Load data for 7 mm Mag Fl. H.& H. + .284 | 150gr Hornady ECX

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:	.284 \| 150gr Hornady ECX
Manufacturer SKU:	28214
Bullet Weight:	150gr \| 9.7g
Bullet Diameter:	0.284" \| 7.21mm
Bullet Length:	1.320" \| 33.5mm
Caliber:	7 mm Mag Fl. H.& H. load data
Case Length (l3):	2.500" \| 63.5mm
Cartridge Length (C.O.L.):	2.934" \| 74.5mm
Seated Depth:	0.886" \| 22.5mm
Shank Seated Depth:	0.886" \| 22.5mm
Case Capacity:	62.0 Grains of Water \| 4.03 cm³
Primer Size:	Large Rifle (LR)
Max. allowed Pressure:	47863 psi \| 3300 bar
LID:	LID_B1385_C1059
Last updated:	2025-01-01

Load data for 116 loads in caliber 7 mm Mag Fl. H.& H. with .284 | 150gr Hornady ECX bullet and 58 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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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>>	87%	42250	88%	**67	97%
[Accurate 2700]*	<<locked>>	88%	42163	88%	**05	92%
Accurate 4064	<<locked>>	87%	42148	88%	**90	100%
Accurate 4350	<<locked>>	96%	42888	90%	**66	97%
Alliant Reloder- TS 15.5	<<locked>>	88%	42438	89%	**07	99%
Alliant Reloder-15	<<locked>>	85%	42279	88%	**00	98%
Alliant Reloder-16	<<locked>>	96%	42685	89%	**66	97%
Alliant Reloder-17 👍	<<locked>>	92%	42540	89%	**95	99%
[Alliant Reloder-23]*	<<locked>>	97%	30835	64%	**23	94%
[Alliant Reloder-26]*	<<locked>>	97%	33533	70%	**31	92%
Hodgdon CFE223	<<locked>>	87%	42960	90%	**56	97%
Hodgdon H380	<<locked>>	87%	42656	89%	**03	96%
[Hodgdon H414]*	<<locked>>	91%	42685	89%	**52	94%
[Hodgdon H4350]*	<<locked>>	97%	42206	88%	**77	93%
Hodgdon Hybrid 100V	<<locked>>	97%	40277	84%	**90	98%
Hodgdon LVR	<<locked>>	93%	42206	88%	**33	96%
[Hodgdon Superperformance]*	<<locked>>	94%	43047	90%	**62	93%
Hodgdon VARGET	<<locked>>	88%	42801	89%	**80	98%
IMR 3031	<<locked>>	85%	42047	88%	**03	100%
IMR 4064	<<locked>>	88%	42496	89%	**67	98%
[IMR 4166 Enduron]*	<<locked>>	88%	42656	89%	**31	94%
[IMR 4350]*	<<locked>>	95%	42627	89%	**80	93%
[IMR 4451 Enduron]*	<<locked>>	90%	42757	89%	**64	94%
IMR 4831	<<locked>>	96%	36912	77%	**38	96%
IMR 4895	<<locked>>	84%	42453	89%	**20	98%
Lovex S062	<<locked>>	86%	42960	90%	**84	99%
Lovex S065	<<locked>>	92%	42699	89%	**77	95%
[Lovex S070]*	<<locked>>	94%	42264	88%	**87	94%
Norma 203B	<<locked>>	86%	42496	89%	**10	98%
Norma URP	<<locked>>	96%	42569	89%	**56	97%
Ramshot Big Game	<<locked>>	86%	43062	90%	**46	98%
Ramshot Hunter	<<locked>>	97%	42873	90%	**62	95%
[ReloadSwiss RS 50]*	<<locked>>	86%	42612	89%	**74	94%
ReloadSwiss RS 52 👍	<<locked>>	86%	42090	88%	**43	99%
ReloadSwiss RS 60 👍	<<locked>>	92%	42177	88%	**05	99%
ReloadSwiss RS 62	<<locked>>	97%	42931	90%	**89	97%
ReloadSwiss RS 70	<<locked>>	96%	42670	89%	**82	96%
Rottweil R 902	<<locked>>	84%	42221	88%	**51	99%
Rottweil R 903 👍	<<locked>>	90%	42047	88%	**03	99%
[Rottweil R 907]*	<<locked>>	91%	42685	89%	**61	93%
SNPE Vectan SP 11	<<locked>>	89%	42888	90%	**46	98%
SNPE Vectan SP 9	<<locked>>	83%	42830	89%	**93	98%
SNPE Vectan Tubal 5000	<<locked>>	88%	42960	90%	**11	100%
[SNPE Vectan Tubal 7000]*	<<locked>>	93%	42960	90%	**41	94%
Shooters World Long Rifle	<<locked>>	92%	42699	89%	**77	95%
Shooters World Precision	<<locked>>	86%	42960	90%	**84	99%
Somchem S355	<<locked>>	89%	42989	90%	**10	99%
Somchem S365 👍	<<locked>>	96%	38711	81%	**26	99%
Vihtavuori N133	<<locked>>	83%	42656	89%	**95	100%
Vihtavuori N135	<<locked>>	90%	42540	89%	**54	100%
Vihtavuori N140	<<locked>>	85%	42685	89%	**51	100%
Vihtavuori N150	<<locked>>	95%	43076	90%	**84	99%
Vihtavuori N160	<<locked>>	93%	42192	88%	**10	97%
Vihtavuori N540	<<locked>>	85%	42946	90%	**80	100%
Vihtavuori N550	<<locked>>	92%	42293	88%	**49	97%
[Vihtavuori N555]*	<<locked>>	97%	32634	68%	**02	94%
Winchester 6.5 StaBALL	<<locked>>	94%	42859	90%	**93	99%
[Winchester 760]*	<<locked>>	91%	42685	89%	**52	94%

Max Load - Barrel Length: 23.60''

Powder	Charge	FR	MaxP	%	V(0)	z
ADI AR 2208	<<locked>>	81%	35491	74%	**29	95%
[Accurate 2700]*	<<locked>>	84%	36985	77%	**03	90%
Accurate 4064	<<locked>>	81%	35273	74%	**59	100%
[Accurate 4350]*	<<locked>>	82%	26556	55%	**95	90%
Alliant Reloder- TS 15.5	<<locked>>	81%	34693	72%	**49	97%
Alliant Reloder-15	<<locked>>	81%	36985	77%	**02	96%
[Alliant Reloder-16]*	<<locked>>	82%	28282	59%	**18	90%
[Alliant Reloder-17]*	<<locked>>	81%	29936	63%	**97	94%
[Alliant Reloder-23]*	<<locked>>	90%	25498	53%	**59	90%
[Alliant Reloder-26]*	<<locked>>	94%	30690	64%	**59	90%
Hodgdon CFE223	<<locked>>	81%	35375	74%	**98	95%
[Hodgdon H380]*	<<locked>>	81%	34853	73%	**43	94%
[Hodgdon H414]*	<<locked>>	84%	34330	72%	**69	90%
[Hodgdon H4350]*	<<locked>>	92%	36274	76%	**52	90%
[Hodgdon Hybrid 100V]*	<<locked>>	81%	24642	51%	**96	91%
[Hodgdon LVR]*	<<locked>>	81%	29066	61%	**28	90%
[Hodgdon Superperformance]*	<<locked>>	90%	37797	79%	**51	90%
Hodgdon VARGET	<<locked>>	81%	35114	73%	**20	95%
IMR 3031	<<locked>>	81%	37420	78%	**18	100%
IMR 4064	<<locked>>	81%	34766	73%	**06	95%
[IMR 4166 Enduron]*	<<locked>>	81%	35027	73%	**74	91%
[IMR 4350]*	<<locked>>	89%	35810	75%	**43	90%
[IMR 4451 Enduron]*	<<locked>>	83%	34330	72%	**83	90%
[IMR 4831]*	<<locked>>	86%	26426	55%	**72	90%
IMR 4895	<<locked>>	81%	37913	79%	**31	97%
Lovex S062	<<locked>>	81%	36680	77%	**62	98%
[Lovex S065]*	<<locked>>	81%	30110	63%	**01	90%
[Lovex S070]*	<<locked>>	86%	33185	69%	**97	90%
Norma 203B	<<locked>>	81%	36506	76%	**92	97%
[Norma URP]*	<<locked>>	82%	27267	57%	**92	90%
Ramshot Big Game	<<locked>>	81%	36201	76%	**02	96%
[Ramshot Hunter]*	<<locked>>	88%	32430	68%	**26	90%
[ReloadSwiss RS 50]*	<<locked>>	81%	35650	74%	**29	92%
ReloadSwiss RS 52	<<locked>>	81%	35128	73%	**05	98%
[ReloadSwiss RS 60]*	<<locked>>	81%	29211	61%	**80	94%
[ReloadSwiss RS 62]*	<<locked>>	84%	28311	59%	**51	90%
[ReloadSwiss RS 70]*	<<locked>>	86%	31560	66%	**13	90%
Rottweil R 902	<<locked>>	81%	38783	81%	**82	98%
Rottweil R 903	<<locked>>	81%	31923	67%	**90	96%
[Rottweil R 907]*	<<locked>>	85%	35694	75%	**20	90%
SNPE Vectan SP 11	<<locked>>	81%	33054	69%	**36	95%
SNPE Vectan SP 9	<<locked>>	81%	39972	84%	**41	98%
SNPE Vectan Tubal 5000	<<locked>>	81%	35012	73%	**67	100%
[SNPE Vectan Tubal 7000]*	<<locked>>	85%	33156	69%	**51	90%
[Shooters World Long Rifle]*	<<locked>>	81%	30110	63%	**01	90%
Shooters World Precision	<<locked>>	81%	36680	77%	**62	98%
Somchem S355	<<locked>>	81%	32851	69%	**03	96%
[Somchem S365]*	<<locked>>	81%	23859	50%	**23	92%
Vihtavuori N133	<<locked>>	81%	39885	83%	**49	100%
Vihtavuori N135	<<locked>>	81%	32198	67%	**60	100%
Vihtavuori N140	<<locked>>	81%	38159	80%	**72	100%
Vihtavuori N150	<<locked>>	81%	27978	58%	**65	96%
[Vihtavuori N160]*	<<locked>>	81%	28964	61%	**11	91%
Vihtavuori N540	<<locked>>	81%	37826	79%	**88	100%
[Vihtavuori N550]*	<<locked>>	81%	28921	60%	**41	91%
[Vihtavuori N555]*	<<locked>>	89%	25686	54%	**05	90%
[Winchester 6.5 StaBALL]*	<<locked>>	81%	28181	59%	**69	93%
[Winchester 760]*	<<locked>>	84%	34330	72%	**69	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.