Load data for .375 Fl. Mag. N.E. + .375 | 270gr | NorthFork Bonded Core

Recommended Powder(s): Alliant Reloder- TS 15.5, Alliant Reloder-17, ReloadSwiss RS 52, ReloadSwiss RS 60, Somchem S365

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.375 \| 270gr \| NorthFork Bonded Core
Bullet Weight:	270gr \| 17.5g
Bullet Diameter:	0.375" \| 9.52mm
Bullet Length:	1.260" \| 32.0mm
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:	0.457" \| 11.6mm
Shank Seated Depth:	0.457" \| 11.6mm
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_B3929_C541
Last updated:	2025-01-01

Load data for 110 loads in caliber .375 Fl. Mag. N.E. with .375 | 270gr | NorthFork Bonded Core bullet and 55 powders such as Alliant Reloder- TS 15.5, Alliant Reloder-17, ReloadSwiss RS 52, ReloadSwiss RS 60, Somchem S365. 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".

Go to the bottom of the "My Account " page to set the measure system (imperial vs. metric)
No data yet
C.O.L. (Inch)
C.O.L. (mm)
Case Length (Inch)
Case Length (mm)
CaseCapacity (GoW)
Min z (%)
Min FR (%)
Max FR*
Barrel Length (Inch)
Barrel Length (cm)
Safety Buffer (%)
.
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>>	86%	42119	89%	**95	97%
[Accurate 2700]*	<<locked>>	88%	42221	90%	**39	92%
Accurate 4064	<<locked>>	86%	42279	90%	**25	100%
Accurate 4350	<<locked>>	95%	41989	89%	**84	97%
Alliant Reloder- TS 15.5 👍	<<locked>>	87%	42076	89%	**31	99%
Alliant Reloder-15	<<locked>>	85%	42105	89%	**28	98%
Alliant Reloder-16	<<locked>>	95%	41916	89%	**80	97%
Alliant Reloder-17 👍	<<locked>>	92%	42264	90%	**23	99%
[Alliant Reloder-23]*	<<locked>>	97%	31328	66%	**74	94%
Hodgdon CFE223	<<locked>>	86%	42409	90%	**74	97%
Hodgdon H380	<<locked>>	87%	42119	89%	**21	96%
[Hodgdon H414]*	<<locked>>	91%	42337	90%	**77	94%
[Hodgdon H4350]*	<<locked>>	97%	42148	89%	**08	93%
Hodgdon Hybrid 100V	<<locked>>	97%	40132	85%	**15	98%
Hodgdon LVR	<<locked>>	93%	42279	90%	**61	96%
[Hodgdon Superperformance]*	<<locked>>	93%	42395	90%	**84	92%
Hodgdon VARGET	<<locked>>	87%	42235	90%	**95	97%
IMR 3031	<<locked>>	85%	42148	89%	**31	100%
IMR 4064	<<locked>>	88%	42395	90%	**92	98%
[IMR 4166 Enduron]*	<<locked>>	87%	41829	89%	**49	93%
[IMR 4350]*	<<locked>>	95%	42322	90%	**11	93%
[IMR 4451 Enduron]*	<<locked>>	89%	42076	89%	**82	93%
IMR 4831	<<locked>>	97%	37652	80%	**82	96%
IMR 4895	<<locked>>	84%	42018	89%	**38	98%
Lovex S062	<<locked>>	85%	42235	90%	**98	99%
Lovex S065	<<locked>>	92%	42264	90%	**02	95%
[Lovex S070]*	<<locked>>	93%	41887	89%	**11	94%
Norma 203B	<<locked>>	85%	41872	89%	**31	98%
Norma URP	<<locked>>	95%	42119	89%	**77	97%
Ramshot Big Game	<<locked>>	86%	42105	89%	**54	98%
Ramshot Hunter	<<locked>>	96%	42018	89%	**74	95%
[ReloadSwiss RS 50]*	<<locked>>	86%	42351	90%	**02	94%
ReloadSwiss RS 52 👍	<<locked>>	86%	42206	90%	**70	99%
ReloadSwiss RS 60 👍	<<locked>>	92%	42163	89%	**33	99%
ReloadSwiss RS 62	<<locked>>	96%	42380	90%	**10	97%
ReloadSwiss RS 70	<<locked>>	95%	42206	90%	**00	95%
Rottweil R 902	<<locked>>	84%	42177	89%	**75	99%
Rottweil R 903	<<locked>>	89%	41843	89%	**31	99%
[Rottweil R 907]*	<<locked>>	91%	42293	90%	**85	93%
SNPE Vectan SP 11	<<locked>>	88%	41930	89%	**61	98%
SNPE Vectan Tubal 5000	<<locked>>	87%	42105	89%	**29	100%
[SNPE Vectan Tubal 7000]*	<<locked>>	92%	42105	89%	**59	94%
Shooters World Long Rifle	<<locked>>	92%	42264	90%	**02	95%
Shooters World Precision	<<locked>>	85%	42235	90%	**98	99%
Somchem S355	<<locked>>	89%	42380	90%	**25	99%
Somchem S365 👍	<<locked>>	97%	39102	83%	**61	99%
Vihtavuori N135	<<locked>>	90%	41887	89%	**72	100%
Vihtavuori N140	<<locked>>	84%	41887	89%	**69	100%
Vihtavuori N150	<<locked>>	94%	42119	89%	**98	99%
Vihtavuori N160	<<locked>>	92%	42047	89%	**31	97%
Vihtavuori N540	<<locked>>	84%	41887	89%	**95	100%
Vihtavuori N550	<<locked>>	92%	42163	89%	**77	97%
Vihtavuori N555	<<locked>>	97%	32967	70%	**43	95%
Winchester 6.5 StaBALL	<<locked>>	93%	41916	89%	**15	99%
[Winchester 760]*	<<locked>>	91%	42337	90%	**77	94%

Max Load - Barrel Length: 23.60''

Powder	Charge	FR	MaxP	%	V(0)	z
ADI AR 2208	<<locked>>	81%	35418	75%	**60	95%
[Accurate 2700]*	<<locked>>	83%	36724	78%	**31	90%
Accurate 4064	<<locked>>	81%	35491	75%	**93	100%
[Accurate 4350]*	<<locked>>	82%	26223	56%	**26	90%
Alliant Reloder- TS 15.5	<<locked>>	81%	34490	73%	**80	97%
Alliant Reloder-15	<<locked>>	81%	37362	79%	**39	96%
[Alliant Reloder-16]*	<<locked>>	82%	28268	60%	**52	90%
[Alliant Reloder-17]*	<<locked>>	81%	29878	63%	**34	94%
[Alliant Reloder-23]*	<<locked>>	90%	25527	54%	**03	90%
Hodgdon CFE223	<<locked>>	81%	35433	75%	**29	95%
[Hodgdon H380]*	<<locked>>	81%	35012	74%	**77	94%
[Hodgdon H414]*	<<locked>>	84%	34026	72%	**93	90%
[Hodgdon H4350]*	<<locked>>	91%	36289	77%	**87	90%
[Hodgdon Hybrid 100V]*	<<locked>>	81%	24772	53%	**37	91%
[Hodgdon LVR]*	<<locked>>	81%	29240	62%	**69	90%
[Hodgdon Superperformance]*	<<locked>>	89%	37202	79%	**72	90%
Hodgdon VARGET	<<locked>>	81%	35302	75%	**57	95%
IMR 3031	<<locked>>	81%	37652	80%	**49	100%
IMR 4064	<<locked>>	81%	34650	73%	**38	95%
[IMR 4166 Enduron]*	<<locked>>	81%	34983	74%	**08	91%
[IMR 4350]*	<<locked>>	89%	35969	76%	**83	90%
[IMR 4451 Enduron]*	<<locked>>	82%	34171	72%	**18	90%
[IMR 4831]*	<<locked>>	86%	26687	57%	**16	90%
IMR 4895	<<locked>>	81%	38305	81%	**69	97%
Lovex S062	<<locked>>	81%	36869	78%	**00	98%
[Lovex S065]*	<<locked>>	81%	30240	64%	**39	90%
[Lovex S070]*	<<locked>>	86%	33112	70%	**28	90%
Norma 203B	<<locked>>	81%	36883	78%	**33	97%
[Norma URP]*	<<locked>>	82%	27456	58%	**36	90%
Ramshot Big Game	<<locked>>	81%	36114	77%	**36	96%
[Ramshot Hunter]*	<<locked>>	87%	32213	68%	**57	90%
[ReloadSwiss RS 50]*	<<locked>>	81%	35737	76%	**67	92%
ReloadSwiss RS 52	<<locked>>	81%	35259	75%	**43	98%
[ReloadSwiss RS 60]*	<<locked>>	81%	29138	62%	**15	94%
[ReloadSwiss RS 62]*	<<locked>>	83%	27963	59%	**75	90%
[ReloadSwiss RS 70]*	<<locked>>	86%	31459	67%	**47	90%
Rottweil R 902	<<locked>>	81%	39001	83%	**20	98%
Rottweil R 903	<<locked>>	81%	31923	68%	**28	96%
[Rottweil R 907]*	<<locked>>	85%	35810	76%	**54	90%
SNPE Vectan SP 11	<<locked>>	81%	33170	70%	**74	95%
SNPE Vectan Tubal 5000	<<locked>>	81%	34882	74%	**98	100%
[SNPE Vectan Tubal 7000]*	<<locked>>	85%	32706	69%	**75	90%
[Shooters World Long Rifle]*	<<locked>>	81%	30240	64%	**39	90%
Shooters World Precision	<<locked>>	81%	36869	78%	**00	98%
Somchem S355	<<locked>>	81%	33025	70%	**38	96%
[Somchem S365]*	<<locked>>	81%	23931	51%	**64	92%
Vihtavuori N135	<<locked>>	81%	32097	68%	**92	100%
Vihtavuori N140	<<locked>>	81%	38189	81%	**06	100%
Vihtavuori N150	<<locked>>	81%	27992	59%	**00	96%
[Vihtavuori N160]*	<<locked>>	81%	29080	62%	**49	91%
Vihtavuori N540	<<locked>>	81%	37884	80%	**23	100%
[Vihtavuori N550]*	<<locked>>	81%	29066	62%	**85	91%
[Vihtavuori N555]*	<<locked>>	89%	25773	55%	**42	90%
[Winchester 6.5 StaBALL]*	<<locked>>	81%	28224	60%	**06	93%
[Winchester 760]*	<<locked>>	84%	34026	72%	**93	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.