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Load data for .375 CheyTAC + .375 | 285gr | Speer Grand Slam

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

.375 CheyTAC + .375 | 285gr | Speer Grand Slam

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.375 | 285gr | Speer Grand Slam
Manufacturer SKU:
2473
Bullet Weight:
285gr | 18.5g
Bullet Diameter:
0.375" | 9.52mm
Bullet Length:
1.220" | 31.0mm
Caliber:
.375 CheyTAC load data
Case Length (l3):
3.020" | 76.7mm
Cartridge Length (C.O.L.):
4.118" | 104.6mm
Seated Depth:
0.122" | 3.1mm
Shank Seated Depth:
0.122" | 3.1mm
Case Capacity:
165.0 Grains of Water | 10.71 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
63817 psi | 4400 bar
LID:
LID_B6246_C537
Last updated:
2025-01-01

Load data for 96 loads in caliber .375 CheyTAC with .375 | 285gr | Speer Grand Slam bullet and 48 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>>
84%
57276
90%
**38
100%
ADI AR 2213
<<locked>>
87%
57130
90%
**71
100%
ADI AR 2217 👍
<<locked>>
95%
57406
90%
**67
100%
ADI AR 2218
<<locked>>
97%
53069
83%
**94
98%
ADI AR 2225 👍
<<locked>>
97%
55651
87%
**74
100%
Accurate 3100
<<locked>>
87%
57421
90%
**69
100%
[Accurate 8700]*
<<locked>>
97%
42119
66%
**98
94%
Accurate MAGPRO
<<locked>>
87%
57174
90%
**81
99%
Alliant Reloder-19
<<locked>>
84%
57232
90%
**31
100%
Alliant Reloder-22
<<locked>>
86%
57145
90%
**58
100%
Alliant Reloder-23
<<locked>>
88%
57319
90%
**02
100%
Alliant Reloder-25
<<locked>>
91%
57203
90%
**54
100%
Alliant Reloder-26
<<locked>>
83%
57406
90%
**74
100%
Alliant Reloder-33
<<locked>>
96%
57319
90%
**23
98%
Alliant Reloder-50
<<locked>>
97%
50778
80%
**08
97%
Hodgdon H1000 👍
<<locked>>
95%
57406
90%
**67
100%
Hodgdon H4831
<<locked>>
89%
57087
89%
**22
100%
Hodgdon H4831 SC
<<locked>>
86%
57087
89%
**22
100%
Hodgdon Retumbo 👍
<<locked>>
97%
55651
87%
**74
100%
Hodgdon TrailBoss
<<locked>>
97%
36318
57%
**01
100%
IMR 4831
<<locked>>
84%
57334
90%
**76
100%
IMR 4955 Enduron
<<locked>>
87%
57188
90%
**02
100%
IMR 7828 SSC
<<locked>>
86%
57145
90%
**77
100%
IMR 7977 Enduron
<<locked>>
92%
57174
90%
**66
95%
IMR 8133 Enduron
<<locked>>
97%
50981
80%
**95
100%
[Lovex D100]*
<<locked>>
96%
57305
90%
**95
94%
Lovex S071
<<locked>>
92%
57392
90%
**76
100%
Norma 217
<<locked>>
97%
52344
82%
**22
100%
Norma MRP
<<locked>>
84%
57000
89%
**67
100%
[Ramshot LRT]*
<<locked>>
97%
52837
83%
**28
92%
Ramshot Magnum
<<locked>>
87%
57406
90%
**31
100%
ReloadSwiss RS 14
<<locked>>
97%
37217
58%
**44
100%
ReloadSwiss RS 76
<<locked>>
91%
57421
90%
**30
100%
ReloadSwiss RS 80
<<locked>>
93%
57203
90%
**10
100%
Rottweil R 904
<<locked>>
84%
57246
90%
**08
100%
Rottweil R 905
<<locked>>
85%
57406
90%
**28
100%
[SNPE Vectan SP 13]*
<<locked>>
97%
44048
69%
**12
94%
Somchem S361
<<locked>>
83%
57174
90%
**69
100%
Somchem S385
<<locked>>
84%
57130
90%
**92
100%
[Vihtavuori 24N41]*
<<locked>>
97%
53200
83%
**89
92%
Vihtavuori N165
<<locked>>
89%
57014
89%
**79
100%
Vihtavuori N170
<<locked>>
97%
55709
87%
**89
97%
Vihtavuori N555
<<locked>>
85%
57246
90%
**99
100%
Vihtavuori N560
<<locked>>
86%
57435
90%
**94
100%
Vihtavuori N565 👍
<<locked>>
90%
57334
90%
**61
100%
Vihtavuori N568
<<locked>>
93%
57276
90%
**00
99%
Vihtavuori N570
<<locked>>
94%
57232
90%
**30
98%
Winchester StaBALL HD
<<locked>>
87%
57421
90%
**74
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
51503
81%
**56
100%
ADI AR 2213
<<locked>>
81%
46586
73%
**03
99%
ADI AR 2217
<<locked>>
81%
34664
54%
**48
95%
[ADI AR 2218]*
<<locked>>
86%
36056
56%
**16
90%
ADI AR 2225
<<locked>>
81%
32010
50%
**11
97%
Accurate 3100
<<locked>>
81%
47253
74%
**25
100%
[Accurate 8700]*
<<locked>>
92%
35404
55%
**48
90%
Accurate MAGPRO
<<locked>>
81%
46760
73%
**03
97%
Alliant Reloder-19
<<locked>>
81%
51271
80%
**36
100%
Alliant Reloder-22
<<locked>>
81%
47384
74%
**00
99%
Alliant Reloder-23
<<locked>>
81%
46064
72%
**41
100%
Alliant Reloder-25
<<locked>>
81%
40103
63%
**85
100%
Alliant Reloder-26
<<locked>>
81%
52910
83%
**05
100%
[Alliant Reloder-33]*
<<locked>>
83%
34200
54%
**61
90%
[Alliant Reloder-50]*
<<locked>>
87%
35302
55%
**80
90%
Hodgdon H1000
<<locked>>
81%
34664
54%
**48
95%
Hodgdon H4831
<<locked>>
81%
43424
68%
**95
97%
Hodgdon H4831 SC
<<locked>>
81%
48283
76%
**84
98%
Hodgdon Retumbo
<<locked>>
81%
32010
50%
**11
97%
Hodgdon TrailBoss
<<locked>>
81%
28819
45%
**47
100%
IMR 4831
<<locked>>
81%
52837
83%
**13
100%
IMR 4955 Enduron
<<locked>>
81%
47166
74%
**41
98%
IMR 7828 SSC
<<locked>>
81%
48327
76%
**40
99%
[IMR 7977 Enduron]*
<<locked>>
82%
41307
65%
**87
90%
[IMR 8133 Enduron]*
<<locked>>
81%
29370
46%
**33
92%
[Lovex D100]*
<<locked>>
89%
44831
70%
**89
90%
Lovex S071
<<locked>>
81%
40553
64%
**03
100%
Norma 217
<<locked>>
81%
29573
46%
**46
95%
Norma MRP
<<locked>>
81%
50604
79%
**69
100%
[Ramshot LRT]*
<<locked>>
94%
47268
74%
**26
90%
Ramshot Magnum
<<locked>>
81%
45614
71%
**54
100%
ReloadSwiss RS 14
<<locked>>
81%
29718
47%
**90
100%
ReloadSwiss RS 76
<<locked>>
81%
38696
61%
**12
99%
[ReloadSwiss RS 80]*
<<locked>>
81%
35476
56%
**90
94%
Rottweil R 904
<<locked>>
81%
52054
82%
**23
99%
Rottweil R 905
<<locked>>
81%
50981
80%
**33
100%
[SNPE Vectan SP 13]*
<<locked>>
91%
35882
56%
**44
90%
Somchem S361
<<locked>>
81%
53330
84%
**10
99%
Somchem S385
<<locked>>
81%
51343
80%
**07
100%
[Vihtavuori 24N41]*
<<locked>>
93%
46905
74%
**80
90%
Vihtavuori N165
<<locked>>
81%
43627
68%
**62
99%
[Vihtavuori N170]*
<<locked>>
84%
37028
58%
**31
90%
Vihtavuori N555
<<locked>>
81%
51068
80%
**13
100%
Vihtavuori N560
<<locked>>
81%
47630
75%
**23
98%
Vihtavuori N565
<<locked>>
81%
41742
65%
**92
97%
[Vihtavuori N568]*
<<locked>>
81%
36593
57%
**16
94%
[Vihtavuori N570]*
<<locked>>
81%
35244
55%
**93
90%
Winchester StaBALL HD
<<locked>>
81%
44976
70%
**97
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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