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Load data for .375 Fl. Mag. N.E. + .375 | 300gr | Winchester Silvertip

Recommended Powder(s): Accurate 4350, Alliant Reloder-16, ReloadSwiss RS 62, Somchem S365, Vihtavuori N555

.375 Fl. Mag. N.E. + .375 | 300gr | Winchester Silvertip

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.375 | 300gr | Winchester Silvertip
Bullet Weight:
300gr | 19.4g
Bullet Diameter:
0.375" | 9.52mm
Bullet Length:
1.000" | 25.4mm
Caliber:
.375 Fl. Mag. N.E. load data
Case Length (l3):
2.940" | 74.7mm
Cartridge Length (C.O.L.):
3.743" | 95.1mm
Seated Depth:
0.197" | 5.0mm
Shank Seated Depth:
0.197" | 5.0mm
Case Capacity:
94.1 Grains of Water | 6.11 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
47137 psi | 3250 bar
LID:
LID_B6654_C541
Last updated:
2025-01-01

Load data for 96 loads in caliber .375 Fl. Mag. N.E. with .375 | 300gr | Winchester Silvertip bullet and 48 powders such as Accurate 4350, Alliant Reloder-16, ReloadSwiss RS 62, Somchem S365, Vihtavuori N555. 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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    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.

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%
42380
90%
**75
94%
Accurate 3100
<<locked>>
97%
39218
83%
**23
96%
Accurate 4350 👍
<<locked>>
89%
42409
90%
**95
99%
Alliant Reloder-16 👍
<<locked>>
90%
41989
89%
**08
99%
Alliant Reloder-17
<<locked>>
86%
41959
89%
**25
100%
[Alliant Reloder-19]*
<<locked>>
94%
42090
89%
**85
94%
[Alliant Reloder-22]*
<<locked>>
97%
39972
85%
**82
93%
Alliant Reloder-23
<<locked>>
97%
37478
80%
**46
99%
[Alliant Reloder-25]*
<<locked>>
97%
33344
71%
**51
94%
Alliant Reloder-26
<<locked>>
97%
41495
88%
**90
98%
Hodgdon H414
<<locked>>
85%
42221
90%
**85
96%
Hodgdon H4350
<<locked>>
91%
41829
89%
**23
95%
Hodgdon Hybrid 100V
<<locked>>
92%
42279
90%
**65
100%
Hodgdon LVR
<<locked>>
87%
42076
89%
**75
98%
Hodgdon Superperformance
<<locked>>
88%
42061
89%
**08
95%
IMR 4350
<<locked>>
89%
41858
89%
**23
95%
IMR 4451 Enduron
<<locked>>
84%
42337
90%
**13
96%
IMR 4831
<<locked>>
94%
42322
90%
**79
99%
[IMR 4955 Enduron]*
<<locked>>
96%
42250
90%
**23
91%
Lovex S065
<<locked>>
86%
42322
90%
**20
97%
Lovex S070
<<locked>>
88%
42235
90%
**36
96%
[Lovex S071]*
<<locked>>
97%
32764
70%
**95
94%
[Norma 204]*
<<locked>>
89%
42206
90%
**65
94%
Norma MRP
<<locked>>
97%
41843
89%
**54
96%
Norma URP
<<locked>>
89%
42163
89%
**88
98%
Ramshot Hunter
<<locked>>
90%
42177
89%
**95
97%
[Ramshot Magnum]*
<<locked>>
97%
38319
81%
**26
93%
ReloadSwiss RS 60
<<locked>>
87%
42322
90%
**51
100%
ReloadSwiss RS 62 👍
<<locked>>
90%
42395
90%
**15
98%
ReloadSwiss RS 70
<<locked>>
90%
42351
90%
**34
98%
Rottweil R 903
<<locked>>
84%
42264
90%
**39
100%
[Rottweil R 904]*
<<locked>>
93%
42076
89%
**33
92%
[Rottweil R 905]*
<<locked>>
95%
42177
89%
**92
94%
Rottweil R 907
<<locked>>
85%
42192
90%
**06
95%
SNPE Vectan Tubal 7000
<<locked>>
87%
42148
89%
**74
96%
Shooters World Long Rifle
<<locked>>
86%
42322
90%
**20
97%
Somchem S355
<<locked>>
83%
42395
90%
**29
100%
Somchem S365 👍
<<locked>>
93%
42061
89%
**25
100%
Somchem S385
<<locked>>
95%
41843
89%
**65
95%
Vihtavuori N135
<<locked>>
84%
42119
89%
**74
100%
Vihtavuori N150
<<locked>>
88%
42235
90%
**06
100%
Vihtavuori N160
<<locked>>
87%
42076
89%
**46
98%
[Vihtavuori N165]*
<<locked>>
97%
37217
79%
**57
93%
Vihtavuori N550
<<locked>>
87%
42293
90%
**85
98%
Vihtavuori N555 👍
<<locked>>
97%
41104
87%
**11
99%
Winchester 6.5 StaBALL
<<locked>>
88%
42177
89%
**39
100%
Winchester 760
<<locked>>
85%
42221
90%
**85
96%
Winchester StaBALL HD
<<locked>>
97%
33489
71%
**49
99%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
[ADI AR 2209]*
<<locked>>
87%
34534
73%
**15
90%
[Accurate 3100]*
<<locked>>
85%
26078
55%
**31
90%
Accurate 4350
<<locked>>
81%
31792
67%
**78
96%
Alliant Reloder-16
<<locked>>
81%
32213
68%
**95
96%
Alliant Reloder-17
<<locked>>
81%
35795
76%
**06
99%
[Alliant Reloder-19]*
<<locked>>
87%
33765
72%
**08
90%
[Alliant Reloder-22]*
<<locked>>
92%
33881
72%
**47
90%
[Alliant Reloder-23]*
<<locked>>
81%
23221
49%
**69
92%
[Alliant Reloder-25]*
<<locked>>
91%
27978
59%
**06
90%
[Alliant Reloder-26]*
<<locked>>
83%
25831
55%
**87
90%
[Hodgdon H414]*
<<locked>>
81%
36898
78%
**87
94%
[Hodgdon H4350]*
<<locked>>
81%
31024
66%
**96
90%
Hodgdon Hybrid 100V
<<locked>>
81%
29573
63%
**06
97%
Hodgdon LVR
<<locked>>
81%
34925
74%
**31
96%
[Hodgdon Superperformance]*
<<locked>>
81%
33185
70%
**18
91%
[IMR 4350]*
<<locked>>
81%
32677
69%
**36
91%
IMR 4451 Enduron
<<locked>>
81%
38493
82%
**38
95%
[IMR 4831]*
<<locked>>
81%
28181
60%
**77
94%
[IMR 4955 Enduron]*
<<locked>>
93%
38827
82%
**60
90%
Lovex S065
<<locked>>
81%
35723
76%
**92
95%
[Lovex S070]*
<<locked>>
81%
33968
72%
**72
93%
[Lovex S071]*
<<locked>>
90%
26078
55%
**31
90%
[Norma 204]*
<<locked>>
83%
33968
72%
**95
90%
[Norma MRP]*
<<locked>>
87%
30676
65%
**95
90%
Norma URP
<<locked>>
81%
32111
68%
**82
96%
[Ramshot Hunter]*
<<locked>>
81%
31299
66%
**65
93%
[Ramshot Magnum]*
<<locked>>
93%
33446
71%
**18
90%
ReloadSwiss RS 60
<<locked>>
81%
34766
74%
**93
99%
ReloadSwiss RS 62
<<locked>>
81%
31531
67%
**92
95%
[ReloadSwiss RS 70]*
<<locked>>
81%
31502
67%
**92
94%
Rottweil R 903
<<locked>>
81%
38841
82%
**77
99%
[Rottweil R 904]*
<<locked>>
88%
36825
78%
**28
90%
[Rottweil R 905]*
<<locked>>
87%
32677
69%
**92
90%
[Rottweil R 907]*
<<locked>>
81%
36927
78%
**01
93%
[SNPE Vectan Tubal 7000]*
<<locked>>
81%
35041
74%
**42
94%
Shooters World Long Rifle
<<locked>>
81%
35723
76%
**92
95%
Somchem S355
<<locked>>
81%
39320
83%
**80
99%
Somchem S365
<<locked>>
81%
28660
61%
**39
98%
[Somchem S385]*
<<locked>>
85%
30153
64%
**16
90%
Vihtavuori N135
<<locked>>
81%
38566
82%
**15
100%
Vihtavuori N150
<<locked>>
81%
33794
72%
**49
99%
Vihtavuori N160
<<locked>>
81%
34998
74%
**15
97%
[Vihtavuori N165]*
<<locked>>
91%
31705
67%
**36
90%
Vihtavuori N550
<<locked>>
81%
35302
75%
**51
97%
[Vihtavuori N555]*
<<locked>>
81%
24656
52%
**34
92%
Winchester 6.5 StaBALL
<<locked>>
81%
33141
70%
**62
98%
[Winchester 760]*
<<locked>>
81%
36898
78%
**87
94%
[Winchester StaBALL HD]*
<<locked>>
84%
22626
48%
**88
90%

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.

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