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Load data for .375 Weath. Mag. + .375 | 300gr | Hornady FMJ RN

Recommended Powder(s): Accurate 4350, Hodgdon LVR, ReloadSwiss RS 62, Vihtavuori N160, Vihtavuori N550

.375 Weath. Mag. + .375 | 300gr | Hornady FMJ RN

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.375 | 300gr | Hornady FMJ RN
Manufacturer SKU:
3727
Bullet Weight:
300gr | 19.4g
Bullet Diameter:
0.375" | 9.52mm
Bullet Length:
1.264" | 32.1mm
Caliber:
.375 Weath. Mag. load data
Case Length (l3):
2.850" | 72.4mm
Cartridge Length (C.O.L.):
3.507" | 89.1mm
Seated Depth:
0.607" | 15.4mm
Shank Seated Depth:
0.607" | 15.4mm
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_B2812_C568
Last updated:
2025-01-01

Load data for 194 loads in caliber .375 Weath. Mag. with .375 | 300gr | Hornady FMJ RN bullet and 97 powders such as Accurate 4350, Hodgdon LVR, ReloadSwiss RS 62, Vihtavuori N160, Vihtavuori N550. 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 2206H
<<locked>>
86%
57014
89%
**59
100%
ADI AR 2208
<<locked>>
92%
57392
90%
**49
100%
ADI AR 2209
<<locked>>
97%
45672
72%
**48
95%
Accurate 2200
<<locked>>
85%
57014
89%
**30
100%
Accurate 2495
<<locked>>
85%
56811
89%
**00
100%
Accurate 2520
<<locked>>
85%
57159
90%
**36
100%
Accurate 2700
<<locked>>
93%
57435
90%
**07
98%
Accurate 3100
<<locked>>
97%
38537
60%
**23
96%
Accurate 4064
<<locked>>
90%
56710
89%
**23
100%
Accurate 4350 👍
<<locked>>
97%
53838
84%
**75
100%
Alliant AR-Comp
<<locked>>
84%
57334
90%
**80
100%
Alliant Reloder- TS 15.5
<<locked>>
92%
56927
89%
**66
100%
Alliant Reloder-15
<<locked>>
89%
56942
89%
**75
100%
Alliant Reloder-16
<<locked>>
97%
51227
80%
**75
100%
Alliant Reloder-17
<<locked>>
95%
56869
89%
**67
100%
Alliant Reloder-19
<<locked>>
97%
45150
71%
**48
95%
[Alliant Reloder-22]*
<<locked>>
97%
39175
61%
**82
93%
Alliant Reloder-23
<<locked>>
97%
37260
58%
**56
99%
[Alliant Reloder-25]*
<<locked>>
97%
32561
51%
**47
94%
Alliant Reloder-26
<<locked>>
97%
40901
64%
**84
98%
Baschieri & Pellagri 107
<<locked>>
86%
56898
89%
**79
100%
Hodgdon BL-C2
<<locked>>
85%
57334
90%
**72
100%
Hodgdon Benchmark
<<locked>>
84%
57246
90%
**87
100%
Hodgdon CFE223
<<locked>>
90%
56985
89%
**15
100%
Hodgdon H380
<<locked>>
91%
57159
90%
**75
100%
Hodgdon H414
<<locked>>
94%
57217
90%
**31
99%
Hodgdon H4350
<<locked>>
97%
50198
79%
**74
97%
Hodgdon Hybrid 100V
<<locked>>
97%
47877
75%
**70
100%
Hodgdon LVR 👍
<<locked>>
97%
57014
89%
**15
100%
Hodgdon Superperformance
<<locked>>
97%
56898
89%
**64
99%
Hodgdon VARGET
<<locked>>
92%
57392
90%
**49
100%
IMR 3031
<<locked>>
89%
57377
90%
**39
100%
IMR 4064
<<locked>>
93%
57363
90%
**43
100%
IMR 4166 Enduron
<<locked>>
93%
56956
89%
**23
99%
IMR 4350
<<locked>>
97%
52736
83%
**13
98%
IMR 4451 Enduron
<<locked>>
94%
57334
90%
**56
99%
IMR 4831
<<locked>>
97%
45411
71%
**41
99%
IMR 4895
<<locked>>
89%
56811
89%
**85
100%
[IMR 4955 Enduron]*
<<locked>>
97%
42830
67%
**46
92%
IMR 8208 XBR
<<locked>>
85%
57305
90%
**30
100%
Lovex D073.6
<<locked>>
87%
57159
90%
**36
100%
Lovex S060
<<locked>>
87%
57348
90%
**00
100%
Lovex S062
<<locked>>
90%
56985
89%
**30
100%
Lovex S065
<<locked>>
97%
57000
89%
**52
99%
Lovex S070
<<locked>>
97%
54810
86%
**49
99%
[Lovex S071]*
<<locked>>
97%
32024
50%
**88
94%
Norma 201
<<locked>>
87%
57319
90%
**30
100%
Norma 202
<<locked>>
87%
57000
89%
**10
100%
Norma 203B
<<locked>>
90%
56724
89%
**75
100%
Norma 204
<<locked>>
97%
53243
83%
**56
97%
Norma MRP
<<locked>>
97%
40857
64%
**51
95%
Norma URP
<<locked>>
97%
52852
83%
**66
100%
Ramshot Big Game
<<locked>>
90%
57217
90%
**95
100%
Ramshot Hunter
<<locked>>
97%
51619
81%
**66
99%
[Ramshot Magnum]*
<<locked>>
97%
37202
58%
**10
92%
Ramshot TAC
<<locked>>
85%
57029
89%
**46
100%
Ramshot Wild Boar
<<locked>>
85%
56739
89%
**62
100%
ReloadSwiss RS 50
<<locked>>
91%
57043
89%
**56
99%
ReloadSwiss RS 52
<<locked>>
90%
57392
90%
**02
100%
ReloadSwiss RS 60
<<locked>>
96%
57072
89%
**90
100%
ReloadSwiss RS 62 👍
<<locked>>
97%
52968
83%
**92
100%
ReloadSwiss RS 70
<<locked>>
97%
52504
82%
**21
100%
Rottweil R 901
<<locked>>
85%
57116
89%
**90
100%
Rottweil R 902
<<locked>>
89%
57188
90%
**20
100%
Rottweil R 903
<<locked>>
93%
57101
89%
**62
100%
[Rottweil R 904]*
<<locked>>
97%
47485
74%
**34
94%
Rottweil R 905
<<locked>>
97%
43337
68%
**28
95%
Rottweil R 907
<<locked>>
95%
56811
89%
**49
98%
SNPE Vectan SP 11
<<locked>>
93%
57421
90%
**08
100%
SNPE Vectan SP 7
<<locked>>
86%
56884
89%
**43
100%
SNPE Vectan SP 9
<<locked>>
87%
56985
89%
**52
100%
SNPE Vectan Tubal 3000
<<locked>>
86%
56855
89%
**41
100%
SNPE Vectan Tubal 5000
<<locked>>
92%
57246
90%
**44
100%
SNPE Vectan Tubal 7000
<<locked>>
97%
57130
90%
**07
99%
Shooters World Long Rifle
<<locked>>
97%
57000
89%
**52
99%
Shooters World Match Rifle
<<locked>>
87%
57159
90%
**36
100%
Shooters World Precision
<<locked>>
90%
56985
89%
**30
100%
Somchem S335
<<locked>>
86%
56681
89%
**48
100%
Somchem S341
<<locked>>
86%
57290
90%
**43
100%
Somchem S355
<<locked>>
93%
57334
90%
**62
100%
[Somchem S361]*
<<locked>>
97%
48660
76%
**25
93%
Somchem S365
<<locked>>
97%
47442
74%
**20
100%
Somchem S385
<<locked>>
97%
44237
69%
**11
96%
Vihtavuori N130
<<locked>>
83%
56797
89%
**05
100%
Vihtavuori N133
<<locked>>
88%
57159
90%
**28
100%
Vihtavuori N135
<<locked>>
94%
56608
89%
**77
100%
Vihtavuori N140
<<locked>>
89%
57319
90%
**93
100%
Vihtavuori N150
<<locked>>
97%
53795
84%
**87
100%
Vihtavuori N160 👍
<<locked>>
96%
57116
90%
**85
100%
[Vihtavuori N165]*
<<locked>>
97%
37028
58%
**67
93%
Vihtavuori N530
<<locked>>
83%
57000
89%
**30
100%
Vihtavuori N540
<<locked>>
89%
57159
90%
**23
100%
Vihtavuori N550 👍
<<locked>>
96%
57058
89%
**25
100%
Vihtavuori N555
<<locked>>
97%
40625
64%
**21
99%
Winchester 6.5 StaBALL
<<locked>>
97%
55666
87%
**49
100%
Winchester 760
<<locked>>
94%
57217
90%
**31
99%
Winchester StaBALL HD
<<locked>>
97%
32880
52%
**52
99%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
48240
76%
**31
100%
ADI AR 2208
<<locked>>
81%
41133
64%
**03
99%
[ADI AR 2209]*
<<locked>>
88%
34635
54%
**24
90%
Accurate 2200
<<locked>>
81%
50386
79%
**41
99%
Accurate 2495
<<locked>>
81%
50299
79%
**18
100%
Accurate 2520
<<locked>>
81%
50705
79%
**57
100%
[Accurate 2700]*
<<locked>>
81%
39363
62%
**31
94%
[Accurate 3100]*
<<locked>>
85%
25846
40%
**37
90%
Accurate 4064
<<locked>>
81%
42438
67%
**33
100%
Accurate 4350
<<locked>>
81%
31198
49%
**78
95%
Alliant AR-Comp
<<locked>>
81%
51111
80%
**08
100%
Alliant Reloder- TS 15.5
<<locked>>
81%
40683
64%
**23
100%
Alliant Reloder-15
<<locked>>
81%
43700
68%
**82
99%
Alliant Reloder-16
<<locked>>
81%
31633
50%
**88
95%
Alliant Reloder-17
<<locked>>
81%
35288
55%
**06
99%
[Alliant Reloder-19]*
<<locked>>
87%
33634
53%
**18
90%
[Alliant Reloder-22]*
<<locked>>
92%
33562
53%
**57
90%
[Alliant Reloder-23]*
<<locked>>
81%
22858
36%
**69
92%
[Alliant Reloder-25]*
<<locked>>
91%
27833
44%
**10
90%
[Alliant Reloder-26]*
<<locked>>
83%
25933
41%
**06
90%
Baschieri & Pellagri 107
<<locked>>
81%
47616
75%
**48
99%
Hodgdon BL-C2
<<locked>>
81%
50314
79%
**80
100%
Hodgdon Benchmark
<<locked>>
81%
52141
82%
**21
100%
Hodgdon CFE223
<<locked>>
81%
42163
66%
**92
99%
Hodgdon H380
<<locked>>
81%
41162
65%
**33
98%
[Hodgdon H414]*
<<locked>>
81%
36477
57%
**83
94%
[Hodgdon H4350]*
<<locked>>
81%
30777
48%
**03
90%
Hodgdon Hybrid 100V
<<locked>>
81%
28993
45%
**06
96%
Hodgdon LVR
<<locked>>
81%
34389
54%
**34
96%
[Hodgdon Superperformance]*
<<locked>>
81%
32677
51%
**15
91%
Hodgdon VARGET
<<locked>>
81%
40640
64%
**90
99%
IMR 3031
<<locked>>
81%
44483
70%
**69
100%
IMR 4064
<<locked>>
81%
40292
63%
**80
99%
IMR 4166 Enduron
<<locked>>
81%
39943
63%
**47
95%
[IMR 4350]*
<<locked>>
81%
32314
51%
**39
91%
[IMR 4451 Enduron]*
<<locked>>
81%
37985
60%
**34
94%
[IMR 4831]*
<<locked>>
81%
27557
43%
**73
94%
IMR 4895
<<locked>>
81%
44715
70%
**05
100%
[IMR 4955 Enduron]*
<<locked>>
94%
39044
61%
**74
90%
IMR 8208 XBR
<<locked>>
81%
50372
79%
**34
100%
Lovex D073.6
<<locked>>
81%
47558
75%
**15
100%
Lovex S060
<<locked>>
81%
48109
75%
**72
100%
Lovex S062
<<locked>>
81%
43178
68%
**33
100%
Lovex S065
<<locked>>
81%
35433
56%
**98
95%
[Lovex S070]*
<<locked>>
81%
33576
53%
**75
93%
[Lovex S071]*
<<locked>>
90%
25962
41%
**41
90%
Norma 201
<<locked>>
81%
47210
74%
**85
100%
Norma 202
<<locked>>
81%
47703
75%
**92
100%
Norma 203B
<<locked>>
81%
43076
67%
**69
99%
[Norma 204]*
<<locked>>
83%
33968
53%
**05
90%
[Norma MRP]*
<<locked>>
88%
30400
48%
**01
90%
Norma URP
<<locked>>
81%
31705
50%
**88
95%
Ramshot Big Game
<<locked>>
81%
42772
67%
**85
99%
[Ramshot Hunter]*
<<locked>>
81%
30966
49%
**65
93%
[Ramshot Magnum]*
<<locked>>
94%
33330
52%
**28
90%
Ramshot TAC
<<locked>>
81%
50256
79%
**48
99%
Ramshot Wild Boar
<<locked>>
81%
49821
78%
**64
100%
ReloadSwiss RS 50
<<locked>>
81%
41640
65%
**16
96%
ReloadSwiss RS 52
<<locked>>
81%
42018
66%
**79
100%
ReloadSwiss RS 60
<<locked>>
81%
34185
54%
**97
99%
ReloadSwiss RS 62
<<locked>>
81%
31024
49%
**95
95%
[ReloadSwiss RS 70]*
<<locked>>
81%
31096
49%
**95
94%
Rottweil R 901
<<locked>>
81%
51387
81%
**15
100%
Rottweil R 902
<<locked>>
81%
45005
71%
**46
100%
Rottweil R 903
<<locked>>
81%
38218
60%
**77
99%
[Rottweil R 904]*
<<locked>>
89%
36825
58%
**41
90%
[Rottweil R 905]*
<<locked>>
88%
33083
52%
**15
90%
[Rottweil R 907]*
<<locked>>
81%
36521
57%
**08
93%
SNPE Vectan SP 11
<<locked>>
81%
39102
61%
**26
99%
SNPE Vectan SP 7
<<locked>>
81%
48733
76%
**28
99%
SNPE Vectan SP 9
<<locked>>
81%
46557
73%
**08
100%
SNPE Vectan Tubal 3000
<<locked>>
81%
48704
76%
**39
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
40509
63%
**21
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
81%
34403
54%
**46
93%
Shooters World Long Rifle
<<locked>>
81%
35433
56%
**98
95%
Shooters World Match Rifle
<<locked>>
81%
47558
75%
**15
100%
Shooters World Precision
<<locked>>
81%
43178
68%
**33
100%
Somchem S335
<<locked>>
81%
48138
75%
**39
100%
Somchem S341
<<locked>>
81%
48602
76%
**25
100%
Somchem S355
<<locked>>
81%
38972
61%
**80
99%
[Somchem S361]*
<<locked>>
91%
39769
62%
**74
90%
Somchem S365
<<locked>>
81%
28398
45%
**46
98%
[Somchem S385]*
<<locked>>
85%
29907
47%
**23
90%
Vihtavuori N130
<<locked>>
81%
53505
84%
**65
100%
Vihtavuori N133
<<locked>>
81%
45745
72%
**83
100%
Vihtavuori N135
<<locked>>
81%
37884
59%
**18
100%
Vihtavuori N140
<<locked>>
81%
44570
70%
**26
100%
Vihtavuori N150
<<locked>>
81%
33243
52%
**52
99%
Vihtavuori N160
<<locked>>
81%
34345
54%
**08
96%
[Vihtavuori N165]*
<<locked>>
92%
32111
50%
**59
90%
Vihtavuori N530
<<locked>>
81%
53011
83%
**77
100%
Vihtavuori N540
<<locked>>
81%
44121
69%
**43
100%
Vihtavuori N550
<<locked>>
81%
34650
54%
**47
96%
[Vihtavuori N555]*
<<locked>>
81%
24410
38%
**41
92%
Winchester 6.5 StaBALL
<<locked>>
81%
32837
51%
**65
98%
[Winchester 760]*
<<locked>>
81%
36477
57%
**83
94%
[Winchester StaBALL HD]*
<<locked>>
85%
22568
35%
**98
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.

<<locked>>... you need to buy an access license to unlock the data

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