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Load data for .375 CheyTAC + .376 | 250gr | H&N RN HS

Recommended Powder(s):

.375 CheyTAC + .376 | 250gr | H&N RN HS

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.376 | 250gr | H&N RN HS
Bullet Weight:
250gr | 16.2g
Bullet Diameter:
0.376" | 9.55mm
Bullet Length:
<<locked>>
Caliber:
.375 CheyTAC load data
Case Length (l3):
3.020" | 76.7mm
Cartridge Length (C.O.L.):
<<locked>>
Seated Depth:
<<locked>>
Shank Seated Depth:
<<locked>>
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_B7493_C537
Last updated:
2026-02-07

Load data for 128 loads in caliber .375 CheyTAC with .376 | 250gr | H&N RN HS bullet and 64 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%
57377
90%
**02
100%
ADI AR 2213
<<locked>>
92%
57363
90%
**25
99%
ADI AR 2217
<<locked>>
97%
49081
77%
**81
98%
ADI AR 2225
<<locked>>
97%
43976
69%
**28
100%
Accurate 3100
<<locked>>
93%
57232
90%
**30
100%
Accurate 4350
<<locked>>
84%
57232
90%
**56
100%
Accurate MAGPRO
<<locked>>
92%
57101
89%
**31
98%
Alliant Reloder-16
<<locked>>
85%
57072
89%
**89
100%
Alliant Reloder-19
<<locked>>
89%
57101
89%
**89
100%
Alliant Reloder-22 👍
<<locked>>
92%
57217
90%
**12
100%
Alliant Reloder-23
<<locked>>
93%
57043
89%
**66
100%
Alliant Reloder-25 👍
<<locked>>
97%
56565
89%
**15
100%
Alliant Reloder-26
<<locked>>
89%
56971
89%
**38
100%
[Alliant Reloder-33]*
<<locked>>
97%
45803
72%
**64
94%
Baschieri & Pellagri 109
<<locked>>
94%
57421
90%
**66
97%
Bofors RP15
<<locked>>
95%
57363
90%
**18
100%
Bofors RP30
<<locked>>
97%
51822
81%
**49
99%
Bofors RP5 👍
<<locked>>
92%
57217
90%
**12
100%
Bofors RP7
<<locked>>
83%
57058
89%
**33
100%
Hodgdon H1000
<<locked>>
97%
49081
77%
**81
98%
Hodgdon H4350
<<locked>>
88%
57319
90%
**40
100%
Hodgdon H4831
<<locked>>
95%
57421
90%
**76
99%
Hodgdon H4831 SC
<<locked>>
91%
57421
90%
**76
99%
Hodgdon Hybrid 100V
<<locked>>
87%
57392
90%
**17
100%
Hodgdon Retumbo
<<locked>>
97%
43976
69%
**28
100%
Hodgdon TrailBoss
<<locked>>
97%
35447
56%
**90
100%
IMR 4350
<<locked>>
86%
57261
90%
**36
100%
IMR 4831
<<locked>>
89%
57261
90%
**33
100%
IMR 4955 Enduron
<<locked>>
92%
57246
90%
**53
99%
IMR 7828 SSC 👍
<<locked>>
91%
57290
90%
**35
99%
[IMR 7977 Enduron]*
<<locked>>
97%
57348
90%
**97
93%
IMR 8133 Enduron
<<locked>>
97%
39349
62%
**10
95%
Lovex S065
<<locked>>
84%
57334
90%
**17
100%
Lovex S070
<<locked>>
85%
57014
89%
**30
100%
Lovex S071
<<locked>>
97%
55288
87%
**04
100%
Norma 204
<<locked>>
85%
57145
90%
**69
100%
Norma 217
<<locked>>
97%
39740
62%
**46
98%
Norma MRP 👍
<<locked>>
90%
57392
90%
**35
100%
Norma URP
<<locked>>
85%
57421
90%
**66
100%
Ramshot Grand
<<locked>>
89%
57087
89%
**38
99%
Ramshot Hunter
<<locked>>
85%
57101
89%
**79
100%
Ramshot Magnum
<<locked>>
92%
57058
89%
**79
100%
ReloadSwiss RS 14
<<locked>>
96%
36042
56%
**32
100%
ReloadSwiss RS 62
<<locked>>
84%
57406
90%
**66
100%
ReloadSwiss RS 70
<<locked>>
84%
57261
90%
**12
100%
ReloadSwiss RS 76
<<locked>>
97%
56347
88%
**74
100%
ReloadSwiss RS 80
<<locked>>
97%
51010
80%
**56
98%
Rottweil R 904
<<locked>>
89%
57159
90%
**49
99%
Rottweil R 905
<<locked>>
90%
57145
90%
**86
100%
Rottweil R 907
<<locked>>
83%
57058
89%
**33
100%
SNPE Vectan Tubal 7000
<<locked>>
84%
57174
90%
**77
100%
Shooters World Long Rifle
<<locked>>
84%
57334
90%
**17
100%
Somchem S361
<<locked>>
88%
57232
90%
**13
99%
Somchem S365
<<locked>>
87%
57406
90%
**46
100%
Somchem S385
<<locked>>
90%
57014
89%
**49
100%
Vihtavuori N150
<<locked>>
85%
57232
90%
**61
100%
Vihtavuori N165
<<locked>>
95%
57276
90%
**36
100%
Vihtavuori N555
<<locked>>
91%
57377
90%
**72
100%
Vihtavuori N560
<<locked>>
92%
57406
90%
**48
99%
Vihtavuori N565
<<locked>>
96%
57174
90%
**05
99%
Vihtavuori N568
<<locked>>
97%
51764
81%
**53
97%
[Vihtavuori N570]*
<<locked>>
97%
49661
78%
**40
94%
Winchester 6.5 StaBALL
<<locked>>
84%
57232
90%
**74
100%
Winchester StaBALL HD
<<locked>>
94%
57116
89%
**48
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
42540
67%
**30
97%
[ADI AR 2213]*
<<locked>>
81%
37797
59%
**57
94%
[ADI AR 2217]*
<<locked>>
84%
30487
48%
**44
90%
[ADI AR 2225]*
<<locked>>
83%
25933
41%
**39
90%
Accurate 3100
<<locked>>
81%
37014
58%
**72
98%
Accurate 4350
<<locked>>
81%
50589
79%
**58
100%
[Accurate MAGPRO]*
<<locked>>
81%
37086
58%
**35
91%
Alliant Reloder-16
<<locked>>
81%
49356
77%
**71
100%
Alliant Reloder-19
<<locked>>
81%
42395
66%
**23
97%
Alliant Reloder-22
<<locked>>
81%
38014
60%
**48
96%
Alliant Reloder-23
<<locked>>
81%
36521
57%
**12
100%
Alliant Reloder-25
<<locked>>
81%
31212
49%
**13
97%
Alliant Reloder-26
<<locked>>
81%
41176
65%
**66
100%
[Alliant Reloder-33]*
<<locked>>
93%
38493
60%
**97
90%
[Baschieri & Pellagri 109]*
<<locked>>
81%
37695
59%
**79
90%
[Bofors RP15]*
<<locked>>
81%
35056
55%
**82
94%
[Bofors RP30]*
<<locked>>
82%
29501
46%
**48
90%
Bofors RP5
<<locked>>
81%
38014
60%
**48
96%
Bofors RP7
<<locked>>
81%
53127
83%
**67
100%
[Hodgdon H1000]*
<<locked>>
84%
30487
48%
**44
90%
Hodgdon H4350
<<locked>>
81%
46166
72%
**59
99%
[Hodgdon H4831]*
<<locked>>
81%
35331
55%
**49
92%
[Hodgdon H4831 SC]*
<<locked>>
81%
39711
62%
**44
94%
Hodgdon Hybrid 100V
<<locked>>
81%
45948
72%
**40
100%
[Hodgdon Retumbo]*
<<locked>>
83%
25933
41%
**39
90%
Hodgdon TrailBoss
<<locked>>
81%
28050
44%
**29
100%
IMR 4350
<<locked>>
81%
48573
76%
**92
99%
IMR 4831
<<locked>>
81%
43366
68%
**17
100%
IMR 4955 Enduron
<<locked>>
81%
39552
62%
**25
95%
IMR 7828 SSC
<<locked>>
81%
38885
61%
**87
95%
[IMR 7977 Enduron]*
<<locked>>
91%
47297
74%
**26
90%
[IMR 8133 Enduron]*
<<locked>>
90%
30226
47%
**70
90%
Lovex S065
<<locked>>
81%
51808
81%
**38
100%
Lovex S070
<<locked>>
81%
50053
78%
**18
100%
Lovex S071
<<locked>>
81%
31386
49%
**31
96%
Norma 204
<<locked>>
81%
49226
77%
**41
99%
[Norma 217]*
<<locked>>
87%
26672
42%
**79
90%
Norma MRP
<<locked>>
81%
40277
63%
**26
98%
Norma URP
<<locked>>
81%
49821
78%
**41
100%
Ramshot Grand
<<locked>>
81%
40959
64%
**46
96%
Ramshot Hunter
<<locked>>
81%
48965
77%
**44
100%
Ramshot Magnum
<<locked>>
81%
35259
55%
**79
96%
ReloadSwiss RS 14
<<locked>>
81%
28616
45%
**72
100%
ReloadSwiss RS 62
<<locked>>
81%
51372
80%
**81
100%
ReloadSwiss RS 70
<<locked>>
81%
50227
79%
**10
100%
[ReloadSwiss RS 76]*
<<locked>>
81%
29559
46%
**77
93%
[ReloadSwiss RS 80]*
<<locked>>
87%
33199
52%
**59
90%
Rottweil R 904
<<locked>>
81%
43758
69%
**17
97%
Rottweil R 905
<<locked>>
81%
41698
65%
**10
97%
Rottweil R 907
<<locked>>
81%
53127
83%
**67
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
50807
80%
**89
100%
Shooters World Long Rifle
<<locked>>
81%
51808
81%
**38
100%
Somchem S361
<<locked>>
81%
44541
70%
**00
96%
Somchem S365
<<locked>>
81%
46920
74%
**95
100%
Somchem S385
<<locked>>
81%
42003
66%
**87
98%
Vihtavuori N150
<<locked>>
81%
49313
77%
**53
100%
Vihtavuori N165
<<locked>>
81%
35128
55%
**30
96%
Vihtavuori N555
<<locked>>
81%
40553
64%
**90
100%
[Vihtavuori N560]*
<<locked>>
81%
38116
60%
**71
94%
[Vihtavuori N565]*
<<locked>>
81%
32140
50%
**03
91%
[Vihtavuori N568]*
<<locked>>
86%
34490
54%
**82
90%
[Vihtavuori N570]*
<<locked>>
91%
39639
62%
**33
90%
Winchester 6.5 StaBALL
<<locked>>
81%
51343
80%
**02
100%
Winchester StaBALL HD
<<locked>>
81%
33257
52%
**28
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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