
**67
90%
[Ramshot Big Game]*
<<locked>>
81%
29994
47%
**92
91%
[Ramshot TAC]*
<<locked>>
81%
36782
58%
**83
91%
[Ramshot Wild Boar]*
<<locked>>
81%
35288
55%
**00
94%
Ramshot X-Terminator
<<locked>>
81%
39929
63%
**36
95%
ReloadSwiss RS 40
<<locked>>
81%
41437
65%
**85
99%
[ReloadSwiss RS 50]*
<<locked>>
89%
38145
60%
**20
90%
[ReloadSwiss RS 52]*
<<locked>>
81%
28616
45%
**95
93%
[ReloadSwiss RS 60]*
<<locked>>
86%
28660
45%
**82
90%
Rottweil R 901
<<locked>>
81%
37724
59%
**03
98%
Rottweil R 902
<<locked>>
81%
32503
51%
**05
95%
[Rottweil R 903]*
<<locked>>
81%
25701
40%
**90
90%
SNPE Vectan BA6 1/2
<<locked>>
81%
51140
80%
**21
100%
SNPE Vectan SP 10
<<locked>>
81%
45876
72%
**74
100%
[SNPE Vectan SP 11]*
<<locked>>
82%
28718
45%
**69
90%
[SNPE Vectan SP 7]*
<<locked>>
81%
34330
54%
**47
91%
[SNPE Vectan SP 9]*
<<locked>>
81%
33112
52%
**41
93%
SNPE Vectan Tubal 3000
<<locked>>
81%
36013
56%
**28
98%
SNPE Vectan Tubal 5000
<<locked>>
81%
29211
46%
**00
97%
[Shooters World Long Rifle]*
<<locked>>
92%
35186
55%
**64
90%
Shooters World Match Rifle
<<locked>>
81%
32227
50%
**54
97%
[Shooters World Precision]*
<<locked>>
81%
30356
48%
**75
94%
Shooters World Tactical Rifle
<<locked>>
81%
43859
69%
**95
98%
Somchem S321
<<locked>>
81%
39305
62%
**69
97%
Somchem S335
<<locked>>
81%
35462
56%
**31
99%
[Somchem S341]*
<<locked>>
81%
34214
54%
**57
93%
[Somchem S355]*
<<locked>>
81%
27035
42%
**10
91%
[Somchem S365]*
<<locked>>
90%
26034
41%
**29
90%
Vihtavuori N120
<<locked>>
81%
47311
74%
**56
100%
Vihtavuori N130
<<locked>>
81%
40074
63%
**00
100%
Vihtavuori N133
<<locked>>
81%
33475
52%
**92
99%
Vihtavuori N135
<<locked>>
81%
25947
41%
**83
97%
Vihtavuori N140
<<locked>>
81%
31372
49%
**95
97%
[Vihtavuori N150]*
<<locked>>
81%
23148
36%
**85
90%
[Vihtavuori N160]*
<<locked>>
91%
32721
51%
**41
90%
Vihtavuori N530
<<locked>>
81%
38508
60%
**49
97%
Vihtavuori N540
<<locked>>
81%
31183
49%
**08
97%
[Vihtavuori N550]*
<<locked>>
90%
32227
51%
**74
90%
[Winchester 6.5 StaBALL]*
<<locked>>
87%
28413
45%
**03
90%
Winchester 748
<<locked>>
81%
37927
59%
**79
97%
Winchester StaBALL Match
<<locked>>
81%
40350
63%
**05
96%

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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