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Load data for .375 Swiss P + .375 | 300gr | Impala RNFP

Recommended Powder(s):

.375 Swiss P + .375 | 300gr | Impala RNFP

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.375 | 300gr | Impala RNFP
Bullet Weight:
300gr | 19.4g
Bullet Diameter:
0.375" | 9.52mm
Bullet Length:
<<locked>>
Caliber:
.375 Swiss P load data
Case Length (l3):
2.750" | 69.8mm
Cartridge Length (C.O.L.):
<<locked>>
Seated Depth:
<<locked>>
Shank Seated Depth:
<<locked>>
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_B10714_C569
Last updated:
2026-03-24

Load data for 146 loads in caliber .375 Swiss P with .375 | 300gr | Impala RNFP bullet and 73 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 2209
<<locked>>
93%
54665
90%
**90
99%
ADI AR 2213
<<locked>>
97%
54157
89%
**17
98%
[ADI AR 2217]*
<<locked>>
97%
40872
67%
**64
94%
ADI AR 2225
<<locked>>
97%
36492
60%
**31
96%
Accurate 2700
<<locked>>
83%
54563
90%
**62
99%
Accurate 3100
<<locked>>
96%
54549
90%
**38
100%
Accurate 4350
<<locked>>
87%
54650
90%
**57
100%
Accurate MAGPRO
<<locked>>
97%
53838
88%
**30
96%
Alliant Reloder-16
<<locked>>
89%
54215
89%
**94
100%
Alliant Reloder-17
<<locked>>
85%
54534
90%
**00
100%
Alliant Reloder-19
<<locked>>
94%
54418
89%
**84
99%
Alliant Reloder-22
<<locked>>
97%
54215
89%
**26
99%
Alliant Reloder-23
<<locked>>
97%
51663
85%
**64
100%
Alliant Reloder-25
<<locked>>
97%
45310
74%
**08
100%
Alliant Reloder-26 👍
<<locked>>
94%
54665
90%
**82
100%
[Baschieri & Pellagri 109]*
<<locked>>
97%
53577
88%
**35
94%
Bofors RP15
<<locked>>
97%
50459
83%
**64
98%
Bofors RP30
<<locked>>
97%
41814
69%
**39
95%
Bofors RP5
<<locked>>
97%
54215
89%
**26
99%
Bofors RP7
<<locked>>
86%
54723
90%
**05
99%
[Hodgdon H1000]*
<<locked>>
97%
40872
67%
**64
94%
Hodgdon H414
<<locked>>
84%
54404
89%
**77
100%
Hodgdon H4350
<<locked>>
91%
54433
89%
**28
99%
Hodgdon H4831
<<locked>>
97%
51024
84%
**12
96%
Hodgdon H4831 SC
<<locked>>
95%
54781
90%
**71
97%
Hodgdon Hybrid 100V
<<locked>>
91%
54244
89%
**18
100%
Hodgdon LVR
<<locked>>
86%
54563
90%
**51
100%
Hodgdon Retumbo
<<locked>>
97%
36492
60%
**31
96%
Hodgdon Superperformance
<<locked>>
87%
54288
89%
**10
99%
Hodgdon TrailBoss
<<locked>>
96%
35418
58%
**01
100%
IMR 4166 Enduron
<<locked>>
84%
54752
90%
**82
100%
IMR 4350
<<locked>>
89%
54549
90%
**28
99%
IMR 4451 Enduron
<<locked>>
85%
54592
90%
**12
100%
IMR 4831
<<locked>>
93%
54563
90%
**41
100%
IMR 4955 Enduron
<<locked>>
96%
54462
89%
**28
97%
IMR 7828 SSC
<<locked>>
96%
54723
90%
**36
98%
Lovex S065
<<locked>>
86%
54302
89%
**98
100%
Lovex S070
<<locked>>
88%
54621
90%
**21
100%
Lovex S071
<<locked>>
97%
47181
77%
**26
99%
Norma 204
<<locked>>
89%
54708
90%
**64
99%
[Norma 217]*
<<locked>>
97%
33025
54%
**75
94%
Norma MRP 👍
<<locked>>
95%
54360
89%
**59
100%
Norma URP
<<locked>>
88%
54375
89%
**54
100%
Ramshot Grand
<<locked>>
94%
54128
89%
**40
98%
Ramshot Hunter
<<locked>>
89%
54230
89%
**77
100%
Ramshot Magnum
<<locked>>
97%
52634
86%
**90
99%
ReloadSwiss RS 14
<<locked>>
96%
36230
59%
**37
100%
ReloadSwiss RS 60
<<locked>>
83%
54505
89%
**97
100%
ReloadSwiss RS 62
<<locked>>
88%
54795
90%
**87
100%
ReloadSwiss RS 70
<<locked>>
89%
54433
89%
**30
100%
ReloadSwiss RS 76
<<locked>>
97%
44251
73%
**38
99%
[ReloadSwiss RS 80]*
<<locked>>
97%
39914
66%
**23
92%
Rottweil R 904
<<locked>>
92%
54418
89%
**35
98%
Rottweil R 905 👍
<<locked>>
94%
54723
90%
**84
99%
Rottweil R 907
<<locked>>
86%
54723
90%
**05
99%
SNPE Vectan Tubal 7000
<<locked>>
87%
54723
90%
**66
100%
Shooters World Long Rifle
<<locked>>
86%
54302
89%
**98
100%
Somchem S361
<<locked>>
91%
54578
90%
**08
97%
Somchem S365
<<locked>>
91%
54694
90%
**67
100%
Somchem S385 👍
<<locked>>
93%
54795
90%
**51
99%
Vihtavuori N135
<<locked>>
84%
54694
90%
**13
100%
Vihtavuori N150
<<locked>>
88%
54781
90%
**59
100%
Vihtavuori N160
<<locked>>
86%
54186
89%
**18
100%
Vihtavuori N165
<<locked>>
97%
50865
83%
**85
99%
Vihtavuori N550
<<locked>>
86%
54505
89%
**57
100%
Vihtavuori N555
<<locked>>
95%
54491
89%
**87
100%
Vihtavuori N560
<<locked>>
97%
54723
90%
**59
97%
Vihtavuori N565
<<locked>>
97%
47340
78%
**15
96%
[Vihtavuori N568]*
<<locked>>
97%
41292
68%
**39
92%
Winchester 6.5 StaBALL
<<locked>>
88%
54447
89%
**02
100%
Winchester 760
<<locked>>
84%
54404
89%
**77
100%
Winchester StaBALL HD 👍
<<locked>>
97%
46891
77%
**33
100%
Winchester Supreme 780
<<locked>>
93%
54810
90%
**51
99%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
[ADI AR 2209]*
<<locked>>
81%
37376
61%
**72
94%
[ADI AR 2213]*
<<locked>>
81%
33533
55%
**97
90%
[ADI AR 2217]*
<<locked>>
90%
33446
55%
**87
90%
[ADI AR 2225]*
<<locked>>
87%
28094
46%
**85
90%
Accurate 2700
<<locked>>
81%
50792
83%
**03
99%
Accurate 3100
<<locked>>
81%
33953
56%
**70
96%
Accurate 4350
<<locked>>
81%
44614
73%
**00
100%
[Accurate MAGPRO]*
<<locked>>
85%
36985
61%
**11
90%
Alliant Reloder-16
<<locked>>
81%
42337
69%
**93
100%
Alliant Reloder-17
<<locked>>
81%
48109
79%
**08
100%
[Alliant Reloder-19]*
<<locked>>
81%
37101
61%
**69
94%
[Alliant Reloder-22]*
<<locked>>
81%
33330
55%
**20
93%
Alliant Reloder-23
<<locked>>
81%
32198
53%
**97
99%
[Alliant Reloder-25]*
<<locked>>
81%
28572
47%
**05
94%
Alliant Reloder-26
<<locked>>
81%
34563
57%
**11
98%
[Baschieri & Pellagri 109]*
<<locked>>
88%
42061
69%
**18
90%
[Bofors RP15]*
<<locked>>
81%
31270
51%
**60
92%
[Bofors RP30]*
<<locked>>
87%
31212
51%
**90
90%
[Bofors RP5]*
<<locked>>
81%
33330
55%
**20
93%
Bofors RP7
<<locked>>
81%
47761
78%
**90
98%
[Hodgdon H1000]*
<<locked>>
90%
33446
55%
**87
90%
Hodgdon H414
<<locked>>
81%
49545
81%
**98
99%
Hodgdon H4350
<<locked>>
81%
40901
67%
**92
97%
[Hodgdon H4831]*
<<locked>>
83%
33634
55%
**64
90%
[Hodgdon H4831 SC]*
<<locked>>
81%
34954
57%
**97
91%
Hodgdon Hybrid 100V
<<locked>>
81%
40016
66%
**95
100%
Hodgdon LVR
<<locked>>
81%
46485
76%
**26
100%
[Hodgdon Retumbo]*
<<locked>>
87%
28094
46%
**85
90%
Hodgdon Superperformance
<<locked>>
81%
44788
74%
**56
98%
Hodgdon TrailBoss
<<locked>>
83%
29080
48%
**80
100%
IMR 4166 Enduron
<<locked>>
81%
50299
83%
**13
99%
IMR 4350
<<locked>>
81%
42931
70%
**28
97%
IMR 4451 Enduron
<<locked>>
81%
48689
80%
**13
99%
IMR 4831
<<locked>>
81%
38870
64%
**75
99%
[IMR 4955 Enduron]*
<<locked>>
81%
35404
58%
**74
91%
[IMR 7828 SSC]*
<<locked>>
81%
34287
56%
**29
91%
Lovex S065
<<locked>>
81%
46644
77%
**70
99%
Lovex S070
<<locked>>
81%
44904
74%
**67
98%
Lovex S071
<<locked>>
81%
29776
49%
**75
95%
Norma 204
<<locked>>
81%
42467
70%
**57
96%
[Norma 217]*
<<locked>>
91%
27876
46%
**21
90%
Norma MRP
<<locked>>
81%
34461
57%
**72
95%
Norma URP
<<locked>>
81%
43642
72%
**87
100%
[Ramshot Grand]*
<<locked>>
81%
34838
57%
**52
92%
Ramshot Hunter
<<locked>>
81%
42322
69%
**80
99%
[Ramshot Magnum]*
<<locked>>
81%
30719
50%
**41
92%
ReloadSwiss RS 14
<<locked>>
81%
29080
48%
**03
100%
ReloadSwiss RS 60
<<locked>>
81%
50807
83%
**44
100%
ReloadSwiss RS 62
<<locked>>
81%
43990
72%
**13
100%
ReloadSwiss RS 70
<<locked>>
81%
42076
69%
**16
99%
[ReloadSwiss RS 76]*
<<locked>>
83%
28152
46%
**15
90%
[ReloadSwiss RS 80]*
<<locked>>
94%
35940
59%
**31
90%
[Rottweil R 904]*
<<locked>>
81%
38740
64%
**52
94%
Rottweil R 905
<<locked>>
81%
36521
60%
**59
95%
Rottweil R 907
<<locked>>
81%
47761
78%
**90
98%
SNPE Vectan Tubal 7000
<<locked>>
81%
45745
75%
**21
98%
Shooters World Long Rifle
<<locked>>
81%
46644
77%
**70
99%
[Somchem S361]*
<<locked>>
81%
39378
65%
**43
93%
Somchem S365
<<locked>>
81%
40364
66%
**51
100%
Somchem S385
<<locked>>
81%
37449
61%
**49
96%
Vihtavuori N135
<<locked>>
81%
50183
82%
**51
100%
Vihtavuori N150
<<locked>>
81%
44498
73%
**08
100%
Vihtavuori N160
<<locked>>
81%
46586
76%
**00
100%
[Vihtavuori N165]*
<<locked>>
81%
31589
52%
**11
93%
Vihtavuori N550
<<locked>>
81%
47442
78%
**46
100%
Vihtavuori N555
<<locked>>
81%
36085
59%
**69
99%
[Vihtavuori N560]*
<<locked>>
81%
33460
55%
**23
90%
[Vihtavuori N565]*
<<locked>>
85%
32053
53%
**97
90%
[Vihtavuori N568]*
<<locked>>
93%
37101
61%
**41
90%
Winchester 6.5 StaBALL
<<locked>>
81%
43613
72%
**41
100%
Winchester 760
<<locked>>
81%
49545
81%
**98
99%
Winchester StaBALL HD
<<locked>>
81%
28892
47%
**10
99%
[Winchester Supreme 780]*
<<locked>>
81%
36666
60%
**33
94%

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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