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Load data for .375 CheyTAC + .375 | 250gr | Hornady GMX

Recommended Powder(s):

.375 CheyTAC + .375 | 250gr | Hornady GMX

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.375 | 250gr | Hornady GMX
Manufacturer SKU:
3708
Bullet Weight:
250gr | 16.2g
Bullet Diameter:
0.375" | 9.52mm
Bullet Length:
1.543" | 39.2mm
Caliber:
.375 CheyTAC load data
Case Length (l3):
3.020" | 76.7mm
Cartridge Length (C.O.L.):
4.221" | 107.2mm
Seated Depth:
0.342" | 8.7mm
Shank Seated Depth:
0.122" | 3.1mm
Case Capacity:
161.0 Grains of Water | 10.45 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
63817 psi | 4400 bar
LID:
LID_B2806_C537
Last updated:
2026-01-25
Recommended Twist Rate:
1:14 - 1:12

Load data for 118 loads in caliber .375 CheyTAC with .375 | 250gr | Hornady GMX bullet and 59 powder(s). 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 2209
<<locked>>
89%
57261
90%
**89
100%
ADI AR 2213 👍
<<locked>>
91%
57203
90%
**15
99%
ADI AR 2217
<<locked>>
97%
50560
79%
**94
98%
ADI AR 2225
<<locked>>
97%
45905
72%
**58
100%
Accurate 3100
<<locked>>
91%
56956
89%
**10
100%
Accurate MAGPRO
<<locked>>
92%
57392
90%
**15
98%
Alliant Reloder-16
<<locked>>
84%
57116
90%
**79
100%
Alliant Reloder-19
<<locked>>
89%
57116
90%
**79
100%
Alliant Reloder-22
<<locked>>
91%
57072
89%
**09
100%
Alliant Reloder-23
<<locked>>
92%
57290
90%
**59
100%
Alliant Reloder-25 👍
<<locked>>
96%
57029
89%
**18
100%
Alliant Reloder-26
<<locked>>
88%
57319
90%
**28
100%
[Alliant Reloder-33]*
<<locked>>
97%
48182
75%
**97
94%
Baschieri & Pellagri 109
<<locked>>
93%
57130
90%
**53
97%
Bofors RP15 👍
<<locked>>
94%
57421
90%
**12
100%
Bofors RP30
<<locked>>
97%
53780
84%
**79
99%
Bofors RP5
<<locked>>
91%
57072
89%
**09
100%
Hodgdon H1000
<<locked>>
97%
50560
79%
**94
98%
Hodgdon H4350
<<locked>>
87%
57043
89%
**30
100%
Hodgdon H4831
<<locked>>
94%
57145
90%
**56
99%
Hodgdon H4831 SC
<<locked>>
90%
57305
90%
**63
99%
Hodgdon Hybrid 100V
<<locked>>
86%
57406
90%
**00
100%
Hodgdon Retumbo
<<locked>>
97%
45905
72%
**58
100%
Hodgdon TrailBoss
<<locked>>
97%
35868
56%
**83
100%
IMR 4350
<<locked>>
85%
57087
89%
**30
100%
IMR 4831
<<locked>>
88%
57014
89%
**27
100%
IMR 4955 Enduron
<<locked>>
91%
57261
90%
**40
99%
IMR 7828 SSC 👍
<<locked>>
90%
57319
90%
**31
99%
[IMR 7977 Enduron]*
<<locked>>
96%
57203
90%
**77
93%
IMR 8133 Enduron
<<locked>>
97%
41771
65%
**69
96%
Lovex S070
<<locked>>
84%
57334
90%
**27
100%
Lovex S071
<<locked>>
96%
56956
89%
**10
100%
Norma 204
<<locked>>
84%
57334
90%
**63
100%
Norma 217
<<locked>>
97%
42003
66%
**95
98%
Norma MRP
<<locked>>
89%
57421
90%
**28
100%
Norma URP
<<locked>>
84%
57116
90%
**46
100%
Ramshot Grand
<<locked>>
88%
57276
90%
**28
99%
Ramshot Hunter
<<locked>>
84%
57029
89%
**63
100%
Ramshot Magnum
<<locked>>
92%
56985
89%
**82
100%
ReloadSwiss RS 14
<<locked>>
97%
36695
57%
**29
100%
ReloadSwiss RS 70
<<locked>>
84%
57334
90%
**09
100%
ReloadSwiss RS 76 👍
<<locked>>
97%
57276
90%
**84
100%
ReloadSwiss RS 80
<<locked>>
97%
53388
84%
**95
98%
Rottweil R 904
<<locked>>
88%
57246
90%
**40
99%
Rottweil R 905
<<locked>>
89%
57377
90%
**76
100%
SNPE Vectan Tubal 7000
<<locked>>
83%
57087
89%
**74
100%
Somchem S361
<<locked>>
87%
57319
90%
**00
99%
Somchem S365
<<locked>>
85%
57246
90%
**36
100%
Somchem S385
<<locked>>
89%
57087
89%
**33
100%
Vihtavuori N150
<<locked>>
84%
57377
90%
**51
100%
Vihtavuori N165
<<locked>>
94%
57029
89%
**23
100%
[Vihtavuori N170]*
<<locked>>
97%
47398
74%
**72
92%
Vihtavuori N555
<<locked>>
89%
57363
90%
**56
100%
Vihtavuori N560
<<locked>>
91%
57348
90%
**35
99%
Vihtavuori N565
<<locked>>
95%
57116
89%
**09
99%
Vihtavuori N568
<<locked>>
97%
53838
84%
**95
98%
Vihtavuori N570
<<locked>>
97%
51314
80%
**69
95%
Winchester 6.5 StaBALL
<<locked>>
83%
57130
90%
**74
100%
Winchester StaBALL HD
<<locked>>
93%
57174
90%
**54
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
44411
70%
**59
98%
ADI AR 2213
<<locked>>
81%
39755
62%
**87
95%
[ADI AR 2217]*
<<locked>>
82%
30748
48%
**38
90%
[ADI AR 2225]*
<<locked>>
81%
26919
42%
**65
91%
Accurate 3100
<<locked>>
81%
40335
63%
**38
99%
[Accurate MAGPRO]*
<<locked>>
81%
39305
62%
**77
92%
Alliant Reloder-16
<<locked>>
81%
50894
80%
**94
100%
Alliant Reloder-19
<<locked>>
81%
44440
70%
**59
98%
Alliant Reloder-22
<<locked>>
81%
40176
63%
**00
97%
Alliant Reloder-23
<<locked>>
81%
38798
61%
**54
100%
Alliant Reloder-25
<<locked>>
81%
33576
53%
**69
98%
Alliant Reloder-26
<<locked>>
81%
43598
68%
**12
100%
[Alliant Reloder-33]*
<<locked>>
91%
38682
61%
**94
90%
[Baschieri & Pellagri 109]*
<<locked>>
81%
39334
62%
**05
91%
Bofors RP15
<<locked>>
81%
37449
59%
**38
95%
[Bofors RP30]*
<<locked>>
81%
30879
48%
**90
91%
Bofors RP5
<<locked>>
81%
40176
63%
**00
97%
[Hodgdon H1000]*
<<locked>>
82%
30748
48%
**38
90%
Hodgdon H4350
<<locked>>
81%
47863
75%
**72
99%
[Hodgdon H4831]*
<<locked>>
81%
37275
58%
**79
93%
Hodgdon H4831 SC
<<locked>>
81%
41568
65%
**74
95%
Hodgdon Hybrid 100V
<<locked>>
81%
47921
75%
**69
100%
[Hodgdon Retumbo]*
<<locked>>
81%
26919
42%
**65
91%
Hodgdon TrailBoss
<<locked>>
81%
28529
45%
**26
100%
IMR 4350
<<locked>>
81%
50241
79%
**18
99%
IMR 4831
<<locked>>
81%
45759
72%
**46
100%
IMR 4955 Enduron
<<locked>>
81%
41307
65%
**48
95%
IMR 7828 SSC
<<locked>>
81%
40915
64%
**30
95%
[IMR 7977 Enduron]*
<<locked>>
91%
48312
76%
**26
90%
[IMR 8133 Enduron]*
<<locked>>
88%
30342
48%
**74
90%
Lovex S070
<<locked>>
81%
52373
82%
**44
100%
Lovex S071
<<locked>>
81%
34664
54%
**10
97%
Norma 204
<<locked>>
81%
50966
80%
**58
99%
[Norma 217]*
<<locked>>
84%
26484
42%
**72
90%
Norma MRP
<<locked>>
81%
42482
67%
**66
98%
Norma URP
<<locked>>
81%
51967
81%
**67
100%
Ramshot Grand
<<locked>>
81%
42960
67%
**72
96%
Ramshot Hunter
<<locked>>
81%
50865
80%
**67
100%
Ramshot Magnum
<<locked>>
81%
37739
59%
**38
97%
ReloadSwiss RS 14
<<locked>>
81%
29124
46%
**65
100%
ReloadSwiss RS 70
<<locked>>
81%
51996
81%
**30
100%
ReloadSwiss RS 76
<<locked>>
81%
31952
50%
**59
95%
[ReloadSwiss RS 80]*
<<locked>>
85%
33431
52%
**62
90%
Rottweil R 904
<<locked>>
81%
45411
71%
**43
97%
Rottweil R 905
<<locked>>
81%
43787
69%
**43
98%
SNPE Vectan Tubal 7000
<<locked>>
81%
52968
83%
**05
100%
Somchem S361
<<locked>>
81%
46557
73%
**26
96%
Somchem S365
<<locked>>
81%
49298
77%
**18
100%
Somchem S385
<<locked>>
81%
44324
69%
**26
98%
Vihtavuori N150
<<locked>>
81%
51445
81%
**69
100%
Vihtavuori N165
<<locked>>
81%
37376
59%
**69
96%
[Vihtavuori N170]*
<<locked>>
93%
42250
66%
**71
90%
Vihtavuori N555
<<locked>>
81%
43352
68%
**36
100%
[Vihtavuori N560]*
<<locked>>
81%
40350
63%
**10
94%
[Vihtavuori N565]*
<<locked>>
81%
34925
55%
**62
92%
[Vihtavuori N568]*
<<locked>>
85%
34461
54%
**85
90%
[Vihtavuori N570]*
<<locked>>
90%
39624
62%
**33
90%
Winchester 6.5 StaBALL
<<locked>>
81%
52779
83%
**05
100%
Winchester StaBALL HD
<<locked>>
81%
35766
56%
**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.

<<locked>>... you need to buy an access license to unlock the data

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