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Load data for .408 Chey Tac + .409 | 400gr | A-Square MONO RN

Recommended Powder(s): ADI AR 2217, ADI AR 2225, Hodgdon H1000, Hodgdon Retumbo, Vihtavuori N565

.408 Chey Tac + .409 | 400gr | A-Square MONO RN

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.409 | 400gr | A-Square MONO RN
Bullet Weight:
400gr | 25.9g
Bullet Diameter:
0.409" | 10.39mm
Bullet Length:
1.560" | 39.6mm
Caliber:
.408 Chey Tac load data
Case Length (l3):
3.040" | 77.2mm
Cartridge Length (C.O.L.):
4.447" | 113.0mm
Seated Depth:
0.153" | 3.9mm
Shank Seated Depth:
0.153" | 3.9mm
Case Capacity:
169.0 Grains of Water | 10.97 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
63817 psi | 4400 bar
LID:
LID_B396_C664
Last updated:
2025-02-02

Load data for 92 loads in caliber .408 Chey Tac with .409 | 400gr | A-Square MONO RN bullet and 46 powders such as ADI AR 2217, ADI AR 2225, Hodgdon H1000, Hodgdon Retumbo, Vihtavuori N565. 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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    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.

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 2209
<<locked>>
86%
57406
90%
**61
100%
ADI AR 2213
<<locked>>
89%
57087
89%
**97
100%
ADI AR 2217 👍
<<locked>>
97%
55869
88%
**87
100%
ADI AR 2218
<<locked>>
97%
48269
76%
**64
97%
ADI AR 2225 👍
<<locked>>
97%
50705
79%
**57
100%
Accurate 3100
<<locked>>
89%
57246
90%
**05
100%
[Accurate 8700]*
<<locked>>
97%
38174
60%
**82
92%
Accurate MAGPRO
<<locked>>
89%
56956
89%
**10
99%
Alliant Reloder-19
<<locked>>
86%
57159
90%
**61
100%
Alliant Reloder-22
<<locked>>
88%
57116
89%
**87
100%
Alliant Reloder-23
<<locked>>
90%
57043
89%
**25
100%
Alliant Reloder-25
<<locked>>
94%
57421
90%
**03
100%
Alliant Reloder-26
<<locked>>
85%
57072
89%
**07
100%
Alliant Reloder-33
<<locked>>
97%
53403
84%
**20
98%
Alliant Reloder-50
<<locked>>
97%
45266
71%
**69
95%
Hodgdon H1000 👍
<<locked>>
97%
55869
88%
**87
100%
Hodgdon H4350
<<locked>>
84%
57203
90%
**05
100%
Hodgdon H4831
<<locked>>
91%
57232
90%
**54
100%
Hodgdon H4831 SC
<<locked>>
88%
57087
89%
**51
100%
Hodgdon Hybrid 100V
<<locked>>
83%
57029
89%
**62
100%
Hodgdon Retumbo 👍
<<locked>>
97%
50705
79%
**57
100%
IMR 4831
<<locked>>
85%
57377
90%
**02
100%
IMR 4955 Enduron
<<locked>>
89%
57348
90%
**21
100%
IMR 7828 SSC
<<locked>>
88%
57000
89%
**03
100%
IMR 7977 Enduron
<<locked>>
94%
57246
90%
**92
95%
IMR 8133 Enduron
<<locked>>
97%
46644
73%
**72
99%
[Lovex D100]*
<<locked>>
97%
55463
87%
**15
94%
Lovex S071
<<locked>>
94%
57261
90%
**98
100%
Norma 217
<<locked>>
97%
47572
75%
**02
100%
Norma MRP
<<locked>>
87%
57203
90%
**00
100%
Ramshot Magnum
<<locked>>
89%
57334
90%
**80
100%
ReloadSwiss RS 76
<<locked>>
94%
57232
90%
**79
100%
ReloadSwiss RS 80
<<locked>>
96%
57261
90%
**56
100%
Rottweil R 904
<<locked>>
86%
57246
90%
**28
100%
Rottweil R 905
<<locked>>
86%
57435
90%
**54
100%
[SNPE Vectan SP 13]*
<<locked>>
97%
40379
63%
**08
93%
Somchem S361
<<locked>>
85%
57334
90%
**08
100%
Somchem S385
<<locked>>
86%
57246
90%
**25
100%
Vihtavuori N165
<<locked>>
91%
57130
90%
**12
100%
Vihtavuori N170
<<locked>>
97%
51982
81%
**69
96%
Vihtavuori N555
<<locked>>
86%
57232
90%
**31
100%
Vihtavuori N560
<<locked>>
88%
57217
90%
**17
100%
Vihtavuori N565 👍
<<locked>>
92%
56985
89%
**94
100%
Vihtavuori N568
<<locked>>
96%
57072
89%
**49
99%
Vihtavuori N570
<<locked>>
97%
56985
89%
**82
98%
Winchester StaBALL HD
<<locked>>
90%
57116
90%
**13
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
48791
76%
**36
100%
ADI AR 2213
<<locked>>
81%
43903
69%
**90
98%
ADI AR 2217
<<locked>>
81%
32793
51%
**44
95%
[ADI AR 2218]*
<<locked>>
88%
35375
55%
**59
90%
ADI AR 2225
<<locked>>
81%
29979
47%
**24
97%
Accurate 3100
<<locked>>
81%
44556
70%
**11
100%
[Accurate 8700]*
<<locked>>
94%
34969
55%
**03
90%
Accurate MAGPRO
<<locked>>
81%
43729
69%
**87
97%
Alliant Reloder-19
<<locked>>
81%
48617
76%
**30
100%
Alliant Reloder-22
<<locked>>
81%
44570
70%
**87
99%
Alliant Reloder-23
<<locked>>
81%
43294
68%
**28
100%
Alliant Reloder-25
<<locked>>
81%
37478
59%
**82
100%
Alliant Reloder-26
<<locked>>
81%
48921
77%
**85
100%
[Alliant Reloder-33]*
<<locked>>
84%
32837
51%
**00
90%
[Alliant Reloder-50]*
<<locked>>
89%
34287
54%
**36
90%
Hodgdon H1000
<<locked>>
81%
32793
51%
**44
95%
Hodgdon H4350
<<locked>>
81%
51953
81%
**30
100%
Hodgdon H4831
<<locked>>
81%
41147
64%
**79
97%
Hodgdon H4831 SC
<<locked>>
81%
45672
72%
**67
98%
Hodgdon Hybrid 100V
<<locked>>
81%
52707
83%
**13
100%
Hodgdon Retumbo
<<locked>>
81%
29979
47%
**24
97%
IMR 4831
<<locked>>
81%
50212
79%
**97
100%
IMR 4955 Enduron
<<locked>>
81%
44976
70%
**28
98%
IMR 7828 SSC
<<locked>>
81%
45339
71%
**23
99%
[IMR 7977 Enduron]*
<<locked>>
83%
40234
63%
**06
90%
[IMR 8133 Enduron]*
<<locked>>
81%
27427
43%
**46
92%
[Lovex D100]*
<<locked>>
91%
44353
69%
**34
90%
Lovex S071
<<locked>>
81%
38508
60%
**06
100%
Norma 217
<<locked>>
81%
27557
43%
**62
95%
Norma MRP
<<locked>>
81%
47326
74%
**52
100%
Ramshot Magnum
<<locked>>
81%
42177
66%
**48
99%
ReloadSwiss RS 76
<<locked>>
81%
35781
56%
**95
99%
[ReloadSwiss RS 80]*
<<locked>>
81%
32532
51%
**93
93%
Rottweil R 904
<<locked>>
81%
49530
78%
**07
99%
Rottweil R 905
<<locked>>
81%
48283
76%
**16
100%
[SNPE Vectan SP 13]*
<<locked>>
93%
35230
55%
**97
90%
Somchem S361
<<locked>>
81%
50502
79%
**00
99%
Somchem S385
<<locked>>
81%
48617
76%
**93
100%
Vihtavuori N165
<<locked>>
81%
41321
65%
**65
99%
[Vihtavuori N170]*
<<locked>>
85%
36100
57%
**67
90%
Vihtavuori N555
<<locked>>
81%
48066
75%
**97
100%
Vihtavuori N560
<<locked>>
81%
44672
70%
**13
98%
Vihtavuori N565
<<locked>>
81%
39073
61%
**88
97%
[Vihtavuori N568]*
<<locked>>
81%
33968
53%
**16
93%
[Vihtavuori N570]*
<<locked>>
82%
33968
53%
**36
90%
Winchester StaBALL HD
<<locked>>
81%
41321
65%
**84
100%

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.

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