Load data for .375 Fl. Mag. N.E. + .375 | 250gr | NorthFork Bonded Core

Recommended Powder(s): ReloadSwiss RS 52, ReloadSwiss RS 60, Somchem S355

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.375 \| 250gr \| NorthFork Bonded Core
Bullet Weight:	250gr \| 16.2g
Bullet Diameter:	0.375" \| 9.52mm
Bullet Length:	1.183" \| 30.0mm
Caliber:	.375 Fl. Mag. N.E. load data
Case Length (l3):	2.940" \| 74.7mm
Cartridge Length (C.O.L.):	3.743" \| 95.1mm
Seated Depth:	0.380" \| 9.7mm
Shank Seated Depth:	0.380" \| 9.7mm
Case Capacity:	94.1 Grains of Water \| 6.11 cm³
Primer Size:	Large Rifle Magnum (LRM)
Max. allowed Pressure:	47137 psi \| 3250 bar
LID:	LID_B3928_C541
Last updated:	2025-01-01

Load data for 120 loads in caliber .375 Fl. Mag. N.E. with .375 | 250gr | NorthFork Bonded Core bullet and 60 powders such as ReloadSwiss RS 52, ReloadSwiss RS 60, Somchem S355. 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 "powder criteria to fulfill to be listed".

Our load data might deviate from other sources - see the "most common reasons for deviations".

All loads are based on the bullet and case dimensions shown under "Load Specifications" - see "reloading suggestions" if you deviate.

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

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Min z (%)
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Max FR*
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Barrel Length (cm)
Safety Buffer (%)
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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 2208	<<locked>>	88%	42351	90%	**93	97%
[Accurate 2700]*	<<locked>>	89%	41974	89%	**28	91%
Accurate 4064	<<locked>>	88%	42322	90%	**26	100%
Accurate 4350	<<locked>>	97%	41495	88%	**69	96%
Alliant Reloder- TS 15.5	<<locked>>	88%	41901	89%	**23	98%
Alliant Reloder-15	<<locked>>	86%	41843	89%	**26	97%
Alliant Reloder-16	<<locked>>	97%	42250	90%	**82	96%
Alliant Reloder-17	<<locked>>	93%	42380	90%	**18	98%
[Alliant Reloder-23]*	<<locked>>	97%	30081	64%	**20	92%
Baschieri & Pellagri 107	<<locked>>	83%	42206	90%	**33	96%
Hodgdon CFE223	<<locked>>	87%	41887	89%	**62	96%
Hodgdon H380	<<locked>>	88%	41959	89%	**13	95%
[Hodgdon H414]*	<<locked>>	92%	42105	89%	**62	93%
Hodgdon Hybrid 100V	<<locked>>	97%	38551	82%	**74	97%
Hodgdon LVR	<<locked>>	94%	42192	89%	**59	95%
Hodgdon VARGET	<<locked>>	88%	42235	90%	**93	97%
IMR 3031	<<locked>>	86%	42076	89%	**36	100%
IMR 4064	<<locked>>	89%	42337	90%	**90	97%
[IMR 4166 Enduron]*	<<locked>>	89%	42322	90%	**51	93%
[IMR 4350]*	<<locked>>	96%	42322	90%	**07	92%
[IMR 4451 Enduron]*	<<locked>>	90%	42366	90%	**80	92%
[IMR 4831]*	<<locked>>	97%	36056	76%	**41	94%
IMR 4895	<<locked>>	85%	42206	90%	**49	98%
Lovex D073.6	<<locked>>	84%	42192	90%	**20	100%
Lovex S062	<<locked>>	86%	42047	89%	**00	99%
[Lovex S065]*	<<locked>>	93%	41800	89%	**87	94%
[Lovex S070]*	<<locked>>	95%	41989	89%	**10	93%
Norma 201	<<locked>>	83%	42293	90%	**90	99%
Norma 202	<<locked>>	83%	41945	89%	**97	100%
Norma 203B	<<locked>>	87%	42264	90%	**33	97%
Norma URP	<<locked>>	97%	42322	90%	**79	96%
Ramshot Big Game	<<locked>>	87%	41814	89%	**46	97%
[Ramshot Hunter]*	<<locked>>	97%	41872	89%	**62	93%
[ReloadSwiss RS 50]*	<<locked>>	87%	42003	89%	**90	93%
ReloadSwiss RS 52 👍	<<locked>>	88%	41930	89%	**75	99%
ReloadSwiss RS 60 👍	<<locked>>	94%	42424	90%	**31	99%
ReloadSwiss RS 62	<<locked>>	97%	42047	89%	**98	96%
[ReloadSwiss RS 70]*	<<locked>>	96%	42235	90%	**92	94%
Rottweil R 902	<<locked>>	85%	42250	90%	**77	99%
Rottweil R 903	<<locked>>	91%	42250	90%	**39	98%
[Rottweil R 907]*	<<locked>>	92%	42177	89%	**74	92%
SNPE Vectan SP 11	<<locked>>	89%	41901	89%	**56	97%
SNPE Vectan SP 9	<<locked>>	84%	42192	90%	**10	97%
SNPE Vectan Tubal 5000	<<locked>>	88%	42322	90%	**31	100%
[SNPE Vectan Tubal 7000]*	<<locked>>	93%	41901	89%	**51	93%
[Shooters World Long Rifle]*	<<locked>>	93%	41800	89%	**87	94%
Shooters World Match Rifle	<<locked>>	84%	42192	90%	**20	100%
Shooters World Precision	<<locked>>	86%	42047	89%	**00	99%
Somchem S355 👍	<<locked>>	90%	42177	89%	**23	98%
Somchem S365	<<locked>>	97%	37507	80%	**23	98%
Vihtavuori N133	<<locked>>	84%	42395	90%	**21	100%
Vihtavuori N135	<<locked>>	92%	42424	90%	**93	100%
Vihtavuori N140	<<locked>>	85%	42351	90%	**77	100%
Vihtavuori N150	<<locked>>	95%	42206	90%	**03	99%
Vihtavuori N160	<<locked>>	94%	42351	90%	**39	96%
Vihtavuori N540	<<locked>>	86%	42337	90%	**07	100%
Vihtavuori N550	<<locked>>	94%	41974	89%	**72	96%
[Vihtavuori N555]*	<<locked>>	97%	31415	67%	**88	93%
Winchester 6.5 StaBALL	<<locked>>	94%	42018	89%	**07	98%
[Winchester 760]*	<<locked>>	92%	42105	89%	**62	93%

Max Load - Barrel Length: 23.60''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AR 2208]*	<<locked>>	81%	34142	72%	**23	94%
[Accurate 2700]*	<<locked>>	86%	39001	83%	**72	90%
Accurate 4064	<<locked>>	81%	33866	72%	**59	99%
[Accurate 4350]*	<<locked>>	85%	28036	59%	**64	90%
Alliant Reloder- TS 15.5	<<locked>>	81%	33011	70%	**39	96%
Alliant Reloder-15	<<locked>>	81%	35781	76%	**98	95%
[Alliant Reloder-16]*	<<locked>>	85%	29849	63%	**80	90%
[Alliant Reloder-17]*	<<locked>>	81%	28805	61%	**80	92%
[Alliant Reloder-23]*	<<locked>>	94%	27296	58%	**34	90%
Baschieri & Pellagri 107	<<locked>>	81%	39044	83%	**67	95%
[Hodgdon CFE223]*	<<locked>>	81%	34330	73%	**95	93%
[Hodgdon H380]*	<<locked>>	81%	33779	72%	**43	92%
[Hodgdon H414]*	<<locked>>	87%	36477	77%	**44	90%
[Hodgdon Hybrid 100V]*	<<locked>>	84%	25570	54%	**42	90%
[Hodgdon LVR]*	<<locked>>	84%	31169	66%	**03	90%
[Hodgdon VARGET]*	<<locked>>	81%	34040	72%	**23	94%
IMR 3031	<<locked>>	81%	36187	77%	**28	100%
[IMR 4064]*	<<locked>>	81%	33460	71%	**03	94%
[IMR 4166 Enduron]*	<<locked>>	83%	35998	76%	**23	90%
[IMR 4350]*	<<locked>>	93%	38798	82%	**31	90%
[IMR 4451 Enduron]*	<<locked>>	85%	36419	77%	**59	90%
[IMR 4831]*	<<locked>>	89%	28340	60%	**44	90%
IMR 4895	<<locked>>	81%	36666	78%	**31	96%
Lovex D073.6	<<locked>>	81%	38348	81%	**51	99%
Lovex S062	<<locked>>	81%	35447	75%	**65	97%
[Lovex S065]*	<<locked>>	84%	32271	68%	**80	90%
[Lovex S070]*	<<locked>>	89%	35288	75%	**65	90%
Norma 201	<<locked>>	81%	39320	83%	**31	98%
Norma 202	<<locked>>	81%	39392	84%	**44	100%
Norma 203B	<<locked>>	81%	35302	75%	**92	95%
[Norma URP]*	<<locked>>	85%	28950	61%	**67	90%
Ramshot Big Game	<<locked>>	81%	34722	74%	**95	95%
[Ramshot Hunter]*	<<locked>>	91%	34780	74%	**08	90%
[ReloadSwiss RS 50]*	<<locked>>	81%	34389	73%	**23	90%
ReloadSwiss RS 52	<<locked>>	81%	33649	71%	**95	97%
[ReloadSwiss RS 60]*	<<locked>>	81%	28108	60%	**60	92%
[ReloadSwiss RS 62]*	<<locked>>	87%	29776	63%	**16	90%
[ReloadSwiss RS 70]*	<<locked>>	90%	33765	72%	**95	90%
Rottweil R 902	<<locked>>	81%	37594	80%	**88	98%
[Rottweil R 903]*	<<locked>>	81%	30574	65%	**87	94%
[Rottweil R 907]*	<<locked>>	88%	38247	81%	**98	90%
[SNPE Vectan SP 11]*	<<locked>>	81%	31908	68%	**29	94%
SNPE Vectan SP 9	<<locked>>	81%	38493	82%	**41	96%
SNPE Vectan Tubal 5000	<<locked>>	81%	33663	71%	**70	99%
[SNPE Vectan Tubal 7000]*	<<locked>>	88%	35099	74%	**20	90%
[Shooters World Long Rifle]*	<<locked>>	84%	32271	68%	**80	90%
Shooters World Match Rifle	<<locked>>	81%	38348	81%	**51	99%
Shooters World Precision	<<locked>>	81%	35447	75%	**65	97%
Somchem S355	<<locked>>	81%	31662	67%	**97	95%
[Somchem S365]*	<<locked>>	82%	23525	50%	**26	90%
Vihtavuori N133	<<locked>>	81%	38537	82%	**62	100%
Vihtavuori N135	<<locked>>	81%	30719	65%	**57	99%
Vihtavuori N140	<<locked>>	81%	36680	78%	**75	99%
[Vihtavuori N150]*	<<locked>>	81%	26919	57%	**62	94%
[Vihtavuori N160]*	<<locked>>	82%	29283	62%	**41	90%
Vihtavuori N540	<<locked>>	81%	36289	77%	**88	99%
[Vihtavuori N550]*	<<locked>>	82%	29138	62%	**74	90%
[Vihtavuori N555]*	<<locked>>	92%	27398	58%	**77	90%
[Winchester 6.5 StaBALL]*	<<locked>>	81%	27209	58%	**56	91%
[Winchester 760]*	<<locked>>	87%	36477	77%	**44	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.