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Load data for .375 Swiss P + .375 | 270gr | Impala RNFP KO

Recommended Powder(s): Alliant Reloder-26, Ramshot Hunter, ReloadSwiss RS 62, ReloadSwiss RS 70, Vihtavuori N555

.375 Swiss P + .375 | 270gr | Impala RNFP KO

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.375 | 270gr | Impala RNFP KO
Bullet Weight:
270gr | 17.5g
Bullet Diameter:
0.375" | 9.52mm
Bullet Length:
1.329" | 33.8mm
Caliber:
.375 Swiss P load data
Case Length (l3):
2.750" | 69.8mm
Cartridge Length (C.O.L.):
3.626" | 92.1mm
Seated Depth:
0.453" | 11.5mm
Shank Seated Depth:
0.453" | 11.5mm
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_B3013_C569
Last updated:
2025-02-02

Load data for 142 loads in caliber .375 Swiss P with .375 | 270gr | Impala RNFP KO bullet and 71 powders such as Alliant Reloder-26, Ramshot Hunter, ReloadSwiss RS 62, ReloadSwiss RS 70, Vihtavuori N555. 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%
54534
90%
**43
100%
ADI AR 2209
<<locked>>
95%
54259
89%
**31
98%
ADI AR 2213
<<locked>>
97%
51314
84%
**02
96%
[ADI AR 2225]*
<<locked>>
97%
33489
55%
**61
92%
Accurate 2700
<<locked>>
85%
54592
90%
**03
98%
Accurate 3100
<<locked>>
97%
51068
84%
**40
99%
Accurate 4350
<<locked>>
90%
54766
90%
**08
100%
[Accurate MAGPRO]*
<<locked>>
97%
49603
81%
**02
94%
Alliant Reloder- TS 15.5
<<locked>>
84%
54549
90%
**56
100%
Alliant Reloder-16
<<locked>>
92%
54708
90%
**54
100%
Alliant Reloder-17
<<locked>>
87%
54766
90%
**61
100%
Alliant Reloder-19
<<locked>>
96%
54621
90%
**35
98%
Alliant Reloder-22
<<locked>>
97%
50372
83%
**12
97%
Alliant Reloder-23
<<locked>>
97%
47790
78%
**53
100%
Alliant Reloder-25
<<locked>>
97%
41959
69%
**74
98%
Alliant Reloder-26 👍
<<locked>>
97%
53751
88%
**30
100%
Hodgdon H380
<<locked>>
83%
54331
89%
**62
100%
Hodgdon H414
<<locked>>
86%
54810
90%
**25
99%
Hodgdon H4350
<<locked>>
93%
54694
90%
**72
99%
[Hodgdon H4831]*
<<locked>>
97%
47485
78%
**87
94%
Hodgdon H4831 SC
<<locked>>
97%
53606
88%
**95
96%
Hodgdon Hybrid 100V
<<locked>>
93%
54404
89%
**76
100%
Hodgdon LVR
<<locked>>
88%
54505
89%
**12
100%
[Hodgdon Retumbo]*
<<locked>>
97%
33489
55%
**61
92%
Hodgdon Superperformance
<<locked>>
89%
54288
89%
**54
99%
Hodgdon VARGET
<<locked>>
85%
54534
90%
**43
100%
Hodgdon TrailBoss
<<locked>>
97%
35288
58%
**99
100%
IMR 4064
<<locked>>
85%
54810
90%
**33
100%
IMR 4166 Enduron
<<locked>>
86%
54462
89%
**26
99%
IMR 4350
<<locked>>
92%
54824
90%
**76
99%
IMR 4451 Enduron
<<locked>>
87%
54723
90%
**56
99%
IMR 4831
<<locked>>
95%
54549
90%
**95
100%
IMR 4955 Enduron
<<locked>>
97%
52794
87%
**43
96%
IMR 7828 SSC
<<locked>>
97%
52431
86%
**44
96%
Lovex S065
<<locked>>
89%
54607
90%
**53
100%
Lovex S070
<<locked>>
90%
54433
89%
**72
99%
Lovex S071
<<locked>>
97%
42627
70%
**92
98%
Norma 204
<<locked>>
91%
54650
90%
**12
98%
Norma MRP
<<locked>>
97%
53171
87%
**87
99%
Norma URP
<<locked>>
91%
54447
89%
**08
100%
Ramshot Hunter 👍
<<locked>>
92%
54781
90%
**35
100%
Ramshot Magnum
<<locked>>
97%
48472
80%
**56
97%
ReloadSwiss RS 14
<<locked>>
97%
35955
59%
**39
100%
ReloadSwiss RS 50
<<locked>>
83%
54665
90%
**59
99%
ReloadSwiss RS 60
<<locked>>
88%
54520
90%
**77
100%
ReloadSwiss RS 62 👍
<<locked>>
90%
54592
90%
**38
100%
ReloadSwiss RS 70 👍
<<locked>>
91%
54505
89%
**87
100%
ReloadSwiss RS 76
<<locked>>
97%
40393
66%
**80
96%
Rottweil R 903
<<locked>>
85%
54172
89%
**49
100%
Rottweil R 904
<<locked>>
95%
54476
89%
**82
97%
Rottweil R 905
<<locked>>
96%
54650
90%
**35
98%
Rottweil R 907
<<locked>>
88%
54476
89%
**46
99%
SNPE Vectan SP 11
<<locked>>
85%
54607
90%
**92
100%
SNPE Vectan Tubal 5000
<<locked>>
85%
54418
89%
**28
100%
SNPE Vectan Tubal 7000
<<locked>>
89%
54621
90%
**07
99%
Shooters World Long Rifle
<<locked>>
89%
54607
90%
**53
100%
Somchem S355
<<locked>>
85%
54694
90%
**49
100%
Somchem S361
<<locked>>
94%
54346
89%
**43
96%
Somchem S365
<<locked>>
93%
54404
89%
**28
100%
Somchem S385
<<locked>>
96%
54491
89%
**99
99%
Vihtavuori N135
<<locked>>
86%
54592
90%
**61
100%
Vihtavuori N150
<<locked>>
90%
54795
90%
**17
100%
Vihtavuori N160
<<locked>>
88%
54244
89%
**66
100%
Vihtavuori N165
<<locked>>
97%
47181
77%
**64
97%
Vihtavuori N550
<<locked>>
88%
54810
90%
**12
100%
Vihtavuori N555 👍
<<locked>>
97%
53345
88%
**31
100%
Vihtavuori N560
<<locked>>
97%
50415
83%
**18
95%
[Vihtavuori N565]*
<<locked>>
97%
43120
71%
**74
93%
Winchester 6.5 StaBALL
<<locked>>
90%
54766
90%
**56
100%
Winchester 760
<<locked>>
86%
54810
90%
**25
99%
Winchester StaBALL HD
<<locked>>
97%
41669
68%
**95
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
49429
81%
**61
100%
[ADI AR 2209]*
<<locked>>
81%
34577
57%
**25
91%
[ADI AR 2213]*
<<locked>>
86%
36303
60%
**87
90%
[ADI AR 2225]*
<<locked>>
93%
30560
50%
**72
90%
Accurate 2700
<<locked>>
81%
47630
78%
**92
97%
[Accurate 3100]*
<<locked>>
81%
30618
50%
**20
94%
Accurate 4350
<<locked>>
81%
41046
67%
**72
99%
[Accurate MAGPRO]*
<<locked>>
91%
40654
67%
**18
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
50067
82%
**87
100%
Alliant Reloder-16
<<locked>>
81%
39378
65%
**79
99%
Alliant Reloder-17
<<locked>>
81%
44382
73%
**87
100%
[Alliant Reloder-19]*
<<locked>>
81%
34534
57%
**34
92%
[Alliant Reloder-22]*
<<locked>>
82%
31517
52%
**95
90%
Alliant Reloder-23
<<locked>>
81%
29370
48%
**46
97%
[Alliant Reloder-25]*
<<locked>>
81%
26078
43%
**38
90%
Alliant Reloder-26
<<locked>>
81%
31343
51%
**51
95%
Hodgdon H380
<<locked>>
81%
51169
84%
**10
100%
Hodgdon H414
<<locked>>
81%
45861
75%
**77
98%
Hodgdon H4350
<<locked>>
81%
38174
63%
**61
95%
[Hodgdon H4831]*
<<locked>>
89%
37231
61%
**67
90%
[Hodgdon H4831 SC]*
<<locked>>
85%
37231
61%
**67
90%
Hodgdon Hybrid 100V
<<locked>>
81%
37014
61%
**74
99%
Hodgdon LVR
<<locked>>
81%
43265
71%
**08
99%
[Hodgdon Retumbo]*
<<locked>>
93%
30560
50%
**72
90%
Hodgdon Superperformance
<<locked>>
81%
41379
68%
**21
96%
Hodgdon VARGET
<<locked>>
81%
48863
80%
**51
100%
Hodgdon TrailBoss
<<locked>>
91%
32358
53%
**44
100%
IMR 4064
<<locked>>
81%
48631
80%
**38
100%
IMR 4166 Enduron
<<locked>>
81%
47543
78%
**05
98%
IMR 4350
<<locked>>
81%
39972
66%
**07
95%
IMR 4451 Enduron
<<locked>>
81%
45687
75%
**05
98%
IMR 4831
<<locked>>
81%
35766
59%
**51
98%
[IMR 4955 Enduron]*
<<locked>>
84%
36071
59%
**15
90%
[IMR 7828 SSC]*
<<locked>>
86%
36260
60%
**97
90%
Lovex S065
<<locked>>
81%
43671
72%
**62
98%
Lovex S070
<<locked>>
81%
41843
69%
**39
97%
[Lovex S071]*
<<locked>>
81%
26745
44%
**11
91%
[Norma 204]*
<<locked>>
81%
39421
65%
**26
94%
[Norma MRP]*
<<locked>>
81%
31604
52%
**18
92%
Norma URP
<<locked>>
81%
40379
66%
**59
99%
Ramshot Hunter
<<locked>>
81%
38870
64%
**46
97%
[Ramshot Magnum]*
<<locked>>
84%
30908
51%
**59
90%
ReloadSwiss RS 14
<<locked>>
86%
31082
51%
**40
100%
ReloadSwiss RS 50
<<locked>>
81%
50850
83%
**90
99%
ReloadSwiss RS 60
<<locked>>
81%
43091
71%
**90
100%
ReloadSwiss RS 62
<<locked>>
81%
40451
66%
**85
98%
ReloadSwiss RS 70
<<locked>>
81%
38841
64%
**89
98%
[ReloadSwiss RS 76]*
<<locked>>
89%
31169
51%
**21
90%
Rottweil R 903
<<locked>>
81%
48066
79%
**51
100%
[Rottweil R 904]*
<<locked>>
81%
35868
59%
**11
91%
[Rottweil R 905]*
<<locked>>
81%
33533
55%
**15
92%
Rottweil R 907
<<locked>>
81%
44744
73%
**79
97%
SNPE Vectan SP 11
<<locked>>
81%
48443
80%
**94
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
48588
80%
**46
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
42656
70%
**03
97%
Shooters World Long Rifle
<<locked>>
81%
43671
72%
**62
98%
Somchem S355
<<locked>>
81%
47921
79%
**41
100%
[Somchem S361]*
<<locked>>
81%
36811
60%
**15
90%
Somchem S365
<<locked>>
81%
36767
60%
**26
100%
[Somchem S385]*
<<locked>>
81%
34301
56%
**02
93%
Vihtavuori N135
<<locked>>
81%
47036
77%
**52
100%
Vihtavuori N150
<<locked>>
81%
41394
68%
**93
100%
Vihtavuori N160
<<locked>>
81%
43366
71%
**82
99%
[Vihtavuori N165]*
<<locked>>
82%
29762
49%
**83
90%
Vihtavuori N550
<<locked>>
81%
44208
73%
**31
99%
Vihtavuori N555
<<locked>>
81%
32561
53%
**21
97%
[Vihtavuori N560]*
<<locked>>
87%
36550
60%
**33
90%
[Vihtavuori N565]*
<<locked>>
91%
35404
58%
**03
90%
Winchester 6.5 StaBALL
<<locked>>
81%
40538
67%
**23
100%
Winchester 760
<<locked>>
81%
45861
75%
**77
98%
Winchester StaBALL HD
<<locked>>
81%
26252
43%
**26
96%

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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