Load data for .375 Fl. Mag. N.E. + .375 | 270gr | Brenneke TOG

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 \| Brenneke TOG
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:	0.392" \| 10.0mm
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_B1190_C541
Last updated:	2025-02-02
Recommended Twist Rate:	1:19 - 1:16

Load data for 112 loads in caliber .375 Fl. Mag. N.E. with .375 | 270gr | Brenneke TOG bullet and 56 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".

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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>>	86%	42293	90%	**05	98%
[Accurate 2700]*	<<locked>>	88%	42250	90%	**43	92%
Accurate 4064	<<locked>>	86%	41959	89%	**18	100%
Accurate 4350	<<locked>>	95%	42163	89%	**87	97%
Alliant Reloder- TS 15.5 👍	<<locked>>	87%	42293	90%	**34	99%
Alliant Reloder-15	<<locked>>	84%	41887	89%	**28	98%
Alliant Reloder-16	<<locked>>	95%	42337	90%	**00	97%
Alliant Reloder-17 👍	<<locked>>	91%	42293	90%	**30	99%
Alliant Reloder-23	<<locked>>	97%	31415	67%	**80	95%
[Alliant Reloder-26]*	<<locked>>	97%	34258	73%	**95	93%
Hodgdon CFE223	<<locked>>	85%	41989	89%	**70	97%
Hodgdon H380	<<locked>>	86%	42105	89%	**31	96%
[Hodgdon H414]*	<<locked>>	90%	42395	90%	**77	94%
[Hodgdon H4350]*	<<locked>>	96%	41800	89%	**05	93%
Hodgdon Hybrid 100V	<<locked>>	97%	40988	87%	**38	98%
Hodgdon LVR	<<locked>>	92%	42322	90%	**74	96%
[Hodgdon Superperformance]*	<<locked>>	93%	42105	89%	**84	93%
Hodgdon VARGET	<<locked>>	87%	42424	90%	**05	98%
IMR 3031	<<locked>>	84%	42061	89%	**31	100%
IMR 4064	<<locked>>	87%	42206	90%	**98	98%
[IMR 4166 Enduron]*	<<locked>>	87%	41989	89%	**59	94%
[IMR 4350]*	<<locked>>	94%	41814	89%	**05	93%
[IMR 4451 Enduron]*	<<locked>>	89%	42177	89%	**88	93%
IMR 4831	<<locked>>	97%	38014	81%	**92	96%
IMR 4895	<<locked>>	84%	42235	90%	**48	98%
Lovex S062	<<locked>>	85%	41872	89%	**02	99%
Lovex S065	<<locked>>	91%	41959	89%	**98	95%
[Lovex S070]*	<<locked>>	93%	42337	90%	**21	94%
Norma 203B	<<locked>>	85%	42351	90%	**44	98%
Norma URP	<<locked>>	95%	42206	90%	**84	97%
Ramshot Big Game	<<locked>>	85%	41930	89%	**57	98%
Ramshot Hunter	<<locked>>	96%	42250	90%	**80	95%
[ReloadSwiss RS 50]*	<<locked>>	86%	41887	89%	**95	94%
ReloadSwiss RS 52 👍	<<locked>>	86%	42337	90%	**84	100%
ReloadSwiss RS 60 👍	<<locked>>	92%	42177	89%	**43	99%
ReloadSwiss RS 62	<<locked>>	95%	42090	89%	**13	97%
ReloadSwiss RS 70	<<locked>>	95%	41945	89%	**03	96%
Rottweil R 902	<<locked>>	84%	42424	90%	**88	99%
Rottweil R 903	<<locked>>	89%	42003	89%	**34	99%
[Rottweil R 907]*	<<locked>>	90%	42250	90%	**85	93%
SNPE Vectan SP 11	<<locked>>	88%	42018	89%	**64	98%
SNPE Vectan Tubal 5000	<<locked>>	87%	42235	90%	**33	100%
[SNPE Vectan Tubal 7000]*	<<locked>>	92%	42293	90%	**65	94%
Shooters World Long Rifle	<<locked>>	91%	41959	89%	**98	95%
Shooters World Precision	<<locked>>	85%	41872	89%	**02	99%
Somchem S355	<<locked>>	88%	42105	89%	**31	99%
Somchem S365 👍	<<locked>>	97%	39929	85%	**80	99%
Vihtavuori N135	<<locked>>	90%	42322	90%	**85	100%
Vihtavuori N140	<<locked>>	84%	42264	90%	**82	100%
Vihtavuori N150	<<locked>>	94%	42105	89%	**05	99%
Vihtavuori N160	<<locked>>	92%	42221	90%	**48	97%
Vihtavuori N540	<<locked>>	84%	42366	90%	**08	100%
Vihtavuori N550	<<locked>>	92%	41916	89%	**77	97%
Vihtavuori N555	<<locked>>	97%	33098	70%	**49	95%
Winchester 6.5 StaBALL	<<locked>>	93%	42090	89%	**21	99%
[Winchester 760]*	<<locked>>	90%	42395	90%	**77	94%

Max Load - Barrel Length: 23.60''

Powder	Charge	FR	MaxP	%	V(0)	z
ADI AR 2208	<<locked>>	81%	35665	76%	**70	96%
[Accurate 2700]*	<<locked>>	83%	36448	77%	**34	90%
Accurate 4064	<<locked>>	81%	35766	76%	**06	100%
[Accurate 4350]*	<<locked>>	81%	26150	55%	**26	90%
Alliant Reloder- TS 15.5	<<locked>>	81%	35128	75%	**97	97%
Alliant Reloder-15	<<locked>>	81%	37739	80%	**46	97%
[Alliant Reloder-16]*	<<locked>>	81%	27847	59%	**46	90%
[Alliant Reloder-17]*	<<locked>>	81%	30313	64%	**54	94%
[Alliant Reloder-23]*	<<locked>>	89%	25237	54%	**96	90%
[Alliant Reloder-26]*	<<locked>>	93%	30545	65%	**90	90%
Hodgdon CFE223	<<locked>>	81%	35897	76%	**49	95%
[Hodgdon H380]*	<<locked>>	81%	35607	76%	**97	94%
[Hodgdon H414]*	<<locked>>	83%	33707	71%	**90	90%
[Hodgdon H4350]*	<<locked>>	91%	36042	76%	**90	90%
[Hodgdon Hybrid 100V]*	<<locked>>	81%	24947	53%	**51	91%
[Hodgdon LVR]*	<<locked>>	81%	29530	63%	**85	91%
[Hodgdon Superperformance]*	<<locked>>	89%	37159	79%	**79	90%
Hodgdon VARGET	<<locked>>	81%	35549	75%	**70	96%
IMR 3031	<<locked>>	81%	38043	81%	**62	100%
IMR 4064	<<locked>>	81%	35186	75%	**54	96%
[IMR 4166 Enduron]*	<<locked>>	81%	35215	75%	**15	91%
[IMR 4350]*	<<locked>>	89%	35737	76%	**80	90%
[IMR 4451 Enduron]*	<<locked>>	82%	34026	72%	**18	90%
[IMR 4831]*	<<locked>>	85%	26208	56%	**06	90%
IMR 4895	<<locked>>	81%	38551	82%	**79	97%
Lovex S062	<<locked>>	81%	37144	79%	**13	98%
[Lovex S065]*	<<locked>>	81%	30458	65%	**52	91%
[Lovex S070]*	<<locked>>	85%	32793	70%	**24	90%
Norma 203B	<<locked>>	81%	37115	79%	**43	97%
[Norma URP]*	<<locked>>	81%	27108	57%	**29	90%
Ramshot Big Game	<<locked>>	81%	36622	78%	**49	97%
[Ramshot Hunter]*	<<locked>>	87%	31952	68%	**57	90%
[ReloadSwiss RS 50]*	<<locked>>	81%	36158	77%	**80	92%
ReloadSwiss RS 52	<<locked>>	81%	35607	76%	**46	98%
ReloadSwiss RS 60	<<locked>>	81%	29559	63%	**31	95%
[ReloadSwiss RS 62]*	<<locked>>	83%	27847	59%	**82	90%
[ReloadSwiss RS 70]*	<<locked>>	86%	31096	66%	**47	90%
Rottweil R 902	<<locked>>	81%	39291	83%	**29	99%
Rottweil R 903	<<locked>>	81%	32314	69%	**44	96%
[Rottweil R 907]*	<<locked>>	84%	35215	75%	**47	90%
SNPE Vectan SP 11	<<locked>>	81%	33460	71%	**87	95%
SNPE Vectan Tubal 5000	<<locked>>	81%	35534	75%	**15	100%
[SNPE Vectan Tubal 7000]*	<<locked>>	84%	32619	69%	**82	90%
[Shooters World Long Rifle]*	<<locked>>	81%	30458	65%	**52	91%
Shooters World Precision	<<locked>>	81%	37144	79%	**13	98%
Somchem S355	<<locked>>	81%	33272	71%	**51	96%
[Somchem S365]*	<<locked>>	81%	24178	51%	**80	92%
Vihtavuori N135	<<locked>>	81%	32460	69%	**08	100%
Vihtavuori N140	<<locked>>	81%	38464	82%	**16	100%
Vihtavuori N150	<<locked>>	81%	28500	60%	**19	96%
[Vihtavuori N160]*	<<locked>>	81%	29240	62%	**59	91%
Vihtavuori N540	<<locked>>	81%	38116	81%	**33	100%
[Vihtavuori N550]*	<<locked>>	81%	29573	63%	**01	92%
[Vihtavuori N555]*	<<locked>>	88%	25556	54%	**39	90%
[Winchester 6.5 StaBALL]*	<<locked>>	81%	28384	60%	**16	94%
[Winchester 760]*	<<locked>>	83%	33707	71%	**90	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