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Load data for .375 Swiss P + .374 | 300gr | Rhino Penetrator

Recommended Powder(s): Alliant Reloder-26, IMR 4831, Ramshot Hunter, Vihtavuori N555, Winchester StaBALL HD

.375 Swiss P + .374 | 300gr | Rhino Penetrator

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.374 | 300gr | Rhino Penetrator
Bullet Weight:
300gr | 19.4g
Bullet Diameter:
0.374" | 9.50mm
Bullet Length:
1.496" | 38.0mm
Caliber:
.375 Swiss P load data
Case Length (l3):
2.750" | 69.8mm
Cartridge Length (C.O.L.):
3.626" | 92.1mm
Seated Depth:
0.620" | 15.8mm
Shank Seated Depth:
0.620" | 15.8mm
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_B5316_C569
Last updated:
2025-02-02

Load data for 142 loads in caliber .375 Swiss P with .374 | 300gr | Rhino Penetrator bullet and 71 powders such as Alliant Reloder-26, IMR 4831, Ramshot Hunter, 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%
54752
90%
**05
100%
ADI AR 2209
<<locked>>
95%
54331
89%
**97
99%
ADI AR 2213
<<locked>>
97%
51227
84%
**80
97%
[ADI AR 2217]*
<<locked>>
97%
37173
61%
**92
92%
[ADI AR 2225]*
<<locked>>
97%
33083
54%
**59
94%
Accurate 2700
<<locked>>
85%
54679
90%
**75
99%
Accurate 3100
<<locked>>
97%
50372
83%
**95
100%
Accurate 4350
<<locked>>
90%
54650
90%
**67
100%
Accurate MAGPRO
<<locked>>
97%
49226
81%
**74
95%
Alliant Reloder- TS 15.5
<<locked>>
84%
54375
89%
**08
100%
Alliant Reloder-16
<<locked>>
92%
54534
90%
**10
100%
Alliant Reloder-17
<<locked>>
87%
54491
89%
**10
100%
Alliant Reloder-19
<<locked>>
96%
54070
89%
**90
99%
Alliant Reloder-22
<<locked>>
97%
50154
82%
**74
98%
Alliant Reloder-23
<<locked>>
97%
47485
78%
**15
100%
Alliant Reloder-25
<<locked>>
97%
41365
68%
**46
99%
Alliant Reloder-26 👍
<<locked>>
97%
54360
89%
**92
100%
[Hodgdon H1000]*
<<locked>>
97%
37173
61%
**92
92%
Hodgdon H380
<<locked>>
83%
54331
89%
**28
100%
Hodgdon H414
<<locked>>
86%
54810
90%
**94
100%
Hodgdon H4350
<<locked>>
93%
54694
90%
**41
99%
Hodgdon H4831
<<locked>>
97%
47456
78%
**62
95%
Hodgdon H4831 SC
<<locked>>
97%
53751
88%
**64
97%
Hodgdon Hybrid 100V
<<locked>>
93%
54331
89%
**28
100%
Hodgdon LVR
<<locked>>
89%
54636
90%
**71
100%
[Hodgdon Retumbo]*
<<locked>>
97%
33083
54%
**59
94%
Hodgdon Superperformance
<<locked>>
89%
54505
89%
**20
99%
Hodgdon VARGET
<<locked>>
85%
54375
89%
**05
100%
IMR 4064
<<locked>>
85%
54520
89%
**92
100%
IMR 4166 Enduron
<<locked>>
86%
54288
89%
**92
99%
IMR 4350
<<locked>>
91%
54650
90%
**41
99%
IMR 4451 Enduron
<<locked>>
87%
54708
90%
**15
99%
IMR 4831 👍
<<locked>>
95%
54781
90%
**64
100%
IMR 4955 Enduron
<<locked>>
97%
52721
87%
**12
97%
IMR 7828 SSC
<<locked>>
97%
52170
86%
**07
97%
Lovex S065
<<locked>>
89%
54650
90%
**18
100%
Lovex S070
<<locked>>
90%
54549
90%
**35
100%
Lovex S071
<<locked>>
97%
42061
69%
**61
98%
Norma 204
<<locked>>
91%
54650
90%
**74
98%
Norma MRP
<<locked>>
97%
52866
87%
**49
99%
Norma URP
<<locked>>
91%
54679
90%
**71
100%
Ramshot Hunter 👍
<<locked>>
92%
54766
90%
**94
100%
Ramshot Magnum
<<locked>>
97%
48631
80%
**35
98%
ReloadSwiss RS 50
<<locked>>
83%
54650
90%
**21
100%
ReloadSwiss RS 60
<<locked>>
88%
54592
90%
**40
100%
ReloadSwiss RS 62
<<locked>>
90%
54665
90%
**00
100%
ReloadSwiss RS 70
<<locked>>
91%
54505
89%
**43
100%
ReloadSwiss RS 76
<<locked>>
97%
39842
65%
**59
97%
Rottweil R 903
<<locked>>
85%
54549
90%
**15
100%
Rottweil R 904
<<locked>>
95%
54520
90%
**48
98%
Rottweil R 905
<<locked>>
96%
54708
90%
**00
99%
Rottweil R 907
<<locked>>
88%
54621
90%
**18
99%
SNPE Vectan SP 11
<<locked>>
85%
54636
90%
**48
100%
SNPE Vectan Tubal 5000
<<locked>>
85%
54636
90%
**90
100%
SNPE Vectan Tubal 7000
<<locked>>
89%
54665
90%
**79
100%
Shooters World Long Rifle
<<locked>>
89%
54650
90%
**18
100%
Somchem S355
<<locked>>
85%
54592
90%
**08
100%
Somchem S361
<<locked>>
94%
54418
89%
**18
97%
Somchem S365
<<locked>>
93%
54810
90%
**80
100%
Somchem S385
<<locked>>
96%
54636
90%
**64
99%
Vihtavuori N135
<<locked>>
87%
54665
90%
**26
100%
Vihtavuori N150
<<locked>>
91%
54650
90%
**72
100%
Vihtavuori N160
<<locked>>
88%
54520
89%
**35
100%
Vihtavuori N165
<<locked>>
97%
46644
77%
**36
98%
Vihtavuori N550
<<locked>>
88%
54636
90%
**74
100%
Vihtavuori N555 👍
<<locked>>
97%
53055
87%
**80
100%
Vihtavuori N560
<<locked>>
97%
50386
83%
**97
97%
Vihtavuori N565
<<locked>>
97%
42482
70%
**46
95%
Winchester 6.5 StaBALL
<<locked>>
90%
54665
90%
**15
100%
Winchester 760
<<locked>>
86%
54810
90%
**94
100%
Winchester StaBALL HD 👍
<<locked>>
97%
42525
70%
**71
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
49023
80%
**20
100%
[ADI AR 2209]*
<<locked>>
81%
34011
56%
**06
93%
[ADI AR 2213]*
<<locked>>
84%
33475
55%
**13
90%
[ADI AR 2217]*
<<locked>>
94%
33576
55%
**06
90%
[ADI AR 2225]*
<<locked>>
92%
28166
46%
**08
90%
Accurate 2700
<<locked>>
81%
47181
77%
**64
98%
[Accurate 3100]*
<<locked>>
81%
29544
48%
**92
94%
Accurate 4350
<<locked>>
81%
40219
66%
**38
99%
[Accurate MAGPRO]*
<<locked>>
89%
37492
62%
**38
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
49705
82%
**46
100%
Alliant Reloder-16
<<locked>>
81%
38885
64%
**41
99%
Alliant Reloder-17
<<locked>>
81%
44280
73%
**56
100%
[Alliant Reloder-19]*
<<locked>>
81%
33924
56%
**03
93%
[Alliant Reloder-22]*
<<locked>>
81%
29747
49%
**38
91%
Alliant Reloder-23
<<locked>>
81%
28587
47%
**24
98%
[Alliant Reloder-25]*
<<locked>>
81%
25179
41%
**19
91%
Alliant Reloder-26
<<locked>>
81%
30545
50%
**29
96%
[Hodgdon H1000]*
<<locked>>
94%
33576
55%
**06
90%
Hodgdon H380
<<locked>>
81%
50604
83%
**69
100%
Hodgdon H414
<<locked>>
81%
45745
75%
**52
99%
Hodgdon H4350
<<locked>>
81%
37521
62%
**36
96%
[Hodgdon H4831]*
<<locked>>
86%
33968
56%
**87
90%
[Hodgdon H4831 SC]*
<<locked>>
83%
33968
56%
**87
90%
Hodgdon Hybrid 100V
<<locked>>
81%
36564
60%
**43
100%
Hodgdon LVR
<<locked>>
81%
42917
70%
**77
99%
[Hodgdon Retumbo]*
<<locked>>
92%
28166
46%
**08
90%
Hodgdon Superperformance
<<locked>>
81%
40886
67%
**93
97%
Hodgdon VARGET
<<locked>>
81%
48805
80%
**20
100%
IMR 4064
<<locked>>
81%
48283
79%
**03
100%
IMR 4166 Enduron
<<locked>>
81%
47485
78%
**80
99%
IMR 4350
<<locked>>
81%
39552
65%
**79
96%
IMR 4451 Enduron
<<locked>>
81%
45411
75%
**74
98%
IMR 4831
<<locked>>
81%
35099
58%
**16
98%
[IMR 4955 Enduron]*
<<locked>>
82%
33040
54%
**34
90%
[IMR 7828 SSC]*
<<locked>>
83%
33011
54%
**16
90%
Lovex S065
<<locked>>
81%
42888
70%
**21
99%
Lovex S070
<<locked>>
81%
41046
67%
**11
98%
[Lovex S071]*
<<locked>>
81%
25295
42%
**73
92%
Norma 204
<<locked>>
81%
39102
64%
**08
95%
[Norma MRP]*
<<locked>>
81%
30748
50%
**00
93%
Norma URP
<<locked>>
81%
39827
65%
**31
99%
Ramshot Hunter
<<locked>>
81%
38537
63%
**21
98%
[Ramshot Magnum]*
<<locked>>
82%
28340
47%
**92
90%
ReloadSwiss RS 50
<<locked>>
81%
50604
83%
**59
99%
ReloadSwiss RS 60
<<locked>>
81%
42641
70%
**52
100%
ReloadSwiss RS 62
<<locked>>
81%
39900
65%
**51
99%
ReloadSwiss RS 70
<<locked>>
81%
38595
63%
**61
99%
[ReloadSwiss RS 76]*
<<locked>>
87%
28601
47%
**47
90%
Rottweil R 903
<<locked>>
81%
47355
78%
**07
100%
[Rottweil R 904]*
<<locked>>
81%
35273
58%
**93
92%
[Rottweil R 905]*
<<locked>>
81%
32909
54%
**90
93%
Rottweil R 907
<<locked>>
81%
44092
72%
**44
98%
SNPE Vectan SP 11
<<locked>>
81%
48515
80%
**56
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
48341
79%
**11
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
42047
69%
**72
98%
Shooters World Long Rifle
<<locked>>
81%
42888
70%
**21
99%
Somchem S355
<<locked>>
81%
47456
78%
**07
100%
[Somchem S361]*
<<locked>>
81%
35897
59%
**83
91%
Somchem S365
<<locked>>
81%
36245
60%
**88
100%
[Somchem S385]*
<<locked>>
81%
33460
55%
**77
94%
Vihtavuori N135
<<locked>>
81%
46325
76%
**15
100%
Vihtavuori N150
<<locked>>
81%
40770
67%
**62
100%
Vihtavuori N160
<<locked>>
81%
42801
70%
**54
100%
[Vihtavuori N165]*
<<locked>>
81%
28166
46%
**36
91%
Vihtavuori N550
<<locked>>
81%
43482
71%
**97
100%
Vihtavuori N555
<<locked>>
81%
31589
52%
**90
98%
[Vihtavuori N560]*
<<locked>>
85%
33649
55%
**46
90%
[Vihtavuori N565]*
<<locked>>
89%
32561
53%
**26
90%
Winchester 6.5 StaBALL
<<locked>>
81%
40147
66%
**98
100%
Winchester 760
<<locked>>
81%
45745
75%
**52
99%
Winchester StaBALL HD
<<locked>>
81%
25309
42%
**08
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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