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Load data for .375 Weath. Mag. + .374 | 300gr | Rhino Penetrator

Recommended Powder(s): Alliant Reloder-15, Alliant Reloder-17, Hodgdon CFE223, ReloadSwiss RS 60, SNPE Vectan SP 11

.375 Weath. Mag. + .374 | 300gr | Rhino Penetrator

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.374 | 300gr | Rhino Penetrator
Bullet Weight:
300gr | 19.4g
Bullet Diameter:
0.374" | 9.50mm
Bullet Length:
1.496" | 38.0mm
Caliber:
.375 Weath. Mag. load data
Case Length (l3):
2.850" | 72.4mm
Cartridge Length (C.O.L.):
3.507" | 89.1mm
Seated Depth:
0.839" | 21.3mm
Shank Seated Depth:
0.839" | 21.3mm
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_B5316_C568
Last updated:
2025-01-01

Load data for 192 loads in caliber .375 Weath. Mag. with .374 | 300gr | Rhino Penetrator bullet and 96 powders such as Alliant Reloder-15, Alliant Reloder-17, Hodgdon CFE223, ReloadSwiss RS 60, SNPE Vectan SP 11. 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>>
89%
57305
90%
**33
100%
ADI AR 2208
<<locked>>
94%
57145
90%
**13
100%
[ADI AR 2209]*
<<locked>>
97%
42148
66%
**49
93%
Accurate 2015
<<locked>>
85%
57217
90%
**18
100%
Accurate 2200
<<locked>>
87%
57305
90%
**97
100%
Accurate 2495
<<locked>>
87%
56956
89%
**77
100%
Accurate 2520
<<locked>>
87%
57174
90%
**13
100%
Accurate 2700
<<locked>>
95%
57435
90%
**74
98%
[Accurate 3100]*
<<locked>>
97%
34679
54%
**28
94%
Accurate 4064
<<locked>>
93%
57116
90%
**10
100%
Accurate 4350
<<locked>>
97%
48892
77%
**84
99%
Alliant AR-Comp
<<locked>>
87%
56840
89%
**57
100%
Alliant Reloder- TS 15.5
<<locked>>
94%
57334
90%
**39
100%
Alliant Reloder-15 👍
<<locked>>
92%
57421
90%
**52
100%
Alliant Reloder-16
<<locked>>
97%
48022
75%
**93
99%
Alliant Reloder-17 👍
<<locked>>
97%
54926
86%
**12
100%
[Alliant Reloder-19]*
<<locked>>
97%
41698
65%
**52
93%
Alliant Reloder-23
<<locked>>
97%
34258
54%
**64
98%
Alliant Reloder-26
<<locked>>
97%
37333
58%
**79
96%
Baschieri & Pellagri 107
<<locked>>
89%
57130
90%
**49
100%
Hodgdon BL-C2
<<locked>>
87%
57232
90%
**49
100%
Hodgdon Benchmark
<<locked>>
86%
56898
89%
**54
100%
Hodgdon CFE223 👍
<<locked>>
92%
57130
90%
**89
100%
Hodgdon H322
<<locked>>
85%
57348
90%
**80
100%
Hodgdon H380
<<locked>>
93%
56811
89%
**39
100%
Hodgdon H414
<<locked>>
97%
57377
90%
**05
99%
Hodgdon H4350
<<locked>>
97%
46528
73%
**82
96%
Hodgdon Hybrid 100V
<<locked>>
97%
44019
69%
**82
100%
Hodgdon LVR
<<locked>>
97%
52968
83%
**30
99%
Hodgdon Superperformance
<<locked>>
97%
52663
83%
**59
97%
Hodgdon VARGET
<<locked>>
94%
56840
89%
**13
100%
IMR 3031
<<locked>>
91%
56782
89%
**03
100%
IMR 4064
<<locked>>
95%
57392
90%
**07
100%
IMR 4166 Enduron
<<locked>>
95%
57217
90%
**90
98%
IMR 4350
<<locked>>
97%
48675
76%
**18
96%
IMR 4451 Enduron
<<locked>>
96%
56942
89%
**16
98%
IMR 4831
<<locked>>
97%
41655
65%
**52
98%
IMR 4895
<<locked>>
91%
56637
89%
**52
100%
IMR 8208 XBR
<<locked>>
87%
56942
89%
**93
100%
Lovex D073.6
<<locked>>
89%
57174
90%
**13
100%
Lovex S060
<<locked>>
89%
56956
89%
**64
100%
Lovex S062
<<locked>>
92%
57043
89%
**03
100%
Lovex S065
<<locked>>
97%
53417
84%
**74
99%
Lovex S070
<<locked>>
97%
50444
79%
**51
97%
Norma 201
<<locked>>
89%
57232
90%
**97
100%
Norma 202
<<locked>>
89%
56840
89%
**87
100%
Norma 203B
<<locked>>
92%
57246
90%
**52
100%
Norma 204
<<locked>>
97%
49153
77%
**61
95%
[Norma MRP]*
<<locked>>
97%
37594
59%
**43
93%
Norma URP
<<locked>>
97%
48356
76%
**77
99%
Ramshot Big Game
<<locked>>
92%
56855
89%
**66
100%
Ramshot Hunter
<<locked>>
97%
47456
74%
**67
98%
Ramshot TAC
<<locked>>
87%
57116
90%
**13
99%
Ramshot Wild Boar
<<locked>>
87%
57246
90%
**33
100%
Ramshot X-Terminator
<<locked>>
84%
56840
89%
**84
100%
ReloadSwiss RS 40
<<locked>>
83%
57101
89%
**80
100%
ReloadSwiss RS 50
<<locked>>
93%
56797
89%
**20
99%
ReloadSwiss RS 52
<<locked>>
92%
57000
89%
**69
100%
ReloadSwiss RS 60 👍
<<locked>>
97%
53301
84%
**05
100%
ReloadSwiss RS 62
<<locked>>
97%
48675
76%
**07
99%
ReloadSwiss RS 70
<<locked>>
97%
48414
76%
**20
99%
Rottweil R 901
<<locked>>
87%
57029
89%
**61
100%
Rottweil R 902
<<locked>>
91%
57159
90%
**84
100%
Rottweil R 903
<<locked>>
96%
56956
89%
**39
100%
[Rottweil R 904]*
<<locked>>
97%
44092
69%
**46
92%
[Rottweil R 905]*
<<locked>>
97%
39726
62%
**26
93%
Rottweil R 907
<<locked>>
97%
55738
87%
**93
98%
SNPE Vectan SP 11 👍
<<locked>>
95%
56956
89%
**72
100%
SNPE Vectan SP 7
<<locked>>
88%
57130
90%
**13
100%
SNPE Vectan SP 9
<<locked>>
90%
57246
90%
**26
100%
SNPE Vectan Tubal 3000
<<locked>>
88%
57116
89%
**15
100%
SNPE Vectan Tubal 5000
<<locked>>
94%
57392
90%
**15
100%
SNPE Vectan Tubal 7000
<<locked>>
97%
53606
84%
**28
98%
Shooters World Long Rifle
<<locked>>
97%
53417
84%
**74
99%
Shooters World Match Rifle
<<locked>>
89%
57174
90%
**13
100%
Shooters World Precision
<<locked>>
92%
57043
89%
**03
100%
Somchem S321
<<locked>>
85%
57232
90%
**13
100%
Somchem S335
<<locked>>
89%
57276
90%
**25
100%
Somchem S341
<<locked>>
88%
56913
89%
**07
100%
Somchem S355
<<locked>>
96%
57029
89%
**30
100%
Somchem S365
<<locked>>
97%
43033
67%
**28
100%
[Somchem S385]*
<<locked>>
97%
40495
63%
**20
94%
Vihtavuori N130
<<locked>>
85%
56913
89%
**82
100%
Vihtavuori N133
<<locked>>
90%
56768
89%
**95
100%
Vihtavuori N135
<<locked>>
97%
56376
88%
**48
100%
Vihtavuori N140
<<locked>>
91%
56913
89%
**61
100%
Vihtavuori N150
<<locked>>
97%
49835
78%
**05
100%
Vihtavuori N160
<<locked>>
97%
53374
84%
**00
100%
Vihtavuori N530
<<locked>>
85%
56797
89%
**00
100%
Vihtavuori N540
<<locked>>
92%
57377
90%
**97
100%
Vihtavuori N550
<<locked>>
97%
53316
84%
**39
99%
Vihtavuori N555
<<locked>>
97%
36709
58%
**26
98%
Winchester 6.5 StaBALL
<<locked>>
97%
50995
80%
**51
100%
Winchester 748
<<locked>>
85%
56956
89%
**33
100%
Winchester 760
<<locked>>
97%
57377
90%
**05
99%
Winchester StaBALL HD
<<locked>>
97%
30269
47%
**38
97%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
44962
70%
**56
99%
ADI AR 2208
<<locked>>
81%
38421
60%
**28
98%
[ADI AR 2209]*
<<locked>>
92%
36622
57%
**41
90%
Accurate 2015
<<locked>>
81%
50937
80%
**43
100%
Accurate 2200
<<locked>>
81%
47166
74%
**59
99%
Accurate 2495
<<locked>>
81%
46499
73%
**46
100%
Accurate 2520
<<locked>>
81%
47094
74%
**82
100%
[Accurate 2700]*
<<locked>>
81%
36796
58%
**46
92%
[Accurate 3100]*
<<locked>>
90%
26992
42%
**51
90%
Accurate 4064
<<locked>>
81%
39189
61%
**54
100%
[Accurate 4350]*
<<locked>>
81%
28253
44%
**90
93%
Alliant AR-Comp
<<locked>>
81%
47514
74%
**46
100%
Alliant Reloder- TS 15.5
<<locked>>
81%
37826
59%
**44
99%
Alliant Reloder-15
<<locked>>
81%
40654
64%
**97
98%
[Alliant Reloder-16]*
<<locked>>
81%
29428
46%
**10
94%
Alliant Reloder-17
<<locked>>
81%
32619
51%
**18
97%
[Alliant Reloder-19]*
<<locked>>
92%
35462
56%
**24
90%
[Alliant Reloder-23]*
<<locked>>
83%
22350
35%
**23
90%
[Alliant Reloder-26]*
<<locked>>
87%
27238
43%
**16
90%
Baschieri & Pellagri 107
<<locked>>
81%
44295
69%
**65
99%
Hodgdon BL-C2
<<locked>>
81%
46688
73%
**05
100%
Hodgdon Benchmark
<<locked>>
81%
48965
77%
**46
100%
Hodgdon CFE223
<<locked>>
81%
38725
61%
**03
97%
Hodgdon H322
<<locked>>
81%
50212
79%
**88
100%
Hodgdon H380
<<locked>>
81%
38319
60%
**51
97%
[Hodgdon H414]*
<<locked>>
81%
33620
53%
**98
92%
[Hodgdon H4350]*
<<locked>>
84%
31792
50%
**96
90%
Hodgdon Hybrid 100V
<<locked>>
81%
27079
42%
**24
95%
[Hodgdon LVR]*
<<locked>>
81%
31734
50%
**49
94%
[Hodgdon Superperformance]*
<<locked>>
83%
32750
51%
**85
90%
Hodgdon VARGET
<<locked>>
81%
38029
60%
**18
98%
IMR 3031
<<locked>>
81%
41466
65%
**00
100%
IMR 4064
<<locked>>
81%
37666
59%
**08
98%
[IMR 4166 Enduron]*
<<locked>>
81%
37710
59%
**72
94%
[IMR 4350]*
<<locked>>
83%
31560
49%
**93
90%
[IMR 4451 Enduron]*
<<locked>>
81%
35549
56%
**62
93%
[IMR 4831]*
<<locked>>
81%
25483
40%
**95
92%
IMR 4895
<<locked>>
81%
41553
65%
**23
99%
IMR 8208 XBR
<<locked>>
81%
47065
74%
**59
100%
Lovex D073.6
<<locked>>
81%
43816
69%
**33
100%
Lovex S060
<<locked>>
81%
45295
71%
**00
99%
Lovex S062
<<locked>>
81%
40205
63%
**60
100%
[Lovex S065]*
<<locked>>
81%
32996
52%
**16
94%
[Lovex S070]*
<<locked>>
81%
31140
49%
**90
91%
Norma 201
<<locked>>
81%
44164
69%
**10
100%
Norma 202
<<locked>>
81%
44454
70%
**16
100%
Norma 203B
<<locked>>
81%
39900
63%
**83
99%
[Norma 204]*
<<locked>>
87%
35984
56%
**21
90%
[Norma MRP]*
<<locked>>
92%
32372
51%
**21
90%
[Norma URP]*
<<locked>>
81%
29167
46%
**96
94%
Ramshot Big Game
<<locked>>
81%
39508
62%
**03
99%
[Ramshot Hunter]*
<<locked>>
81%
28631
45%
**80
90%
Ramshot TAC
<<locked>>
81%
47123
74%
**69
98%
Ramshot Wild Boar
<<locked>>
81%
46601
73%
**92
100%
Ramshot X-Terminator
<<locked>>
81%
50792
80%
**05
100%
ReloadSwiss RS 40
<<locked>>
81%
52953
83%
**28
100%
ReloadSwiss RS 50
<<locked>>
81%
38754
61%
**34
95%
ReloadSwiss RS 52
<<locked>>
81%
38638
61%
**00
100%
ReloadSwiss RS 60
<<locked>>
81%
31749
50%
**08
98%
[ReloadSwiss RS 62]*
<<locked>>
81%
28427
45%
**03
93%
[ReloadSwiss RS 70]*
<<locked>>
81%
28790
45%
**96
91%
Rottweil R 901
<<locked>>
81%
48327
76%
**49
100%
Rottweil R 902
<<locked>>
81%
41901
66%
**67
100%
Rottweil R 903
<<locked>>
81%
35259
55%
**98
98%
[Rottweil R 904]*
<<locked>>
93%
39073
61%
**54
90%
[Rottweil R 905]*
<<locked>>
92%
34432
54%
**15
90%
[Rottweil R 907]*
<<locked>>
81%
34142
53%
**26
91%
SNPE Vectan SP 11
<<locked>>
81%
36158
57%
**41
98%
SNPE Vectan SP 7
<<locked>>
81%
45281
71%
**43
98%
SNPE Vectan SP 9
<<locked>>
81%
43294
68%
**26
99%
SNPE Vectan Tubal 3000
<<locked>>
81%
45774
72%
**67
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
37898
59%
**52
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
81%
31749
50%
**64
92%
[Shooters World Long Rifle]*
<<locked>>
81%
32996
52%
**16
94%
Shooters World Match Rifle
<<locked>>
81%
43816
69%
**33
100%
Shooters World Precision
<<locked>>
81%
40205
63%
**60
100%
Somchem S321
<<locked>>
81%
51155
80%
**34
100%
Somchem S335
<<locked>>
81%
45194
71%
**70
100%
Somchem S341
<<locked>>
81%
45223
71%
**46
99%
Somchem S355
<<locked>>
81%
36187
57%
**05
98%
Somchem S365
<<locked>>
81%
26049
41%
**57
96%
[Somchem S385]*
<<locked>>
89%
31459
49%
**39
90%
Vihtavuori N130
<<locked>>
81%
50778
80%
**06
100%
Vihtavuori N133
<<locked>>
81%
42975
67%
**18
100%
Vihtavuori N135
<<locked>>
81%
35041
55%
**42
100%
Vihtavuori N140
<<locked>>
81%
41611
65%
**54
100%
Vihtavuori N150
<<locked>>
81%
30777
48%
**73
98%
Vihtavuori N160
<<locked>>
81%
31836
50%
**33
95%
Vihtavuori N530
<<locked>>
81%
49995
78%
**11
100%
Vihtavuori N540
<<locked>>
81%
41118
64%
**70
100%
Vihtavuori N550
<<locked>>
81%
31995
50%
**69
95%
[Vihtavuori N555]*
<<locked>>
81%
22553
35%
**59
90%
Winchester 6.5 StaBALL
<<locked>>
81%
30589
48%
**87
97%
Winchester 748
<<locked>>
81%
50676
79%
**54
100%
[Winchester 760]*
<<locked>>
81%
33620
53%
**98
92%
[Winchester StaBALL HD]*
<<locked>>
89%
23670
37%
**08
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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