Load data for 7 mm Mag Fl. H.& H. + .284 | 139gr | Hornady GMX

Recommended Powder(s): Alliant Reloder- TS 15.5, ReloadSwiss RS 52, ReloadSwiss RS 60, Rottweil R 903, Somchem S365

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.284 \| 139gr \| Hornady GMX
Manufacturer SKU:	28270
Bullet Weight:	139gr \| 9.0g
Bullet Diameter:	0.284" \| 7.21mm
Bullet Length:	1.380" \| 35.1mm
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:	0.669" \| 17.0mm
Shank Seated Depth:	0.549" \| 13.9mm
Case Capacity:	62.0 Grains of Water \| 4.03 cm³
Primer Size:	Large Rifle (LR)
Max. allowed Pressure:	47863 psi \| 3300 bar
LID:	LID_B2626_C1059
Last updated:	2025-01-01
Recommended Twist Rate:	1:9 - 1:8

Load data for 114 loads in caliber 7 mm Mag Fl. H.& H. with .284 | 139gr | Hornady GMX bullet and 57 powders such as Alliant Reloder- TS 15.5, 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.
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>>	87%	42946	90%	**98	97%
[Accurate 2700]*	<<locked>>	88%	42627	89%	**30	92%
Accurate 4064	<<locked>>	86%	42482	89%	**18	100%
Accurate 4350	<<locked>>	96%	42960	90%	**84	97%
Alliant Reloder- TS 15.5 👍	<<locked>>	87%	42192	88%	**18	99%
Alliant Reloder-15	<<locked>>	85%	42380	89%	**28	97%
Alliant Reloder-16	<<locked>>	96%	42946	90%	**97	97%
Alliant Reloder-17	<<locked>>	92%	42946	90%	**23	98%
[Alliant Reloder-23]*	<<locked>>	97%	31604	66%	**51	94%
Hodgdon CFE223	<<locked>>	86%	42438	89%	**61	97%
Hodgdon H380	<<locked>>	87%	42888	90%	**25	96%
[Hodgdon H414]*	<<locked>>	90%	42409	89%	**67	93%
[Hodgdon H4350]*	<<locked>>	96%	42322	88%	**92	92%
Hodgdon Hybrid 100V	<<locked>>	96%	40147	84%	**02	98%
Hodgdon LVR	<<locked>>	93%	42598	89%	**57	96%
[Hodgdon Superperformance]*	<<locked>>	93%	42525	89%	**64	92%
Hodgdon VARGET	<<locked>>	87%	42583	89%	**92	97%
IMR 3031	<<locked>>	84%	42511	89%	**35	100%
IMR 4064	<<locked>>	87%	42496	89%	**85	97%
[IMR 4166 Enduron]*	<<locked>>	87%	42337	88%	**46	93%
[IMR 4350]*	<<locked>>	95%	42583	89%	**02	92%
[IMR 4451 Enduron]*	<<locked>>	89%	42873	90%	**82	93%
IMR 4831	<<locked>>	97%	37855	79%	**66	95%
IMR 4895	<<locked>>	84%	42670	89%	**41	98%
Lovex S062	<<locked>>	85%	42293	88%	**89	99%
Lovex S065	<<locked>>	92%	42351	88%	**85	95%
[Lovex S070]*	<<locked>>	94%	42482	89%	**08	94%
Norma 203B	<<locked>>	85%	42830	89%	**41	98%
Norma URP	<<locked>>	96%	42685	89%	**80	97%
Ramshot Big Game	<<locked>>	85%	42351	88%	**44	98%
[Ramshot Hunter]*	<<locked>>	96%	42975	90%	**84	94%
ReloadSwiss RS 14	<<locked>>	96%	33765	71%	**06	100%
[ReloadSwiss RS 50]*	<<locked>>	86%	42337	88%	**82	94%
ReloadSwiss RS 52 👍	<<locked>>	86%	42351	88%	**71	99%
ReloadSwiss RS 60 👍	<<locked>>	92%	42641	89%	**36	99%
ReloadSwiss RS 62	<<locked>>	96%	42670	89%	**07	96%
ReloadSwiss RS 70	<<locked>>	95%	42598	89%	**97	95%
Rottweil R 902	<<locked>>	84%	42496	89%	**72	99%
Rottweil R 903 👍	<<locked>>	90%	42960	90%	**38	99%
[Rottweil R 907]*	<<locked>>	90%	42293	88%	**69	92%
SNPE Vectan SP 11	<<locked>>	89%	42888	90%	**64	98%
SNPE Vectan Tubal 5000	<<locked>>	87%	42975	90%	**33	100%
[SNPE Vectan Tubal 7000]*	<<locked>>	92%	42322	88%	**43	93%
Shooters World Long Rifle	<<locked>>	92%	42351	88%	**85	95%
Shooters World Precision	<<locked>>	85%	42293	88%	**89	99%
Somchem S355	<<locked>>	89%	42888	90%	**28	98%
Somchem S365 👍	<<locked>>	97%	39523	83%	**54	99%
Vihtavuori N133	<<locked>>	83%	42728	89%	**16	100%
Vihtavuori N135	<<locked>>	90%	42975	90%	**85	100%
Vihtavuori N140	<<locked>>	84%	42931	90%	**79	100%
Vihtavuori N150	<<locked>>	94%	42598	89%	**92	99%
Vihtavuori N160	<<locked>>	93%	42873	90%	**38	96%
Vihtavuori N540	<<locked>>	85%	43062	90%	**05	100%
Vihtavuori N550	<<locked>>	92%	43018	90%	**84	97%
[Vihtavuori N555]*	<<locked>>	96%	33011	69%	**16	94%
Winchester 6.5 StaBALL	<<locked>>	94%	42728	89%	**08	98%
[Winchester 760]*	<<locked>>	90%	42409	89%	**67	93%

Max Load - Barrel Length: 23.60''

Powder	Charge	FR	MaxP	%	V(0)	z
ADI AR 2208	<<locked>>	81%	35737	75%	**51	95%
[Accurate 2700]*	<<locked>>	84%	37797	79%	**28	90%
Accurate 4064	<<locked>>	81%	35940	75%	**84	99%
[Accurate 4350]*	<<locked>>	83%	27398	57%	**26	90%
Alliant Reloder- TS 15.5	<<locked>>	81%	34853	73%	**64	97%
Alliant Reloder-15	<<locked>>	81%	37478	78%	**26	96%
[Alliant Reloder-16]*	<<locked>>	83%	29283	61%	**49	90%
[Alliant Reloder-17]*	<<locked>>	81%	30269	63%	**11	93%
[Alliant Reloder-23]*	<<locked>>	91%	26571	56%	**97	90%
[Hodgdon CFE223]*	<<locked>>	81%	35984	75%	**20	94%
[Hodgdon H380]*	<<locked>>	81%	35462	74%	**67	94%
[Hodgdon H414]*	<<locked>>	85%	35244	74%	**00	90%
[Hodgdon H4350]*	<<locked>>	92%	37565	78%	**93	90%
[Hodgdon Hybrid 100V]*	<<locked>>	81%	24932	52%	**05	90%
[Hodgdon LVR]*	<<locked>>	82%	29921	63%	**62	90%
[Hodgdon Superperformance]*	<<locked>>	90%	38450	80%	**75	90%
Hodgdon VARGET	<<locked>>	81%	35273	74%	**38	95%
IMR 3031	<<locked>>	81%	37898	79%	**46	100%
IMR 4064	<<locked>>	81%	35143	73%	**28	95%
[IMR 4166 Enduron]*	<<locked>>	81%	35244	74%	**88	90%
[IMR 4350]*	<<locked>>	90%	37043	77%	**84	90%
[IMR 4451 Enduron]*	<<locked>>	83%	35723	75%	**28	90%
[IMR 4831]*	<<locked>>	86%	27586	58%	**06	90%
IMR 4895	<<locked>>	81%	38435	80%	**56	97%
Lovex S062	<<locked>>	81%	37463	78%	**87	98%
[Lovex S065]*	<<locked>>	82%	31140	65%	**36	90%
[Lovex S070]*	<<locked>>	87%	34722	73%	**38	90%
Norma 203B	<<locked>>	81%	37014	77%	**16	96%
[Norma URP]*	<<locked>>	82%	28239	59%	**23	90%
Ramshot Big Game	<<locked>>	81%	36579	76%	**30	96%
[Ramshot Hunter]*	<<locked>>	89%	33823	71%	**70	90%
ReloadSwiss RS 14	<<locked>>	91%	31154	65%	**57	100%
[ReloadSwiss RS 50]*	<<locked>>	81%	35795	75%	**41	91%
ReloadSwiss RS 52	<<locked>>	81%	35621	74%	**30	98%
[ReloadSwiss RS 60]*	<<locked>>	81%	29646	62%	**02	94%
[ReloadSwiss RS 62]*	<<locked>>	85%	29457	62%	**82	90%
[ReloadSwiss RS 70]*	<<locked>>	87%	32735	68%	**51	90%
Rottweil R 902	<<locked>>	81%	39001	81%	**00	98%
Rottweil R 903	<<locked>>	81%	32372	68%	**11	96%
[Rottweil R 907]*	<<locked>>	86%	36753	77%	**51	90%
SNPE Vectan SP 11	<<locked>>	81%	33605	70%	**61	95%
SNPE Vectan Tubal 5000	<<locked>>	81%	35389	74%	**85	100%
[SNPE Vectan Tubal 7000]*	<<locked>>	86%	34040	71%	**72	90%
[Shooters World Long Rifle]*	<<locked>>	82%	31140	65%	**36	90%
Shooters World Precision	<<locked>>	81%	37463	78%	**87	98%
Somchem S355	<<locked>>	81%	33417	70%	**21	96%
[Somchem S365]*	<<locked>>	81%	24120	50%	**24	91%
Vihtavuori N133	<<locked>>	81%	40103	84%	**74	100%
Vihtavuori N135	<<locked>>	81%	32401	68%	**79	100%
Vihtavuori N140	<<locked>>	81%	38856	81%	**03	100%
Vihtavuori N150	<<locked>>	81%	28369	59%	**77	95%
[Vihtavuori N160]*	<<locked>>	81%	29457	62%	**29	91%
Vihtavuori N540	<<locked>>	81%	38189	80%	**16	100%
[Vihtavuori N550]*	<<locked>>	81%	29573	62%	**62	91%
[Vihtavuori N555]*	<<locked>>	90%	26789	56%	**36	90%
[Winchester 6.5 StaBALL]*	<<locked>>	81%	28369	59%	**74	93%
[Winchester 760]*	<<locked>>	85%	35244	74%	**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