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Load data for .375 CheyTAC + .375 | 221gr | SUS-TAC HPT

Recommended Powder(s):

.375 CheyTAC + .375 | 221gr | SUS-TAC HPT

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.375 | 221gr | SUS-TAC HPT
Manufacturer SKU:
H12924
Bullet Weight:
221gr | 14.3g
Bullet Diameter:
0.375" | 9.52mm
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_B10326_C537
Last updated:
2026-01-22

Load data for 122 loads in caliber .375 CheyTAC with .375 | 221gr | SUS-TAC HPT bullet and 61 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%
57421
90%
**27
99%
ADI AR 2213
<<locked>>
91%
57246
90%
**56
99%
ADI AR 2217
<<locked>>
97%
50923
80%
**41
98%
ADI AR 2225
<<locked>>
97%
46093
72%
**92
99%
Accurate 3100
<<locked>>
91%
57290
90%
**54
100%
Accurate 4350
<<locked>>
83%
57014
89%
**81
100%
Accurate MAGPRO
<<locked>>
91%
57363
90%
**56
97%
Alliant Reloder-16
<<locked>>
85%
57421
90%
**36
100%
Alliant Reloder-19
<<locked>>
89%
57435
90%
**23
99%
Alliant Reloder-22 👍
<<locked>>
91%
57159
90%
**53
99%
Alliant Reloder-23
<<locked>>
92%
57159
90%
**04
100%
Alliant Reloder-25 👍
<<locked>>
97%
57290
90%
**66
100%
Alliant Reloder-26
<<locked>>
88%
57392
90%
**69
100%
[Alliant Reloder-33]*
<<locked>>
97%
48356
76%
**15
93%
Baschieri & Pellagri 109
<<locked>>
93%
57435
90%
**97
96%
Bofors RP15
<<locked>>
94%
57101
89%
**50
99%
Bofors RP30
<<locked>>
97%
54259
85%
**14
99%
Bofors RP5 👍
<<locked>>
91%
57159
90%
**53
99%
Hodgdon H1000
<<locked>>
97%
50923
80%
**41
98%
Hodgdon H4350
<<locked>>
87%
57392
90%
**81
100%
Hodgdon H4831
<<locked>>
94%
57261
90%
**04
98%
Hodgdon H4831 SC
<<locked>>
90%
57261
90%
**00
98%
Hodgdon Hybrid 100V
<<locked>>
86%
57290
90%
**51
100%
Hodgdon Retumbo
<<locked>>
97%
46093
72%
**92
99%
Hodgdon TrailBoss
<<locked>>
97%
35621
56%
**11
100%
IMR 4350
<<locked>>
85%
57203
90%
**74
100%
IMR 4831
<<locked>>
88%
57363
90%
**81
100%
IMR 4955 Enduron
<<locked>>
91%
57246
90%
**71
98%
IMR 7828 SSC
<<locked>>
90%
57116
90%
**63
99%
[IMR 7977 Enduron]*
<<locked>>
96%
57246
90%
**15
92%
IMR 8133 Enduron
<<locked>>
97%
41901
66%
**81
95%
Lovex S065
<<locked>>
83%
57363
90%
**51
100%
Lovex S070
<<locked>>
84%
56942
89%
**68
100%
Lovex S071
<<locked>>
96%
57101
89%
**61
100%
Norma 204
<<locked>>
85%
57377
90%
**14
99%
Norma 217
<<locked>>
97%
42047
66%
**04
98%
Norma MRP
<<locked>>
89%
57029
89%
**66
100%
Norma URP
<<locked>>
84%
57145
90%
**94
100%
Ramshot Grand
<<locked>>
88%
57363
90%
**66
99%
Ramshot Hunter
<<locked>>
85%
57203
90%
**04
100%
Ramshot Magnum 👍
<<locked>>
92%
57392
90%
**14
100%
ReloadSwiss RS 14
<<locked>>
97%
36564
57%
**60
100%
ReloadSwiss RS 70
<<locked>>
84%
57305
90%
**53
100%
ReloadSwiss RS 76 👍
<<locked>>
96%
57188
90%
**15
100%
ReloadSwiss RS 80
<<locked>>
97%
53635
84%
**20
97%
Rottweil R 904
<<locked>>
88%
57348
90%
**81
99%
Rottweil R 905
<<locked>>
89%
57217
90%
**20
99%
SNPE Vectan Tubal 7000
<<locked>>
83%
57203
90%
**18
100%
Shooters World Long Rifle
<<locked>>
83%
57363
90%
**51
100%
Somchem S361
<<locked>>
87%
57246
90%
**35
98%
Somchem S365
<<locked>>
86%
57305
90%
**81
100%
Somchem S385
<<locked>>
89%
57087
89%
**77
100%
Vihtavuori N150
<<locked>>
84%
57058
89%
**05
100%
Vihtavuori N165
<<locked>>
94%
57000
89%
**64
100%
Vihtavuori N555
<<locked>>
90%
57319
90%
**07
100%
Vihtavuori N560
<<locked>>
91%
57392
90%
**76
98%
Vihtavuori N565
<<locked>>
95%
57421
90%
**40
98%
Vihtavuori N568
<<locked>>
97%
54157
85%
**23
97%
[Vihtavuori N570]*
<<locked>>
97%
51938
81%
**14
94%
Winchester 6.5 StaBALL
<<locked>>
83%
57159
90%
**12
100%
Winchester StaBALL HD
<<locked>>
93%
57087
89%
**86
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
44106
69%
**94
97%
[ADI AR 2213]*
<<locked>>
81%
39595
62%
**02
93%
[ADI AR 2217]*
<<locked>>
84%
32764
51%
**15
90%
[ADI AR 2225]*
<<locked>>
82%
27949
44%
**93
90%
Accurate 3100
<<locked>>
81%
40074
63%
**53
98%
Accurate 4350
<<locked>>
81%
53229
83%
**22
100%
[Accurate MAGPRO]*
<<locked>>
81%
39276
62%
**95
91%
Alliant Reloder-16
<<locked>>
81%
50575
79%
**25
100%
Alliant Reloder-19
<<locked>>
81%
44179
69%
**77
97%
Alliant Reloder-22
<<locked>>
81%
40016
63%
**18
95%
Alliant Reloder-23
<<locked>>
81%
38493
60%
**72
100%
Alliant Reloder-25
<<locked>>
81%
33315
52%
**77
97%
Alliant Reloder-26
<<locked>>
81%
43439
68%
**30
100%
[Alliant Reloder-33]*
<<locked>>
93%
41205
65%
**64
90%
[Baschieri & Pellagri 109]*
<<locked>>
82%
40001
63%
**43
90%
[Bofors RP15]*
<<locked>>
81%
37028
58%
**40
94%
[Bofors RP30]*
<<locked>>
82%
31894
50%
**12
90%
Bofors RP5
<<locked>>
81%
40016
63%
**18
95%
[Hodgdon H1000]*
<<locked>>
84%
32764
51%
**15
90%
Hodgdon H4350
<<locked>>
81%
47645
75%
**04
98%
[Hodgdon H4831]*
<<locked>>
81%
37159
58%
**00
92%
[Hodgdon H4831 SC]*
<<locked>>
81%
41510
65%
**99
94%
Hodgdon Hybrid 100V
<<locked>>
81%
47703
75%
**07
100%
[Hodgdon Retumbo]*
<<locked>>
82%
27949
44%
**93
90%
Hodgdon TrailBoss
<<locked>>
81%
28355
44%
**47
100%
IMR 4350
<<locked>>
81%
50053
78%
**49
99%
IMR 4831
<<locked>>
81%
45440
71%
**84
100%
[IMR 4955 Enduron]*
<<locked>>
81%
40973
64%
**62
94%
[IMR 7828 SSC]*
<<locked>>
81%
40654
64%
**44
94%
[IMR 7977 Enduron]*
<<locked>>
93%
51300
80%
**17
90%
[IMR 8133 Enduron]*
<<locked>>
90%
32503
51%
**41
90%
Lovex S065
<<locked>>
81%
53751
84%
**05
100%
Lovex S070
<<locked>>
81%
52098
82%
**89
100%
Lovex S071
<<locked>>
81%
34330
54%
**12
96%
Norma 204
<<locked>>
81%
50734
79%
**99
98%
[Norma 217]*
<<locked>>
86%
28442
45%
**33
90%
Norma MRP
<<locked>>
81%
42351
66%
**97
98%
Norma URP
<<locked>>
81%
51576
81%
**09
100%
Ramshot Grand
<<locked>>
81%
42844
67%
**04
96%
Ramshot Hunter
<<locked>>
81%
50763
80%
**09
100%
Ramshot Magnum
<<locked>>
81%
37492
59%
**43
96%
ReloadSwiss RS 14
<<locked>>
81%
29022
45%
**90
100%
ReloadSwiss RS 70
<<locked>>
81%
51822
81%
**58
100%
[ReloadSwiss RS 76]*
<<locked>>
81%
31792
50%
**57
93%
[ReloadSwiss RS 80]*
<<locked>>
87%
35650
56%
**36
90%
Rottweil R 904
<<locked>>
81%
45237
71%
**71
96%
Rottweil R 905
<<locked>>
81%
43511
68%
**64
97%
SNPE Vectan Tubal 7000
<<locked>>
81%
52823
83%
**43
100%
Shooters World Long Rifle
<<locked>>
81%
53751
84%
**05
100%
Somchem S361
<<locked>>
81%
46369
73%
**48
96%
Somchem S365
<<locked>>
81%
49095
77%
**66
100%
Somchem S385
<<locked>>
81%
44266
69%
**54
98%
Vihtavuori N150
<<locked>>
81%
51227
80%
**13
100%
Vihtavuori N165
<<locked>>
81%
37144
58%
**84
95%
Vihtavuori N555
<<locked>>
81%
43120
68%
**64
100%
[Vihtavuori N560]*
<<locked>>
81%
40161
63%
**25
93%
[Vihtavuori N565]*
<<locked>>
81%
34795
55%
**71
91%
[Vihtavuori N568]*
<<locked>>
86%
36680
57%
**56
90%
[Vihtavuori N570]*
<<locked>>
92%
42728
67%
**07
90%
Winchester 6.5 StaBALL
<<locked>>
81%
52837
83%
**53
100%
Winchester StaBALL HD
<<locked>>
81%
35578
56%
**05
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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