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Load data for .375 CheyTAC + .375 | 300gr | Speer AGS TBSS

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

.375 CheyTAC + .375 | 300gr | Speer AGS TBSS

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.375 | 300gr | Speer AGS TBSS
Manufacturer SKU:
1781
Bullet Weight:
300gr | 19.4g
Bullet Diameter:
0.375" | 9.52mm
Bullet Length:
1.200" | 30.5mm
Caliber:
.375 CheyTAC load data
Case Length (l3):
3.020" | 76.7mm
Cartridge Length (C.O.L.):
4.098" | 104.1mm
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_B6248_C537
Last updated:
2025-01-01

Load data for 88 loads in caliber .375 CheyTAC with .375 | 300gr | Speer AGS TBSS bullet and 44 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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  • 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 2213
<<locked>>
85%
57159
90%
**05
100%
ADI AR 2217 👍
<<locked>>
94%
57087
89%
**05
100%
ADI AR 2218
<<locked>>
97%
55956
88%
**97
99%
ADI AR 2225
<<locked>>
96%
57188
90%
**38
100%
Accurate 3100
<<locked>>
85%
57421
90%
**07
100%
Accurate 8700
<<locked>>
97%
44672
70%
**98
95%
Accurate MAGPRO
<<locked>>
85%
57392
90%
**25
99%
Alliant Reloder-19
<<locked>>
83%
57246
90%
**79
100%
Alliant Reloder-22
<<locked>>
85%
57392
90%
**95
100%
Alliant Reloder-23
<<locked>>
86%
57232
90%
**33
100%
Alliant Reloder-25
<<locked>>
90%
57246
90%
**92
100%
Alliant Reloder-33
<<locked>>
95%
57290
90%
**67
99%
Alliant Reloder-50
<<locked>>
97%
54027
85%
**08
98%
Hodgdon H1000 👍
<<locked>>
94%
57087
89%
**05
100%
Hodgdon H4831
<<locked>>
88%
57421
90%
**72
100%
Hodgdon H4831 SC
<<locked>>
85%
57421
90%
**72
100%
Hodgdon Retumbo
<<locked>>
96%
57188
90%
**38
100%
[Hodgdon US 869]*
<<locked>>
97%
49385
77%
**64
92%
Hodgdon TrailBoss
<<locked>>
97%
36477
57%
**59
100%
IMR 4955 Enduron
<<locked>>
86%
57232
90%
**43
100%
IMR 7828 SSC
<<locked>>
84%
57014
89%
**12
100%
IMR 7977 Enduron
<<locked>>
91%
57130
90%
**10
96%
IMR 8133 Enduron
<<locked>>
97%
54070
85%
**79
100%
Lovex D100
<<locked>>
94%
57116
89%
**40
95%
Lovex S071
<<locked>>
90%
57246
90%
**10
100%
Norma 217 👍
<<locked>>
97%
55680
87%
**05
100%
[Ramshot LRT]*
<<locked>>
97%
55695
87%
**22
94%
Ramshot Magnum
<<locked>>
85%
56971
89%
**66
100%
ReloadSwiss RS 14
<<locked>>
97%
37420
59%
**01
100%
ReloadSwiss RS 76
<<locked>>
90%
57406
90%
**67
100%
ReloadSwiss RS 80 👍
<<locked>>
92%
57188
90%
**51
100%
Rottweil R 905
<<locked>>
83%
57305
90%
**72
100%
SNPE Vectan SP 13
<<locked>>
97%
46746
73%
**21
96%
Somchem S385
<<locked>>
83%
57305
90%
**36
100%
[Vihtavuori 20N29]*
<<locked>>
97%
45078
71%
**98
93%
[Vihtavuori 24N41]*
<<locked>>
97%
56202
88%
**92
94%
Vihtavuori N165
<<locked>>
88%
57174
90%
**17
100%
Vihtavuori N170
<<locked>>
96%
57276
90%
**59
97%
Vihtavuori N555
<<locked>>
83%
57348
90%
**40
100%
Vihtavuori N560
<<locked>>
85%
57014
89%
**28
100%
Vihtavuori N565
<<locked>>
89%
57188
90%
**99
100%
Vihtavuori N568 👍
<<locked>>
92%
57406
90%
**41
100%
Vihtavuori N570
<<locked>>
93%
57145
90%
**71
98%
Winchester StaBALL HD
<<locked>>
86%
56985
89%
**12
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2213
<<locked>>
81%
49008
77%
**80
99%
ADI AR 2217
<<locked>>
81%
36579
57%
**38
97%
[ADI AR 2218]*
<<locked>>
84%
34418
54%
**28
90%
ADI AR 2225
<<locked>>
81%
33794
53%
**15
99%
Accurate 3100
<<locked>>
81%
49763
78%
**02
100%
[Accurate 8700]*
<<locked>>
89%
33997
53%
**62
90%
Accurate MAGPRO
<<locked>>
81%
49269
77%
**87
98%
Alliant Reloder-19
<<locked>>
81%
53505
84%
**13
100%
Alliant Reloder-22
<<locked>>
81%
49690
78%
**84
100%
Alliant Reloder-23
<<locked>>
81%
48472
76%
**08
100%
Alliant Reloder-25
<<locked>>
81%
42467
67%
**66
100%
[Alliant Reloder-33]*
<<locked>>
81%
34461
54%
**25
91%
[Alliant Reloder-50]*
<<locked>>
84%
33837
53%
**95
90%
Hodgdon H1000
<<locked>>
81%
36579
57%
**38
97%
Hodgdon H4831
<<locked>>
81%
45527
71%
**72
98%
Hodgdon H4831 SC
<<locked>>
81%
50459
79%
**64
99%
Hodgdon Retumbo
<<locked>>
81%
33794
53%
**15
99%
[Hodgdon US 869]*
<<locked>>
94%
44556
70%
**75
90%
Hodgdon TrailBoss
<<locked>>
85%
30618
48%
**47
100%
IMR 4955 Enduron
<<locked>>
81%
49066
77%
**18
99%
IMR 7828 SSC
<<locked>>
81%
50923
80%
**20
100%
[IMR 7977 Enduron]*
<<locked>>
81%
41553
65%
**41
91%
[IMR 8133 Enduron]*
<<locked>>
81%
31372
49%
**36
94%
[Lovex D100]*
<<locked>>
86%
42946
67%
**93
90%
Lovex S071
<<locked>>
81%
42757
67%
**90
100%
Norma 217
<<locked>>
81%
31792
50%
**65
97%
[Ramshot LRT]*
<<locked>>
91%
44889
70%
**21
90%
Ramshot Magnum
<<locked>>
81%
48312
76%
**35
100%
ReloadSwiss RS 14
<<locked>>
81%
29907
47%
**50
100%
ReloadSwiss RS 76
<<locked>>
81%
41075
64%
**02
100%
ReloadSwiss RS 80
<<locked>>
81%
37869
59%
**90
96%
Rottweil R 905
<<locked>>
81%
53301
84%
**13
100%
[SNPE Vectan SP 13]*
<<locked>>
88%
34113
53%
**56
90%
Somchem S385
<<locked>>
81%
53606
84%
**80
100%
[Vihtavuori 20N29]*
<<locked>>
93%
38885
61%
**77
90%
[Vihtavuori 24N41]*
<<locked>>
91%
44889
70%
**92
90%
Vihtavuori N165
<<locked>>
81%
45658
72%
**46
100%
[Vihtavuori N170]*
<<locked>>
81%
35534
56%
**49
90%
Vihtavuori N555
<<locked>>
81%
53490
84%
**87
100%
Vihtavuori N560
<<locked>>
81%
49995
78%
**10
99%
Vihtavuori N565
<<locked>>
81%
44048
69%
**85
98%
Vihtavuori N568
<<locked>>
81%
38972
61%
**16
96%
[Vihtavuori N570]*
<<locked>>
81%
37246
58%
**00
92%
Winchester StaBALL HD
<<locked>>
81%
48153
75%
**77
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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