Load data for .375 Fl. Mag. N.E. + .374 | 250gr | Rhino Penetrator

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

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.374 \| 250gr \| Rhino Penetrator
Bullet Weight:	250gr \| 16.2g
Bullet Diameter:	0.374" \| 9.50mm
Bullet Length:	1.246" \| 31.6mm
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:	0.443" \| 11.3mm
Shank Seated Depth:	0.443" \| 11.3mm
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_B5314_C541
Last updated:	2025-01-01

Load data for 122 loads in caliber .375 Fl. Mag. N.E. with .374 | 250gr | Rhino Penetrator bullet and 61 powders such as ReloadSwiss RS 52, ReloadSwiss RS 60. 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 (%)
Min FR (%)
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 2206H	<<locked>>	83%	42148	89%	**00	97%
ADI AR 2208	<<locked>>	88%	41771	89%	**77	96%
Accurate 2495	<<locked>>	83%	42177	89%	**03	100%
Accurate 4064	<<locked>>	88%	42163	89%	**16	100%
Accurate 4350	<<locked>>	97%	40843	87%	**49	96%
Alliant Reloder- TS 15.5	<<locked>>	89%	42206	90%	**26	98%
Alliant Reloder-15	<<locked>>	87%	42337	90%	**26	97%
Alliant Reloder-16	<<locked>>	97%	41176	87%	**52	96%
Alliant Reloder-17	<<locked>>	93%	41800	89%	**98	98%
Baschieri & Pellagri 107	<<locked>>	84%	42337	90%	**20	96%
Hodgdon CFE223	<<locked>>	88%	42192	90%	**56	96%
Hodgdon H380	<<locked>>	89%	42177	89%	**13	95%
[Hodgdon H414]*	<<locked>>	92%	42061	89%	**52	92%
Hodgdon Hybrid 100V	<<locked>>	97%	37637	80%	**51	96%
Hodgdon LVR	<<locked>>	95%	42235	90%	**52	95%
Hodgdon VARGET	<<locked>>	89%	42032	89%	**80	96%
IMR 3031	<<locked>>	87%	42337	90%	**33	100%
IMR 4064	<<locked>>	89%	42090	89%	**80	97%
[IMR 4166 Enduron]*	<<locked>>	89%	42308	90%	**38	92%
[IMR 4451 Enduron]*	<<locked>>	91%	42293	90%	**67	92%
[IMR 4831]*	<<locked>>	97%	34940	74%	**11	94%
IMR 4895	<<locked>>	86%	42279	90%	**39	97%
Lovex D073.6	<<locked>>	85%	42409	90%	**20	100%
Lovex S062	<<locked>>	87%	42366	90%	**97	99%
[Lovex S065]*	<<locked>>	93%	41785	89%	**77	94%
[Lovex S070]*	<<locked>>	96%	42061	89%	**97	93%
Norma 201	<<locked>>	84%	42337	90%	**80	98%
Norma 202	<<locked>>	84%	42308	90%	**93	100%
Norma 203B	<<locked>>	87%	42076	89%	**26	97%
Norma URP	<<locked>>	97%	41191	87%	**43	95%
Ramshot Big Game	<<locked>>	87%	41771	89%	**36	97%
[Ramshot Hunter]*	<<locked>>	97%	41017	87%	**33	93%
[ReloadSwiss RS 50]*	<<locked>>	88%	41974	89%	**77	93%
ReloadSwiss RS 52 👍	<<locked>>	88%	41800	89%	**66	99%
ReloadSwiss RS 60 👍	<<locked>>	94%	42380	90%	**18	99%
ReloadSwiss RS 62	<<locked>>	97%	40422	86%	**62	95%
[ReloadSwiss RS 70]*	<<locked>>	97%	41974	89%	**79	94%
Rottweil R 902	<<locked>>	86%	42395	90%	**74	98%
Rottweil R 903	<<locked>>	91%	42018	89%	**26	98%
[Rottweil R 907]*	<<locked>>	92%	42177	89%	**64	91%
SNPE Vectan SP 11	<<locked>>	90%	41858	89%	**46	97%
SNPE Vectan SP 9	<<locked>>	84%	42003	89%	**97	97%
SNPE Vectan Tubal 5000	<<locked>>	89%	42076	89%	**25	100%
[SNPE Vectan Tubal 7000]*	<<locked>>	94%	41974	89%	**44	92%
[Shooters World Long Rifle]*	<<locked>>	93%	41785	89%	**77	94%
Shooters World Match Rifle	<<locked>>	85%	42409	90%	**20	100%
Shooters World Precision	<<locked>>	87%	42366	90%	**97	99%
Somchem S335	<<locked>>	83%	42380	90%	**28	100%
Somchem S341	<<locked>>	83%	42148	89%	**90	97%
Somchem S355	<<locked>>	91%	42047	89%	**10	98%
Somchem S365	<<locked>>	97%	36666	78%	**93	98%
Vihtavuori N133	<<locked>>	85%	42076	89%	**11	100%
Vihtavuori N135	<<locked>>	92%	41945	89%	**77	100%
Vihtavuori N140	<<locked>>	86%	42235	90%	**74	100%
Vihtavuori N150	<<locked>>	96%	42409	90%	**93	99%
Vihtavuori N160	<<locked>>	94%	41945	89%	**20	96%
Vihtavuori N540	<<locked>>	86%	42148	89%	**97	100%
Vihtavuori N550	<<locked>>	95%	42308	90%	**69	96%
[Vihtavuori N555]*	<<locked>>	97%	30618	65%	**62	92%
Winchester 6.5 StaBALL	<<locked>>	95%	42134	89%	**97	98%
[Winchester 760]*	<<locked>>	92%	42061	89%	**52	92%

Max Load - Barrel Length: 23.60''

Powder	Charge	FR	MaxP	%	V(0)	z
ADI AR 2206H	<<locked>>	81%	39349	83%	**48	97%
[ADI AR 2208]*	<<locked>>	81%	33460	71%	**00	93%
Accurate 2495	<<locked>>	81%	39305	83%	**57	100%
Accurate 4064	<<locked>>	81%	33069	70%	**39	99%
[Accurate 4350]*	<<locked>>	87%	28616	61%	**77	90%
Alliant Reloder- TS 15.5	<<locked>>	81%	32271	68%	**16	95%
[Alliant Reloder-15]*	<<locked>>	81%	35085	74%	**75	94%
[Alliant Reloder-16]*	<<locked>>	87%	30472	65%	**83	90%
[Alliant Reloder-17]*	<<locked>>	81%	28195	60%	**54	91%
Baschieri & Pellagri 107	<<locked>>	81%	38159	81%	**38	95%
[Hodgdon CFE223]*	<<locked>>	81%	33576	71%	**65	93%
[Hodgdon H380]*	<<locked>>	81%	32808	70%	**16	92%
[Hodgdon H414]*	<<locked>>	88%	37101	79%	**44	90%
[Hodgdon Hybrid 100V]*	<<locked>>	84%	25889	55%	**42	90%
[Hodgdon LVR]*	<<locked>>	85%	31299	66%	**06	90%
[Hodgdon VARGET]*	<<locked>>	81%	33359	71%	**97	93%
IMR 3031	<<locked>>	81%	35215	75%	**98	100%
[IMR 4064]*	<<locked>>	81%	32837	70%	**80	94%
[IMR 4166 Enduron]*	<<locked>>	84%	36782	78%	**29	90%
[IMR 4451 Enduron]*	<<locked>>	87%	37275	79%	**62	90%
[IMR 4831]*	<<locked>>	90%	28805	61%	**57	90%
IMR 4895	<<locked>>	81%	35940	76%	**08	96%
Lovex D073.6	<<locked>>	81%	37637	80%	**31	99%
Lovex S062	<<locked>>	81%	34693	74%	**43	97%
[Lovex S065]*	<<locked>>	85%	32387	69%	**77	90%
[Lovex S070]*	<<locked>>	91%	36187	77%	**75	90%
Norma 201	<<locked>>	81%	38551	82%	**05	98%
Norma 202	<<locked>>	81%	38595	82%	**21	99%
Norma 203B	<<locked>>	81%	34621	73%	**69	95%
[Norma URP]*	<<locked>>	86%	29791	63%	**83	90%
[Ramshot Big Game]*	<<locked>>	81%	33968	72%	**72	94%
[Ramshot Hunter]*	<<locked>>	92%	34853	74%	**02	90%
[ReloadSwiss RS 50]*	<<locked>>	82%	34650	74%	**26	90%
ReloadSwiss RS 52	<<locked>>	81%	32924	70%	**72	97%
[ReloadSwiss RS 60]*	<<locked>>	81%	27543	58%	**38	91%
[ReloadSwiss RS 62]*	<<locked>>	88%	30487	65%	**26	90%
[ReloadSwiss RS 70]*	<<locked>>	91%	34345	73%	**95	90%
Rottweil R 902	<<locked>>	81%	36825	78%	**62	97%
[Rottweil R 903]*	<<locked>>	81%	29878	63%	**60	94%
[Rottweil R 907]*	<<locked>>	89%	38508	82%	**95	90%
[SNPE Vectan SP 11]*	<<locked>>	81%	31154	66%	**03	93%
SNPE Vectan SP 9	<<locked>>	81%	37869	80%	**15	96%
SNPE Vectan Tubal 5000	<<locked>>	81%	32938	70%	**47	99%
[SNPE Vectan Tubal 7000]*	<<locked>>	89%	35679	76%	**20	90%
[Shooters World Long Rifle]*	<<locked>>	85%	32387	69%	**77	90%
Shooters World Match Rifle	<<locked>>	81%	37637	80%	**31	99%
Shooters World Precision	<<locked>>	81%	34693	74%	**43	97%
Somchem S335	<<locked>>	81%	39624	84%	**82	100%
Somchem S341	<<locked>>	81%	38943	83%	**34	96%
[Somchem S355]*	<<locked>>	81%	30966	66%	**70	94%
[Somchem S365]*	<<locked>>	83%	23917	51%	**33	90%
Vihtavuori N133	<<locked>>	81%	37637	80%	**36	100%
Vihtavuori N135	<<locked>>	81%	30052	64%	**38	99%
Vihtavuori N140	<<locked>>	81%	35940	76%	**56	99%
[Vihtavuori N150]*	<<locked>>	81%	26455	56%	**39	94%
[Vihtavuori N160]*	<<locked>>	84%	29834	63%	**47	90%
Vihtavuori N540	<<locked>>	81%	35636	76%	**69	99%
[Vihtavuori N550]*	<<locked>>	83%	29588	63%	**77	90%
[Vihtavuori N555]*	<<locked>>	94%	27992	59%	**87	90%
[Winchester 6.5 StaBALL]*	<<locked>>	81%	26629	57%	**26	90%
[Winchester 760]*	<<locked>>	88%	37101	79%	**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.