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Load data for .375 Fl N.E. 2 1/2 + .375 | 300gr | Hornady InterLock RN

Recommended Powder(s): none

.375 Fl N.E. 2 1/2 + .375 | 300gr | Hornady InterLock RN

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.375 | 300gr | Hornady InterLock RN
Manufacturer SKU:
3720
Bullet Weight:
300gr | 19.4g
Bullet Diameter:
0.375" | 9.52mm
Bullet Length:
1.184" | 30.1mm
Caliber:
.375 Fl N.E. 2 1/2 load data
Case Length (l3):
2.500" | 63.5mm
Cartridge Length (C.O.L.):
3.201" | 81.3mm
Seated Depth:
0.483" | 12.3mm
Shank Seated Depth:
0.483" | 12.3mm
Case Capacity:
68.0 Grains of Water | 4.42 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
31908 psi | 2200 bar
LID:
LID_B2813_C540
Last updated:
2025-01-01

Load data for 16 loads in caliber .375 Fl N.E. 2 1/2 with .375 | 300gr | Hornady InterLock RN bullet and 8 powders such as none. 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".

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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
Accurate 4064
<<locked>>
86%
28645
90%
**09
97%
[Alliant Reloder- TS 15.5]*
<<locked>>
85%
28601
90%
**86
92%
[ReloadSwiss RS 52]*
<<locked>>
85%
28471
89%
**09
93%
[Rottweil R 903]*
<<locked>>
88%
28137
88%
**90
92%
SNPE Vectan Tubal 5000
<<locked>>
84%
28500
89%
**08
97%
[Somchem S355]*
<<locked>>
87%
28645
90%
**80
92%
Vihtavuori N135
<<locked>>
88%
28703
90%
**80
98%
[Vihtavuori N150]*
<<locked>>
92%
28543
89%
**64
94%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
Accurate 4064
<<locked>>
81%
24395
76%
**08
95%
[Alliant Reloder- TS 15.5]*
<<locked>>
81%
25135
79%
**98
90%
[ReloadSwiss RS 52]*
<<locked>>
81%
25541
80%
**34
91%
[Rottweil R 903]*
<<locked>>
85%
25164
79%
**18
90%
SNPE Vectan Tubal 5000
<<locked>>
81%
26223
82%
**62
96%
[Somchem S355]*
<<locked>>
84%
26107
82%
**18
90%
Vihtavuori N135
<<locked>>
81%
22945
72%
**39
96%
[Vihtavuori N150]*
<<locked>>
85%
23047
72%
**26
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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