Load data for .375 Fl. Mag. N.E. + .375 | 265gr | AERO SORN,- smax:15.80

Recommended Powder(s): Alliant Reloder-17, ReloadSwiss RS 52, ReloadSwiss RS 60, Rottweil R 903, Somchem S365

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.375 \| 265gr \| AERO SORN,- smax:15.80
Bullet Weight:	265gr \| 17.2g
Bullet Diameter:	0.375" \| 9.52mm
Bullet Length:	1.173" \| 29.8mm
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:	0.370" \| 9.4mm
Shank Seated Depth:	0.370" \| 9.4mm
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_B116_C541
Last updated:	2025-01-01

Load data for 112 loads in caliber .375 Fl. Mag. N.E. with .375 | 265gr | AERO SORN,- smax:15.80 bullet and 56 powders such as Alliant Reloder-17, ReloadSwiss RS 52, ReloadSwiss RS 60, Rottweil R 903, 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".

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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.
Case Length (Inch)
Case Length (mm)
CaseCapacity (GoW)
Min z (%)
Min FR (%)
Max FR*
Barrel Length (Inch)
Barrel Length (cm)
Safety Buffer (%)
.

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>>	87%	41930	89%	**34	97%
[Accurate 2700]*	<<locked>>	88%	42192	90%	**75	92%
Accurate 4064	<<locked>>	87%	42250	90%	**61	100%
Accurate 4350	<<locked>>	96%	42090	89%	**23	97%
Alliant Reloder- TS 15.5	<<locked>>	88%	41945	89%	**67	99%
Alliant Reloder-15	<<locked>>	85%	42264	90%	**70	98%
Alliant Reloder-16	<<locked>>	96%	42105	89%	**30	97%
Alliant Reloder-17 👍	<<locked>>	92%	41930	89%	**56	99%
[Alliant Reloder-23]*	<<locked>>	97%	30197	64%	**77	94%
Hodgdon CFE223	<<locked>>	86%	42322	90%	**10	97%
Hodgdon H380	<<locked>>	87%	42337	90%	**67	96%
[Hodgdon H414]*	<<locked>>	91%	42134	89%	**10	94%
[Hodgdon H4350]*	<<locked>>	97%	41901	89%	**38	92%
Hodgdon Hybrid 100V	<<locked>>	97%	39407	84%	**44	98%
Hodgdon LVR	<<locked>>	93%	41959	89%	**03	96%
[Hodgdon Superperformance]*	<<locked>>	93%	41843	89%	**13	92%
Hodgdon VARGET	<<locked>>	87%	41930	89%	**34	97%
IMR 3031	<<locked>>	85%	41930	89%	**67	100%
IMR 4064	<<locked>>	88%	42148	89%	**31	98%
[IMR 4166 Enduron]*	<<locked>>	88%	42163	89%	**88	93%
[IMR 4350]*	<<locked>>	95%	42308	90%	**48	93%
[IMR 4451 Enduron]*	<<locked>>	90%	42380	90%	**28	93%
IMR 4831	<<locked>>	97%	36869	78%	**02	95%
IMR 4895	<<locked>>	85%	42119	89%	**80	98%
Lovex S062	<<locked>>	86%	42105	89%	**38	99%
Lovex S065	<<locked>>	93%	42380	90%	**41	95%
[Lovex S070]*	<<locked>>	94%	42351	90%	**57	94%
Norma 203B	<<locked>>	86%	42163	89%	**74	98%
Norma URP	<<locked>>	96%	42279	90%	**23	97%
Ramshot Big Game	<<locked>>	86%	42177	89%	**93	98%
Ramshot Hunter	<<locked>>	96%	41989	89%	**13	95%
[ReloadSwiss RS 50]*	<<locked>>	86%	41930	89%	**31	94%
ReloadSwiss RS 52 👍	<<locked>>	87%	42424	90%	**13	99%
ReloadSwiss RS 60 👍	<<locked>>	93%	42279	90%	**69	99%
ReloadSwiss RS 62	<<locked>>	96%	42308	90%	**46	97%
ReloadSwiss RS 70	<<locked>>	96%	42409	90%	**39	96%
Rottweil R 902	<<locked>>	84%	42206	90%	**21	99%
Rottweil R 903 👍	<<locked>>	90%	42105	89%	**77	99%
[Rottweil R 907]*	<<locked>>	91%	41901	89%	**18	93%
SNPE Vectan SP 11	<<locked>>	89%	42264	90%	**03	98%
SNPE Vectan Tubal 5000	<<locked>>	87%	41901	89%	**65	100%
[SNPE Vectan Tubal 7000]*	<<locked>>	93%	41916	89%	**92	94%
Shooters World Long Rifle	<<locked>>	93%	42380	90%	**41	95%
Shooters World Precision	<<locked>>	86%	42105	89%	**38	99%
Somchem S355	<<locked>>	89%	42148	89%	**61	98%
Somchem S365 👍	<<locked>>	97%	38392	81%	**87	99%
Vihtavuori N133	<<locked>>	83%	42032	89%	**56	100%
Vihtavuori N135	<<locked>>	90%	42061	89%	**18	100%
Vihtavuori N140	<<locked>>	85%	42090	89%	**11	100%
Vihtavuori N150	<<locked>>	94%	42076	89%	**34	99%
Vihtavuori N160	<<locked>>	93%	42032	89%	**74	97%
Vihtavuori N540	<<locked>>	85%	42308	90%	**44	100%
Vihtavuori N550	<<locked>>	93%	42148	89%	**10	97%
[Vihtavuori N555]*	<<locked>>	97%	32097	68%	**59	94%
Winchester 6.5 StaBALL	<<locked>>	94%	42395	90%	**57	99%
[Winchester 760]*	<<locked>>	91%	42134	89%	**10	94%

Max Load - Barrel Length: 23.60''

Powder	Charge	FR	MaxP	%	V(0)	z
ADI AR 2208	<<locked>>	81%	34969	74%	**90	95%
[Accurate 2700]*	<<locked>>	84%	36318	77%	**60	90%
Accurate 4064	<<locked>>	81%	34418	73%	**20	99%
[Accurate 4350]*	<<locked>>	83%	26237	56%	**65	90%
Alliant Reloder- TS 15.5	<<locked>>	81%	34011	72%	**03	97%
Alliant Reloder-15	<<locked>>	81%	36506	77%	**59	96%
[Alliant Reloder-16]*	<<locked>>	83%	27963	59%	**78	90%
[Alliant Reloder-17]*	<<locked>>	81%	29254	62%	**54	94%
[Alliant Reloder-23]*	<<locked>>	91%	25324	54%	**33	90%
Hodgdon CFE223	<<locked>>	81%	34940	74%	**56	95%
[Hodgdon H380]*	<<locked>>	81%	34301	73%	**00	94%
[Hodgdon H414]*	<<locked>>	85%	34360	73%	**46	90%
[Hodgdon H4350]*	<<locked>>	92%	36477	77%	**29	90%
[Hodgdon Hybrid 100V]*	<<locked>>	81%	23917	51%	**47	90%
[Hodgdon LVR]*	<<locked>>	81%	28892	61%	**95	90%
[Hodgdon Superperformance]*	<<locked>>	90%	37217	79%	**08	90%
Hodgdon VARGET	<<locked>>	81%	34606	73%	**80	95%
IMR 3031	<<locked>>	81%	37086	79%	**79	100%
IMR 4064	<<locked>>	81%	34069	72%	**64	95%
[IMR 4166 Enduron]*	<<locked>>	81%	34330	73%	**31	90%
[IMR 4350]*	<<locked>>	90%	35839	76%	**16	90%
[IMR 4451 Enduron]*	<<locked>>	83%	34113	72%	**51	90%
[IMR 4831]*	<<locked>>	86%	26513	56%	**49	90%
IMR 4895	<<locked>>	81%	37420	79%	**85	97%
Lovex S062	<<locked>>	81%	36114	77%	**23	98%
[Lovex S065]*	<<locked>>	81%	29892	63%	**69	90%
[Lovex S070]*	<<locked>>	86%	32764	69%	**60	90%
Norma 203B	<<locked>>	81%	35998	76%	**49	96%
[Norma URP]*	<<locked>>	83%	27412	58%	**72	90%
Ramshot Big Game	<<locked>>	81%	35476	75%	**62	96%
[Ramshot Hunter]*	<<locked>>	88%	32213	68%	**93	90%
[ReloadSwiss RS 50]*	<<locked>>	81%	35070	74%	**90	92%
ReloadSwiss RS 52	<<locked>>	81%	34635	73%	**65	98%
[ReloadSwiss RS 60]*	<<locked>>	81%	28529	61%	**38	94%
[ReloadSwiss RS 62]*	<<locked>>	84%	28195	60%	**18	90%
[ReloadSwiss RS 70]*	<<locked>>	87%	31299	66%	**80	90%
Rottweil R 902	<<locked>>	81%	37971	81%	**43	98%
Rottweil R 903	<<locked>>	81%	31140	66%	**47	96%
[Rottweil R 907]*	<<locked>>	85%	35505	75%	**90	90%
SNPE Vectan SP 11	<<locked>>	81%	32576	69%	**97	95%
SNPE Vectan Tubal 5000	<<locked>>	81%	34287	73%	**24	100%
[SNPE Vectan Tubal 7000]*	<<locked>>	85%	32735	69%	**11	90%
[Shooters World Long Rifle]*	<<locked>>	81%	29892	63%	**69	90%
Shooters World Precision	<<locked>>	81%	36114	77%	**23	98%
Somchem S355	<<locked>>	81%	32314	69%	**60	96%
[Somchem S365]*	<<locked>>	81%	23090	49%	**70	91%
Vihtavuori N133	<<locked>>	81%	39247	83%	**10	100%
Vihtavuori N135	<<locked>>	81%	31459	67%	**18	100%
Vihtavuori N140	<<locked>>	81%	37420	79%	**29	100%
Vihtavuori N150	<<locked>>	81%	27369	58%	**19	95%
[Vihtavuori N160]*	<<locked>>	81%	28355	60%	**65	91%
Vihtavuori N540	<<locked>>	81%	37217	79%	**49	100%
[Vihtavuori N550]*	<<locked>>	81%	28456	60%	**05	91%
[Vihtavuori N555]*	<<locked>>	90%	25933	55%	**88	90%
[Winchester 6.5 StaBALL]*	<<locked>>	81%	27528	58%	**26	93%
[Winchester 760]*	<<locked>>	85%	34360	73%	**46	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.

<<locked>>... you need to buy an access license to unlock the data