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

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Recommended Powder(s):

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

Load Specifications

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 Win.
Case Length (l3):
2.020" | 51.3mm
Cartridge Length (C.O.L.):
2.522" | 64.0mm
Seated Depth:
0.449" | 11.4mm
Shank Seated Depth:
0.449" | 11.4mm
Case Capacity:
48.0 Grains of Water | 3.12 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
55114 psi | 3800 bar
LID:
LID_B7493_C571

>> Use the Personalized Load Calculator further below to adjust input parameters. 

Load data for 46 loads in caliber .375 Win. with .376 | 250gr | H&N RN HS bullet and 23 powder(s). 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".

    • A load must fulfill certain criteria to be listed in the default view below - see here.

    • Our load data might deviate from other sources - see the most common reasons here

    • All loads are based on the bullet and case dimensions shown under "Load Specifications" - see here what to do if you deviate.

    • You can set your specifications in the "Personalized Load Calculator".

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    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 2205
<<locked>>
89%
48530
88%
**72
100%
ADI AR 2207
<<locked>>
96%
36289
66%
**85
100%
Accurate 1680
<<locked>>
94%
48370
88%
**80
97%
[Accurate 2015]*
<<locked>>
97%
25831
47%
**01
92%
Accurate 5744 👍
<<locked>>
87%
48907
89%
**67
99%
Accurate No. 11 FS
<<locked>>
87%
49023
89%
**47
100%
[Alliant Reloder-10x]*
<<locked>>
96%
29051
53%
**77
94%
Alliant Reloder-7
<<locked>>
97%
39653
72%
**95
98%
[Baschieri & Pellagri 106]*
<<locked>>
97%
36216
66%
**00
93%
[Hodgdon H4198]*
<<locked>>
96%
39247
71%
**26
93%
IMR 4198
<<locked>>
96%
33939
62%
**93
97%
IMR 4227 👍
<<locked>>
97%
49284
89%
**60
100%
Lovex D060 👍
<<locked>>
89%
48907
89%
**67
99%
Lovex D063
<<locked>>
86%
49110
89%
**64
99%
Lovex S053
<<locked>>
96%
45397
82%
**11
100%
Norma 200
<<locked>>
97%
32634
59%
**46
97%
ReloadSwiss RS 36 👍
<<locked>>
97%
47326
86%
**80
100%
SNPE Vectan BA6 1/2
<<locked>>
96%
42177
77%
**64
100%
Shooters World Blackout
<<locked>>
86%
49110
89%
**64
99%
Shooters World Buffalo Rifle 👍
<<locked>>
89%
48907
89%
**67
99%
Vihtavuori N110
<<locked>>
92%
48283
88%
**88
100%
Vihtavuori N120
<<locked>>
96%
34142
62%
**19
100%
[Vihtavuori N130]*
<<locked>>
96%
28166
51%
**04
93%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2205
<<locked>>
81%
37782
69%
**41
100%
ADI AR 2207
<<locked>>
81%
22118
40%
**06
96%
[Accurate 1680]*
<<locked>>
81%
31067
56%
**24
92%
[Accurate 2015]*
<<locked>>
94%
23351
42%
**45
90%
Accurate 5744
<<locked>>
81%
40669
74%
**55
98%
Accurate No. 11 FS
<<locked>>
81%
40712
74%
**49
100%
[Alliant Reloder-10x]*
<<locked>>
87%
21654
39%
**06
90%
[Alliant Reloder-7]*
<<locked>>
81%
23714
43%
**03
92%
[Baschieri & Pellagri 106]*
<<locked>>
91%
29675
54%
**81
90%
[Hodgdon H4198]*
<<locked>>
89%
31604
57%
**01
90%
[IMR 4198]*
<<locked>>
82%
22568
41%
**47
91%
IMR 4227
<<locked>>
81%
30153
55%
**85
97%
Lovex D060
<<locked>>
81%
38174
69%
**19
98%
Lovex D063
<<locked>>
81%
42076
76%
**72
99%
Lovex S053
<<locked>>
81%
28863
52%
**72
99%
[Norma 200]*
<<locked>>
82%
19783
36%
**67
90%
ReloadSwiss RS 36
<<locked>>
81%
28485
52%
**95
97%
SNPE Vectan BA6 1/2
<<locked>>
81%
27630
50%
**67
100%
Shooters World Blackout
<<locked>>
81%
42076
76%
**72
99%
Shooters World Buffalo Rifle
<<locked>>
81%
38174
69%
**19
98%
Vihtavuori N110
<<locked>>
81%
34345
62%
**21
100%
Vihtavuori N120
<<locked>>
81%
21016
38%
**50
96%
[Vihtavuori N130]*
<<locked>>
89%
22539
41%
**77
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.

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