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Load data for .375 CheyTAC + .375 | 300gr | A-Square MONO RN

Recommended Powder(s): ADI AR 2217, Hodgdon H1000, Norma 217, ReloadSwiss RS 80, Vihtavuori N568

.375 CheyTAC + .375 | 300gr | A-Square MONO RN

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.375 | 300gr | A-Square MONO RN
Bullet Weight:
300gr | 19.4g
Bullet Diameter:
0.375" | 9.52mm
Bullet Length:
1.150" | 29.2mm
Caliber:
.375 CheyTAC load data
Case Length (l3):
3.020" | 76.7mm
Cartridge Length (C.O.L.):
4.048" | 102.8mm
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_B393_C537
Last updated:
2025-01-01

Load data for 90 loads in caliber .375 CheyTAC with .375 | 300gr | A-Square MONO RN bullet and 45 powders such as ADI AR 2217, Hodgdon H1000, Norma 217, ReloadSwiss RS 80, Vihtavuori N568. 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 2213
<<locked>>
86%
57348
90%
**18
100%
ADI AR 2217 👍
<<locked>>
94%
57290
90%
**05
100%
ADI AR 2218
<<locked>>
97%
55811
87%
**97
99%
ADI AR 2225
<<locked>>
96%
57363
90%
**35
100%
Accurate 3100
<<locked>>
85%
57174
90%
**13
100%
Accurate 8700
<<locked>>
97%
44309
69%
**89
95%
Accurate MAGPRO
<<locked>>
85%
57305
90%
**18
99%
Alliant Reloder-19
<<locked>>
83%
57014
89%
**72
100%
Alliant Reloder-22
<<locked>>
85%
57145
90%
**02
100%
Alliant Reloder-23
<<locked>>
86%
57000
89%
**30
100%
Alliant Reloder-25
<<locked>>
90%
57435
90%
**02
100%
Alliant Reloder-33
<<locked>>
95%
57145
90%
**64
99%
Alliant Reloder-50
<<locked>>
97%
53882
84%
**05
98%
Hodgdon H1000 👍
<<locked>>
94%
57290
90%
**05
100%
Hodgdon H4831
<<locked>>
88%
57305
90%
**72
100%
Hodgdon H4831 SC
<<locked>>
85%
57305
90%
**72
100%
Hodgdon Retumbo
<<locked>>
96%
57363
90%
**35
100%
[Hodgdon US 869]*
<<locked>>
97%
49255
77%
**61
92%
Hodgdon TrailBoss
<<locked>>
97%
36448
57%
**59
100%
IMR 4955 Enduron
<<locked>>
86%
57406
90%
**40
100%
IMR 7828 SSC
<<locked>>
84%
57232
90%
**25
100%
IMR 7977 Enduron
<<locked>>
91%
57290
90%
**20
96%
IMR 8133 Enduron
<<locked>>
97%
53795
84%
**85
100%
Lovex D100
<<locked>>
94%
57290
90%
**40
95%
Lovex S071
<<locked>>
90%
57334
90%
**10
100%
Norma 217 👍
<<locked>>
97%
55245
87%
**08
100%
Norma MRP
<<locked>>
83%
57188
90%
**12
100%
[Ramshot LRT]*
<<locked>>
97%
55288
87%
**12
94%
Ramshot Magnum
<<locked>>
86%
57188
90%
**76
100%
ReloadSwiss RS 14
<<locked>>
97%
37391
59%
**01
100%
ReloadSwiss RS 76
<<locked>>
90%
57261
90%
**64
100%
ReloadSwiss RS 80 👍
<<locked>>
92%
57232
90%
**48
100%
Rottweil R 905
<<locked>>
83%
57246
90%
**69
100%
SNPE Vectan SP 13
<<locked>>
97%
46369
73%
**12
95%
Somchem S385
<<locked>>
83%
57072
89%
**33
100%
[Vihtavuori 20N29]*
<<locked>>
97%
44686
70%
**89
93%
[Vihtavuori 24N41]*
<<locked>>
97%
55927
88%
**85
94%
Vihtavuori N165
<<locked>>
88%
57363
90%
**26
100%
Vihtavuori N170
<<locked>>
96%
57319
90%
**59
97%
Vihtavuori N555
<<locked>>
83%
57319
90%
**36
100%
Vihtavuori N560
<<locked>>
85%
57203
90%
**28
100%
Vihtavuori N565
<<locked>>
89%
57101
89%
**05
100%
Vihtavuori N568 👍
<<locked>>
92%
57276
90%
**38
100%
Vihtavuori N570
<<locked>>
93%
57334
90%
**71
98%
Winchester StaBALL HD
<<locked>>
86%
57116
90%
**08
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2213
<<locked>>
81%
48675
76%
**74
99%
ADI AR 2217
<<locked>>
81%
36318
57%
**31
97%
[ADI AR 2218]*
<<locked>>
84%
34142
53%
**28
90%
ADI AR 2225
<<locked>>
81%
33620
53%
**08
99%
Accurate 3100
<<locked>>
81%
49414
77%
**05
100%
[Accurate 8700]*
<<locked>>
89%
33910
53%
**69
90%
Accurate MAGPRO
<<locked>>
81%
49052
77%
**84
98%
Alliant Reloder-19
<<locked>>
81%
53388
84%
**13
100%
Alliant Reloder-22
<<locked>>
81%
49356
77%
**77
100%
Alliant Reloder-23
<<locked>>
81%
48153
75%
**12
100%
Alliant Reloder-25
<<locked>>
81%
42264
66%
**69
100%
[Alliant Reloder-33]*
<<locked>>
81%
34171
54%
**15
91%
[Alliant Reloder-50]*
<<locked>>
85%
33968
53%
**98
90%
Hodgdon H1000
<<locked>>
81%
36318
57%
**31
97%
Hodgdon H4831
<<locked>>
81%
45223
71%
**75
98%
Hodgdon H4831 SC
<<locked>>
81%
50140
79%
**57
99%
Hodgdon Retumbo
<<locked>>
81%
33620
53%
**08
99%
[Hodgdon US 869]*
<<locked>>
94%
44701
70%
**75
90%
Hodgdon TrailBoss
<<locked>>
85%
30589
48%
**47
100%
IMR 4955 Enduron
<<locked>>
81%
48878
77%
**15
99%
IMR 7828 SSC
<<locked>>
81%
50691
79%
**13
100%
[IMR 7977 Enduron]*
<<locked>>
81%
41466
65%
**38
91%
[IMR 8133 Enduron]*
<<locked>>
81%
31111
49%
**26
94%
[Lovex D100]*
<<locked>>
86%
42612
67%
**97
90%
Lovex S071
<<locked>>
81%
42467
67%
**84
100%
Norma 217
<<locked>>
81%
31430
49%
**52
97%
Norma MRP
<<locked>>
81%
52953
83%
**46
100%
[Ramshot LRT]*
<<locked>>
91%
45034
71%
**31
90%
Ramshot Magnum
<<locked>>
81%
48066
75%
**41
100%
ReloadSwiss RS 14
<<locked>>
81%
29892
47%
**50
100%
ReloadSwiss RS 76
<<locked>>
81%
40756
64%
**92
100%
ReloadSwiss RS 80
<<locked>>
81%
37681
59%
**97
96%
Rottweil R 905
<<locked>>
81%
53185
83%
**10
100%
[SNPE Vectan SP 13]*
<<locked>>
88%
34403
54%
**62
90%
Somchem S385
<<locked>>
81%
53374
84%
**77
100%
[Vihtavuori 20N29]*
<<locked>>
93%
38783
61%
**74
90%
[Vihtavuori 24N41]*
<<locked>>
91%
45165
71%
**92
90%
Vihtavuori N165
<<locked>>
81%
45556
71%
**43
100%
[Vihtavuori N170]*
<<locked>>
81%
35114
55%
**46
90%
Vihtavuori N555
<<locked>>
81%
53142
83%
**80
100%
Vihtavuori N560
<<locked>>
81%
49879
78%
**07
99%
Vihtavuori N565
<<locked>>
81%
43845
69%
**82
98%
Vihtavuori N568
<<locked>>
81%
38682
61%
**07
95%
[Vihtavuori N570]*
<<locked>>
81%
36941
58%
**90
92%
Winchester StaBALL HD
<<locked>>
81%
47718
75%
**80
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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