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Load data for .375 H.& H. Mag. + .376 | 250gr | H&N RN HS

Recommended Powder(s): Alliant Reloder-15, Hodgdon BL-C2, IMR 4895, Ramshot Big Game, ReloadSwiss RS 52

.375 H.& H. Mag. + .376 | 250gr | H&N RN HS

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.376 | 250gr | H&N RN HS
Bullet Weight:
250gr | 16.2g
Bullet Diameter:
0.376" | 9.55mm
Bullet Length:
0.951" | 24.2mm
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:
0.264" | 6.7mm
Shank Seated Depth:
0.264" | 6.7mm
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_B7493_C543
Last updated:
2025-01-01

Load data for 192 loads in caliber .375 H.& H. Mag. with .376 | 250gr | H&N RN HS bullet and 96 powders such as Alliant Reloder-15, Hodgdon BL-C2, IMR 4895, Ramshot Big Game, ReloadSwiss RS 52. 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>>
92%
55854
90%
**82
100%
ADI AR 2208
<<locked>>
97%
54940
88%
**49
99%
Accurate 2015
<<locked>>
88%
55535
89%
**77
100%
Accurate 2200
<<locked>>
90%
55535
89%
**40
99%
Accurate 2230
<<locked>>
86%
55564
89%
**30
100%
Accurate 2460
<<locked>>
86%
55999
90%
**36
100%
Accurate 2495
<<locked>>
92%
56072
90%
**53
100%
Accurate 2520
<<locked>>
90%
55448
89%
**62
100%
Accurate 2700
<<locked>>
97%
53780
86%
**71
95%
Accurate 4064
<<locked>>
97%
54186
87%
**49
100%
Accurate 4350
<<locked>>
97%
40466
65%
**89
96%
Alliant AR-Comp
<<locked>>
90%
55854
90%
**26
100%
Alliant Reloder- TS 15.5
<<locked>>
97%
54128
87%
**66
100%
Alliant Reloder-10x
<<locked>>
86%
56043
90%
**87
100%
Alliant Reloder-15 👍
<<locked>>
95%
56101
90%
**02
99%
Alliant Reloder-16
<<locked>>
97%
41698
67%
**21
97%
Alliant Reloder-17
<<locked>>
97%
47979
77%
**69
99%
[Alliant Reloder-23]*
<<locked>>
97%
28456
46%
**23
92%
Baschieri & Pellagri 106
<<locked>>
84%
55970
90%
**41
100%
Baschieri & Pellagri 107
<<locked>>
92%
55535
89%
**92
99%
Hodgdon BL-C2 👍
<<locked>>
90%
56028
90%
**05
100%
Hodgdon Benchmark
<<locked>>
89%
55999
90%
**03
100%
Hodgdon CFE223
<<locked>>
95%
55651
89%
**28
99%
Hodgdon H322
<<locked>>
88%
55506
89%
**26
100%
Hodgdon H335
<<locked>>
83%
55883
90%
**46
100%
Hodgdon H380
<<locked>>
97%
55883
90%
**92
99%
Hodgdon H414
<<locked>>
97%
49574
79%
**43
95%
Hodgdon Hybrid 100V
<<locked>>
97%
37318
60%
**93
97%
Hodgdon LVR
<<locked>>
97%
45745
73%
**71
97%
[Hodgdon Superperformance]*
<<locked>>
97%
45730
73%
**84
93%
Hodgdon VARGET
<<locked>>
97%
54346
87%
**43
99%
IMR 3031
<<locked>>
95%
55564
89%
**72
100%
IMR 4064
<<locked>>
97%
53388
86%
**20
99%
IMR 4166 Enduron
<<locked>>
97%
53577
86%
**87
96%
IMR 4198
<<locked>>
85%
56072
90%
**48
100%
[IMR 4350]*
<<locked>>
97%
42467
68%
**46
92%
IMR 4451 Enduron
<<locked>>
97%
50937
82%
**77
96%
[IMR 4831]*
<<locked>>
97%
34577
55%
**48
94%
IMR 4895 👍
<<locked>>
95%
56072
90%
**18
100%
IMR 8208 XBR
<<locked>>
90%
55463
89%
**40
100%
Lovex D073.4
<<locked>>
85%
55738
89%
**23
100%
Lovex D073.5
<<locked>>
87%
55999
90%
**36
100%
Lovex D073.6
<<locked>>
92%
55448
89%
**62
100%
Lovex S060
<<locked>>
92%
55680
89%
**10
100%
Lovex S062
<<locked>>
96%
56043
90%
**66
100%
Lovex S065
<<locked>>
97%
46224
74%
**12
96%
[Lovex S070]*
<<locked>>
97%
43468
70%
**79
94%
Norma 201
<<locked>>
93%
55840
90%
**46
100%
Norma 202
<<locked>>
93%
55898
90%
**49
100%
Norma 203B
<<locked>>
96%
55738
89%
**02
100%
Norma URP
<<locked>>
97%
41249
66%
**02
96%
Ramshot Big Game 👍
<<locked>>
95%
55883
90%
**12
100%
[Ramshot Hunter]*
<<locked>>
97%
40683
65%
**89
94%
Ramshot TAC
<<locked>>
90%
55782
89%
**53
98%
Ramshot Wild Boar
<<locked>>
90%
55463
89%
**76
100%
Ramshot X-Terminator
<<locked>>
87%
55666
89%
**26
100%
ReloadSwiss RS 40
<<locked>>
86%
55622
89%
**30
100%
ReloadSwiss RS 50
<<locked>>
96%
55999
90%
**66
97%
ReloadSwiss RS 52 👍
<<locked>>
96%
55825
90%
**25
100%
ReloadSwiss RS 60
<<locked>>
97%
46615
75%
**59
100%
ReloadSwiss RS 62
<<locked>>
97%
40408
65%
**12
96%
ReloadSwiss RS 70
<<locked>>
97%
41872
67%
**35
95%
Rottweil R 901
<<locked>>
91%
56072
90%
**30
100%
Rottweil R 902
<<locked>>
95%
55796
89%
**36
100%
Rottweil R 903
<<locked>>
97%
50125
80%
**10
100%
[Rottweil R 907]*
<<locked>>
97%
48544
78%
**38
94%
SNPE Vectan SP 11
<<locked>>
97%
52895
85%
**82
99%
SNPE Vectan SP 7
<<locked>>
91%
56043
90%
**59
99%
SNPE Vectan SP 9
<<locked>>
93%
55927
90%
**79
100%
SNPE Vectan Tubal 3000
<<locked>>
91%
55753
89%
**64
100%
SNPE Vectan Tubal 5000
<<locked>>
97%
54317
87%
**44
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
97%
46354
74%
**62
94%
Shooters World Long Rifle
<<locked>>
97%
46224
74%
**12
96%
Shooters World Match Rifle
<<locked>>
92%
55448
89%
**62
100%
Shooters World Precision
<<locked>>
96%
56043
90%
**66
100%
Shooters World Tactical Rifle
<<locked>>
85%
56014
90%
**17
100%
Somchem S321
<<locked>>
88%
56072
90%
**72
100%
Somchem S335
<<locked>>
92%
55970
90%
**80
100%
Somchem S341
<<locked>>
91%
55985
90%
**62
100%
Somchem S355
<<locked>>
97%
51256
82%
**13
100%
Somchem S365
<<locked>>
97%
36172
58%
**39
98%
Vihtavuori N120
<<locked>>
83%
55912
90%
**75
100%
Vihtavuori N130
<<locked>>
88%
56057
90%
**44
100%
Vihtavuori N133
<<locked>>
94%
55767
89%
**57
100%
Vihtavuori N135
<<locked>>
97%
48457
78%
**18
100%
Vihtavuori N140
<<locked>>
95%
55811
89%
**20
100%
Vihtavuori N150
<<locked>>
97%
42728
69%
**46
99%
Vihtavuori N160
<<locked>>
97%
45658
73%
**41
97%
Vihtavuori N530
<<locked>>
88%
55651
89%
**53
100%
Vihtavuori N540
<<locked>>
95%
56086
90%
**53
100%
Vihtavuori N550
<<locked>>
97%
45774
73%
**77
97%
[Vihtavuori N555]*
<<locked>>
97%
29733
48%
**85
92%
Winchester 6.5 StaBALL
<<locked>>
97%
44875
72%
**98
99%
Winchester 748
<<locked>>
88%
55869
90%
**95
100%
Winchester 760
<<locked>>
97%
49574
79%
**43
95%
Winchester StaBALL Match
<<locked>>
86%
56115
90%
**92
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
38667
62%
**87
97%
[ADI AR 2208]*
<<locked>>
81%
32924
53%
**36
94%
Accurate 2015
<<locked>>
81%
43845
70%
**13
100%
Accurate 2200
<<locked>>
81%
41307
66%
**97
96%
Accurate 2230
<<locked>>
81%
46209
74%
**89
99%
Accurate 2460
<<locked>>
81%
46064
74%
**92
100%
Accurate 2495
<<locked>>
81%
37246
60%
**67
100%
Accurate 2520
<<locked>>
81%
39175
63%
**07
99%
[Accurate 2700]*
<<locked>>
86%
37188
60%
**75
90%
Accurate 4064
<<locked>>
81%
31038
50%
**46
99%
[Accurate 4350]*
<<locked>>
86%
26977
43%
**77
90%
Alliant AR-Comp
<<locked>>
81%
39987
64%
**00
100%
Alliant Reloder- TS 15.5
<<locked>>
81%
31531
51%
**46
96%
Alliant Reloder-10x
<<locked>>
81%
47964
77%
**79
100%
Alliant Reloder-15
<<locked>>
81%
34316
55%
**08
95%
[Alliant Reloder-16]*
<<locked>>
86%
28819
46%
**93
90%
[Alliant Reloder-17]*
<<locked>>
81%
27238
44%
**80
92%
[Alliant Reloder-23]*
<<locked>>
94%
25991
42%
**41
90%
Baschieri & Pellagri 106
<<locked>>
81%
50981
82%
**72
100%
Baschieri & Pellagri 107
<<locked>>
81%
37985
61%
**84
95%
Hodgdon BL-C2
<<locked>>
81%
39494
63%
**30
98%
Hodgdon Benchmark
<<locked>>
81%
43265
69%
**10
99%
[Hodgdon CFE223]*
<<locked>>
81%
32967
53%
**08
93%
Hodgdon H322
<<locked>>
81%
43700
70%
**52
100%
Hodgdon H335
<<locked>>
81%
51169
82%
**80
100%
[Hodgdon H380]*
<<locked>>
81%
32039
51%
**46
92%
[Hodgdon H414]*
<<locked>>
87%
35012
56%
**51
90%
[Hodgdon Hybrid 100V]*
<<locked>>
84%
24685
40%
**65
90%
[Hodgdon LVR]*
<<locked>>
84%
29689
48%
**13
90%
[Hodgdon Superperformance]*
<<locked>>
92%
38174
61%
**23
90%
[Hodgdon VARGET]*
<<locked>>
81%
32576
52%
**33
94%
IMR 3031
<<locked>>
81%
34722
56%
**38
100%
[IMR 4064]*
<<locked>>
81%
32082
51%
**16
94%
[IMR 4166 Enduron]*
<<locked>>
83%
34940
56%
**39
90%
IMR 4198
<<locked>>
81%
49226
79%
**52
100%
[IMR 4350]*
<<locked>>
92%
36941
59%
**34
90%
[IMR 4451 Enduron]*
<<locked>>
85%
34998
56%
**72
90%
[IMR 4831]*
<<locked>>
90%
27122
43%
**60
90%
IMR 4895
<<locked>>
81%
35099
56%
**38
96%
IMR 8208 XBR
<<locked>>
81%
40959
66%
**07
99%
Lovex D073.4
<<locked>>
81%
48138
77%
**15
100%
Lovex D073.5
<<locked>>
81%
45498
73%
**89
100%
Lovex D073.6
<<locked>>
81%
36564
59%
**54
99%
Lovex S060
<<locked>>
81%
39740
64%
**41
97%
Lovex S062
<<locked>>
81%
33808
54%
**75
97%
[Lovex S065]*
<<locked>>
84%
30589
49%
**80
90%
[Lovex S070]*
<<locked>>
90%
34026
55%
**82
90%
Norma 201
<<locked>>
81%
37420
60%
**38
98%
Norma 202
<<locked>>
81%
37811
61%
**57
100%
Norma 203B
<<locked>>
81%
33620
54%
**95
95%
[Norma URP]*
<<locked>>
86%
28094
45%
**87
90%
Ramshot Big Game
<<locked>>
81%
33344
53%
**11
95%
[Ramshot Hunter]*
<<locked>>
91%
32895
53%
**02
90%
Ramshot TAC
<<locked>>
81%
41089
66%
**07
95%
Ramshot Wild Boar
<<locked>>
81%
40030
64%
**16
97%
Ramshot X-Terminator
<<locked>>
81%
44715
72%
**56
98%
ReloadSwiss RS 40
<<locked>>
81%
46485
75%
**95
100%
[ReloadSwiss RS 50]*
<<locked>>
81%
32808
53%
**36
90%
ReloadSwiss RS 52
<<locked>>
81%
32126
52%
**02
97%
[ReloadSwiss RS 60]*
<<locked>>
81%
26513
43%
**60
92%
[ReloadSwiss RS 62]*
<<locked>>
87%
28718
46%
**26
90%
[ReloadSwiss RS 70]*
<<locked>>
89%
32024
51%
**95
90%
Rottweil R 901
<<locked>>
81%
40698
65%
**87
100%
Rottweil R 902
<<locked>>
81%
35346
57%
**88
97%
[Rottweil R 903]*
<<locked>>
81%
28500
46%
**74
94%
[Rottweil R 907]*
<<locked>>
88%
36434
58%
**05
90%
[SNPE Vectan SP 11]*
<<locked>>
81%
30385
49%
**33
93%
SNPE Vectan SP 7
<<locked>>
81%
38479
62%
**61
95%
SNPE Vectan SP 9
<<locked>>
81%
37391
60%
**54
97%
SNPE Vectan Tubal 3000
<<locked>>
81%
39595
63%
**18
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
32329
52%
**83
99%
[SNPE Vectan Tubal 7000]*
<<locked>>
88%
33692
54%
**29
90%
[Shooters World Long Rifle]*
<<locked>>
84%
30589
49%
**80
90%
Shooters World Match Rifle
<<locked>>
81%
36564
59%
**54
99%
Shooters World Precision
<<locked>>
81%
33808
54%
**75
97%
Shooters World Tactical Rifle
<<locked>>
81%
49313
79%
**15
100%
Somchem S321
<<locked>>
81%
44135
71%
**85
99%
Somchem S335
<<locked>>
81%
38870
62%
**15
100%
Somchem S341
<<locked>>
81%
38638
62%
**74
97%
[Somchem S355]*
<<locked>>
81%
29834
48%
**90
94%
[Somchem S365]*
<<locked>>
83%
22771
37%
**46
90%
Vihtavuori N120
<<locked>>
81%
52518
84%
**30
100%
Vihtavuori N130
<<locked>>
81%
44440
71%
**80
100%
Vihtavuori N133
<<locked>>
81%
37231
60%
**72
100%
Vihtavuori N135
<<locked>>
81%
28993
46%
**57
99%
Vihtavuori N140
<<locked>>
81%
35346
57%
**85
99%
[Vihtavuori N150]*
<<locked>>
81%
25092
40%
**52
94%
[Vihtavuori N160]*
<<locked>>
83%
28036
45%
**54
90%
Vihtavuori N530
<<locked>>
81%
43366
70%
**62
99%
Vihtavuori N540
<<locked>>
81%
34882
56%
**02
99%
[Vihtavuori N550]*
<<locked>>
83%
28079
45%
**87
90%
[Vihtavuori N555]*
<<locked>>
94%
26745
43%
**00
90%
[Winchester 6.5 StaBALL]*
<<locked>>
81%
25628
41%
**49
91%
Winchester 748
<<locked>>
81%
43613
70%
**02
100%
[Winchester 760]*
<<locked>>
87%
35012
56%
**51
90%
Winchester StaBALL Match
<<locked>>
81%
46383
74%
**38
99%

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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