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Load data for .375 Swiss P + .375 | 300gr | Woodleigh HS

Recommended Powder(s): Alliant Reloder-26, Norma 204, Ramshot Hunter, Vihtavuori N555, Winchester StaBALL HD

.375 Swiss P + .375 | 300gr | Woodleigh HS

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.375 | 300gr | Woodleigh HS
Manufacturer SKU:
H375
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_B12051_C569
Last updated:
2026-01-24

Load data for 152 loads in caliber .375 Swiss P with .375 | 300gr | Woodleigh HS bullet and 76 powders such as Alliant Reloder-26, Norma 204, 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%
54317
89%
**08
100%
ADI AR 2209
<<locked>>
95%
54694
90%
**13
99%
ADI AR 2213
<<locked>>
97%
52402
86%
**10
97%
[ADI AR 2217]*
<<locked>>
97%
38479
63%
**28
93%
ADI AR 2225
<<locked>>
97%
34011
56%
**88
95%
Accurate 2700
<<locked>>
85%
54781
90%
**89
99%
Accurate 3100
<<locked>>
97%
52199
86%
**35
100%
Accurate 4350
<<locked>>
89%
54476
89%
**77
100%
Accurate MAGPRO
<<locked>>
97%
51082
84%
**10
95%
Alliant Reloder- TS 15.5
<<locked>>
83%
54534
90%
**18
100%
Alliant Reloder-16
<<locked>>
91%
54520
90%
**17
100%
Alliant Reloder-17
<<locked>>
86%
54824
90%
**20
100%
Alliant Reloder-19
<<locked>>
95%
54810
90%
**10
99%
Alliant Reloder-22
<<locked>>
97%
51822
85%
**07
99%
Alliant Reloder-23
<<locked>>
97%
48994
80%
**44
100%
Alliant Reloder-25
<<locked>>
97%
42757
70%
**85
99%
Alliant Reloder-26 👍
<<locked>>
96%
54375
89%
**99
100%
[Baschieri & Pellagri 109]*
<<locked>>
97%
51793
85%
**18
94%
Bofors RP15
<<locked>>
97%
47732
78%
**38
98%
[Bofors RP30]*
<<locked>>
97%
38841
64%
**97
94%
Bofors RP5
<<locked>>
97%
51822
85%
**07
99%
Bofors RP7
<<locked>>
87%
54795
90%
**28
99%
[Hodgdon H1000]*
<<locked>>
97%
38479
63%
**28
93%
Hodgdon H414
<<locked>>
85%
54331
89%
**90
100%
Hodgdon H4350
<<locked>>
92%
54476
89%
**44
99%
Hodgdon H4831
<<locked>>
97%
48559
80%
**89
96%
Hodgdon H4831 SC
<<locked>>
97%
54563
90%
**87
97%
Hodgdon Hybrid 100V
<<locked>>
93%
54752
90%
**41
100%
Hodgdon LVR
<<locked>>
88%
54650
90%
**74
100%
Hodgdon Retumbo
<<locked>>
97%
34011
56%
**88
95%
Hodgdon Superperformance
<<locked>>
88%
54346
89%
**26
100%
Hodgdon VARGET
<<locked>>
84%
54317
89%
**08
100%
IMR 4064
<<locked>>
84%
54520
89%
**98
100%
IMR 4166 Enduron
<<locked>>
85%
54737
90%
**05
100%
IMR 4350
<<locked>>
90%
54592
90%
**44
99%
IMR 4451 Enduron
<<locked>>
86%
54679
90%
**25
100%
IMR 4831
<<locked>>
94%
54636
90%
**57
100%
IMR 4955 Enduron
<<locked>>
97%
54027
89%
**44
97%
IMR 7828 SSC
<<locked>>
97%
54143
89%
**46
98%
Lovex S065
<<locked>>
88%
54679
90%
**28
100%
Lovex S070
<<locked>>
89%
54636
90%
**44
100%
Lovex S071
<<locked>>
97%
43656
72%
**97
99%
Norma 204 👍
<<locked>>
90%
54433
89%
**84
99%
[Norma 217]*
<<locked>>
97%
29878
49%
**06
92%
Norma MRP
<<locked>>
97%
54592
90%
**82
100%
Norma URP
<<locked>>
90%
54549
90%
**84
100%
Ramshot Grand
<<locked>>
95%
54389
89%
**69
98%
Ramshot Hunter 👍
<<locked>>
91%
54607
90%
**03
100%
Ramshot Magnum
<<locked>>
97%
50053
82%
**67
99%
ReloadSwiss RS 60
<<locked>>
85%
54737
90%
**20
100%
ReloadSwiss RS 62
<<locked>>
89%
54360
89%
**97
100%
ReloadSwiss RS 70
<<locked>>
90%
54389
89%
**49
100%
ReloadSwiss RS 76
<<locked>>
97%
41408
68%
**02
98%
Rottweil R 903
<<locked>>
84%
54215
89%
**15
100%
Rottweil R 904
<<locked>>
94%
54766
90%
**64
98%
Rottweil R 905
<<locked>>
95%
54201
89%
**97
99%
Rottweil R 907
<<locked>>
87%
54795
90%
**28
99%
SNPE Vectan SP 11
<<locked>>
84%
54781
90%
**57
100%
SNPE Vectan Tubal 5000
<<locked>>
84%
54476
89%
**00
100%
SNPE Vectan Tubal 7000
<<locked>>
88%
54549
90%
**85
100%
Shooters World Long Rifle
<<locked>>
88%
54679
90%
**28
100%
Somchem S355
<<locked>>
85%
54694
90%
**18
100%
Somchem S361
<<locked>>
93%
54607
90%
**28
97%
Somchem S365
<<locked>>
92%
54462
89%
**87
100%
Somchem S385
<<locked>>
95%
54418
89%
**67
99%
Vihtavuori N135
<<locked>>
86%
54360
89%
**26
100%
Vihtavuori N150
<<locked>>
90%
54549
90%
**82
100%
Vihtavuori N160
<<locked>>
88%
54752
90%
**48
100%
Vihtavuori N165
<<locked>>
97%
48501
80%
**69
98%
Vihtavuori N550
<<locked>>
87%
54650
90%
**77
100%
Vihtavuori N555 👍
<<locked>>
97%
54694
90%
**13
100%
Vihtavuori N560
<<locked>>
97%
52083
86%
**33
97%
Vihtavuori N565
<<locked>>
97%
44063
72%
**85
95%
Winchester 6.5 StaBALL
<<locked>>
89%
54607
90%
**18
100%
Winchester 760
<<locked>>
85%
54331
89%
**90
100%
Winchester StaBALL HD 👍
<<locked>>
97%
44034
72%
**03
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
50299
83%
**52
100%
[ADI AR 2209]*
<<locked>>
81%
34969
57%
**36
93%
[ADI AR 2213]*
<<locked>>
83%
33011
54%
**06
90%
[ADI AR 2217]*
<<locked>>
92%
33257
55%
**10
90%
[ADI AR 2225]*
<<locked>>
90%
27543
45%
**98
90%
Accurate 2700
<<locked>>
81%
48443
80%
**90
98%
Accurate 3100
<<locked>>
81%
30356
50%
**18
95%
Accurate 4350
<<locked>>
81%
41249
68%
**64
100%
[Accurate MAGPRO]*
<<locked>>
88%
36738
60%
**25
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
51053
84%
**69
100%
Alliant Reloder-16
<<locked>>
81%
40089
66%
**70
100%
Alliant Reloder-17
<<locked>>
81%
45643
75%
**89
100%
[Alliant Reloder-19]*
<<locked>>
81%
34708
57%
**29
93%
[Alliant Reloder-22]*
<<locked>>
81%
30618
50%
**67
91%
Alliant Reloder-23
<<locked>>
81%
29356
48%
**51
98%
[Alliant Reloder-25]*
<<locked>>
81%
25933
43%
**52
92%
Alliant Reloder-26
<<locked>>
81%
31589
52%
**62
97%
[Baschieri & Pellagri 109]*
<<locked>>
90%
41742
69%
**31
90%
[Bofors RP15]*
<<locked>>
81%
28674
47%
**18
90%
[Bofors RP30]*
<<locked>>
89%
30530
50%
**97
90%
[Bofors RP5]*
<<locked>>
81%
30618
50%
**67
91%
Bofors RP7
<<locked>>
81%
45121
74%
**77
98%
[Hodgdon H1000]*
<<locked>>
92%
33257
55%
**10
90%
Hodgdon H414
<<locked>>
81%
46934
77%
**72
99%
Hodgdon H4350
<<locked>>
81%
38595
63%
**65
96%
[Hodgdon H4831]*
<<locked>>
85%
33605
55%
**83
90%
[Hodgdon H4831 SC]*
<<locked>>
82%
33547
55%
**87
90%
Hodgdon Hybrid 100V
<<locked>>
81%
37521
62%
**69
100%
Hodgdon LVR
<<locked>>
81%
43932
72%
**10
99%
[Hodgdon Retumbo]*
<<locked>>
90%
27543
45%
**98
90%
Hodgdon Superperformance
<<locked>>
81%
42293
69%
**26
98%
Hodgdon VARGET
<<locked>>
81%
49879
82%
**46
100%
IMR 4064
<<locked>>
81%
49327
81%
**26
100%
IMR 4166 Enduron
<<locked>>
81%
48385
79%
**07
99%
IMR 4350
<<locked>>
81%
40611
67%
**11
97%
IMR 4451 Enduron
<<locked>>
81%
46528
76%
**97
99%
IMR 4831
<<locked>>
81%
36013
59%
**43
99%
[IMR 4955 Enduron]*
<<locked>>
81%
33228
55%
**41
90%
[IMR 7828 SSC]*
<<locked>>
82%
32982
54%
**20
90%
Lovex S065
<<locked>>
81%
44048
72%
**57
99%
Lovex S070
<<locked>>
81%
42177
69%
**38
98%
[Lovex S071]*
<<locked>>
81%
26107
43%
**00
93%
Norma 204
<<locked>>
81%
40089
66%
**38
95%
[Norma 217]*
<<locked>>
94%
27818
46%
**44
90%
[Norma MRP]*
<<locked>>
81%
31836
52%
**29
94%
Norma URP
<<locked>>
81%
40930
67%
**54
99%
[Ramshot Grand]*
<<locked>>
81%
32387
53%
**13
90%
Ramshot Hunter
<<locked>>
81%
39784
65%
**48
98%
[Ramshot Magnum]*
<<locked>>
81%
28050
46%
**92
90%
ReloadSwiss RS 60
<<locked>>
81%
48457
80%
**31
100%
ReloadSwiss RS 62
<<locked>>
81%
40973
67%
**77
99%
ReloadSwiss RS 70
<<locked>>
81%
39581
65%
**90
99%
[ReloadSwiss RS 76]*
<<locked>>
85%
28050
46%
**34
90%
Rottweil R 903
<<locked>>
81%
48573
80%
**36
100%
[Rottweil R 904]*
<<locked>>
81%
36303
60%
**20
93%
[Rottweil R 905]*
<<locked>>
81%
33779
55%
**20
93%
Rottweil R 907
<<locked>>
81%
45121
74%
**77
98%
SNPE Vectan SP 11
<<locked>>
81%
49676
82%
**82
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
49327
81%
**31
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
43120
71%
**05
98%
Shooters World Long Rifle
<<locked>>
81%
44048
72%
**57
99%
Somchem S355
<<locked>>
81%
48762
80%
**33
100%
[Somchem S361]*
<<locked>>
81%
36753
60%
**10
92%
Somchem S365
<<locked>>
81%
37405
61%
**18
100%
Somchem S385
<<locked>>
81%
34447
57%
**03
95%
Vihtavuori N135
<<locked>>
81%
47369
78%
**34
100%
Vihtavuori N150
<<locked>>
81%
41756
69%
**88
100%
Vihtavuori N160
<<locked>>
81%
44266
73%
**87
100%
[Vihtavuori N165]*
<<locked>>
81%
29051
48%
**65
91%
Vihtavuori N550
<<locked>>
81%
44614
73%
**26
100%
Vihtavuori N555
<<locked>>
81%
32779
54%
**23
98%
[Vihtavuori N560]*
<<locked>>
83%
33214
55%
**46
90%
[Vihtavuori N565]*
<<locked>>
87%
32039
53%
**20
90%
Winchester 6.5 StaBALL
<<locked>>
81%
41263
68%
**21
100%
Winchester 760
<<locked>>
81%
46934
77%
**72
99%
Winchester StaBALL HD
<<locked>>
81%
23322
38%
**38
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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