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Load data for .375 CheyTAC + .375 | 377gr | CutEdge MTAC

Recommended Powder(s):

.375 CheyTAC + .375 | 377gr | CutEdge MTAC

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.375 | 377gr | CutEdge MTAC
Manufacturer SKU:
MTAC L11
Bullet Weight:
377gr | 24.4g
Bullet Diameter:
0.375" | 9.52mm
Bullet Length:
2.103" | 53.4mm
Caliber:
.375 CheyTAC load data
Case Length (l3):
3.020" | 76.7mm
Cartridge Length (C.O.L.):
4.447" | 113.0mm
Seated Depth:
0.676" | 17.2mm
Shank Seated Depth:
0.396" | 10.1mm
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_B8565_C537
Last updated:
2026-01-22
Recommended Twist Rate:
1:11 - 1:9

Load data for 86 loads in caliber .375 CheyTAC with .375 | 377gr | CutEdge MTAC 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%
57348
90%
**39
100%
ADI AR 2217
<<locked>>
93%
57319
90%
**36
100%
ADI AR 2218 👍
<<locked>>
97%
56623
89%
**51
100%
ADI AR 2225
<<locked>>
96%
57319
90%
**56
100%
Accurate 3100
<<locked>>
85%
57029
89%
**38
100%
Accurate 8700
<<locked>>
97%
45136
71%
**79
97%
Accurate MAGPRO
<<locked>>
85%
57421
90%
**59
100%
Alliant Reloder-22
<<locked>>
85%
57246
90%
**23
100%
Alliant Reloder-23
<<locked>>
85%
57087
89%
**48
100%
Alliant Reloder-25
<<locked>>
89%
57348
90%
**20
100%
Alliant Reloder-33
<<locked>>
94%
57072
89%
**05
100%
Alliant Reloder-50
<<locked>>
97%
54505
85%
**66
99%
Baschieri & Pellagri 109
<<locked>>
87%
57348
90%
**07
100%
Bofors RP15
<<locked>>
87%
57087
89%
**20
100%
Bofors RP30
<<locked>>
91%
57319
90%
**49
100%
Bofors RP5
<<locked>>
85%
57246
90%
**23
100%
Hodgdon H1000
<<locked>>
93%
57319
90%
**36
100%
Hodgdon H4831
<<locked>>
88%
57072
89%
**93
100%
Hodgdon H4831 SC
<<locked>>
84%
57276
90%
**90
100%
Hodgdon Retumbo
<<locked>>
96%
57319
90%
**56
100%
[Hodgdon US 869]*
<<locked>>
97%
49588
78%
**34
94%
IMR 4955 Enduron
<<locked>>
85%
56985
89%
**70
100%
IMR 7828 SSC
<<locked>>
84%
57116
89%
**43
100%
IMR 7977 Enduron
<<locked>>
90%
57348
90%
**61
98%
IMR 8133 Enduron 👍
<<locked>>
97%
54868
86%
**36
100%
Lovex D100
<<locked>>
94%
57305
90%
**93
97%
Lovex S071
<<locked>>
90%
57348
90%
**38
100%
Norma 217
<<locked>>
97%
56289
88%
**49
100%
Ramshot LRT
<<locked>>
97%
56231
88%
**85
96%
Ramshot Magnum
<<locked>>
85%
57203
90%
**97
100%
ReloadSwiss RS 76
<<locked>>
89%
57130
90%
**89
100%
ReloadSwiss RS 80 👍
<<locked>>
92%
57029
89%
**75
100%
SNPE Vectan SP 13
<<locked>>
97%
47123
74%
**88
98%
Shooters World 50 BMG
<<locked>>
94%
57305
90%
**93
97%
Vihtavuori 20N29
<<locked>>
97%
44947
70%
**72
95%
Vihtavuori 24N41
<<locked>>
97%
57029
89%
**49
96%
Vihtavuori N165
<<locked>>
87%
57145
90%
**51
100%
Vihtavuori N170
<<locked>>
96%
57188
90%
**07
99%
Vihtavuori N560
<<locked>>
84%
57101
89%
**52
100%
Vihtavuori N565
<<locked>>
88%
57363
90%
**39
100%
Vihtavuori N568 👍
<<locked>>
91%
57406
90%
**79
100%
Vihtavuori N570 👍
<<locked>>
92%
57188
90%
**12
100%
Winchester StaBALL HD
<<locked>>
85%
57334
90%
**23
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2213
<<locked>>
81%
49966
78%
**38
100%
ADI AR 2217
<<locked>>
81%
37130
58%
**21
99%
[ADI AR 2218]*
<<locked>>
81%
31589
49%
**62
92%
ADI AR 2225
<<locked>>
81%
34171
54%
**05
100%
Accurate 3100
<<locked>>
81%
49937
78%
**43
100%
[Accurate 8700]*
<<locked>>
85%
29037
45%
**47
90%
Accurate MAGPRO
<<locked>>
81%
50038
78%
**48
99%
Alliant Reloder-22
<<locked>>
81%
50502
79%
**34
100%
Alliant Reloder-23
<<locked>>
81%
49124
77%
**52
100%
Alliant Reloder-25
<<locked>>
81%
43178
68%
**26
100%
[Alliant Reloder-33]*
<<locked>>
81%
34722
54%
**21
94%
[Alliant Reloder-50]*
<<locked>>
81%
29718
47%
**96
91%
Baschieri & Pellagri 109
<<locked>>
81%
47181
74%
**62
98%
Bofors RP15
<<locked>>
81%
46963
74%
**79
100%
Bofors RP30
<<locked>>
81%
40001
63%
**83
99%
Bofors RP5
<<locked>>
81%
50502
79%
**34
100%
Hodgdon H1000
<<locked>>
81%
37130
58%
**21
99%
Hodgdon H4831
<<locked>>
81%
46122
72%
**36
100%
Hodgdon H4831 SC
<<locked>>
81%
51358
80%
**18
100%
Hodgdon Retumbo
<<locked>>
81%
34171
54%
**05
100%
[Hodgdon US 869]*
<<locked>>
90%
38551
60%
**41
90%
IMR 4955 Enduron
<<locked>>
81%
49792
78%
**69
100%
IMR 7828 SSC
<<locked>>
81%
51822
81%
**67
100%
[IMR 7977 Enduron]*
<<locked>>
81%
42206
66%
**24
94%
IMR 8133 Enduron
<<locked>>
81%
31604
50%
**29
97%
[Lovex D100]*
<<locked>>
82%
36724
58%
**56
90%
Lovex S071
<<locked>>
81%
43163
68%
**47
100%
Norma 217
<<locked>>
81%
32097
50%
**52
99%
[Ramshot LRT]*
<<locked>>
86%
38247
60%
**74
90%
Ramshot Magnum
<<locked>>
81%
48892
77%
**95
100%
ReloadSwiss RS 76
<<locked>>
81%
41872
66%
**65
100%
ReloadSwiss RS 80
<<locked>>
81%
38247
60%
**83
98%
[SNPE Vectan SP 13]*
<<locked>>
83%
29211
46%
**34
90%
[Shooters World 50 BMG]*
<<locked>>
82%
36724
58%
**56
90%
[Vihtavuori 20N29]*
<<locked>>
89%
33170
52%
**42
90%
[Vihtavuori 24N41]*
<<locked>>
86%
38624
61%
**47
90%
Vihtavuori N165
<<locked>>
81%
46369
73%
**10
100%
[Vihtavuori N170]*
<<locked>>
81%
35201
55%
**29
93%
Vihtavuori N560
<<locked>>
81%
50792
80%
**61
100%
Vihtavuori N565
<<locked>>
81%
44454
70%
**43
100%
Vihtavuori N568
<<locked>>
81%
39363
62%
**93
98%
Vihtavuori N570
<<locked>>
81%
37695
59%
**87
95%
Winchester StaBALL HD
<<locked>>
81%
49182
77%
**21
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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