Load data for 7 mm Mag Fl. H.& H. + .284 | 125gr | Lehigh Defense Controlled Chaos

Recommended Powder(s): ReloadSwiss RS 52

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.284 \| 125gr \| Lehigh Defense Controlled Chaos
Manufacturer SKU:
Bullet Weight:	125gr \| 8.1g
Bullet Diameter:	0.284" \| 7.21mm
Bullet Length:	1.260" \| 32.0mm
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:	0.549" \| 13.9mm
Shank Seated Depth:	0.391" \| 9.9mm
Case Capacity:	62.0 Grains of Water \| 4.03 cm³
Primer Size:	Large Rifle (LR)
Max. allowed Pressure:	47863 psi \| 3300 bar
LID:	LID_B11014_C1059
Last updated:	2025-11-04
Recommended Twist Rate:	1:10 - 1:8

Load data for 116 loads in caliber 7 mm Mag Fl. H.& H. with .284 | 125gr | Lehigh Defense Controlled Chaos bullet and 58 powders such as ReloadSwiss RS 52. 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>>	88%	42641	89%	**33	96%
Accurate 4064	<<locked>>	88%	42424	89%	**62	100%
Accurate 4350	<<locked>>	97%	41466	87%	**99	95%
Alliant Reloder- TS 15.5	<<locked>>	89%	42235	88%	**66	98%
Alliant Reloder-15	<<locked>>	87%	42670	89%	**72	96%
Alliant Reloder-16	<<locked>>	97%	42322	88%	**22	95%
Alliant Reloder-17	<<locked>>	93%	42496	89%	**58	97%
Baschieri & Pellagri 107	<<locked>>	84%	43033	90%	**76	96%
Hodgdon CFE223	<<locked>>	87%	42496	89%	**02	96%
Hodgdon H380	<<locked>>	88%	42888	90%	**69	95%
[Hodgdon H414]*	<<locked>>	92%	42946	90%	**12	92%
Hodgdon Hybrid 100V	<<locked>>	97%	38261	80%	**00	96%
[Hodgdon LVR]*	<<locked>>	94%	42279	88%	**92	94%
Hodgdon VARGET	<<locked>>	88%	42163	88%	**23	96%
Hodgdon TrailBoss	<<locked>>	96%	32692	68%	**62	100%
IMR 3031	<<locked>>	86%	42467	89%	**85	100%
IMR 4064	<<locked>>	89%	42569	89%	**30	96%
[IMR 4166 Enduron]*	<<locked>>	89%	42583	89%	**84	92%
[IMR 4451 Enduron]*	<<locked>>	90%	42264	88%	**07	92%
[IMR 4831]*	<<locked>>	97%	35650	74%	**54	93%
IMR 4895	<<locked>>	86%	42873	90%	**99	97%
Lovex D073.6	<<locked>>	84%	42337	88%	**62	99%
Lovex S062	<<locked>>	87%	42221	88%	**33	98%
[Lovex S065]*	<<locked>>	93%	42467	89%	**23	94%
[Lovex S070]*	<<locked>>	95%	42598	89%	**49	92%
Norma 201	<<locked>>	84%	42583	89%	**26	98%
Norma 202	<<locked>>	84%	42554	89%	**40	100%
Norma 203B	<<locked>>	87%	42888	90%	**82	97%
Norma URP	<<locked>>	97%	42003	88%	**08	95%
Ramshot Big Game	<<locked>>	87%	42931	90%	**99	97%
[Ramshot Hunter]*	<<locked>>	97%	41814	87%	**89	93%
ReloadSwiss RS 14	<<locked>>	96%	32982	69%	**04	100%
[ReloadSwiss RS 50]*	<<locked>>	88%	42728	89%	**33	93%
ReloadSwiss RS 52 👍	<<locked>>	88%	42264	88%	**15	99%
ReloadSwiss RS 60	<<locked>>	94%	42351	88%	**61	98%
ReloadSwiss RS 62	<<locked>>	97%	41379	86%	**22	95%
[ReloadSwiss RS 70]*	<<locked>>	97%	42931	90%	**31	94%
Rottweil R 902	<<locked>>	86%	42859	90%	**23	98%
Rottweil R 903	<<locked>>	91%	42395	89%	**76	98%
SNPE Vectan SP 11	<<locked>>	90%	42757	89%	**08	97%
SNPE Vectan SP 9	<<locked>>	84%	42554	89%	**49	97%
SNPE Vectan Tubal 5000	<<locked>>	88%	42235	88%	**57	100%
[SNPE Vectan Tubal 7000]*	<<locked>>	94%	43047	90%	**90	92%
[Shooters World Long Rifle]*	<<locked>>	93%	42467	89%	**23	94%
Shooters World Match Rifle	<<locked>>	84%	42337	88%	**62	99%
Shooters World Precision	<<locked>>	87%	42221	88%	**33	98%
Somchem S341	<<locked>>	83%	42902	90%	**49	97%
Somchem S355	<<locked>>	91%	42859	90%	**66	98%
Somchem S365	<<locked>>	97%	37347	78%	**49	97%
Vihtavuori N133	<<locked>>	84%	42308	88%	**57	100%
Vihtavuori N135	<<locked>>	92%	43062	90%	**40	100%
Vihtavuori N140	<<locked>>	86%	42946	90%	**26	100%
Vihtavuori N150	<<locked>>	96%	42931	90%	**49	99%
Vihtavuori N160	<<locked>>	94%	43033	90%	**76	95%
Vihtavuori N540	<<locked>>	86%	42627	89%	**40	100%
Vihtavuori N550	<<locked>>	94%	42424	89%	**15	95%
Winchester 6.5 StaBALL	<<locked>>	95%	42815	89%	**46	97%
[Winchester 760]*	<<locked>>	92%	42946	90%	**12	92%

Max Load - Barrel Length: 23.60''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AR 2208]*	<<locked>>	81%	34127	71%	**43	93%
Accurate 4064	<<locked>>	81%	33779	71%	**79	99%
[Accurate 4350]*	<<locked>>	88%	30342	63%	**33	90%
Alliant Reloder- TS 15.5	<<locked>>	81%	32967	69%	**59	95%
[Alliant Reloder-15]*	<<locked>>	81%	35621	74%	**15	94%
[Alliant Reloder-16]*	<<locked>>	87%	31589	66%	**36	90%
[Alliant Reloder-17]*	<<locked>>	81%	28689	60%	**87	91%
Baschieri & Pellagri 107	<<locked>>	81%	38870	81%	**94	95%
[Hodgdon CFE223]*	<<locked>>	81%	34272	72%	**08	92%
[Hodgdon H380]*	<<locked>>	81%	33649	70%	**56	91%
[Hodgdon H414]*	<<locked>>	89%	38740	81%	**13	90%
[Hodgdon Hybrid 100V]*	<<locked>>	86%	27195	57%	**88	90%
[Hodgdon LVR]*	<<locked>>	86%	32576	68%	**59	90%
[Hodgdon VARGET]*	<<locked>>	81%	33707	70%	**33	93%
Hodgdon TrailBoss	<<locked>>	84%	27644	58%	**57	100%
IMR 3031	<<locked>>	81%	35592	74%	**44	100%
[IMR 4064]*	<<locked>>	81%	33214	69%	**13	93%
[IMR 4166 Enduron]*	<<locked>>	86%	38537	81%	**92	90%
[IMR 4451 Enduron]*	<<locked>>	88%	39117	82%	**35	90%
[IMR 4831]*	<<locked>>	91%	30211	63%	**07	90%
IMR 4895	<<locked>>	81%	36361	76%	**51	95%
Lovex D073.6	<<locked>>	81%	38232	80%	**74	99%
Lovex S062	<<locked>>	81%	35172	73%	**79	96%
[Lovex S065]*	<<locked>>	86%	34142	71%	**36	90%
[Lovex S070]*	<<locked>>	91%	37202	78%	**31	90%
Norma 201	<<locked>>	81%	39378	82%	**61	97%
Norma 202	<<locked>>	81%	39088	82%	**67	99%
Norma 203B	<<locked>>	81%	35012	73%	**12	95%
[Norma URP]*	<<locked>>	87%	31038	65%	**33	90%
[Ramshot Big Game]*	<<locked>>	81%	34519	72%	**08	94%
[Ramshot Hunter]*	<<locked>>	93%	36419	76%	**61	90%
ReloadSwiss RS 14	<<locked>>	81%	26469	55%	**60	100%
[ReloadSwiss RS 50]*	<<locked>>	83%	36492	76%	**92	90%
ReloadSwiss RS 52	<<locked>>	81%	33634	70%	**18	96%
[ReloadSwiss RS 60]*	<<locked>>	81%	28007	59%	**57	91%
[ReloadSwiss RS 62]*	<<locked>>	89%	31923	67%	**82	90%
[ReloadSwiss RS 70]*	<<locked>>	92%	35969	75%	**57	90%
Rottweil R 902	<<locked>>	81%	37275	78%	**08	97%
[Rottweil R 903]*	<<locked>>	81%	30284	63%	**90	93%
[SNPE Vectan SP 11]*	<<locked>>	81%	31778	66%	**39	93%
SNPE Vectan SP 9	<<locked>>	81%	38609	81%	**67	96%
SNPE Vectan Tubal 5000	<<locked>>	81%	33446	70%	**80	99%
[SNPE Vectan Tubal 7000]*	<<locked>>	90%	37710	79%	**85	90%
[Shooters World Long Rifle]*	<<locked>>	86%	34142	71%	**36	90%
Shooters World Match Rifle	<<locked>>	81%	38232	80%	**74	99%
Shooters World Precision	<<locked>>	81%	35172	73%	**79	96%
Somchem S341	<<locked>>	81%	39682	83%	**80	96%
[Somchem S355]*	<<locked>>	81%	31691	66%	**07	94%
[Somchem S365]*	<<locked>>	84%	25164	53%	**75	90%
Vihtavuori N133	<<locked>>	81%	38087	80%	**79	100%
Vihtavuori N135	<<locked>>	81%	30458	64%	**67	99%
Vihtavuori N140	<<locked>>	81%	36463	76%	**95	99%
[Vihtavuori N150]*	<<locked>>	81%	26643	56%	**52	93%
[Vihtavuori N160]*	<<locked>>	85%	31053	65%	**90	90%
Vihtavuori N540	<<locked>>	81%	36143	76%	**05	99%
[Vihtavuori N550]*	<<locked>>	84%	30763	64%	**26	90%
[Winchester 6.5 StaBALL]*	<<locked>>	81%	27108	57%	**46	90%
[Winchester 760]*	<<locked>>	89%	38740	81%	**13	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