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

Recommended Powder(s): Alliant Reloder-19, Alliant Reloder-22, Alliant Reloder-26, Norma MRP, Somchem S385

.375 Swiss P + .375 | 300gr | Woodleigh PP SN

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.375 | 300gr | Woodleigh PP SN
Manufacturer SKU:
45A
Bullet Weight:
300gr | 19.4g
Bullet Diameter:
0.375" | 9.52mm
Bullet Length:
1.232" | 31.3mm
Caliber:
.375 Swiss P load data
Case Length (l3):
2.750" | 69.8mm
Cartridge Length (C.O.L.):
3.626" | 92.1mm
Seated Depth:
0.356" | 9.0mm
Shank Seated Depth:
0.356" | 9.0mm
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_B12123_C569
Last updated:
2026-01-22

Load data for 150 loads in caliber .375 Swiss P with .375 | 300gr | Woodleigh PP SN bullet and 75 powders such as Alliant Reloder-19, Alliant Reloder-22, Alliant Reloder-26, Norma MRP, Somchem S385. 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%
54259
89%
**17
99%
ADI AR 2213
<<locked>>
97%
54781
90%
**66
98%
[ADI AR 2217]*
<<locked>>
97%
40089
66%
**84
94%
ADI AR 2225
<<locked>>
97%
35549
58%
**38
96%
Accurate 2700
<<locked>>
84%
54752
90%
**98
99%
Accurate 3100
<<locked>>
97%
54418
89%
**71
100%
Accurate 4350
<<locked>>
88%
54331
89%
**84
100%
Accurate MAGPRO
<<locked>>
97%
53679
88%
**66
96%
Alliant Reloder-16
<<locked>>
89%
54447
89%
**20
100%
Alliant Reloder-17
<<locked>>
85%
54766
90%
**30
100%
Alliant Reloder-19 👍
<<locked>>
94%
54737
90%
**20
99%
Alliant Reloder-22 👍
<<locked>>
97%
54099
89%
**56
99%
Alliant Reloder-23
<<locked>>
97%
51517
85%
**90
100%
Alliant Reloder-25
<<locked>>
97%
44657
73%
**31
100%
Alliant Reloder-26 👍
<<locked>>
94%
54157
89%
**02
100%
Baschieri & Pellagri 109
<<locked>>
97%
53969
89%
**77
95%
Bofors RP15
<<locked>>
97%
49966
82%
**84
98%
Bofors RP30
<<locked>>
97%
40640
67%
**52
95%
Bofors RP5
<<locked>>
97%
54099
89%
**56
99%
Bofors RP7
<<locked>>
86%
54418
89%
**35
99%
[Hodgdon H1000]*
<<locked>>
97%
40089
66%
**84
94%
Hodgdon H414
<<locked>>
84%
54810
90%
**07
100%
Hodgdon H4350
<<locked>>
91%
54708
90%
**61
99%
Hodgdon H4831
<<locked>>
97%
50589
83%
**38
97%
Hodgdon H4831 SC
<<locked>>
95%
54186
89%
**90
97%
Hodgdon Hybrid 100V
<<locked>>
91%
54694
90%
**48
100%
Hodgdon LVR
<<locked>>
87%
54781
90%
**90
100%
Hodgdon Retumbo
<<locked>>
97%
35549
58%
**38
96%
Hodgdon Superperformance
<<locked>>
87%
54563
90%
**40
100%
IMR 4064
<<locked>>
83%
54491
89%
**12
100%
IMR 4166 Enduron
<<locked>>
84%
54520
90%
**18
100%
IMR 4350
<<locked>>
89%
54433
89%
**57
99%
IMR 4451 Enduron
<<locked>>
85%
54476
89%
**41
100%
IMR 4831
<<locked>>
93%
54244
89%
**64
100%
IMR 4955 Enduron
<<locked>>
96%
54621
90%
**71
98%
IMR 7828 SSC
<<locked>>
96%
54418
89%
**69
98%
Lovex S065
<<locked>>
87%
54650
90%
**41
100%
Lovex S070
<<locked>>
88%
54636
90%
**61
100%
Lovex S071
<<locked>>
97%
45513
75%
**36
99%
Norma 204
<<locked>>
89%
54433
89%
**97
99%
[Norma 217]*
<<locked>>
97%
31386
52%
**69
93%
Norma MRP 👍
<<locked>>
95%
54708
90%
**95
100%
Norma URP
<<locked>>
89%
54679
90%
**94
100%
Ramshot Grand
<<locked>>
94%
54360
89%
**76
98%
Ramshot Hunter
<<locked>>
89%
54665
90%
**13
100%
Ramshot Magnum
<<locked>>
97%
53055
87%
**23
99%
ReloadSwiss RS 14
<<locked>>
97%
36172
59%
**67
100%
ReloadSwiss RS 60
<<locked>>
83%
54723
90%
**23
100%
ReloadSwiss RS 62
<<locked>>
88%
54447
89%
**13
100%
ReloadSwiss RS 70
<<locked>>
89%
54694
90%
**66
100%
ReloadSwiss RS 76
<<locked>>
97%
43497
71%
**61
99%
[ReloadSwiss RS 80]*
<<locked>>
97%
38754
64%
**30
92%
Rottweil R 903
<<locked>>
83%
54418
89%
**28
100%
Rottweil R 904
<<locked>>
93%
54520
90%
**71
98%
Rottweil R 905
<<locked>>
94%
54447
89%
**10
99%
Rottweil R 907
<<locked>>
86%
54418
89%
**35
99%
SNPE Vectan Tubal 5000
<<locked>>
83%
54607
90%
**13
100%
SNPE Vectan Tubal 7000
<<locked>>
87%
54766
90%
**98
100%
Shooters World Long Rifle
<<locked>>
87%
54650
90%
**41
100%
Somchem S355
<<locked>>
83%
54346
89%
**25
100%
Somchem S361
<<locked>>
92%
54462
89%
**41
97%
Somchem S365
<<locked>>
91%
54534
90%
**97
100%
Somchem S385 👍
<<locked>>
94%
54331
89%
**84
99%
Vihtavuori N135
<<locked>>
85%
54636
90%
**43
100%
Vihtavuori N150
<<locked>>
89%
54737
90%
**92
100%
Vihtavuori N160
<<locked>>
86%
54360
89%
**51
100%
Vihtavuori N165
<<locked>>
97%
50618
83%
**12
99%
Vihtavuori N550
<<locked>>
86%
54491
89%
**87
100%
Vihtavuori N555
<<locked>>
95%
54766
90%
**20
100%
Vihtavuori N560
<<locked>>
97%
54592
90%
**85
98%
Vihtavuori N565
<<locked>>
97%
46354
76%
**28
96%
[Vihtavuori N568]*
<<locked>>
97%
40437
66%
**49
92%
Winchester 6.5 StaBALL
<<locked>>
88%
54824
90%
**35
100%
Winchester 760
<<locked>>
84%
54810
90%
**07
100%
Winchester StaBALL HD
<<locked>>
97%
47442
78%
**49
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
[ADI AR 2209]*
<<locked>>
81%
36289
60%
**79
94%
[ADI AR 2213]*
<<locked>>
81%
32343
53%
**00
90%
[ADI AR 2217]*
<<locked>>
90%
32619
54%
**03
90%
[ADI AR 2225]*
<<locked>>
88%
26992
44%
**92
90%
Accurate 2700
<<locked>>
81%
50024
82%
**30
99%
Accurate 3100
<<locked>>
81%
31952
52%
**64
96%
Accurate 4350
<<locked>>
81%
43236
71%
**07
100%
[Accurate MAGPRO]*
<<locked>>
85%
35839
59%
**18
90%
Alliant Reloder-16
<<locked>>
81%
41481
68%
**13
100%
Alliant Reloder-17
<<locked>>
81%
47747
78%
**28
100%
Alliant Reloder-19
<<locked>>
81%
36216
59%
**82
95%
[Alliant Reloder-22]*
<<locked>>
81%
31995
53%
**20
93%
Alliant Reloder-23
<<locked>>
81%
30719
50%
**90
99%
[Alliant Reloder-25]*
<<locked>>
81%
26963
44%
**92
93%
Alliant Reloder-26
<<locked>>
81%
33214
55%
**08
98%
[Baschieri & Pellagri 109]*
<<locked>>
88%
40480
66%
**21
90%
[Bofors RP15]*
<<locked>>
81%
29892
49%
**57
91%
[Bofors RP30]*
<<locked>>
87%
30037
49%
**90
90%
[Bofors RP5]*
<<locked>>
81%
31995
53%
**20
93%
Bofors RP7
<<locked>>
81%
46615
77%
**10
98%
[Hodgdon H1000]*
<<locked>>
90%
32619
54%
**03
90%
Hodgdon H414
<<locked>>
81%
48907
80%
**18
99%
Hodgdon H4350
<<locked>>
81%
40074
66%
**08
97%
[Hodgdon H4831]*
<<locked>>
83%
32605
54%
**74
90%
[Hodgdon H4831 SC]*
<<locked>>
81%
33982
56%
**06
91%
Hodgdon Hybrid 100V
<<locked>>
81%
39276
64%
**11
100%
Hodgdon LVR
<<locked>>
81%
45934
75%
**49
100%
[Hodgdon Retumbo]*
<<locked>>
88%
26992
44%
**92
90%
Hodgdon Superperformance
<<locked>>
81%
44034
72%
**69
98%
IMR 4064
<<locked>>
81%
51039
84%
**62
100%
IMR 4166 Enduron
<<locked>>
81%
49763
82%
**39
99%
IMR 4350
<<locked>>
81%
42061
69%
**51
98%
IMR 4451 Enduron
<<locked>>
81%
48051
79%
**36
99%
IMR 4831
<<locked>>
81%
37434
61%
**82
99%
[IMR 4955 Enduron]*
<<locked>>
81%
34534
57%
**87
91%
[IMR 7828 SSC]*
<<locked>>
81%
32924
54%
**33
91%
Lovex S065
<<locked>>
81%
45542
75%
**93
99%
Lovex S070
<<locked>>
81%
43729
72%
**77
98%
[Lovex S071]*
<<locked>>
81%
27528
45%
**49
94%
Norma 204
<<locked>>
81%
41742
69%
**74
96%
[Norma 217]*
<<locked>>
92%
27166
45%
**34
90%
Norma MRP
<<locked>>
81%
33243
55%
**75
95%
Norma URP
<<locked>>
81%
42728
70%
**97
100%
[Ramshot Grand]*
<<locked>>
81%
33852
56%
**69
92%
Ramshot Hunter
<<locked>>
81%
41495
68%
**90
99%
[Ramshot Magnum]*
<<locked>>
81%
29283
48%
**34
92%
ReloadSwiss RS 14
<<locked>>
94%
34983
57%
**47
100%
ReloadSwiss RS 60
<<locked>>
81%
50517
83%
**67
100%
ReloadSwiss RS 62
<<locked>>
81%
43018
71%
**26
100%
ReloadSwiss RS 70
<<locked>>
81%
41394
68%
**39
99%
[ReloadSwiss RS 76]*
<<locked>>
84%
27644
45%
**34
90%
[ReloadSwiss RS 80]*
<<locked>>
94%
34606
57%
**34
90%
Rottweil R 903
<<locked>>
81%
50415
83%
**72
100%
[Rottweil R 904]*
<<locked>>
81%
37710
62%
**65
94%
[Rottweil R 905]*
<<locked>>
81%
35447
58%
**65
94%
Rottweil R 907
<<locked>>
81%
46615
77%
**10
98%
SNPE Vectan Tubal 5000
<<locked>>
81%
51256
84%
**64
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
44628
73%
**44
99%
Shooters World Long Rifle
<<locked>>
81%
45542
75%
**93
99%
Somchem S355
<<locked>>
81%
50444
83%
**66
100%
[Somchem S361]*
<<locked>>
81%
38290
63%
**59
93%
Somchem S365
<<locked>>
81%
39291
65%
**61
100%
Somchem S385
<<locked>>
81%
36085
59%
**56
96%
Vihtavuori N135
<<locked>>
81%
49153
81%
**70
100%
Vihtavuori N150
<<locked>>
81%
43265
71%
**25
100%
Vihtavuori N160
<<locked>>
81%
45803
75%
**20
100%
[Vihtavuori N165]*
<<locked>>
81%
30269
50%
**11
93%
Vihtavuori N550
<<locked>>
81%
46485
76%
**59
100%
Vihtavuori N555
<<locked>>
81%
34447
57%
**62
99%
[Vihtavuori N560]*
<<locked>>
82%
32764
54%
**43
90%
[Vihtavuori N565]*
<<locked>>
86%
31560
52%
**13
90%
[Vihtavuori N568]*
<<locked>>
93%
36085
59%
**51
90%
Winchester 6.5 StaBALL
<<locked>>
81%
42989
71%
**61
100%
Winchester 760
<<locked>>
81%
48907
80%
**18
99%
Winchester StaBALL HD
<<locked>>
81%
25164
41%
**90
99%

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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