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Load data for .375 CheyTAC + .375 | 300gr | Sierra SBT GameKing

Recommended Powder(s): ADI AR 2217, ADI AR 2225, Hodgdon Retumbo, ReloadSwiss RS 80, Vihtavuori N568

.375 CheyTAC + .375 | 300gr | Sierra SBT GameKing

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.375 | 300gr | Sierra SBT GameKing
Manufacturer SKU:
3000
Bullet Weight:
300gr | 19.4g
Bullet Diameter:
0.375" | 9.52mm
Bullet Length:
1.378" | 35.0mm
Caliber:
.375 CheyTAC load data
Case Length (l3):
3.020" | 76.7mm
Cartridge Length (C.O.L.):
4.106" | 104.3mm
Seated Depth:
0.292" | 7.4mm
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_B5958_C537
Last updated:
2025-02-02
Recommended Twist Rate:
1:18 - 1:15

Load data for 92 loads in caliber .375 CheyTAC with .375 | 300gr | Sierra SBT GameKing bullet and 46 powders such as ADI AR 2217, ADI AR 2225, Hodgdon Retumbo, 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 2209
<<locked>>
84%
57377
90%
**85
100%
ADI AR 2213
<<locked>>
86%
57261
90%
**12
100%
ADI AR 2217 👍
<<locked>>
95%
57348
90%
**12
100%
ADI AR 2218
<<locked>>
97%
53708
84%
**64
98%
ADI AR 2225 👍
<<locked>>
97%
56666
89%
**35
100%
Accurate 3100
<<locked>>
86%
57305
90%
**13
100%
Accurate 8700
<<locked>>
97%
42815
67%
**69
95%
Accurate MAGPRO
<<locked>>
86%
57101
89%
**22
99%
Alliant Reloder-19
<<locked>>
84%
57261
90%
**79
100%
Alliant Reloder-22
<<locked>>
86%
57246
90%
**99
100%
Alliant Reloder-23
<<locked>>
87%
57000
89%
**33
100%
Alliant Reloder-25
<<locked>>
91%
57246
90%
**99
100%
Alliant Reloder-33
<<locked>>
96%
57276
90%
**58
99%
Alliant Reloder-50
<<locked>>
97%
51387
81%
**62
97%
Hodgdon H1000
<<locked>>
95%
57348
90%
**12
100%
Hodgdon H4831
<<locked>>
89%
57246
90%
**66
100%
Hodgdon H4831 SC
<<locked>>
86%
57246
90%
**66
100%
Hodgdon Retumbo 👍
<<locked>>
97%
56666
89%
**35
100%
Hodgdon TrailBoss
<<locked>>
97%
36332
57%
**55
100%
IMR 4955 Enduron
<<locked>>
87%
57305
90%
**43
100%
IMR 7828 SSC
<<locked>>
85%
56971
89%
**15
100%
IMR 7977 Enduron
<<locked>>
92%
57363
90%
**13
96%
IMR 8133 Enduron
<<locked>>
97%
52040
82%
**59
100%
Lovex D100
<<locked>>
95%
57087
89%
**43
95%
Lovex S071
<<locked>>
91%
57116
90%
**07
100%
Norma 217
<<locked>>
97%
53040
83%
**82
100%
Norma MRP
<<locked>>
84%
57130
90%
**12
100%
[Ramshot LRT]*
<<locked>>
97%
53432
84%
**85
93%
Ramshot Magnum
<<locked>>
86%
57290
90%
**72
100%
ReloadSwiss RS 14
<<locked>>
96%
37188
58%
**91
100%
ReloadSwiss RS 76
<<locked>>
91%
57043
89%
**61
100%
ReloadSwiss RS 80 👍
<<locked>>
93%
57305
90%
**51
100%
Rottweil R 904
<<locked>>
84%
57261
90%
**43
100%
Rottweil R 905
<<locked>>
84%
57058
89%
**69
100%
SNPE Vectan SP 13
<<locked>>
97%
45034
71%
**92
95%
Somchem S385
<<locked>>
84%
57290
90%
**40
100%
[Vihtavuori 20N29]*
<<locked>>
97%
42873
67%
**56
92%
[Vihtavuori 24N41]*
<<locked>>
97%
54027
85%
**53
93%
Vihtavuori N165
<<locked>>
89%
57421
90%
**26
100%
Vihtavuori N170
<<locked>>
97%
56405
88%
**46
97%
Vihtavuori N555
<<locked>>
84%
57305
90%
**40
100%
Vihtavuori N560
<<locked>>
86%
57305
90%
**35
100%
Vihtavuori N565
<<locked>>
90%
57101
89%
**95
100%
Vihtavuori N568 👍
<<locked>>
93%
57130
90%
**41
99%
Vihtavuori N570
<<locked>>
94%
57232
90%
**77
98%
Winchester StaBALL HD
<<locked>>
87%
57232
90%
**12
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
52156
82%
**03
100%
ADI AR 2213
<<locked>>
81%
47297
74%
**57
99%
ADI AR 2217
<<locked>>
81%
35273
55%
**15
96%
[ADI AR 2218]*
<<locked>>
85%
34490
54%
**34
90%
ADI AR 2225
<<locked>>
81%
32532
51%
**85
98%
Accurate 3100
<<locked>>
81%
48008
75%
**79
100%
[Accurate 8700]*
<<locked>>
90%
33982
53%
**75
90%
Accurate MAGPRO
<<locked>>
81%
47442
74%
**61
98%
Alliant Reloder-19
<<locked>>
81%
52025
82%
**00
100%
Alliant Reloder-22
<<locked>>
81%
48095
75%
**54
100%
Alliant Reloder-23
<<locked>>
81%
46760
73%
**89
100%
Alliant Reloder-25
<<locked>>
81%
40756
64%
**39
100%
[Alliant Reloder-33]*
<<locked>>
81%
32909
52%
**88
90%
[Alliant Reloder-50]*
<<locked>>
86%
34040
53%
**05
90%
Hodgdon H1000
<<locked>>
81%
35273
55%
**15
96%
Hodgdon H4831
<<locked>>
81%
43903
69%
**43
98%
Hodgdon H4831 SC
<<locked>>
81%
48950
77%
**35
99%
Hodgdon Retumbo
<<locked>>
81%
32532
51%
**85
98%
Hodgdon TrailBoss
<<locked>>
85%
30690
48%
**44
100%
IMR 4955 Enduron
<<locked>>
81%
47616
75%
**89
99%
IMR 7828 SSC
<<locked>>
81%
49168
77%
**97
99%
[IMR 7977 Enduron]*
<<locked>>
81%
40509
63%
**18
90%
[IMR 8133 Enduron]*
<<locked>>
81%
29907
47%
**97
93%
[Lovex D100]*
<<locked>>
87%
43105
68%
**03
90%
Lovex S071
<<locked>>
81%
41408
65%
**67
100%
Norma 217
<<locked>>
81%
30255
47%
**26
96%
Norma MRP
<<locked>>
81%
51271
80%
**30
100%
[Ramshot LRT]*
<<locked>>
92%
45107
71%
**31
90%
Ramshot Magnum
<<locked>>
81%
46311
73%
**05
100%
ReloadSwiss RS 14
<<locked>>
81%
29762
47%
**44
100%
ReloadSwiss RS 76
<<locked>>
81%
39436
62%
**75
100%
ReloadSwiss RS 80
<<locked>>
81%
36230
57%
**61
95%
Rottweil R 904
<<locked>>
81%
52605
82%
**80
100%
Rottweil R 905
<<locked>>
81%
51721
81%
**84
100%
[SNPE Vectan SP 13]*
<<locked>>
90%
34722
54%
**69
90%
Somchem S385
<<locked>>
81%
52025
82%
**57
100%
[Vihtavuori 20N29]*
<<locked>>
94%
38943
61%
**77
90%
[Vihtavuori 24N41]*
<<locked>>
92%
45600
71%
**05
90%
Vihtavuori N165
<<locked>>
81%
44411
70%
**23
100%
[Vihtavuori N170]*
<<locked>>
83%
35549
56%
**59
90%
Vihtavuori N555
<<locked>>
81%
51692
81%
**57
100%
Vihtavuori N560
<<locked>>
81%
48414
76%
**90
99%
Vihtavuori N565
<<locked>>
81%
42482
67%
**52
98%
Vihtavuori N568
<<locked>>
81%
37405
59%
**77
95%
[Vihtavuori N570]*
<<locked>>
81%
35708
56%
**61
91%
Winchester StaBALL HD
<<locked>>
81%
46137
72%
**57
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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