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

Recommended Powder(s): Hodgdon CFE223, IMR 4895, Ramshot Big Game, ReloadSwiss RS 52, SNPE Vectan SP 11

.375 H.& H. 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 H.& H. Mag. load data
Case Length (l3):
2.859" | 72.6mm
Cartridge Length (C.O.L.):
3.546" | 90.1mm
Seated Depth:
0.809" | 20.5mm
Shank Seated Depth:
0.809" | 20.5mm
Case Capacity:
95.3 Grains of Water | 6.19 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
62366 psi | 4300 bar
LID:
LID_B5316_C543
Last updated:
2025-01-01

Load data for 194 loads in caliber .375 H.& H. Mag. with .374 | 300gr | Rhino Penetrator bullet and 97 powders such as Hodgdon CFE223, IMR 4895, Ramshot Big Game, ReloadSwiss RS 52, 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>>
91%
55230
89%
**41
100%
ADI AR 2208
<<locked>>
97%
55796
89%
**38
100%
Accurate 2015
<<locked>>
87%
55158
88%
**43
100%
Accurate 2200
<<locked>>
89%
55970
90%
**21
99%
Accurate 2230
<<locked>>
85%
55622
89%
**05
100%
Accurate 2460
<<locked>>
85%
55927
90%
**08
100%
Accurate 2495
<<locked>>
90%
55303
89%
**08
100%
Accurate 2520
<<locked>>
89%
55593
89%
**38
100%
Accurate 2700
<<locked>>
97%
55463
89%
**79
96%
Accurate 4064
<<locked>>
96%
55695
89%
**38
100%
Accurate 4350
<<locked>>
97%
42293
68%
**29
98%
Alliant AR-Comp
<<locked>>
90%
55927
90%
**98
100%
Alliant Reloder- TS 15.5
<<locked>>
97%
55680
89%
**64
100%
Alliant Reloder-10x
<<locked>>
84%
55840
90%
**59
100%
Alliant Reloder-15
<<locked>>
94%
55782
89%
**74
100%
Alliant Reloder-16
<<locked>>
97%
43091
69%
**43
98%
Alliant Reloder-17
<<locked>>
97%
49139
79%
**70
100%
Alliant Reloder-23
<<locked>>
97%
30487
49%
**13
95%
[Alliant Reloder-26]*
<<locked>>
97%
32677
52%
**01
92%
Baschieri & Pellagri 106
<<locked>>
83%
55550
89%
**16
100%
Baschieri & Pellagri 107
<<locked>>
91%
55680
89%
**67
99%
Hodgdon BL-C2
<<locked>>
89%
55680
89%
**70
100%
Hodgdon Benchmark
<<locked>>
88%
55477
89%
**72
100%
Hodgdon CFE223 👍
<<locked>>
95%
55550
89%
**07
99%
Hodgdon H322
<<locked>>
88%
55999
90%
**05
100%
Hodgdon H380
<<locked>>
96%
55767
89%
**61
99%
Hodgdon H414
<<locked>>
97%
50560
81%
**48
97%
[Hodgdon H4350]*
<<locked>>
97%
41901
67%
**47
93%
Hodgdon Hybrid 100V
<<locked>>
97%
39073
63%
**41
98%
Hodgdon LVR
<<locked>>
97%
47050
75%
**85
98%
Hodgdon Superperformance
<<locked>>
97%
46789
75%
**95
95%
Hodgdon VARGET
<<locked>>
97%
55622
89%
**31
100%
IMR 3031
<<locked>>
94%
55245
89%
**38
100%
IMR 4064
<<locked>>
97%
54505
87%
**11
100%
IMR 4166 Enduron
<<locked>>
97%
55071
88%
**92
97%
IMR 4198
<<locked>>
84%
55477
89%
**10
100%
[IMR 4350]*
<<locked>>
97%
44106
71%
**83
94%
IMR 4451 Enduron
<<locked>>
97%
52040
83%
**82
96%
IMR 4831
<<locked>>
97%
36666
59%
**11
96%
IMR 4895 👍
<<locked>>
93%
55419
89%
**77
100%
IMR 8208 XBR
<<locked>>
89%
55637
89%
**18
100%
Lovex D073.4
<<locked>>
84%
55840
90%
**98
100%
Lovex D073.5
<<locked>>
85%
55521
89%
**05
100%
Lovex D073.6
<<locked>>
92%
55999
90%
**41
100%
Lovex S060
<<locked>>
91%
55767
89%
**85
100%
Lovex S062
<<locked>>
95%
55883
90%
**34
100%
Lovex S065
<<locked>>
97%
48153
77%
**36
97%
Lovex S070
<<locked>>
97%
45411
73%
**13
95%
Norma 201
<<locked>>
92%
55738
89%
**18
100%
Norma 202
<<locked>>
91%
55550
89%
**11
100%
Norma 203B
<<locked>>
95%
55666
89%
**70
100%
[Norma 204]*
<<locked>>
97%
44440
71%
**16
92%
Norma URP
<<locked>>
97%
42917
69%
**33
97%
Ramshot Big Game 👍
<<locked>>
95%
56043
90%
**90
100%
Ramshot Hunter
<<locked>>
97%
42351
68%
**20
95%
Ramshot TAC
<<locked>>
89%
55724
89%
**31
99%
Ramshot Wild Boar
<<locked>>
90%
55709
89%
**57
100%
Ramshot X-Terminator
<<locked>>
87%
55332
89%
**02
100%
ReloadSwiss RS 40
<<locked>>
85%
55347
89%
**05
100%
ReloadSwiss RS 50
<<locked>>
96%
56115
90%
**48
98%
ReloadSwiss RS 52 👍
<<locked>>
95%
55419
89%
**93
100%
ReloadSwiss RS 60
<<locked>>
97%
47630
76%
**57
100%
ReloadSwiss RS 62
<<locked>>
97%
42134
68%
**49
97%
ReloadSwiss RS 70
<<locked>>
97%
43163
69%
**56
96%
Rottweil R 901
<<locked>>
89%
55071
88%
**79
100%
Rottweil R 902
<<locked>>
93%
55361
89%
**05
100%
Rottweil R 903
<<locked>>
97%
52141
84%
**21
100%
Rottweil R 907
<<locked>>
97%
50328
81%
**52
96%
SNPE Vectan SP 11 👍
<<locked>>
97%
54360
87%
**77
100%
SNPE Vectan SP 7
<<locked>>
90%
55999
90%
**38
99%
SNPE Vectan SP 9
<<locked>>
92%
56014
90%
**54
100%
SNPE Vectan Tubal 3000
<<locked>>
91%
55956
90%
**43
100%
SNPE Vectan Tubal 5000
<<locked>>
97%
55985
90%
**46
100%
SNPE Vectan Tubal 7000
<<locked>>
97%
48153
77%
**90
96%
Shooters World Long Rifle
<<locked>>
97%
48153
77%
**36
97%
Shooters World Match Rifle
<<locked>>
92%
55999
90%
**41
100%
Shooters World Precision
<<locked>>
95%
55883
90%
**34
100%
Shooters World Tactical Rifle
<<locked>>
84%
55854
90%
**88
100%
Somchem S321
<<locked>>
87%
55883
90%
**38
100%
Somchem S335
<<locked>>
91%
55492
89%
**49
100%
Somchem S341
<<locked>>
91%
56130
90%
**41
100%
Somchem S355
<<locked>>
97%
53156
85%
**21
100%
Somchem S365
<<locked>>
97%
38000
61%
**87
99%
Vihtavuori N130
<<locked>>
87%
55347
89%
**10
100%
Vihtavuori N133
<<locked>>
93%
56028
90%
**36
100%
Vihtavuori N135
<<locked>>
97%
50763
81%
**29
100%
Vihtavuori N140
<<locked>>
94%
55680
89%
**92
100%
Vihtavuori N150
<<locked>>
97%
44512
71%
**77
100%
Vihtavuori N160
<<locked>>
97%
47253
76%
**56
98%
Vihtavuori N530
<<locked>>
88%
55767
89%
**28
100%
Vihtavuori N540
<<locked>>
94%
56028
90%
**25
100%
Vihtavuori N550
<<locked>>
97%
47340
76%
**95
98%
Vihtavuori N555
<<locked>>
97%
31720
51%
**69
95%
Winchester 6.5 StaBALL
<<locked>>
97%
45759
73%
**20
99%
Winchester 748
<<locked>>
87%
56130
90%
**67
100%
Winchester 760
<<locked>>
97%
50560
81%
**48
97%
Winchester StaBALL Match
<<locked>>
85%
55376
89%
**57
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
40959
66%
**31
98%
ADI AR 2208
<<locked>>
81%
34693
56%
**96
96%
Accurate 2015
<<locked>>
81%
46296
74%
**34
100%
Accurate 2200
<<locked>>
81%
43033
69%
**31
97%
Accurate 2230
<<locked>>
81%
48675
78%
**13
100%
Accurate 2460
<<locked>>
81%
48544
78%
**16
100%
Accurate 2495
<<locked>>
81%
41292
66%
**31
100%
Accurate 2520
<<locked>>
81%
41756
67%
**54
100%
[Accurate 2700]*
<<locked>>
82%
34751
56%
**47
90%
Accurate 4064
<<locked>>
81%
34751
56%
**33
100%
[Accurate 4350]*
<<locked>>
81%
24874
40%
**55
90%
Alliant AR-Comp
<<locked>>
81%
42221
68%
**31
100%
Alliant Reloder- TS 15.5
<<locked>>
81%
33910
54%
**16
97%
Alliant Reloder-10x
<<locked>>
81%
50299
81%
**90
100%
Alliant Reloder-15
<<locked>>
81%
36637
59%
**72
97%
[Alliant Reloder-16]*
<<locked>>
81%
26658
43%
**69
90%
Alliant Reloder-17
<<locked>>
81%
29283
47%
**80
95%
[Alliant Reloder-23]*
<<locked>>
89%
24134
39%
**29
90%
[Alliant Reloder-26]*
<<locked>>
94%
29660
48%
**19
90%
Baschieri & Pellagri 106
<<locked>>
81%
51735
83%
**70
100%
Baschieri & Pellagri 107
<<locked>>
81%
39421
63%
**24
97%
Hodgdon BL-C2
<<locked>>
81%
41771
67%
**74
99%
Hodgdon Benchmark
<<locked>>
81%
45005
72%
**28
100%
Hodgdon CFE223
<<locked>>
81%
34693
56%
**65
95%
Hodgdon H322
<<locked>>
81%
45339
73%
**70
100%
[Hodgdon H380]*
<<locked>>
81%
34229
55%
**16
94%
[Hodgdon H414]*
<<locked>>
83%
32387
52%
**10
90%
[Hodgdon H4350]*
<<locked>>
90%
34519
55%
**00
90%
[Hodgdon Hybrid 100V]*
<<locked>>
81%
24207
39%
**93
91%
[Hodgdon LVR]*
<<locked>>
81%
28572
46%
**18
91%
[Hodgdon Superperformance]*
<<locked>>
89%
35636
57%
**85
90%
Hodgdon VARGET
<<locked>>
81%
34548
55%
**93
96%
IMR 3031
<<locked>>
81%
37043
59%
**82
100%
IMR 4064
<<locked>>
81%
34055
55%
**77
96%
[IMR 4166 Enduron]*
<<locked>>
81%
34534
55%
**47
91%
IMR 4198
<<locked>>
81%
50778
81%
**57
100%
[IMR 4350]*
<<locked>>
88%
34214
55%
**93
90%
[IMR 4451 Enduron]*
<<locked>>
81%
32576
52%
**37
90%
[IMR 4831]*
<<locked>>
84%
25063
40%
**39
90%
IMR 4895
<<locked>>
81%
37550
60%
**98
98%
IMR 8208 XBR
<<locked>>
81%
43033
69%
**38
99%
Lovex D073.4
<<locked>>
81%
50633
81%
**33
100%
Lovex D073.5
<<locked>>
81%
47979
77%
**10
100%
Lovex D073.6
<<locked>>
81%
39073
63%
**08
100%
Lovex S060
<<locked>>
81%
41394
66%
**75
98%
Lovex S062
<<locked>>
81%
36114
58%
**29
98%
[Lovex S065]*
<<locked>>
81%
29704
48%
**88
91%
[Lovex S070]*
<<locked>>
85%
31285
50%
**44
90%
Norma 201
<<locked>>
81%
40001
64%
**88
99%
Norma 202
<<locked>>
81%
40059
64%
**98
100%
Norma 203B
<<locked>>
81%
36158
58%
**62
97%
[Norma 204]*
<<locked>>
93%
39015
63%
**18
90%
[Norma URP]*
<<locked>>
81%
26165
42%
**69
90%
Ramshot Big Game
<<locked>>
81%
35346
57%
**69
97%
[Ramshot Hunter]*
<<locked>>
87%
30821
49%
**83
90%
Ramshot TAC
<<locked>>
81%
42757
69%
**38
96%
Ramshot Wild Boar
<<locked>>
81%
42047
67%
**60
98%
Ramshot X-Terminator
<<locked>>
81%
46340
74%
**74
99%
ReloadSwiss RS 40
<<locked>>
81%
48037
77%
**06
100%
[ReloadSwiss RS 50]*
<<locked>>
81%
35041
56%
**03
92%
ReloadSwiss RS 52
<<locked>>
81%
34214
55%
**69
98%
ReloadSwiss RS 60
<<locked>>
81%
28572
46%
**60
95%
[ReloadSwiss RS 62]*
<<locked>>
83%
26687
43%
**08
90%
[ReloadSwiss RS 70]*
<<locked>>
85%
29936
48%
**67
90%
Rottweil R 901
<<locked>>
81%
43903
70%
**31
100%
Rottweil R 902
<<locked>>
81%
38101
61%
**49
99%
Rottweil R 903
<<locked>>
81%
31198
50%
**67
96%
[Rottweil R 907]*
<<locked>>
84%
34084
55%
**70
90%
SNPE Vectan SP 11
<<locked>>
81%
32387
52%
**10
96%
SNPE Vectan SP 7
<<locked>>
81%
40712
65%
**11
96%
SNPE Vectan SP 9
<<locked>>
81%
39189
63%
**98
98%
SNPE Vectan Tubal 3000
<<locked>>
81%
41640
67%
**56
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
34127
55%
**41
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
84%
31212
50%
**05
90%
[Shooters World Long Rifle]*
<<locked>>
81%
29704
48%
**88
91%
Shooters World Match Rifle
<<locked>>
81%
39073
63%
**08
100%
Shooters World Precision
<<locked>>
81%
36114
58%
**29
98%
Shooters World Tactical Rifle
<<locked>>
81%
51300
82%
**29
100%
Somchem S321
<<locked>>
81%
45948
74%
**03
100%
Somchem S335
<<locked>>
81%
41176
66%
**56
100%
Somchem S341
<<locked>>
81%
40263
65%
**11
98%
Somchem S355
<<locked>>
81%
32401
52%
**80
96%
[Somchem S365]*
<<locked>>
81%
23395
38%
**19
93%
Vihtavuori N130
<<locked>>
81%
46644
75%
**01
100%
Vihtavuori N133
<<locked>>
81%
39291
63%
**16
100%
Vihtavuori N135
<<locked>>
81%
31531
51%
**37
100%
Vihtavuori N140
<<locked>>
81%
37550
60%
**39
100%
Vihtavuori N150
<<locked>>
81%
27557
44%
**55
96%
[Vihtavuori N160]*
<<locked>>
81%
28456
46%
**98
92%
Vihtavuori N530
<<locked>>
81%
45426
73%
**83
100%
Vihtavuori N540
<<locked>>
81%
36898
59%
**52
100%
[Vihtavuori N550]*
<<locked>>
81%
28398
46%
**28
92%
[Vihtavuori N555]*
<<locked>>
88%
24482
39%
**69
90%
[Winchester 6.5 StaBALL]*
<<locked>>
81%
27514
44%
**52
94%
Winchester 748
<<locked>>
81%
45266
73%
**23
100%
[Winchester 760]*
<<locked>>
83%
32387
52%
**10
90%
Winchester StaBALL Match
<<locked>>
81%
47834
77%
**56
100%

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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