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Load data for .375 Swiss P + .375 | 300gr | Hornady FMJ RN

Recommended Powder(s): Alliant Reloder-26, Norma MRP, Ramshot Hunter, Somchem S385, Winchester StaBALL HD

.375 Swiss P + .375 | 300gr | Hornady FMJ RN

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.375 | 300gr | Hornady FMJ RN
Manufacturer SKU:
3727
Bullet Weight:
300gr | 19.4g
Bullet Diameter:
0.375" | 9.52mm
Bullet Length:
1.264" | 32.1mm
Caliber:
.375 Swiss P load data
Case Length (l3):
2.750" | 69.8mm
Cartridge Length (C.O.L.):
3.626" | 92.1mm
Seated Depth:
0.388" | 9.9mm
Shank Seated Depth:
0.388" | 9.9mm
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_B2812_C569
Last updated:
2025-02-02

Load data for 138 loads in caliber .375 Swiss P with .375 | 300gr | Hornady FMJ RN bullet and 69 powders such as Alliant Reloder-26, Norma MRP, Ramshot Hunter, Somchem S385, 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 2209
<<locked>>
94%
54375
89%
**20
99%
ADI AR 2213
<<locked>>
97%
54404
89%
**53
98%
[ADI AR 2217]*
<<locked>>
97%
39784
65%
**70
94%
ADI AR 2225
<<locked>>
97%
35288
58%
**34
96%
Accurate 2700
<<locked>>
84%
54404
89%
**95
99%
Accurate 3100
<<locked>>
97%
53983
89%
**67
100%
Accurate 4350
<<locked>>
88%
54781
90%
**84
100%
Accurate MAGPRO
<<locked>>
97%
53345
88%
**56
96%
Alliant Reloder-16
<<locked>>
90%
54679
90%
**30
100%
Alliant Reloder-17
<<locked>>
85%
54665
90%
**33
100%
Alliant Reloder-19
<<locked>>
94%
54708
90%
**20
99%
Alliant Reloder-22
<<locked>>
97%
53679
88%
**43
99%
Alliant Reloder-23
<<locked>>
97%
51039
84%
**77
100%
Alliant Reloder-25
<<locked>>
97%
44295
73%
**18
100%
Alliant Reloder-26 👍
<<locked>>
95%
54694
90%
**15
100%
[Hodgdon H1000]*
<<locked>>
97%
39784
65%
**70
94%
Hodgdon H414
<<locked>>
85%
54737
90%
**10
100%
Hodgdon H4350
<<locked>>
91%
54795
90%
**61
99%
Hodgdon H4831
<<locked>>
97%
50111
82%
**28
96%
Hodgdon H4831 SC
<<locked>>
96%
54824
90%
**03
97%
Hodgdon Hybrid 100V
<<locked>>
92%
54592
90%
**48
100%
Hodgdon LVR
<<locked>>
87%
54824
90%
**90
100%
Hodgdon Retumbo
<<locked>>
97%
35288
58%
**34
96%
Hodgdon Superperformance
<<locked>>
87%
54766
90%
**40
100%
Hodgdon VARGET
<<locked>>
83%
54375
89%
**21
100%
IMR 4064
<<locked>>
84%
54665
90%
**12
100%
IMR 4166 Enduron
<<locked>>
84%
54723
90%
**18
100%
IMR 4350
<<locked>>
89%
54346
89%
**57
99%
IMR 4451 Enduron
<<locked>>
85%
54302
89%
**35
100%
IMR 4831
<<locked>>
93%
54694
90%
**67
100%
IMR 4955 Enduron
<<locked>>
96%
54766
90%
**64
98%
IMR 7828 SSC
<<locked>>
96%
54476
89%
**62
98%
Lovex S065
<<locked>>
87%
54694
90%
**31
100%
Lovex S070
<<locked>>
88%
54708
90%
**57
100%
Lovex S071
<<locked>>
97%
45194
74%
**33
99%
Norma 204
<<locked>>
89%
54549
90%
**00
99%
[Norma 217]*
<<locked>>
97%
31053
51%
**56
93%
Norma MRP 👍
<<locked>>
96%
54578
90%
**85
100%
Norma URP
<<locked>>
89%
54723
90%
**87
100%
Ramshot Hunter 👍
<<locked>>
90%
54766
90%
**10
100%
Ramshot Magnum
<<locked>>
97%
52344
86%
**17
99%
ReloadSwiss RS 60
<<locked>>
86%
54302
89%
**46
100%
ReloadSwiss RS 62
<<locked>>
88%
54781
90%
**17
100%
ReloadSwiss RS 70
<<locked>>
89%
54288
89%
**59
100%
ReloadSwiss RS 76
<<locked>>
97%
42931
70%
**38
99%
[ReloadSwiss RS 80]*
<<locked>>
97%
38537
63%
**20
92%
Rottweil R 903
<<locked>>
84%
54404
89%
**31
100%
Rottweil R 904
<<locked>>
93%
54273
89%
**64
98%
Rottweil R 905
<<locked>>
94%
54418
89%
**13
99%
Rottweil R 907
<<locked>>
86%
54679
90%
**44
99%
SNPE Vectan Tubal 5000
<<locked>>
83%
54679
90%
**07
100%
SNPE Vectan Tubal 7000
<<locked>>
87%
54578
90%
**95
100%
Shooters World Long Rifle
<<locked>>
87%
54694
90%
**31
100%
Somchem S355
<<locked>>
84%
54781
90%
**31
100%
Somchem S361
<<locked>>
92%
54723
90%
**41
97%
Somchem S365
<<locked>>
91%
54592
90%
**94
100%
Somchem S385 👍
<<locked>>
94%
54491
89%
**80
99%
Vihtavuori N135
<<locked>>
85%
54302
89%
**33
100%
Vihtavuori N150
<<locked>>
89%
54520
90%
**85
100%
Vihtavuori N160
<<locked>>
86%
54491
89%
**51
100%
Vihtavuori N165
<<locked>>
97%
50212
82%
**08
99%
Vihtavuori N550
<<locked>>
86%
54404
89%
**90
100%
Vihtavuori N555
<<locked>>
95%
54491
89%
**17
100%
Vihtavuori N560
<<locked>>
97%
53751
88%
**69
98%
Vihtavuori N565
<<locked>>
97%
45992
75%
**28
96%
[Vihtavuori N568]*
<<locked>>
97%
39885
65%
**39
92%
Winchester 6.5 StaBALL
<<locked>>
88%
54737
90%
**31
100%
Winchester 760
<<locked>>
85%
54737
90%
**10
100%
Winchester StaBALL HD 👍
<<locked>>
97%
46499
76%
**43
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
[ADI AR 2209]*
<<locked>>
81%
36027
59%
**72
94%
[ADI AR 2213]*
<<locked>>
81%
32445
53%
**03
90%
[ADI AR 2217]*
<<locked>>
91%
32909
54%
**06
90%
[ADI AR 2225]*
<<locked>>
89%
27151
45%
**92
90%
Accurate 2700
<<locked>>
81%
49530
81%
**20
99%
Accurate 3100
<<locked>>
81%
31560
52%
**51
96%
Accurate 4350
<<locked>>
81%
42743
70%
**97
100%
[Accurate MAGPRO]*
<<locked>>
86%
36245
59%
**25
90%
Alliant Reloder-16
<<locked>>
81%
41220
68%
**03
100%
Alliant Reloder-17
<<locked>>
81%
47166
77%
**15
100%
[Alliant Reloder-19]*
<<locked>>
81%
35839
59%
**72
94%
[Alliant Reloder-22]*
<<locked>>
81%
31647
52%
**10
92%
Alliant Reloder-23
<<locked>>
81%
30429
50%
**83
99%
[Alliant Reloder-25]*
<<locked>>
81%
26760
44%
**85
93%
Alliant Reloder-26
<<locked>>
81%
32793
54%
**98
98%
[Hodgdon H1000]*
<<locked>>
91%
32909
54%
**06
90%
Hodgdon H414
<<locked>>
81%
48501
80%
**12
99%
Hodgdon H4350
<<locked>>
81%
39581
65%
**95
97%
[Hodgdon H4831]*
<<locked>>
83%
32851
54%
**77
90%
[Hodgdon H4831 SC]*
<<locked>>
81%
33547
55%
**97
90%
Hodgdon Hybrid 100V
<<locked>>
81%
38682
64%
**98
100%
Hodgdon LVR
<<locked>>
81%
45353
74%
**39
100%
[Hodgdon Retumbo]*
<<locked>>
89%
27151
45%
**92
90%
Hodgdon Superperformance
<<locked>>
81%
43743
72%
**59
98%
Hodgdon VARGET
<<locked>>
81%
51024
84%
**66
100%
IMR 4064
<<locked>>
81%
50618
83%
**52
100%
IMR 4166 Enduron
<<locked>>
81%
49501
81%
**30
99%
IMR 4350
<<locked>>
81%
41539
68%
**31
97%
IMR 4451 Enduron
<<locked>>
81%
47819
79%
**30
99%
IMR 4831
<<locked>>
81%
37159
61%
**72
99%
[IMR 4955 Enduron]*
<<locked>>
81%
34084
56%
**74
91%
[IMR 7828 SSC]*
<<locked>>
81%
32706
54%
**20
90%
Lovex S065
<<locked>>
81%
45092
74%
**77
99%
Lovex S070
<<locked>>
81%
43424
71%
**70
98%
[Lovex S071]*
<<locked>>
81%
27108
44%
**33
93%
Norma 204
<<locked>>
81%
41234
68%
**64
96%
[Norma 217]*
<<locked>>
93%
27209
45%
**38
90%
Norma MRP
<<locked>>
81%
32808
54%
**65
95%
Norma URP
<<locked>>
81%
42148
69%
**87
100%
Ramshot Hunter
<<locked>>
81%
41002
67%
**84
98%
[Ramshot Magnum]*
<<locked>>
81%
29109
48%
**28
91%
ReloadSwiss RS 60
<<locked>>
81%
45600
75%
**15
100%
ReloadSwiss RS 62
<<locked>>
81%
42554
70%
**13
100%
ReloadSwiss RS 70
<<locked>>
81%
41104
67%
**30
99%
[ReloadSwiss RS 76]*
<<locked>>
84%
27673
45%
**38
90%
[ReloadSwiss RS 80]*
<<locked>>
94%
35041
58%
**34
90%
Rottweil R 903
<<locked>>
81%
50024
82%
**59
100%
[Rottweil R 904]*
<<locked>>
81%
37492
62%
**56
93%
[Rottweil R 905]*
<<locked>>
81%
35041
58%
**56
94%
Rottweil R 907
<<locked>>
81%
46383
76%
**03
98%
SNPE Vectan Tubal 5000
<<locked>>
81%
50589
83%
**54
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
44454
73%
**34
98%
Shooters World Long Rifle
<<locked>>
81%
45092
74%
**77
99%
Somchem S355
<<locked>>
81%
49951
82%
**59
100%
[Somchem S361]*
<<locked>>
81%
38043
62%
**49
93%
Somchem S365
<<locked>>
81%
38696
64%
**51
100%
Somchem S385
<<locked>>
81%
35607
58%
**43
95%
Vihtavuori N135
<<locked>>
81%
48791
80%
**61
100%
Vihtavuori N150
<<locked>>
81%
42975
71%
**15
100%
Vihtavuori N160
<<locked>>
81%
45585
75%
**10
100%
[Vihtavuori N165]*
<<locked>>
81%
29834
49%
**98
92%
Vihtavuori N550
<<locked>>
81%
45934
75%
**49
100%
Vihtavuori N555
<<locked>>
81%
34084
56%
**59
99%
[Vihtavuori N560]*
<<locked>>
82%
32750
54%
**36
90%
[Vihtavuori N565]*
<<locked>>
86%
31604
52%
**10
90%
[Vihtavuori N568]*
<<locked>>
94%
36463
60%
**57
90%
Winchester 6.5 StaBALL
<<locked>>
81%
42830
70%
**54
100%
Winchester 760
<<locked>>
81%
48501
80%
**12
99%
Winchester StaBALL HD
<<locked>>
81%
24656
40%
**74
98%

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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