Load data for .375 Fl. Mag. N.E. + .375 | 270gr | Lehigh Defense Controlled Fracturing

Recommended Powder(s): Alliant Reloder- TS 15.5, ReloadSwiss RS 52, ReloadSwiss RS 60, Rottweil R 903, Somchem S355

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.375 \| 270gr \| Lehigh Defense Controlled Fracturing
Manufacturer SKU:	02375270SP
Bullet Weight:	270gr \| 17.5g
Bullet Diameter:	0.375" \| 9.52mm
Bullet Length:	1.430" \| 36.3mm
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:	0.627" \| 15.9mm
Shank Seated Depth:	0.567" \| 14.4mm
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_B11080_C541
Last updated:	2025-11-04
Recommended Twist Rate:	1:16 - 1:13

Load data for 128 loads in caliber .375 Fl. Mag. N.E. with .375 | 270gr | Lehigh Defense Controlled Fracturing bullet and 64 powders such as Alliant Reloder- TS 15.5, ReloadSwiss RS 52, ReloadSwiss RS 60, Rottweil R 903, 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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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.
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 2206H	<<locked>>	83%	42032	89%	**82	98%
ADI AR 2208	<<locked>>	89%	42395	90%	**75	97%
Accurate 2495	<<locked>>	83%	42322	90%	**92	100%
[Accurate 2700]*	<<locked>>	89%	41814	89%	**06	92%
Accurate 4064	<<locked>>	89%	42032	89%	**98	100%
Accurate 4350	<<locked>>	97%	40234	85%	**25	96%
Alliant Reloder- TS 15.5 👍	<<locked>>	89%	42409	90%	**11	99%
Alliant Reloder-15	<<locked>>	87%	42105	89%	**05	97%
Alliant Reloder-16	<<locked>>	97%	41046	87%	**38	96%
Alliant Reloder-17	<<locked>>	93%	42380	90%	**90	98%
[Alliant Reloder-23]*	<<locked>>	97%	29022	62%	**82	92%
Baschieri & Pellagri 107	<<locked>>	84%	41872	89%	**98	96%
Hodgdon CFE223	<<locked>>	88%	42250	90%	**44	96%
Hodgdon H380	<<locked>>	88%	41669	88%	**92	96%
[Hodgdon H414]*	<<locked>>	92%	42206	90%	**41	93%
Hodgdon Hybrid 100V	<<locked>>	97%	37695	80%	**46	97%
Hodgdon LVR	<<locked>>	95%	42134	89%	**34	95%
Hodgdon VARGET	<<locked>>	89%	42119	89%	**69	97%
IMR 3031	<<locked>>	87%	42409	90%	**15	100%
IMR 4064	<<locked>>	89%	41989	89%	**62	97%
[IMR 4166 Enduron]*	<<locked>>	89%	42351	90%	**33	93%
[IMR 4350]*	<<locked>>	96%	41858	89%	**75	92%
[IMR 4451 Enduron]*	<<locked>>	91%	42032	89%	**56	93%
[IMR 4831]*	<<locked>>	97%	35041	74%	**06	94%
IMR 4895	<<locked>>	86%	41930	89%	**11	98%
Lovex D073.6	<<locked>>	84%	42047	89%	**95	100%
Lovex S062	<<locked>>	87%	42337	90%	**82	99%
Lovex S065	<<locked>>	93%	41727	89%	**62	95%
[Lovex S070]*	<<locked>>	96%	41959	89%	**88	93%
Norma 201	<<locked>>	84%	41901	89%	**59	99%
Norma 202	<<locked>>	84%	41959	89%	**72	100%
Norma 203B	<<locked>>	87%	41901	89%	**08	98%
Norma URP	<<locked>>	97%	41263	88%	**34	96%
Ramshot Big Game	<<locked>>	88%	42177	89%	**28	98%
[Ramshot Hunter]*	<<locked>>	97%	40321	86%	**11	93%
[ReloadSwiss RS 50]*	<<locked>>	88%	41887	89%	**62	94%
ReloadSwiss RS 52 👍	<<locked>>	88%	41843	89%	**48	99%
ReloadSwiss RS 60 👍	<<locked>>	94%	42395	90%	**07	99%
ReloadSwiss RS 62	<<locked>>	97%	40596	86%	**51	96%
ReloadSwiss RS 70	<<locked>>	97%	42105	89%	**64	95%
Rottweil R 902	<<locked>>	86%	42221	90%	**56	99%
Rottweil R 903 👍	<<locked>>	92%	42293	90%	**15	98%
[Rottweil R 907]*	<<locked>>	93%	42308	90%	**59	92%
SNPE Vectan SP 11	<<locked>>	91%	42409	90%	**44	98%
SNPE Vectan SP 7	<<locked>>	83%	41945	89%	**69	96%
SNPE Vectan SP 9	<<locked>>	84%	42105	89%	**85	98%
SNPE Vectan Tubal 5000	<<locked>>	89%	42380	90%	**10	100%
[SNPE Vectan Tubal 7000]*	<<locked>>	94%	41829	89%	**29	93%
Shooters World Long Rifle	<<locked>>	93%	41727	89%	**62	95%
Shooters World Match Rifle	<<locked>>	84%	42047	89%	**95	100%
Shooters World Precision	<<locked>>	87%	42337	90%	**82	99%
Somchem S341	<<locked>>	83%	42134	89%	**79	98%
Somchem S355 👍	<<locked>>	91%	42192	90%	**98	98%
Somchem S365	<<locked>>	97%	36463	77%	**82	98%
Vihtavuori N133	<<locked>>	84%	41945	89%	**97	100%
Vihtavuori N135	<<locked>>	92%	42177	89%	**59	100%
Vihtavuori N140	<<locked>>	86%	42119	89%	**52	100%
Vihtavuori N150	<<locked>>	96%	42264	90%	**79	99%
Vihtavuori N160	<<locked>>	94%	42061	89%	**05	96%
Vihtavuori N540	<<locked>>	86%	41974	89%	**75	100%
Vihtavuori N550	<<locked>>	94%	41887	89%	**48	96%
[Vihtavuori N555]*	<<locked>>	97%	30342	64%	**51	93%
Winchester 6.5 StaBALL	<<locked>>	95%	41814	89%	**82	98%
[Winchester 760]*	<<locked>>	92%	42206	90%	**41	93%

Max Load - Barrel Length: 23.60''

Powder	Charge	FR	MaxP	%	V(0)	z
ADI AR 2206H	<<locked>>	81%	39262	83%	**29	97%
[ADI AR 2208]*	<<locked>>	81%	33489	71%	**98	94%
Accurate 2495	<<locked>>	81%	39450	84%	**43	100%
[Accurate 2700]*	<<locked>>	86%	38087	81%	**34	90%
Accurate 4064	<<locked>>	81%	33185	70%	**34	99%
[Accurate 4350]*	<<locked>>	85%	27209	58%	**36	90%
Alliant Reloder- TS 15.5	<<locked>>	81%	32416	69%	**11	96%
Alliant Reloder-15	<<locked>>	81%	35012	74%	**64	95%
[Alliant Reloder-16]*	<<locked>>	85%	29095	62%	**52	90%
[Alliant Reloder-17]*	<<locked>>	81%	28181	60%	**59	92%
[Alliant Reloder-23]*	<<locked>>	93%	26469	56%	**06	90%
Baschieri & Pellagri 107	<<locked>>	81%	38014	81%	**29	95%
[Hodgdon CFE223]*	<<locked>>	81%	33576	71%	**60	93%
[Hodgdon H380]*	<<locked>>	81%	32924	70%	**11	92%
[Hodgdon H414]*	<<locked>>	87%	35389	75%	**00	90%
[Hodgdon Hybrid 100V]*	<<locked>>	83%	24613	52%	**14	90%
[Hodgdon LVR]*	<<locked>>	84%	29921	63%	**69	90%
[Hodgdon VARGET]*	<<locked>>	81%	33373	71%	**88	94%
IMR 3031	<<locked>>	81%	35317	75%	**93	100%
[IMR 4064]*	<<locked>>	81%	32764	70%	**72	94%
[IMR 4166 Enduron]*	<<locked>>	83%	35520	75%	**95	90%
[IMR 4350]*	<<locked>>	93%	37608	80%	**87	90%
[IMR 4451 Enduron]*	<<locked>>	86%	35853	76%	**31	90%
[IMR 4831]*	<<locked>>	89%	27340	58%	**16	90%
IMR 4895	<<locked>>	81%	35868	76%	**00	96%
Lovex D073.6	<<locked>>	81%	37434	79%	**13	99%
Lovex S062	<<locked>>	81%	34751	74%	**34	97%
[Lovex S065]*	<<locked>>	84%	31038	66%	**42	90%
[Lovex S070]*	<<locked>>	89%	34330	73%	**28	90%
Norma 201	<<locked>>	81%	38522	82%	**93	98%
Norma 202	<<locked>>	81%	38624	82%	**10	100%
Norma 203B	<<locked>>	81%	34534	73%	**64	96%
[Norma URP]*	<<locked>>	85%	28471	60%	**46	90%
Ramshot Big Game	<<locked>>	81%	34011	72%	**60	95%
[Ramshot Hunter]*	<<locked>>	91%	33489	71%	**64	90%
[ReloadSwiss RS 50]*	<<locked>>	81%	33794	72%	**98	90%
ReloadSwiss RS 52	<<locked>>	81%	32895	70%	**67	97%
[ReloadSwiss RS 60]*	<<locked>>	81%	27528	58%	**42	92%
[ReloadSwiss RS 62]*	<<locked>>	87%	29269	62%	**92	90%
[ReloadSwiss RS 70]*	<<locked>>	90%	33098	70%	**60	90%
Rottweil R 902	<<locked>>	81%	36811	78%	**57	98%
Rottweil R 903	<<locked>>	81%	29834	63%	**59	95%
[Rottweil R 907]*	<<locked>>	89%	37449	79%	**64	90%
[SNPE Vectan SP 11]*	<<locked>>	81%	31256	66%	**05	94%
SNPE Vectan SP 7	<<locked>>	81%	39262	83%	**16	95%
SNPE Vectan SP 9	<<locked>>	81%	37710	80%	**03	97%
SNPE Vectan Tubal 5000	<<locked>>	81%	33098	70%	**49	99%
[SNPE Vectan Tubal 7000]*	<<locked>>	88%	34098	72%	**85	90%
[Shooters World Long Rifle]*	<<locked>>	84%	31038	66%	**42	90%
Shooters World Match Rifle	<<locked>>	81%	37434	79%	**13	99%
Shooters World Precision	<<locked>>	81%	34751	74%	**34	97%
Somchem S341	<<locked>>	81%	38783	82%	**16	97%
Somchem S355	<<locked>>	81%	31067	66%	**75	95%
[Somchem S365]*	<<locked>>	81%	22785	48%	**01	90%
Vihtavuori N133	<<locked>>	81%	37942	80%	**28	100%
Vihtavuori N135	<<locked>>	81%	30008	64%	**29	99%
Vihtavuori N140	<<locked>>	81%	36071	77%	**47	99%
[Vihtavuori N150]*	<<locked>>	81%	26382	56%	**44	94%
[Vihtavuori N160]*	<<locked>>	82%	28529	61%	**13	90%
Vihtavuori N540	<<locked>>	81%	35650	76%	**57	99%
[Vihtavuori N550]*	<<locked>>	82%	28558	61%	**52	90%
[Vihtavuori N555]*	<<locked>>	93%	26774	57%	**49	90%
[Winchester 6.5 StaBALL]*	<<locked>>	81%	26527	56%	**34	91%
[Winchester 760]*	<<locked>>	87%	35389	75%	**00	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