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Load data for .375 Swiss P + .375 | 270gr | Woodleigh RN SN

Recommended Powder(s):

.375 Swiss P + .375 | 270gr | Woodleigh RN SN

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.375 | 270gr | Woodleigh RN SN
Manufacturer SKU:
42
Bullet Weight:
270gr | 17.5g
Bullet Diameter:
0.375" | 9.52mm
Bullet Length:
1.088" | 27.6mm
Caliber:
.375 Swiss P load data
Case Length (l3):
2.750" | 69.8mm
Cartridge Length (C.O.L.):
3.626" | 92.1mm
Seated Depth:
0.212" | 5.4mm
Shank Seated Depth:
0.212" | 5.4mm
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_B12117_C569
Last updated:
2026-01-20

Load data for 0 loads in caliber .375 Swiss P with .375 | 270gr | Woodleigh RN SN bullet and 0 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".

  • No data yet

  • 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%
54447
89%
**69
100%
ADI AR 2209
<<locked>>
95%
54302
89%
**61
98%
ADI AR 2213
<<locked>>
97%
51924
85%
**44
96%
[ADI AR 2225]*
<<locked>>
97%
33736
55%
**00
93%
Accurate 2700
<<locked>>
85%
54752
90%
**36
99%
Accurate 3100
<<locked>>
97%
51837
85%
**76
100%
Accurate 4350
<<locked>>
89%
54665
90%
**35
100%
[Accurate MAGPRO]*
<<locked>>
97%
50734
83%
**44
94%
Alliant Reloder- TS 15.5
<<locked>>
83%
54375
89%
**79
100%
Alliant Reloder-16
<<locked>>
91%
54592
90%
**74
100%
Alliant Reloder-17
<<locked>>
86%
54447
89%
**74
100%
Alliant Reloder-19
<<locked>>
95%
54766
90%
**61
98%
Alliant Reloder-22
<<locked>>
97%
51285
84%
**51
98%
Alliant Reloder-23
<<locked>>
97%
48660
80%
**89
100%
Alliant Reloder-25
<<locked>>
97%
42250
69%
**10
99%
Alliant Reloder-26 👍
<<locked>>
96%
54795
90%
**66
100%
[Baschieri & Pellagri 109]*
<<locked>>
97%
51532
85%
**53
93%
Bofors RP15
<<locked>>
97%
47224
78%
**79
97%
[Bofors RP30]*
<<locked>>
97%
38537
63%
**21
93%
Bofors RP5
<<locked>>
97%
51285
84%
**51
98%
Bofors RP7
<<locked>>
87%
54549
90%
**82
99%
Hodgdon H414
<<locked>>
86%
54665
90%
**54
99%
Hodgdon H4350
<<locked>>
93%
54636
90%
**99
99%
Hodgdon H4831
<<locked>>
97%
48225
79%
**26
95%
Hodgdon H4831 SC
<<locked>>
97%
54505
89%
**31
96%
Hodgdon Hybrid 100V
<<locked>>
93%
54650
90%
**02
100%
Hodgdon LVR
<<locked>>
88%
54752
90%
**41
100%
[Hodgdon Retumbo]*
<<locked>>
97%
33736
55%
**00
93%
Hodgdon Superperformance
<<locked>>
88%
54244
89%
**81
99%
Hodgdon VARGET
<<locked>>
84%
54447
89%
**69
100%
Hodgdon TrailBoss
<<locked>>
97%
35157
58%
**22
100%
IMR 4064
<<locked>>
85%
54578
90%
**56
100%
IMR 4166 Enduron
<<locked>>
85%
54824
90%
**59
99%
IMR 4350
<<locked>>
91%
54781
90%
**02
99%
IMR 4451 Enduron
<<locked>>
86%
54346
89%
**79
99%
IMR 4831
<<locked>>
95%
54389
89%
**15
100%
IMR 4955 Enduron
<<locked>>
97%
53824
88%
**89
96%
IMR 7828 SSC
<<locked>>
97%
53693
88%
**94
97%
Lovex S065
<<locked>>
88%
54433
89%
**79
100%
Lovex S070
<<locked>>
90%
54447
89%
**99
99%
Lovex S071
<<locked>>
97%
42975
71%
**18
98%
Norma 204
<<locked>>
90%
54418
89%
**35
98%
Norma MRP
<<locked>>
97%
54607
90%
**36
99%
Norma URP
<<locked>>
90%
54520
90%
**31
100%
Ramshot Grand
<<locked>>
96%
54723
90%
**20
98%
Ramshot Hunter 👍
<<locked>>
91%
54462
89%
**54
100%
Ramshot Magnum
<<locked>>
97%
49676
82%
**08
98%
ReloadSwiss RS 14
<<locked>>
97%
35752
59%
**62
100%
ReloadSwiss RS 60
<<locked>>
85%
54708
90%
**74
100%
ReloadSwiss RS 62
<<locked>>
89%
54302
89%
**54
100%
ReloadSwiss RS 70 👍
<<locked>>
91%
54810
90%
**13
100%
ReloadSwiss RS 76
<<locked>>
97%
41089
67%
**30
97%
Rottweil R 903
<<locked>>
85%
54752
90%
**79
100%
Rottweil R 904
<<locked>>
94%
54259
89%
**02
97%
Rottweil R 905
<<locked>>
95%
54244
89%
**54
98%
Rottweil R 907
<<locked>>
87%
54549
90%
**82
99%
SNPE Vectan SP 11
<<locked>>
84%
54433
89%
**18
100%
SNPE Vectan Tubal 5000
<<locked>>
85%
54781
90%
**57
100%
SNPE Vectan Tubal 7000
<<locked>>
89%
54708
90%
**43
99%
Shooters World Long Rifle
<<locked>>
88%
54433
89%
**79
100%
Somchem S355
<<locked>>
85%
54723
90%
**76
100%
Somchem S361
<<locked>>
93%
54708
90%
**72
96%
Somchem S365
<<locked>>
92%
54317
89%
**48
100%
Somchem S385
<<locked>>
95%
54636
90%
**31
99%
Vihtavuori N135
<<locked>>
86%
54404
89%
**87
100%
Vihtavuori N150
<<locked>>
90%
54665
90%
**40
100%
Vihtavuori N160
<<locked>>
88%
54273
89%
**92
100%
Vihtavuori N165
<<locked>>
97%
48008
79%
**10
98%
Vihtavuori N550
<<locked>>
87%
54433
89%
**31
100%
Vihtavuori N555 👍
<<locked>>
97%
54288
89%
**61
100%
Vihtavuori N560
<<locked>>
97%
51706
85%
**71
96%
[Vihtavuori N565]*
<<locked>>
97%
43642
72%
**10
94%
Winchester 6.5 StaBALL
<<locked>>
89%
54636
90%
**79
100%
Winchester 760
<<locked>>
86%
54665
90%
**54
99%
Winchester StaBALL HD 👍
<<locked>>
97%
43497
71%
**38
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
49661
82%
**94
100%
[ADI AR 2209]*
<<locked>>
81%
34563
57%
**57
92%
[ADI AR 2213]*
<<locked>>
85%
35259
58%
**90
90%
[ADI AR 2225]*
<<locked>>
93%
29559
49%
**69
90%
Accurate 2700
<<locked>>
81%
47877
79%
**25
98%
[Accurate 3100]*
<<locked>>
81%
30052
49%
**29
94%
Accurate 4350
<<locked>>
81%
40857
67%
**92
99%
[Accurate MAGPRO]*
<<locked>>
90%
39363
65%
**18
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
50502
83%
**17
100%
Alliant Reloder-16
<<locked>>
81%
39436
65%
**98
99%
Alliant Reloder-17
<<locked>>
81%
45034
74%
**26
100%
[Alliant Reloder-19]*
<<locked>>
81%
34403
56%
**57
92%
[Alliant Reloder-22]*
<<locked>>
81%
30705
50%
**98
90%
Alliant Reloder-23
<<locked>>
81%
29022
48%
**62
97%
[Alliant Reloder-25]*
<<locked>>
81%
25527
42%
**44
90%
Alliant Reloder-26
<<locked>>
81%
31009
51%
**64
96%
[Baschieri & Pellagri 109]*
<<locked>>
92%
44469
73%
**18
90%
[Bofors RP15]*
<<locked>>
84%
30951
51%
**02
90%
[Bofors RP30]*
<<locked>>
92%
32996
54%
**80
90%
[Bofors RP5]*
<<locked>>
81%
30705
50%
**98
90%
Bofors RP7
<<locked>>
81%
44701
73%
**05
97%
Hodgdon H414
<<locked>>
81%
46441
76%
**17
98%
Hodgdon H4350
<<locked>>
81%
38232
63%
**97
95%
[Hodgdon H4831]*
<<locked>>
88%
35839
59%
**70
90%
[Hodgdon H4831 SC]*
<<locked>>
84%
35839
59%
**70
90%
Hodgdon Hybrid 100V
<<locked>>
81%
36927
61%
**93
99%
Hodgdon LVR
<<locked>>
81%
43540
71%
**41
99%
[Hodgdon Retumbo]*
<<locked>>
93%
29559
49%
**69
90%
Hodgdon Superperformance
<<locked>>
81%
41829
69%
**54
97%
Hodgdon VARGET
<<locked>>
81%
49298
81%
**90
100%
Hodgdon TrailBoss
<<locked>>
88%
31227
51%
**44
100%
IMR 4064
<<locked>>
81%
48936
80%
**74
100%
IMR 4166 Enduron
<<locked>>
81%
47950
79%
**48
98%
IMR 4350
<<locked>>
81%
40045
66%
**39
96%
IMR 4451 Enduron
<<locked>>
81%
46035
76%
**35
98%
IMR 4831
<<locked>>
81%
35578
58%
**70
98%
[IMR 4955 Enduron]*
<<locked>>
83%
34795
57%
**11
90%
[IMR 7828 SSC]*
<<locked>>
84%
34983
57%
**00
90%
Lovex S065
<<locked>>
81%
43555
71%
**85
99%
Lovex S070
<<locked>>
81%
41655
68%
**66
97%
[Lovex S071]*
<<locked>>
81%
25860
42%
**11
91%
[Norma 204]*
<<locked>>
81%
39639
65%
**56
94%
[Norma MRP]*
<<locked>>
81%
31343
51%
**38
92%
Norma URP
<<locked>>
81%
40495
66%
**89
99%
[Ramshot Grand]*
<<locked>>
83%
34301
56%
**93
90%
Ramshot Hunter
<<locked>>
81%
39334
65%
**79
97%
[Ramshot Magnum]*
<<locked>>
83%
29965
49%
**65
90%
ReloadSwiss RS 14
<<locked>>
84%
29907
49%
**44
100%
ReloadSwiss RS 60
<<locked>>
81%
47950
79%
**76
100%
ReloadSwiss RS 62
<<locked>>
81%
40596
67%
**15
99%
ReloadSwiss RS 70
<<locked>>
81%
39349
65%
**25
98%
[ReloadSwiss RS 76]*
<<locked>>
88%
29979
49%
**15
90%
Rottweil R 903
<<locked>>
81%
47950
79%
**77
100%
[Rottweil R 904]*
<<locked>>
81%
35868
59%
**44
91%
[Rottweil R 905]*
<<locked>>
81%
33431
55%
**38
92%
Rottweil R 907
<<locked>>
81%
44701
73%
**05
97%
SNPE Vectan SP 11
<<locked>>
81%
49168
81%
**26
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
49081
81%
**79
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
42641
70%
**33
97%
Shooters World Long Rifle
<<locked>>
81%
43555
71%
**85
99%
Somchem S355
<<locked>>
81%
48211
79%
**77
100%
[Somchem S361]*
<<locked>>
81%
36564
60%
**31
91%
Somchem S365
<<locked>>
81%
36854
60%
**49
100%
[Somchem S385]*
<<locked>>
81%
34011
56%
**25
93%
Vihtavuori N135
<<locked>>
81%
46876
77%
**75
100%
Vihtavuori N150
<<locked>>
81%
41481
68%
**26
100%
Vihtavuori N160
<<locked>>
81%
43613
72%
**18
99%
[Vihtavuori N165]*
<<locked>>
82%
29095
48%
**87
90%
Vihtavuori N550
<<locked>>
81%
44280
73%
**57
99%
Vihtavuori N555
<<locked>>
81%
32343
53%
**38
97%
[Vihtavuori N560]*
<<locked>>
86%
35607
58%
**33
90%
[Vihtavuori N565]*
<<locked>>
90%
34592
57%
**03
90%
Winchester 6.5 StaBALL
<<locked>>
81%
40930
67%
**59
100%
Winchester 760
<<locked>>
81%
46441
76%
**17
98%
Winchester StaBALL HD
<<locked>>
81%
25686
42%
**33
96%

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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