Load data for .375 Fl. Mag. N.E. + .375 | 270gr | Woodleigh PP SN

Recommended Powder(s): Alliant Reloder-17, Bofors RP3, Hodgdon Hybrid 100V, Rottweil R 903, Somchem S365

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.375 \| 270gr \| Woodleigh PP SN
Manufacturer SKU:	43A
Bullet Weight:	270gr \| 17.5g
Bullet Diameter:	0.375" \| 9.52mm
Bullet Length:	1.130" \| 28.7mm
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:	0.327" \| 8.3mm
Shank Seated Depth:	0.327" \| 8.3mm
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_B12121_C541
Last updated:	2026-01-20

Load data for 114 loads in caliber .375 Fl. Mag. N.E. with .375 | 270gr | Woodleigh PP SN bullet and 57 powders such as Alliant Reloder-17, Bofors RP3, Hodgdon Hybrid 100V, 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>>	85%	42366	90%	**18	98%
[Accurate 2700]*	<<locked>>	87%	42380	90%	**59	93%
[Accurate 3100]*	<<locked>>	97%	32779	70%	**90	92%
Accurate 4064	<<locked>>	85%	42250	90%	**34	100%
Accurate 4350	<<locked>>	94%	41945	89%	**97	97%
Alliant Power Pro 2000-MR	<<locked>>	83%	42351	90%	**33	98%
Alliant Reloder- TS 15.5	<<locked>>	86%	41771	89%	**38	99%
Alliant Reloder-15	<<locked>>	83%	41959	89%	**48	98%
Alliant Reloder-16	<<locked>>	94%	41901	89%	**03	97%
Alliant Reloder-17 👍	<<locked>>	90%	41974	89%	**36	99%
Alliant Reloder-23	<<locked>>	97%	32445	69%	**23	96%
[Alliant Reloder-26]*	<<locked>>	97%	35302	75%	**38	94%
Bofors RP3 👍	<<locked>>	86%	41727	89%	**48	99%
[Bofors RP7]*	<<locked>>	89%	42279	90%	**05	93%
Hodgdon CFE223	<<locked>>	85%	42061	89%	**84	97%
Hodgdon H380	<<locked>>	85%	42235	90%	**41	97%
[Hodgdon H414]*	<<locked>>	89%	42337	90%	**93	94%
[Hodgdon H4350]*	<<locked>>	95%	42322	90%	**31	93%
Hodgdon Hybrid 100V 👍	<<locked>>	97%	41756	89%	**61	99%
Hodgdon LVR	<<locked>>	91%	42322	90%	**80	96%
[Hodgdon Superperformance]*	<<locked>>	92%	42134	89%	**97	93%
Hodgdon VARGET	<<locked>>	86%	41974	89%	**08	98%
IMR 3031	<<locked>>	83%	42061	89%	**38	100%
IMR 4064	<<locked>>	86%	41930	89%	**02	98%
[IMR 4166 Enduron]*	<<locked>>	86%	42134	89%	**69	94%
[IMR 4350]*	<<locked>>	93%	42351	90%	**31	93%
[IMR 4451 Enduron]*	<<locked>>	88%	42032	89%	**98	94%
IMR 4831	<<locked>>	97%	39581	84%	**34	97%
Lovex S062	<<locked>>	84%	42134	89%	**18	99%
Lovex S065	<<locked>>	91%	42366	90%	**21	96%
[Lovex S070]*	<<locked>>	92%	42250	90%	**31	94%
Norma 203B	<<locked>>	84%	42395	90%	**54	98%
Norma URP	<<locked>>	94%	42148	89%	**93	97%
Ramshot Big Game	<<locked>>	84%	42308	90%	**74	98%
Ramshot Hunter	<<locked>>	94%	42018	89%	**93	95%
ReloadSwiss RS 50	<<locked>>	85%	42235	90%	**18	95%
ReloadSwiss RS 60	<<locked>>	88%	42032	89%	**43	100%
ReloadSwiss RS 62	<<locked>>	94%	42003	89%	**23	97%
ReloadSwiss RS 70	<<locked>>	94%	42322	90%	**30	96%
Rottweil R 903 👍	<<locked>>	88%	41989	89%	**44	99%
[Rottweil R 907]*	<<locked>>	89%	42279	90%	**05	93%
SNPE Vectan SP 11	<<locked>>	87%	42380	90%	**84	98%
SNPE Vectan Tubal 5000	<<locked>>	86%	42221	90%	**46	100%
[SNPE Vectan Tubal 7000]*	<<locked>>	91%	42206	90%	**75	94%
Shooters World Long Rifle	<<locked>>	91%	42366	90%	**21	96%
Shooters World Precision	<<locked>>	84%	42134	89%	**18	99%
Somchem S355	<<locked>>	87%	42351	90%	**41	99%
Somchem S365 👍	<<locked>>	97%	41263	88%	**23	100%
[Somchem S385]*	<<locked>>	97%	38334	81%	**95	92%
Vihtavuori N135	<<locked>>	88%	42264	90%	**95	100%
Vihtavuori N150	<<locked>>	92%	41814	89%	**08	99%
Vihtavuori N160	<<locked>>	91%	42395	90%	**61	97%
Vihtavuori N550	<<locked>>	91%	41887	89%	**90	97%
Vihtavuori N555	<<locked>>	97%	34548	73%	**92	96%
Winchester 6.5 StaBALL	<<locked>>	92%	42090	89%	**34	99%
[Winchester 760]*	<<locked>>	89%	42337	90%	**93	94%
[Winchester StaBALL HD]*	<<locked>>	97%	28834	61%	**74	93%

Max Load - Barrel Length: 23.60''

Powder	Charge	FR	MaxP	%	V(0)	z
ADI AR 2208	<<locked>>	81%	36869	78%	**10	96%
[Accurate 2700]*	<<locked>>	81%	35244	75%	**24	90%
[Accurate 3100]*	<<locked>>	94%	29805	63%	**24	90%
Accurate 4064	<<locked>>	81%	37217	79%	**43	100%
[Accurate 4350]*	<<locked>>	81%	26847	57%	**56	91%
Alliant Power Pro 2000-MR	<<locked>>	81%	39146	83%	**70	97%
Alliant Reloder- TS 15.5	<<locked>>	81%	36390	77%	**33	98%
Alliant Reloder-15	<<locked>>	81%	38972	83%	**88	97%
[Alliant Reloder-16]*	<<locked>>	81%	28282	60%	**72	91%
Alliant Reloder-17	<<locked>>	81%	31212	66%	**87	95%
[Alliant Reloder-23]*	<<locked>>	88%	25005	53%	**00	90%
[Alliant Reloder-26]*	<<locked>>	92%	29834	63%	**83	90%
Bofors RP3	<<locked>>	81%	35824	76%	**33	98%
[Bofors RP7]*	<<locked>>	83%	34519	73%	**41	90%
Hodgdon CFE223	<<locked>>	81%	37057	79%	**85	96%
Hodgdon H380	<<locked>>	81%	36680	78%	**36	95%
[Hodgdon H414]*	<<locked>>	82%	33054	70%	**90	90%
[Hodgdon H4350]*	<<locked>>	89%	35128	75%	**83	90%
[Hodgdon Hybrid 100V]*	<<locked>>	81%	25875	55%	**87	92%
[Hodgdon LVR]*	<<locked>>	81%	30487	65%	**21	92%
[Hodgdon Superperformance]*	<<locked>>	87%	35897	76%	**62	90%
Hodgdon VARGET	<<locked>>	81%	36753	78%	**10	96%
IMR 3031	<<locked>>	81%	39334	83%	**92	100%
IMR 4064	<<locked>>	81%	36129	77%	**83	96%
[IMR 4166 Enduron]*	<<locked>>	81%	36361	77%	**54	92%
[IMR 4350]*	<<locked>>	87%	34853	74%	**74	90%
[IMR 4451 Enduron]*	<<locked>>	81%	34171	72%	**34	91%
[IMR 4831]*	<<locked>>	83%	25802	55%	**03	90%
Lovex S062	<<locked>>	81%	38464	82%	**43	99%
[Lovex S065]*	<<locked>>	81%	31531	67%	**92	92%
[Lovex S070]*	<<locked>>	83%	32097	68%	**18	90%
Norma 203B	<<locked>>	81%	38348	81%	**79	98%
[Norma URP]*	<<locked>>	81%	27949	59%	**65	91%
Ramshot Big Game	<<locked>>	81%	37782	80%	**85	97%
[Ramshot Hunter]*	<<locked>>	85%	31111	66%	**47	90%
[ReloadSwiss RS 50]*	<<locked>>	81%	37347	79%	**20	93%
ReloadSwiss RS 60	<<locked>>	81%	33344	71%	**49	99%
[ReloadSwiss RS 62]*	<<locked>>	81%	27485	58%	**82	90%
[ReloadSwiss RS 70]*	<<locked>>	84%	30429	65%	**44	90%
Rottweil R 903	<<locked>>	81%	33547	71%	**80	97%
[Rottweil R 907]*	<<locked>>	83%	34519	73%	**41	90%
SNPE Vectan SP 11	<<locked>>	81%	34650	74%	**20	96%
SNPE Vectan Tubal 5000	<<locked>>	81%	36521	77%	**47	100%
[SNPE Vectan Tubal 7000]*	<<locked>>	83%	32039	68%	**75	90%
[Shooters World Long Rifle]*	<<locked>>	81%	31531	67%	**92	92%
Shooters World Precision	<<locked>>	81%	38464	82%	**43	99%
Somchem S355	<<locked>>	81%	34505	73%	**87	97%
[Somchem S365]*	<<locked>>	81%	25005	53%	**13	93%
[Somchem S385]*	<<locked>>	94%	34664	74%	**16	90%
Vihtavuori N135	<<locked>>	81%	33663	71%	**41	100%
Vihtavuori N150	<<locked>>	81%	29486	63%	**52	97%
[Vihtavuori N160]*	<<locked>>	81%	30458	65%	**01	92%
[Vihtavuori N550]*	<<locked>>	81%	30516	65%	**38	93%
[Vihtavuori N555]*	<<locked>>	87%	25295	54%	**42	90%
[Winchester 6.5 StaBALL]*	<<locked>>	81%	29443	62%	**56	94%
[Winchester 760]*	<<locked>>	82%	33054	70%	**90	90%
[Winchester StaBALL HD]*	<<locked>>	94%	26339	56%	**88	91%

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