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Load data for .375 CheyTAC + .375 | 350gr | Sierra HPBT MatchKinging

Recommended Powder(s):

.375 CheyTAC + .375 | 350gr | Sierra HPBT MatchKinging

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.375 | 350gr | Sierra HPBT MatchKinging
Manufacturer SKU:
9350
Bullet Weight:
350gr | 22.7g
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_B5959_C537
Last updated:
2026-01-20
Recommended Twist Rate:
1:12 - 1:10

Load data for 86 loads in caliber .375 CheyTAC with .375 | 350gr | Sierra HPBT MatchKinging bullet and 43 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 2213
<<locked>>
85%
57305
90%
**31
100%
ADI AR 2217
<<locked>>
93%
57058
89%
**18
100%
ADI AR 2218 👍
<<locked>>
97%
57246
90%
**43
100%
ADI AR 2225
<<locked>>
95%
57159
90%
**44
100%
Accurate 3100
<<locked>>
84%
57174
90%
**23
100%
Accurate 8700
<<locked>>
97%
46137
72%
**70
97%
Accurate MAGPRO
<<locked>>
84%
57232
90%
**38
100%
Alliant Reloder-22
<<locked>>
84%
56985
89%
**12
100%
Alliant Reloder-23
<<locked>>
85%
57232
90%
**43
100%
Alliant Reloder-25
<<locked>>
89%
57130
90%
**08
100%
Alliant Reloder-33
<<locked>>
94%
57072
89%
**84
99%
Alliant Reloder-50
<<locked>>
97%
56260
88%
**67
99%
Baschieri & Pellagri 109
<<locked>>
87%
57232
90%
**92
99%
Bofors RP15
<<locked>>
87%
57334
90%
**18
100%
Bofors RP30
<<locked>>
91%
57232
90%
**31
100%
Bofors RP5
<<locked>>
84%
56985
89%
**12
100%
Hodgdon H1000
<<locked>>
93%
57058
89%
**18
100%
Hodgdon H4831
<<locked>>
87%
57145
90%
**79
100%
Hodgdon H4831 SC
<<locked>>
84%
57319
90%
**85
100%
Hodgdon Retumbo
<<locked>>
95%
57159
90%
**44
100%
[Hodgdon US 869]*
<<locked>>
97%
50720
79%
**30
94%
IMR 4955 Enduron
<<locked>>
85%
57174
90%
**59
100%
IMR 7828 SSC
<<locked>>
83%
56956
89%
**28
100%
IMR 7977 Enduron
<<locked>>
90%
57130
90%
**43
97%
IMR 8133 Enduron 👍
<<locked>>
97%
55941
88%
**35
100%
Lovex D100
<<locked>>
93%
57029
89%
**75
96%
Lovex S071
<<locked>>
89%
57174
90%
**23
100%
Norma 217
<<locked>>
97%
56942
89%
**41
100%
Ramshot LRT
<<locked>>
97%
57392
90%
**77
96%
Ramshot Magnum
<<locked>>
85%
57421
90%
**89
100%
ReloadSwiss RS 76
<<locked>>
89%
57377
90%
**71
100%
ReloadSwiss RS 80 👍
<<locked>>
91%
56971
89%
**61
100%
SNPE Vectan SP 13
<<locked>>
97%
48327
76%
**87
97%
Shooters World 50 BMG
<<locked>>
93%
57029
89%
**75
96%
Vihtavuori 20N29
<<locked>>
97%
46383
73%
**70
95%
Vihtavuori 24N41
<<locked>>
96%
56971
89%
**38
96%
Vihtavuori N165
<<locked>>
87%
57363
90%
**36
100%
Vihtavuori N170
<<locked>>
95%
57334
90%
**92
98%
Vihtavuori N560
<<locked>>
84%
56971
89%
**38
100%
Vihtavuori N565
<<locked>>
88%
57174
90%
**25
100%
Vihtavuori N568 👍
<<locked>>
91%
57188
90%
**64
100%
Vihtavuori N570 👍
<<locked>>
92%
57305
90%
**97
99%
Winchester StaBALL HD
<<locked>>
84%
57116
90%
**15
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2213
<<locked>>
81%
50662
79%
**33
100%
ADI AR 2217
<<locked>>
81%
37985
60%
**10
99%
[ADI AR 2218]*
<<locked>>
81%
32372
51%
**44
91%
ADI AR 2225
<<locked>>
81%
35085
55%
**90
100%
Accurate 3100
<<locked>>
81%
51155
80%
**48
100%
[Accurate 8700]*
<<locked>>
85%
30516
48%
**42
90%
Accurate MAGPRO
<<locked>>
81%
50981
80%
**49
99%
Alliant Reloder-22
<<locked>>
81%
51430
81%
**36
100%
Alliant Reloder-23
<<locked>>
81%
50154
79%
**54
100%
Alliant Reloder-25
<<locked>>
81%
44048
69%
**25
100%
[Alliant Reloder-33]*
<<locked>>
81%
35897
56%
**13
94%
[Alliant Reloder-50]*
<<locked>>
81%
31053
49%
**85
90%
Baschieri & Pellagri 109
<<locked>>
81%
47906
75%
**48
98%
Bofors RP15
<<locked>>
81%
47848
75%
**77
100%
Bofors RP30
<<locked>>
81%
41147
64%
**82
99%
Bofors RP5
<<locked>>
81%
51430
81%
**36
100%
Hodgdon H1000
<<locked>>
81%
37985
60%
**10
99%
Hodgdon H4831
<<locked>>
81%
46775
73%
**28
99%
Hodgdon H4831 SC
<<locked>>
81%
52185
82%
**07
100%
Hodgdon Retumbo
<<locked>>
81%
35085
55%
**90
100%
[Hodgdon US 869]*
<<locked>>
90%
40509
63%
**46
90%
IMR 4955 Enduron
<<locked>>
81%
50343
79%
**61
100%
IMR 7828 SSC
<<locked>>
81%
52779
83%
**72
100%
[IMR 7977 Enduron]*
<<locked>>
81%
42844
67%
**06
93%
IMR 8133 Enduron
<<locked>>
81%
32619
51%
**21
97%
[Lovex D100]*
<<locked>>
82%
38682
61%
**64
90%
Lovex S071
<<locked>>
81%
44077
69%
**39
100%
Norma 217
<<locked>>
81%
33170
52%
**44
99%
[Ramshot LRT]*
<<locked>>
87%
40234
63%
**82
90%
Ramshot Magnum
<<locked>>
81%
50053
78%
**90
100%
ReloadSwiss RS 76
<<locked>>
81%
42931
67%
**70
100%
ReloadSwiss RS 80
<<locked>>
81%
39450
62%
**72
98%
[SNPE Vectan SP 13]*
<<locked>>
84%
30734
48%
**36
90%
[Shooters World 50 BMG]*
<<locked>>
82%
38682
61%
**64
90%
[Vihtavuori 20N29]*
<<locked>>
89%
34751
54%
**41
90%
[Vihtavuori 24N41]*
<<locked>>
87%
40379
63%
**52
90%
Vihtavuori N165
<<locked>>
81%
47253
74%
**98
100%
[Vihtavuori N170]*
<<locked>>
81%
36260
57%
**21
93%
Vihtavuori N560
<<locked>>
81%
51779
81%
**66
100%
Vihtavuori N565
<<locked>>
81%
45571
71%
**38
99%
Vihtavuori N568
<<locked>>
81%
40553
64%
**92
98%
Vihtavuori N570
<<locked>>
81%
38899
61%
**79
95%
Winchester StaBALL HD
<<locked>>
81%
50531
79%
**33
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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