Load data for 7 mm Mag Fl. H.& H. + .284 | 150gr | Barnes X S

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

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.284 \| 150gr \| Barnes X S
Manufacturer SKU:	28427
Bullet Weight:	150gr \| 9.7g
Bullet Diameter:	0.284" \| 7.21mm
Bullet Length:	1.310" \| 33.3mm
Caliber:	7 mm Mag Fl. H.& H. load data
Case Length (l3):	2.500" \| 63.5mm
Cartridge Length (C.O.L.):	3.211" \| 81.6mm
Seated Depth:	0.599" \| 15.2mm
Shank Seated Depth:	0.599" \| 15.2mm
Case Capacity:	62.0 Grains of Water \| 4.03 cm³
Primer Size:	Large Rifle (LR)
Max. allowed Pressure:	47863 psi \| 3300 bar
LID:	LID_B574_C1059
Last updated:	2025-01-01

Load data for 82 loads in caliber 7 mm Mag Fl. H.& H. with .284 | 150gr | Barnes X S bullet and 41 powders such as Alliant Reloder-17, 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 2209]*	<<locked>>	94%	42467	89%	**39	92%
Accurate 3100	<<locked>>	96%	39697	83%	**93	95%
Accurate 4350	<<locked>>	89%	42453	89%	**62	98%
Alliant Reloder-16	<<locked>>	90%	42815	89%	**92	98%
Alliant Reloder-17 👍	<<locked>>	86%	42569	89%	**15	99%
[Alliant Reloder-19]*	<<locked>>	95%	42772	89%	**56	92%
Alliant Reloder-23	<<locked>>	97%	38363	80%	**23	98%
[Alliant Reloder-25]*	<<locked>>	97%	34519	72%	**18	92%
Alliant Reloder-26	<<locked>>	97%	41887	88%	**54	97%
Hodgdon H414	<<locked>>	85%	43004	90%	**72	95%
[Hodgdon H4350]*	<<locked>>	91%	42612	89%	**03	94%
Hodgdon Hybrid 100V	<<locked>>	92%	42235	88%	**39	99%
Hodgdon LVR	<<locked>>	87%	42656	89%	**56	97%
[Hodgdon Superperformance]*	<<locked>>	88%	42670	89%	**82	94%
[IMR 4350]*	<<locked>>	89%	42641	89%	**00	94%
[IMR 4451 Enduron]*	<<locked>>	84%	42250	88%	**70	94%
IMR 4831	<<locked>>	94%	42511	89%	**52	98%
Lovex S065	<<locked>>	86%	42264	88%	**77	96%
Lovex S070	<<locked>>	87%	42612	89%	**00	95%
[Lovex S071]*	<<locked>>	97%	34113	71%	**72	93%
[Norma 204]*	<<locked>>	90%	42815	89%	**33	92%
[Norma MRP]*	<<locked>>	96%	41669	87%	**05	94%
Norma URP	<<locked>>	89%	42583	89%	**62	97%
Ramshot Hunter	<<locked>>	90%	42772	89%	**79	96%
ReloadSwiss RS 60 👍	<<locked>>	87%	42975	90%	**38	100%
ReloadSwiss RS 62	<<locked>>	90%	42699	89%	**95	97%
ReloadSwiss RS 70	<<locked>>	90%	42685	89%	**02	97%
[Rottweil R 905]*	<<locked>>	95%	42496	89%	**56	92%
[Rottweil R 907]*	<<locked>>	85%	42641	89%	**77	94%
[SNPE Vectan Tubal 7000]*	<<locked>>	86%	42090	88%	**34	94%
Shooters World Long Rifle	<<locked>>	86%	42264	88%	**77	96%
Somchem S365 👍	<<locked>>	92%	42424	89%	**05	100%
[Somchem S385]*	<<locked>>	95%	42844	90%	**43	94%
Vihtavuori N135	<<locked>>	83%	42163	88%	**48	100%
Vihtavuori N150	<<locked>>	88%	43004	90%	**87	100%
Vihtavuori N160	<<locked>>	87%	42598	89%	**26	97%
Vihtavuori N550	<<locked>>	86%	42163	88%	**49	97%
Vihtavuori N555	<<locked>>	97%	41858	87%	**98	98%
Winchester 6.5 StaBALL	<<locked>>	88%	42511	89%	**13	99%
Winchester 760	<<locked>>	85%	43004	90%	**72	95%
Winchester StaBALL HD	<<locked>>	96%	34577	72%	**16	98%

Max Load - Barrel Length: 23.60''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AR 2209]*	<<locked>>	91%	39624	83%	**74	90%
[Accurate 3100]*	<<locked>>	86%	29559	62%	**51	90%
Accurate 4350	<<locked>>	81%	33779	71%	**79	95%
[Alliant Reloder-16]*	<<locked>>	81%	33156	69%	**65	94%
Alliant Reloder-17	<<locked>>	81%	36622	77%	**80	98%
[Alliant Reloder-19]*	<<locked>>	90%	37927	79%	**48	90%
[Alliant Reloder-23]*	<<locked>>	81%	25266	53%	**52	91%
[Alliant Reloder-25]*	<<locked>>	93%	31328	65%	**26	90%
[Alliant Reloder-26]*	<<locked>>	85%	29109	61%	**20	90%
[Hodgdon H414]*	<<locked>>	81%	37681	79%	**57	93%
[Hodgdon H4350]*	<<locked>>	83%	34229	72%	**13	90%
Hodgdon Hybrid 100V	<<locked>>	81%	30734	64%	**77	96%
Hodgdon LVR	<<locked>>	81%	35969	75%	**11	95%
[Hodgdon Superperformance]*	<<locked>>	82%	34983	73%	**98	90%
[IMR 4350]*	<<locked>>	81%	33823	71%	**06	90%
[IMR 4451 Enduron]*	<<locked>>	81%	39378	82%	**08	93%
[IMR 4831]*	<<locked>>	81%	29704	62%	**57	93%
[Lovex S065]*	<<locked>>	81%	37173	78%	**69	94%
[Lovex S070]*	<<locked>>	81%	35404	74%	**49	92%
[Lovex S071]*	<<locked>>	91%	29559	62%	**51	90%
[Norma 204]*	<<locked>>	86%	38566	81%	**48	90%
[Norma MRP]*	<<locked>>	90%	34185	71%	**31	90%
[Norma URP]*	<<locked>>	81%	33373	70%	**62	94%
[Ramshot Hunter]*	<<locked>>	81%	32634	68%	**36	91%
ReloadSwiss RS 60	<<locked>>	81%	35621	74%	**74	98%
[ReloadSwiss RS 62]*	<<locked>>	81%	32808	69%	**72	94%
[ReloadSwiss RS 70]*	<<locked>>	81%	32677	68%	**59	92%
[Rottweil R 905]*	<<locked>>	91%	37333	78%	**51	90%
[Rottweil R 907]*	<<locked>>	81%	38363	80%	**82	92%
[SNPE Vectan Tubal 7000]*	<<locked>>	81%	36361	76%	**16	92%
[Shooters World Long Rifle]*	<<locked>>	81%	37173	78%	**69	94%
Somchem S365	<<locked>>	81%	30197	63%	**16	97%
[Somchem S385]*	<<locked>>	87%	34156	71%	**56	90%
Vihtavuori N135	<<locked>>	81%	39856	83%	**05	100%
Vihtavuori N150	<<locked>>	81%	34882	73%	**26	99%
Vihtavuori N160	<<locked>>	81%	35853	75%	**85	95%
Vihtavuori N550	<<locked>>	81%	36390	76%	**28	95%
[Vihtavuori N555]*	<<locked>>	81%	26948	56%	**31	92%
Winchester 6.5 StaBALL	<<locked>>	81%	34316	72%	**36	97%
[Winchester 760]*	<<locked>>	81%	37681	79%	**57	93%
[Winchester StaBALL HD]*	<<locked>>	85%	25396	53%	**05	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