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

Recommended Powder(s): Alliant Reloder-26, Ramshot Hunter, ReloadSwiss RS 70, Vihtavuori N555, Winchester StaBALL HD

.375 Swiss P + .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:
1.200" | 30.5mm
Caliber:
.375 Swiss P load data
Case Length (l3):
2.750" | 69.8mm
Cartridge Length (C.O.L.):
3.626" | 92.1mm
Seated Depth:
0.324" | 8.2mm
Shank Seated Depth:
0.324" | 8.2mm
Case Capacity:
125.0 Grains of Water | 8.12 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
60916 psi | 4200 bar
LID:
LID_B10866_C569
Last updated:
2025-02-02

Load data for 138 loads in caliber .375 Swiss P with .375 | 270gr | Swift A-Frame bullet and 69 powders such as Alliant Reloder-26, Ramshot Hunter, ReloadSwiss RS 70, Vihtavuori N555, Winchester StaBALL HD. 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 2208
<<locked>>
84%
54766
90%
**59
100%
ADI AR 2209
<<locked>>
95%
54491
89%
**48
98%
ADI AR 2213
<<locked>>
97%
53026
87%
**51
97%
[ADI AR 2225]*
<<locked>>
97%
34679
57%
**10
94%
Accurate 2700
<<locked>>
84%
54433
89%
**17
99%
Accurate 3100
<<locked>>
97%
52910
87%
**72
100%
Accurate 4350
<<locked>>
89%
54737
90%
**18
100%
[Accurate MAGPRO]*
<<locked>>
97%
51547
85%
**44
94%
Alliant Reloder- TS 15.5
<<locked>>
83%
54795
90%
**69
100%
Alliant Reloder-16
<<locked>>
91%
54650
90%
**67
100%
Alliant Reloder-17
<<locked>>
86%
54607
90%
**61
100%
Alliant Reloder-19
<<locked>>
95%
54665
90%
**48
98%
Alliant Reloder-22
<<locked>>
97%
52286
86%
**48
98%
Alliant Reloder-23
<<locked>>
97%
49501
81%
**85
100%
Alliant Reloder-25
<<locked>>
97%
43395
71%
**13
99%
Alliant Reloder-26 👍
<<locked>>
96%
54650
90%
**49
100%
Hodgdon H414
<<locked>>
85%
54549
90%
**41
99%
Hodgdon H4350
<<locked>>
92%
54781
90%
**82
99%
Hodgdon H4831
<<locked>>
97%
48805
80%
**20
95%
Hodgdon H4831 SC
<<locked>>
96%
54404
89%
**18
96%
Hodgdon Hybrid 100V
<<locked>>
92%
54621
90%
**82
100%
Hodgdon LVR
<<locked>>
88%
54824
90%
**22
100%
[Hodgdon Retumbo]*
<<locked>>
97%
34679
57%
**10
94%
Hodgdon Superperformance
<<locked>>
88%
54244
89%
**61
99%
Hodgdon VARGET
<<locked>>
84%
54766
90%
**59
100%
Hodgdon TrailBoss
<<locked>>
96%
35230
58%
**09
100%
IMR 4064
<<locked>>
84%
54520
89%
**40
100%
IMR 4166 Enduron
<<locked>>
85%
54607
90%
**40
99%
IMR 4350
<<locked>>
90%
54360
89%
**76
99%
IMR 4451 Enduron
<<locked>>
86%
54317
89%
**62
99%
IMR 4831
<<locked>>
94%
54433
89%
**99
100%
IMR 4955 Enduron
<<locked>>
97%
54114
89%
**76
96%
IMR 7828 SSC
<<locked>>
97%
54563
90%
**90
97%
Lovex S065
<<locked>>
88%
54244
89%
**53
100%
Lovex S070
<<locked>>
89%
54549
90%
**79
99%
Lovex S071
<<locked>>
97%
44657
73%
**35
98%
Norma 204
<<locked>>
90%
54752
90%
**18
98%
Norma MRP
<<locked>>
97%
54810
90%
**20
99%
Norma URP
<<locked>>
90%
54679
90%
**18
100%
Ramshot Hunter 👍
<<locked>>
90%
54563
90%
**38
100%
Ramshot Magnum
<<locked>>
97%
50575
83%
**02
98%
ReloadSwiss RS 14
<<locked>>
96%
35926
59%
**49
100%
ReloadSwiss RS 60
<<locked>>
87%
54476
89%
**87
100%
ReloadSwiss RS 62
<<locked>>
89%
54781
90%
**44
100%
ReloadSwiss RS 70 👍
<<locked>>
90%
54505
89%
**94
100%
ReloadSwiss RS 76
<<locked>>
97%
41974
69%
**20
97%
Rottweil R 903
<<locked>>
84%
54621
90%
**62
100%
Rottweil R 904
<<locked>>
94%
54607
90%
**89
97%
Rottweil R 905
<<locked>>
95%
54694
90%
**48
98%
Rottweil R 907
<<locked>>
87%
54737
90%
**59
99%
SNPE Vectan SP 11
<<locked>>
84%
54810
90%
**99
100%
SNPE Vectan Tubal 5000
<<locked>>
84%
54723
90%
**41
100%
SNPE Vectan Tubal 7000
<<locked>>
88%
54766
90%
**23
99%
Shooters World Long Rifle
<<locked>>
88%
54244
89%
**53
100%
Somchem S355
<<locked>>
84%
54563
90%
**59
100%
Somchem S361
<<locked>>
93%
54810
90%
**59
96%
Somchem S365
<<locked>>
92%
54578
90%
**28
100%
Somchem S385
<<locked>>
95%
54375
89%
**05
99%
Vihtavuori N135
<<locked>>
85%
54389
89%
**74
100%
Vihtavuori N150
<<locked>>
89%
54317
89%
**13
100%
Vihtavuori N160
<<locked>>
87%
54230
89%
**76
100%
Vihtavuori N165
<<locked>>
97%
48675
80%
**97
98%
Vihtavuori N550
<<locked>>
87%
54781
90%
**25
100%
Vihtavuori N555 👍
<<locked>>
96%
54592
90%
**54
100%
Vihtavuori N560
<<locked>>
97%
52185
86%
**67
96%
[Vihtavuori N565]*
<<locked>>
97%
45005
74%
**20
94%
Winchester 6.5 StaBALL
<<locked>>
89%
54752
90%
**66
100%
Winchester 760
<<locked>>
85%
54549
90%
**41
99%
Winchester StaBALL HD 👍
<<locked>>
97%
44338
73%
**41
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
50749
83%
**94
100%
[ADI AR 2209]*
<<locked>>
81%
35650
59%
**67
92%
[ADI AR 2213]*
<<locked>>
85%
35810
59%
**90
90%
[ADI AR 2225]*
<<locked>>
92%
29878
49%
**62
90%
Accurate 2700
<<locked>>
81%
48863
80%
**21
98%
[Accurate 3100]*
<<locked>>
81%
31937
52%
**56
94%
Accurate 4350
<<locked>>
81%
42337
70%
**08
99%
[Accurate MAGPRO]*
<<locked>>
89%
39885
65%
**08
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
51488
85%
**13
100%
Alliant Reloder-16
<<locked>>
81%
40306
66%
**08
99%
Alliant Reloder-17
<<locked>>
81%
46064
76%
**33
100%
[Alliant Reloder-19]*
<<locked>>
81%
35491
58%
**61
92%
[Alliant Reloder-22]*
<<locked>>
81%
31531
52%
**98
90%
Alliant Reloder-23
<<locked>>
81%
30356
50%
**82
98%
[Alliant Reloder-25]*
<<locked>>
81%
27035
44%
**80
91%
Alliant Reloder-26
<<locked>>
81%
32489
53%
**93
96%
Hodgdon H414
<<locked>>
81%
47398
78%
**17
98%
Hodgdon H4350
<<locked>>
81%
39291
64%
**00
95%
[Hodgdon H4831]*
<<locked>>
87%
36463
60%
**64
90%
[Hodgdon H4831 SC]*
<<locked>>
84%
36463
60%
**64
90%
Hodgdon Hybrid 100V
<<locked>>
81%
38363
63%
**07
100%
Hodgdon LVR
<<locked>>
81%
44512
73%
**44
99%
[Hodgdon Retumbo]*
<<locked>>
92%
29878
49%
**62
90%
Hodgdon Superperformance
<<locked>>
81%
42699
70%
**54
97%
Hodgdon VARGET
<<locked>>
81%
50212
82%
**87
100%
Hodgdon TrailBoss
<<locked>>
90%
31981
52%
**47
100%
IMR 4064
<<locked>>
81%
49763
82%
**71
100%
IMR 4166 Enduron
<<locked>>
81%
48646
80%
**38
98%
IMR 4350
<<locked>>
81%
41205
68%
**36
96%
IMR 4451 Enduron
<<locked>>
81%
46833
77%
**31
98%
IMR 4831
<<locked>>
81%
36753
60%
**74
98%
[IMR 4955 Enduron]*
<<locked>>
83%
35563
58%
**11
90%
[IMR 7828 SSC]*
<<locked>>
84%
35563
58%
**87
90%
Lovex S065
<<locked>>
81%
44875
74%
**92
99%
Lovex S070
<<locked>>
81%
43004
71%
**75
97%
[Lovex S071]*
<<locked>>
81%
27673
45%
**47
92%
[Norma 204]*
<<locked>>
81%
40712
67%
**62
94%
[Norma MRP]*
<<locked>>
81%
32677
54%
**64
93%
Norma URP
<<locked>>
81%
41640
68%
**95
99%
Ramshot Hunter
<<locked>>
81%
40205
66%
**79
97%
[Ramshot Magnum]*
<<locked>>
82%
30327
50%
**56
90%
ReloadSwiss RS 14
<<locked>>
85%
30690
50%
**47
100%
ReloadSwiss RS 60
<<locked>>
81%
44483
73%
**23
100%
ReloadSwiss RS 62
<<locked>>
81%
41858
69%
**18
99%
ReloadSwiss RS 70
<<locked>>
81%
40277
66%
**31
98%
[ReloadSwiss RS 76]*
<<locked>>
87%
30501
50%
**11
90%
Rottweil R 903
<<locked>>
81%
49458
81%
**77
100%
[Rottweil R 904]*
<<locked>>
81%
36927
61%
**51
92%
[Rottweil R 905]*
<<locked>>
81%
34737
57%
**48
92%
Rottweil R 907
<<locked>>
81%
45934
75%
**08
97%
SNPE Vectan SP 11
<<locked>>
81%
49966
82%
**30
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
50067
82%
**75
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
43613
72%
**36
97%
Shooters World Long Rifle
<<locked>>
81%
44875
74%
**92
99%
Somchem S355
<<locked>>
81%
49458
81%
**77
100%
[Somchem S361]*
<<locked>>
81%
37768
62%
**44
91%
Somchem S365
<<locked>>
81%
38058
62%
**52
100%
[Somchem S385]*
<<locked>>
81%
35433
58%
**41
94%
Vihtavuori N135
<<locked>>
81%
48124
79%
**79
100%
Vihtavuori N150
<<locked>>
81%
42453
70%
**23
100%
Vihtavuori N160
<<locked>>
81%
44701
73%
**21
99%
[Vihtavuori N165]*
<<locked>>
81%
29820
49%
**90
90%
Vihtavuori N550
<<locked>>
81%
45339
74%
**61
99%
Vihtavuori N555
<<locked>>
81%
33823
56%
**57
98%
[Vihtavuori N560]*
<<locked>>
85%
36376
60%
**30
90%
[Vihtavuori N565]*
<<locked>>
89%
35244
58%
**07
90%
Winchester 6.5 StaBALL
<<locked>>
81%
41901
69%
**62
100%
Winchester 760
<<locked>>
81%
47398
78%
**17
98%
Winchester StaBALL HD
<<locked>>
81%
27166
45%
**72
97%

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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