top of page

Load data for .375 Swiss P + .375 | 270gr | Barnes X S

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

.375 Swiss P + .375 | 270gr | Barnes X S

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.375 | 270gr | Barnes X S
Manufacturer SKU:
37585
Bullet Weight:
270gr | 17.5g
Bullet Diameter:
0.375" | 9.52mm
Bullet Length:
1.365" | 34.7mm
Caliber:
.375 Swiss P load data
Case Length (l3):
2.750" | 69.8mm
Cartridge Length (C.O.L.):
3.626" | 92.1mm
Seated Depth:
0.489" | 12.4mm
Shank Seated Depth:
0.489" | 12.4mm
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_B735_C569
Last updated:
2025-02-02

Load data for 136 loads in caliber .375 Swiss P with .375 | 270gr | Barnes X S bullet and 68 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".

  • No data yet

  • .

    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.

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>>
83%
54592
90%
**26
100%
ADI AR 2209
<<locked>>
95%
54433
89%
**22
98%
ADI AR 2213
<<locked>>
97%
52634
86%
**12
96%
[ADI AR 2225]*
<<locked>>
97%
35389
58%
**00
94%
Accurate 2700
<<locked>>
84%
54302
89%
**84
98%
Accurate 3100
<<locked>>
97%
53490
88%
**59
99%
Accurate 4350
<<locked>>
89%
54665
90%
**92
100%
[Accurate MAGPRO]*
<<locked>>
97%
51358
84%
**15
94%
Alliant Reloder-16
<<locked>>
91%
54476
89%
**41
100%
Alliant Reloder-17
<<locked>>
86%
54505
89%
**48
100%
Alliant Reloder-19
<<locked>>
95%
54824
90%
**28
98%
Alliant Reloder-22
<<locked>>
97%
51895
85%
**18
98%
Alliant Reloder-23
<<locked>>
97%
49545
81%
**69
100%
Alliant Reloder-25
<<locked>>
97%
43453
71%
**97
99%
Alliant Reloder-26 👍
<<locked>>
96%
54708
90%
**30
100%
Hodgdon H414
<<locked>>
85%
54607
90%
**08
99%
Hodgdon H4350
<<locked>>
92%
54331
89%
**56
99%
[Hodgdon H4831]*
<<locked>>
97%
48994
80%
**97
94%
Hodgdon H4831 SC
<<locked>>
97%
54520
90%
**89
96%
Hodgdon Hybrid 100V
<<locked>>
92%
54795
90%
**66
100%
Hodgdon LVR
<<locked>>
88%
54795
90%
**02
100%
[Hodgdon Retumbo]*
<<locked>>
97%
35389
58%
**00
94%
Hodgdon Superperformance
<<locked>>
88%
54737
90%
**48
99%
Hodgdon VARGET
<<locked>>
84%
54592
90%
**26
100%
Hodgdon TrailBoss
<<locked>>
96%
35346
58%
**90
100%
IMR 4064
<<locked>>
84%
54795
90%
**23
100%
IMR 4166 Enduron
<<locked>>
85%
54549
90%
**10
99%
IMR 4350
<<locked>>
90%
54462
89%
**59
99%
IMR 4451 Enduron
<<locked>>
86%
54795
90%
**43
99%
IMR 4831
<<locked>>
94%
54491
89%
**79
100%
IMR 4955 Enduron
<<locked>>
97%
53911
89%
**49
96%
IMR 7828 SSC
<<locked>>
97%
53838
88%
**48
96%
Lovex S065
<<locked>>
88%
54824
90%
**40
100%
Lovex S070
<<locked>>
89%
54520
90%
**56
99%
Lovex S071
<<locked>>
97%
45397
75%
**21
98%
Norma 204
<<locked>>
90%
54752
90%
**99
98%
Norma MRP
<<locked>>
97%
54607
90%
**04
99%
Norma URP
<<locked>>
90%
54781
90%
**02
100%
Ramshot Hunter 👍
<<locked>>
91%
54505
89%
**22
100%
Ramshot Magnum
<<locked>>
97%
50357
83%
**79
98%
ReloadSwiss RS 14
<<locked>>
97%
36332
60%
**36
100%
ReloadSwiss RS 60
<<locked>>
87%
54534
90%
**64
100%
ReloadSwiss RS 62
<<locked>>
89%
54694
90%
**18
100%
ReloadSwiss RS 70 👍
<<locked>>
90%
54317
89%
**64
100%
ReloadSwiss RS 76
<<locked>>
97%
42511
70%
**17
97%
Rottweil R 903
<<locked>>
84%
54824
90%
**40
100%
Rottweil R 904
<<locked>>
94%
54578
90%
**62
97%
Rottweil R 905
<<locked>>
95%
54607
90%
**15
98%
Rottweil R 907
<<locked>>
87%
54433
89%
**30
99%
SNPE Vectan SP 11
<<locked>>
84%
54462
89%
**76
100%
SNPE Vectan Tubal 5000
<<locked>>
84%
54578
90%
**15
100%
SNPE Vectan Tubal 7000
<<locked>>
88%
54766
90%
**90
99%
Shooters World Long Rifle
<<locked>>
88%
54824
90%
**40
100%
Somchem S355
<<locked>>
84%
54505
89%
**30
100%
Somchem S361
<<locked>>
93%
54694
90%
**40
96%
Somchem S365
<<locked>>
92%
54389
89%
**08
100%
Somchem S385
<<locked>>
95%
54737
90%
**82
99%
Vihtavuori N135
<<locked>>
85%
54810
90%
**51
100%
Vihtavuori N150
<<locked>>
89%
54708
90%
**00
100%
Vihtavuori N160
<<locked>>
87%
54636
90%
**56
100%
Vihtavuori N165
<<locked>>
97%
48762
80%
**80
97%
Vihtavuori N550
<<locked>>
87%
54737
90%
**99
100%
Vihtavuori N555 👍
<<locked>>
96%
54389
89%
**25
100%
Vihtavuori N560
<<locked>>
97%
52359
86%
**44
96%
[Vihtavuori N565]*
<<locked>>
97%
44802
74%
**90
94%
Winchester 6.5 StaBALL
<<locked>>
89%
54607
90%
**46
100%
Winchester 760
<<locked>>
85%
54607
90%
**08
99%
Winchester StaBALL HD 👍
<<locked>>
97%
44251
73%
**28
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
50749
83%
**71
100%
[ADI AR 2209]*
<<locked>>
81%
36158
59%
**48
92%
[ADI AR 2213]*
<<locked>>
85%
36651
60%
**77
90%
[ADI AR 2225]*
<<locked>>
92%
30893
51%
**62
90%
Accurate 2700
<<locked>>
81%
49342
81%
**05
98%
Accurate 3100
<<locked>>
81%
32938
54%
**59
95%
Accurate 4350
<<locked>>
81%
43265
71%
**02
99%
[Accurate MAGPRO]*
<<locked>>
90%
40857
67%
**08
90%
Alliant Reloder-16
<<locked>>
81%
40915
67%
**95
99%
Alliant Reloder-17
<<locked>>
81%
46093
76%
**13
100%
[Alliant Reloder-19]*
<<locked>>
81%
36143
59%
**57
93%
[Alliant Reloder-22]*
<<locked>>
81%
32387
53%
**98
91%
Alliant Reloder-23
<<locked>>
81%
31212
51%
**79
98%
[Alliant Reloder-25]*
<<locked>>
81%
27891
46%
**80
92%
Alliant Reloder-26
<<locked>>
81%
33301
55%
**90
96%
Hodgdon H414
<<locked>>
81%
47819
79%
**97
98%
Hodgdon H4350
<<locked>>
81%
39653
65%
**87
95%
[Hodgdon H4831]*
<<locked>>
88%
37376
61%
**57
90%
[Hodgdon H4831 SC]*
<<locked>>
84%
37202
61%
**57
90%
Hodgdon Hybrid 100V
<<locked>>
81%
38711
64%
**90
100%
Hodgdon LVR
<<locked>>
81%
45005
74%
**35
99%
[Hodgdon Retumbo]*
<<locked>>
92%
30893
51%
**62
90%
Hodgdon Superperformance
<<locked>>
81%
42989
71%
**38
97%
Hodgdon VARGET
<<locked>>
81%
50357
83%
**64
100%
Hodgdon TrailBoss
<<locked>>
91%
32793
54%
**44
100%
IMR 4064
<<locked>>
81%
50096
82%
**51
100%
IMR 4166 Enduron
<<locked>>
81%
48965
80%
**21
98%
IMR 4350
<<locked>>
81%
41365
68%
**16
96%
IMR 4451 Enduron
<<locked>>
81%
46978
77%
**08
98%
IMR 4831
<<locked>>
81%
37565
62%
**74
98%
[IMR 4955 Enduron]*
<<locked>>
83%
36376
60%
**02
90%
[IMR 7828 SSC]*
<<locked>>
84%
36274
60%
**87
90%
Lovex S065
<<locked>>
81%
45324
74%
**75
99%
Lovex S070
<<locked>>
81%
43685
72%
**59
97%
[Lovex S071]*
<<locked>>
81%
28921
47%
**51
93%
[Norma 204]*
<<locked>>
81%
40959
67%
**46
94%
[Norma MRP]*
<<locked>>
81%
33272
55%
**54
93%
Norma URP
<<locked>>
81%
42018
69%
**75
99%
Ramshot Hunter
<<locked>>
81%
40524
67%
**66
97%
[Ramshot Magnum]*
<<locked>>
82%
30821
51%
**39
90%
ReloadSwiss RS 14
<<locked>>
87%
31749
52%
**47
100%
ReloadSwiss RS 60
<<locked>>
81%
44556
73%
**03
100%
ReloadSwiss RS 62
<<locked>>
81%
42293
69%
**12
99%
ReloadSwiss RS 70
<<locked>>
81%
40567
67%
**05
98%
[ReloadSwiss RS 76]*
<<locked>>
87%
31198
51%
**02
90%
Rottweil R 903
<<locked>>
81%
49966
82%
**64
100%
[Rottweil R 904]*
<<locked>>
81%
37492
62%
**34
91%
[Rottweil R 905]*
<<locked>>
81%
35491
58%
**48
93%
Rottweil R 907
<<locked>>
81%
46441
76%
**92
97%
SNPE Vectan SP 11
<<locked>>
81%
50343
83%
**07
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
50256
83%
**56
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
44396
73%
**20
97%
Shooters World Long Rifle
<<locked>>
81%
45324
74%
**75
99%
Somchem S355
<<locked>>
81%
50082
82%
**64
100%
[Somchem S361]*
<<locked>>
81%
38159
63%
**28
91%
Somchem S365
<<locked>>
81%
38740
64%
**43
100%
[Somchem S385]*
<<locked>>
81%
36361
60%
**38
94%
Vihtavuori N135
<<locked>>
81%
48617
80%
**62
100%
Vihtavuori N150
<<locked>>
81%
43091
71%
**16
100%
Vihtavuori N160
<<locked>>
81%
44991
74%
**98
99%
[Vihtavuori N165]*
<<locked>>
81%
30647
50%
**87
91%
Vihtavuori N550
<<locked>>
81%
46050
76%
**48
99%
Vihtavuori N555
<<locked>>
81%
34708
57%
**54
98%
[Vihtavuori N560]*
<<locked>>
85%
37130
61%
**30
90%
[Vihtavuori N565]*
<<locked>>
89%
35273
58%
**87
90%
Winchester 6.5 StaBALL
<<locked>>
81%
42322
69%
**43
100%
Winchester 760
<<locked>>
81%
47819
79%
**97
98%
Winchester StaBALL HD
<<locked>>
81%
28123
46%
**79
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.

bottom of page