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Load data for .375 CheyTAC + .375 | 270gr | Swift A-Frame

Recommended Powder(s):

.375 CheyTAC + .375 | 270gr | Swift A-Frame

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.375 | 270gr | Swift A-Frame
Bullet Weight:
270gr | 17.5g
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_B10866_C537
Last updated:
2026-01-20

Load data for 94 loads in caliber .375 CheyTAC with .375 | 270gr | Swift A-Frame bullet and 47 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>>
86%
57203
90%
**27
100%
ADI AR 2217 👍
<<locked>>
94%
57377
90%
**13
100%
ADI AR 2218
<<locked>>
97%
55782
87%
**89
98%
ADI AR 2225 👍
<<locked>>
96%
57246
90%
**49
100%
Accurate 3100
<<locked>>
85%
57319
90%
**25
100%
[Accurate 8700]*
<<locked>>
97%
44759
70%
**97
94%
Accurate MAGPRO
<<locked>>
85%
57232
90%
**33
99%
Alliant Reloder-19
<<locked>>
83%
57290
90%
**87
100%
Alliant Reloder-22
<<locked>>
85%
57203
90%
**07
100%
Alliant Reloder-23
<<locked>>
86%
57377
90%
**51
100%
Alliant Reloder-25
<<locked>>
90%
57334
90%
**17
100%
Alliant Reloder-33
<<locked>>
95%
57406
90%
**63
98%
Alliant Reloder-50
<<locked>>
97%
54520
85%
**07
97%
Baschieri & Pellagri 109
<<locked>>
88%
57232
90%
**74
98%
Bofors RP15
<<locked>>
88%
57348
90%
**13
100%
Bofors RP30 👍
<<locked>>
92%
57174
90%
**30
100%
Bofors RP5
<<locked>>
85%
57203
90%
**07
100%
Hodgdon H1000
<<locked>>
94%
57377
90%
**13
100%
Hodgdon H4831
<<locked>>
88%
57232
90%
**77
99%
Hodgdon H4831 SC
<<locked>>
85%
57217
90%
**81
99%
Hodgdon Retumbo 👍
<<locked>>
96%
57246
90%
**49
100%
Hodgdon TrailBoss
<<locked>>
96%
36332
57%
**50
100%
IMR 4955 Enduron
<<locked>>
86%
57319
90%
**51
99%
IMR 7828 SSC
<<locked>>
85%
57319
90%
**30
100%
IMR 7977 Enduron
<<locked>>
91%
57130
90%
**15
95%
IMR 8133 Enduron
<<locked>>
97%
54201
85%
**94
100%
[Lovex D100]*
<<locked>>
94%
57290
90%
**44
94%
Lovex S071
<<locked>>
90%
57319
90%
**25
100%
Norma 217
<<locked>>
97%
55158
86%
**13
100%
Norma MRP
<<locked>>
83%
57159
90%
**23
100%
[Ramshot LRT]*
<<locked>>
97%
55143
86%
**10
93%
Ramshot Magnum
<<locked>>
86%
57159
90%
**87
100%
ReloadSwiss RS 14
<<locked>>
97%
37463
59%
**00
100%
ReloadSwiss RS 76
<<locked>>
90%
57290
90%
**86
100%
ReloadSwiss RS 80 👍
<<locked>>
92%
57319
90%
**53
99%
Rottweil R 905
<<locked>>
83%
57421
90%
**84
100%
[SNPE Vectan SP 13]*
<<locked>>
97%
46905
73%
**10
94%
[Shooters World 50 BMG]*
<<locked>>
94%
57290
90%
**44
94%
[Vihtavuori 24N41]*
<<locked>>
97%
55854
88%
**84
93%
Vihtavuori N165
<<locked>>
88%
57043
89%
**25
100%
Vihtavuori N170
<<locked>>
96%
57174
90%
**58
96%
Vihtavuori N555
<<locked>>
83%
57217
90%
**51
100%
Vihtavuori N560
<<locked>>
85%
57174
90%
**40
100%
Vihtavuori N565
<<locked>>
89%
57188
90%
**07
100%
Vihtavuori N568
<<locked>>
92%
57203
90%
**43
99%
Vihtavuori N570
<<locked>>
93%
57334
90%
**76
98%
Winchester StaBALL HD
<<locked>>
86%
57377
90%
**27
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2213
<<locked>>
81%
48675
76%
**82
99%
ADI AR 2217
<<locked>>
81%
36811
58%
**36
96%
[ADI AR 2218]*
<<locked>>
85%
36840
58%
**82
90%
ADI AR 2225
<<locked>>
81%
34287
54%
**10
98%
Accurate 3100
<<locked>>
81%
50067
78%
**20
100%
[Accurate 8700]*
<<locked>>
91%
36347
57%
**07
90%
Accurate MAGPRO
<<locked>>
81%
49226
77%
**95
97%
Alliant Reloder-19
<<locked>>
81%
53447
84%
**25
100%
Alliant Reloder-22
<<locked>>
81%
49632
78%
**95
100%
Alliant Reloder-23
<<locked>>
81%
48327
76%
**20
100%
Alliant Reloder-25
<<locked>>
81%
42482
67%
**74
100%
[Alliant Reloder-33]*
<<locked>>
82%
35621
56%
**30
90%
[Alliant Reloder-50]*
<<locked>>
86%
36550
57%
**46
90%
Baschieri & Pellagri 109
<<locked>>
81%
46340
73%
**87
96%
Bofors RP15
<<locked>>
81%
46441
73%
**30
99%
Bofors RP30
<<locked>>
81%
39943
63%
**12
97%
Bofors RP5
<<locked>>
81%
49632
78%
**95
100%
Hodgdon H1000
<<locked>>
81%
36811
58%
**36
96%
Hodgdon H4831
<<locked>>
81%
45324
71%
**71
97%
Hodgdon H4831 SC
<<locked>>
81%
50386
79%
**59
98%
Hodgdon Retumbo
<<locked>>
81%
34287
54%
**10
98%
Hodgdon TrailBoss
<<locked>>
81%
29138
46%
**99
100%
IMR 4955 Enduron
<<locked>>
81%
48921
77%
**13
98%
IMR 7828 SSC
<<locked>>
81%
50662
79%
**25
99%
[IMR 7977 Enduron]*
<<locked>>
82%
42482
67%
**52
90%
[IMR 8133 Enduron]*
<<locked>>
81%
31792
50%
**28
93%
[Lovex D100]*
<<locked>>
88%
46644
73%
**61
90%
Lovex S071
<<locked>>
81%
43381
68%
**98
100%
Norma 217
<<locked>>
81%
32256
51%
**64
96%
Norma MRP
<<locked>>
81%
53243
83%
**67
100%
[Ramshot LRT]*
<<locked>>
93%
48530
76%
**89
90%
Ramshot Magnum
<<locked>>
81%
48356
76%
**43
100%
ReloadSwiss RS 14
<<locked>>
81%
29950
47%
**39
100%
ReloadSwiss RS 76
<<locked>>
81%
41191
65%
**00
100%
ReloadSwiss RS 80
<<locked>>
81%
38203
60%
**92
95%
Rottweil R 905
<<locked>>
81%
53272
83%
**25
100%
[SNPE Vectan SP 13]*
<<locked>>
90%
36840
58%
**03
90%
[Shooters World 50 BMG]*
<<locked>>
88%
46644
73%
**61
90%
[Vihtavuori 24N41]*
<<locked>>
93%
49124
77%
**66
90%
Vihtavuori N165
<<locked>>
81%
45818
72%
**48
99%
[Vihtavuori N170]*
<<locked>>
83%
38203
60%
**00
90%
Vihtavuori N555
<<locked>>
81%
53679
84%
**99
100%
Vihtavuori N560
<<locked>>
81%
49792
78%
**12
98%
Vihtavuori N565
<<locked>>
81%
44541
70%
**97
98%
[Vihtavuori N568]*
<<locked>>
81%
39189
61%
**12
94%
[Vihtavuori N570]*
<<locked>>
81%
37521
59%
**89
91%
Winchester StaBALL HD
<<locked>>
81%
48022
75%
**99
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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