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Load data for .375 Weath. Mag. + .375 | 300gr | Winchester Silvertip

Recommended Powder(s): Alliant Reloder-16, Hodgdon H414, ReloadSwiss RS 62, ReloadSwiss RS 70, Winchester 760

.375 Weath. Mag. + .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 Weath. Mag. load data
Case Length (l3):
2.850" | 72.4mm
Cartridge Length (C.O.L.):
3.507" | 89.1mm
Seated Depth:
0.343" | 8.7mm
Shank Seated Depth:
0.343" | 8.7mm
Case Capacity:
105.0 Grains of Water | 6.82 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
63817 psi | 4400 bar
LID:
LID_B6654_C568
Last updated:
2025-02-02

Load data for 180 loads in caliber .375 Weath. Mag. with .375 | 300gr | Winchester Silvertip bullet and 90 powders such as Alliant Reloder-16, Hodgdon H414, ReloadSwiss RS 62, ReloadSwiss RS 70, Winchester 760. 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

  • .

    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 2206H
<<locked>>
84%
57232
90%
**89
100%
ADI AR 2208
<<locked>>
90%
57319
90%
**79
100%
ADI AR 2209
<<locked>>
97%
49705
78%
**59
97%
[ADI AR 2213]*
<<locked>>
97%
44237
69%
**77
93%
Accurate 2700
<<locked>>
90%
56710
89%
**36
99%
Accurate 3100
<<locked>>
97%
42583
67%
**25
98%
Accurate 4064
<<locked>>
88%
56927
89%
**52
100%
Accurate 4350
<<locked>>
96%
56985
89%
**48
100%
Alliant Reloder- TS 15.5
<<locked>>
89%
56826
89%
**92
100%
Alliant Reloder-15
<<locked>>
87%
56985
89%
**05
100%
Alliant Reloder-16 👍
<<locked>>
97%
56260
88%
**80
100%
Alliant Reloder-17
<<locked>>
93%
57246
90%
**97
100%
Alliant Reloder-19
<<locked>>
97%
48892
77%
**46
97%
Alliant Reloder-22
<<locked>>
97%
42685
67%
**87
95%
Alliant Reloder-23
<<locked>>
97%
40611
64%
**48
100%
Alliant Reloder-25
<<locked>>
97%
35752
56%
**62
96%
Alliant Reloder-26
<<locked>>
97%
45484
71%
**02
99%
Baschieri & Pellagri 107
<<locked>>
84%
57232
90%
**08
100%
Hodgdon CFE223
<<locked>>
87%
57290
90%
**51
100%
Hodgdon H380
<<locked>>
89%
57290
90%
**12
100%
Hodgdon H414 👍
<<locked>>
92%
57116
89%
**67
99%
Hodgdon H4350
<<locked>>
97%
54041
85%
**62
98%
[Hodgdon H4831]*
<<locked>>
97%
41321
65%
**85
92%
[Hodgdon H4831 SC]*
<<locked>>
97%
46369
73%
**74
93%
Hodgdon Hybrid 100V
<<locked>>
97%
52475
82%
**52
100%
Hodgdon LVR
<<locked>>
94%
57072
89%
**41
100%
Hodgdon Superperformance
<<locked>>
94%
57145
90%
**00
99%
Hodgdon VARGET
<<locked>>
90%
56869
89%
**79
100%
IMR 3031
<<locked>>
86%
57130
90%
**59
100%
IMR 4064
<<locked>>
90%
57072
89%
**69
100%
IMR 4166 Enduron
<<locked>>
91%
57276
90%
**66
99%
IMR 4350
<<locked>>
97%
57377
90%
**08
99%
IMR 4451 Enduron
<<locked>>
92%
56898
89%
**85
99%
IMR 4831
<<locked>>
97%
49603
78%
**33
100%
IMR 4895
<<locked>>
86%
57188
90%
**18
100%
[IMR 4955 Enduron]*
<<locked>>
97%
46543
73%
**44
94%
[IMR 7828 SSC]*
<<locked>>
97%
45150
71%
**10
94%
Lovex D073.6
<<locked>>
84%
57159
90%
**66
100%
Lovex S060
<<locked>>
85%
56927
89%
**30
100%
Lovex S062
<<locked>>
88%
57101
89%
**59
100%
Lovex S065
<<locked>>
94%
57203
90%
**89
100%
Lovex S070
<<locked>>
96%
57101
89%
**08
99%
Lovex S071
<<locked>>
97%
35534
56%
**90
96%
Norma 201
<<locked>>
85%
57435
90%
**56
100%
Norma 202
<<locked>>
85%
57246
90%
**39
100%
Norma 203B
<<locked>>
87%
56884
89%
**05
100%
Norma 204
<<locked>>
96%
57217
90%
**44
98%
Norma MRP
<<locked>>
97%
45208
71%
**59
97%
Norma URP
<<locked>>
97%
57406
90%
**51
100%
Ramshot Big Game
<<locked>>
87%
56956
89%
**18
100%
Ramshot Hunter
<<locked>>
97%
56086
88%
**57
100%
Ramshot Magnum
<<locked>>
97%
41191
65%
**31
95%
ReloadSwiss RS 50
<<locked>>
88%
56956
89%
**85
99%
ReloadSwiss RS 52
<<locked>>
87%
57305
90%
**21
100%
ReloadSwiss RS 60
<<locked>>
94%
57174
90%
**13
100%
ReloadSwiss RS 62 👍
<<locked>>
96%
57348
90%
**80
100%
ReloadSwiss RS 70 👍
<<locked>>
97%
57000
89%
**17
100%
Rottweil R 902
<<locked>>
86%
56942
89%
**46
100%
Rottweil R 903
<<locked>>
91%
57363
90%
**95
100%
Rottweil R 904
<<locked>>
97%
51648
81%
**33
96%
Rottweil R 905
<<locked>>
97%
47906
75%
**30
96%
Rottweil R 907
<<locked>>
93%
57246
90%
**85
99%
SNPE Vectan SP 11
<<locked>>
90%
56985
89%
**25
100%
SNPE Vectan SP 7
<<locked>>
84%
57217
90%
**79
100%
SNPE Vectan SP 9
<<locked>>
85%
57188
90%
**89
100%
SNPE Vectan Tubal 3000
<<locked>>
84%
57421
90%
**80
100%
SNPE Vectan Tubal 5000
<<locked>>
90%
57305
90%
**70
100%
SNPE Vectan Tubal 7000
<<locked>>
94%
57232
90%
**46
99%
Shooters World Long Rifle
<<locked>>
94%
57203
90%
**89
100%
Shooters World Match Rifle
<<locked>>
84%
57159
90%
**66
100%
Shooters World Precision
<<locked>>
88%
57101
89%
**59
100%
Somchem S335
<<locked>>
85%
57334
90%
**84
100%
Somchem S341
<<locked>>
84%
57029
89%
**72
100%
Somchem S355
<<locked>>
91%
56811
89%
**82
100%
Somchem S361
<<locked>>
97%
53229
83%
**26
95%
Somchem S365
<<locked>>
97%
52518
82%
**15
100%
Somchem S385
<<locked>>
97%
48298
76%
**10
97%
Vihtavuori N133
<<locked>>
86%
57276
90%
**57
100%
Vihtavuori N135
<<locked>>
92%
56884
89%
**03
100%
Vihtavuori N140
<<locked>>
87%
57290
90%
**16
100%
Vihtavuori N150
<<locked>>
96%
56956
89%
**49
100%
Vihtavuori N160
<<locked>>
94%
57203
90%
**12
100%
Vihtavuori N165
<<locked>>
97%
40089
63%
**56
95%
Vihtavuori N540
<<locked>>
87%
57290
90%
**46
100%
Vihtavuori N550
<<locked>>
93%
56869
89%
**48
100%
Vihtavuori N555
<<locked>>
97%
45049
71%
**13
100%
[Vihtavuori N560]*
<<locked>>
97%
43439
68%
**00
93%
Winchester 6.5 StaBALL
<<locked>>
95%
57348
90%
**92
100%
Winchester 760 👍
<<locked>>
92%
57116
89%
**67
99%
Winchester StaBALL HD
<<locked>>
97%
35998
56%
**61
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
51793
81%
**13
100%
ADI AR 2208
<<locked>>
81%
43918
69%
**79
99%
[ADI AR 2209]*
<<locked>>
84%
32880
52%
**18
90%
[ADI AR 2213]*
<<locked>>
91%
37318
58%
**39
90%
Accurate 2700
<<locked>>
81%
42235
66%
**13
96%
[Accurate 3100]*
<<locked>>
81%
25019
39%
**28
90%
Accurate 4064
<<locked>>
81%
46180
72%
**08
100%
Accurate 4350
<<locked>>
81%
34476
54%
**77
97%
Alliant Reloder- TS 15.5
<<locked>>
81%
43990
69%
**02
100%
Alliant Reloder-15
<<locked>>
81%
47181
74%
**61
100%
Alliant Reloder-16
<<locked>>
81%
34287
54%
**83
97%
Alliant Reloder-17
<<locked>>
81%
38305
60%
**02
100%
[Alliant Reloder-19]*
<<locked>>
83%
31763
50%
**98
90%
[Alliant Reloder-22]*
<<locked>>
88%
31937
50%
**41
90%
[Alliant Reloder-23]*
<<locked>>
81%
24860
39%
**60
94%
[Alliant Reloder-25]*
<<locked>>
87%
26368
41%
**96
90%
[Alliant Reloder-26]*
<<locked>>
81%
26020
41%
**39
92%
Baschieri & Pellagri 107
<<locked>>
81%
51300
80%
**33
100%
Hodgdon CFE223
<<locked>>
81%
45774
72%
**77
99%
Hodgdon H380
<<locked>>
81%
44817
70%
**25
99%
Hodgdon H414
<<locked>>
81%
39711
62%
**79
96%
[Hodgdon H4350]*
<<locked>>
81%
33286
52%
**88
92%
[Hodgdon H4831]*
<<locked>>
94%
37782
59%
**13
90%
[Hodgdon H4831 SC]*
<<locked>>
90%
37782
59%
**13
90%
Hodgdon Hybrid 100V
<<locked>>
81%
31720
50%
**95
98%
Hodgdon LVR
<<locked>>
81%
37449
59%
**26
97%
[Hodgdon Superperformance]*
<<locked>>
81%
35694
56%
**16
94%
Hodgdon VARGET
<<locked>>
81%
43685
68%
**79
99%
IMR 3031
<<locked>>
81%
48486
76%
**44
100%
IMR 4064
<<locked>>
81%
43279
68%
**59
99%
IMR 4166 Enduron
<<locked>>
81%
42612
67%
**33
97%
[IMR 4350]*
<<locked>>
81%
34780
55%
**24
93%
IMR 4451 Enduron
<<locked>>
81%
40683
64%
**23
96%
IMR 4831
<<locked>>
81%
30197
47%
**62
96%
IMR 4895
<<locked>>
81%
48457
76%
**93
100%
[IMR 4955 Enduron]*
<<locked>>
89%
36912
58%
**64
90%
[IMR 7828 SSC]*
<<locked>>
91%
37130
58%
**46
90%
Lovex D073.6
<<locked>>
81%
51706
81%
**93
100%
Lovex S060
<<locked>>
81%
50966
80%
**44
100%
Lovex S062
<<locked>>
81%
46209
72%
**11
100%
Lovex S065
<<locked>>
81%
38145
60%
**80
97%
Lovex S070
<<locked>>
81%
36289
57%
**57
95%
[Lovex S071]*
<<locked>>
86%
25135
39%
**31
90%
Norma 201
<<locked>>
81%
50720
79%
**64
100%
Norma 202
<<locked>>
81%
51242
80%
**67
100%
Norma 203B
<<locked>>
81%
46673
73%
**51
100%
[Norma 204]*
<<locked>>
81%
34243
54%
**38
91%
[Norma MRP]*
<<locked>>
84%
29298
46%
**01
90%
Norma URP
<<locked>>
81%
34548
54%
**74
97%
Ramshot Big Game
<<locked>>
81%
46398
73%
**74
100%
Ramshot Hunter
<<locked>>
81%
33605
53%
**57
95%
[Ramshot Magnum]*
<<locked>>
89%
31531
49%
**18
90%
ReloadSwiss RS 50
<<locked>>
81%
44875
70%
**05
98%
ReloadSwiss RS 52
<<locked>>
81%
45948
72%
**67
100%
ReloadSwiss RS 60
<<locked>>
81%
37159
58%
**88
100%
ReloadSwiss RS 62
<<locked>>
81%
34026
53%
**87
97%
ReloadSwiss RS 70
<<locked>>
81%
33750
53%
**90
96%
Rottweil R 902
<<locked>>
81%
48153
75%
**21
100%
Rottweil R 903
<<locked>>
81%
41495
65%
**65
100%
[Rottweil R 904]*
<<locked>>
85%
34838
55%
**24
90%
[Rottweil R 905]*
<<locked>>
84%
31299
49%
**95
90%
Rottweil R 907
<<locked>>
81%
39320
62%
**93
95%
SNPE Vectan SP 11
<<locked>>
81%
42511
67%
**08
100%
SNPE Vectan SP 7
<<locked>>
81%
52475
82%
**13
100%
SNPE Vectan SP 9
<<locked>>
81%
50169
79%
**93
100%
SNPE Vectan Tubal 3000
<<locked>>
81%
51938
81%
**11
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
43555
68%
**87
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
37362
59%
**24
95%
Shooters World Long Rifle
<<locked>>
81%
38145
60%
**80
97%
Shooters World Match Rifle
<<locked>>
81%
51706
81%
**93
100%
Shooters World Precision
<<locked>>
81%
46209
72%
**11
100%
Somchem S335
<<locked>>
81%
51474
81%
**08
100%
Somchem S341
<<locked>>
81%
52301
82%
**07
100%
Somchem S355
<<locked>>
81%
42090
66%
**65
100%
[Somchem S361]*
<<locked>>
86%
37521
59%
**60
90%
Somchem S365
<<locked>>
81%
30951
48%
**34
99%
[Somchem S385]*
<<locked>>
81%
29051
46%
**26
90%
Vihtavuori N133
<<locked>>
81%
49008
77%
**52
100%
Vihtavuori N135
<<locked>>
81%
41162
64%
**90
100%
Vihtavuori N140
<<locked>>
81%
47979
75%
**98
100%
Vihtavuori N150
<<locked>>
81%
36042
56%
**31
100%
Vihtavuori N160
<<locked>>
81%
37347
59%
**00
98%
[Vihtavuori N165]*
<<locked>>
87%
30124
47%
**36
90%
Vihtavuori N540
<<locked>>
81%
47485
74%
**18
100%
Vihtavuori N550
<<locked>>
81%
38029
60%
**43
98%
Vihtavuori N555
<<locked>>
81%
26832
42%
**29
95%
[Vihtavuori N560]*
<<locked>>
92%
37623
59%
**82
90%
Winchester 6.5 StaBALL
<<locked>>
81%
35389
55%
**47
99%
Winchester 760
<<locked>>
81%
39711
62%
**79
96%
[Winchester StaBALL HD]*
<<locked>>
81%
21944
34%
**08
91%

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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