Load data for 7 mm Mag Fl. H.& H. + .284 | 170gr | Barnes TTSX BT

Recommended Powder(s): Alliant Reloder-16, Alliant Reloder-17, Hodgdon Hybrid 100V, SNPE Vectan SP 11, Somchem S365

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.284 \| 170gr \| Barnes TTSX BT
Manufacturer SKU:	32549
Bullet Weight:	170gr \| 11.0g
Bullet Diameter:	0.284" \| 7.21mm
Bullet Length:	<<locked>>
Caliber:	7 mm Mag Fl. H.& H. load data
Case Length (l3):	2.500" \| 63.5mm
Cartridge Length (C.O.L.):	<<locked>>
Seated Depth:	<<locked>>
Shank Seated Depth:	<<locked>>
Case Capacity:	62.0 Grains of Water \| 4.03 cm³
Primer Size:	Large Rifle (LR)
Max. allowed Pressure:	47863 psi \| 3300 bar
LID:	LID_B12411_C1059
Last updated:	2026-07-02
Recommended Twist Rate:	1:8 - 1:7

Load data for 110 loads in caliber 7 mm Mag Fl. H.& H. with .284 | 170gr | Barnes TTSX BT bullet and 55 powders such as Alliant Reloder-16, Alliant Reloder-17, Hodgdon Hybrid 100V, SNPE Vectan SP 11, 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>>	84%	42699	89%	**39	99%
[ADI AR 2209]*	<<locked>>	96%	42830	89%	**05	93%
Accurate 3100	<<locked>>	97%	35940	75%	**83	95%
Accurate 4064	<<locked>>	83%	42917	90%	**52	100%
Accurate 4350	<<locked>>	92%	42583	89%	**21	98%
Alliant Reloder- TS 15.5	<<locked>>	84%	42670	89%	**69	100%
Alliant Reloder-16 👍	<<locked>>	92%	42801	89%	**41	99%
Alliant Reloder-17 👍	<<locked>>	88%	42743	89%	**70	100%
[Alliant Reloder-19]*	<<locked>>	97%	42540	89%	**11	94%
Alliant Reloder-23	<<locked>>	96%	34737	73%	**13	98%
[Alliant Reloder-25]*	<<locked>>	97%	31285	65%	**15	92%
Alliant Reloder-26	<<locked>>	97%	38653	81%	**51	97%
Bofors RP3	<<locked>>	84%	42134	88%	**69	100%
Bofors RP7	<<locked>>	87%	42598	89%	**36	95%
Hodgdon H380	<<locked>>	84%	42815	89%	**72	98%
Hodgdon H414	<<locked>>	90%	42786	89%	**25	96%
[Hodgdon H4350]*	<<locked>>	87%	42786	89%	**69	94%
Hodgdon Hybrid 100V 👍	<<locked>>	95%	42424	89%	**95	100%
Hodgdon Superformance	<<locked>>	90%	43018	90%	**48	95%
IMR 4350	<<locked>>	91%	42583	89%	**56	95%
IMR 4451 Enduron	<<locked>>	86%	42496	89%	**29	96%
IMR 4831	<<locked>>	93%	42279	88%	**98	98%
Lovex S065	<<locked>>	89%	42641	89%	**46	97%
Lovex S070	<<locked>>	90%	42337	88%	**59	96%
[Lovex S071]*	<<locked>>	96%	29718	62%	**52	92%
[Norma 204]*	<<locked>>	92%	42728	89%	**95	93%
[Norma MRP]*	<<locked>>	97%	38885	81%	**15	94%
Norma URP	<<locked>>	92%	42090	88%	**15	98%
Ramshot Hunter	<<locked>>	92%	42351	88%	**25	97%
ReloadSwiss RS 14	<<locked>>	95%	33808	71%	**16	100%
ReloadSwiss RS 60	<<locked>>	86%	42569	89%	**74	100%
ReloadSwiss RS 62	<<locked>>	92%	43004	90%	**57	98%
ReloadSwiss RS 70	<<locked>>	92%	42656	89%	**64	98%
Rottweil R 903	<<locked>>	86%	42598	89%	**69	100%
[Rottweil R 904]*	<<locked>>	95%	42540	89%	**59	92%
[Rottweil R 905]*	<<locked>>	96%	40727	85%	**85	93%
Rottweil R 907	<<locked>>	87%	42598	89%	**36	95%
SNPE Vectan SP 11 👍	<<locked>>	85%	42322	88%	**98	99%
SNPE Vectan Tubal 5000	<<locked>>	84%	42801	89%	**64	100%
SNPE Vectan Tubal 7000	<<locked>>	89%	42148	88%	**93	96%
[SNPE Vectan Tubal 8000]*	<<locked>>	96%	40379	84%	**79	93%
Shooters World Long Rifle	<<locked>>	89%	42641	89%	**46	97%
Shooters World SW4350	<<locked>>	90%	42337	88%	**59	96%
Somchem S355	<<locked>>	85%	42279	88%	**52	99%
Somchem S365 👍	<<locked>>	95%	43047	90%	**67	100%
Somchem S385	<<locked>>	97%	41495	87%	**79	95%
Vihtavuori N150	<<locked>>	87%	42308	88%	**29	100%
Vihtavuori N160	<<locked>>	91%	42670	89%	**85	98%
[Vihtavuori N165]*	<<locked>>	97%	36042	75%	**54	92%
Vihtavuori N550	<<locked>>	91%	42583	89%	**98	98%
Vihtavuori N555	<<locked>>	97%	37695	79%	**79	98%
Winchester 6.5 StaBALL	<<locked>>	91%	42801	89%	**72	100%
Winchester 760	<<locked>>	90%	42786	89%	**25	96%
Winchester StaBALL HD	<<locked>>	97%	31430	66%	**16	98%
[Winchester Supreme 780]*	<<locked>>	97%	38972	81%	**13	92%

Max Load - Barrel Length: 23.60''

Powder	Charge	FR	MaxP	%	V(0)	z
ADI AR 2208	<<locked>>	81%	39015	82%	**77	98%
[ADI AR 2209]*	<<locked>>	90%	35288	74%	**47	90%
[Accurate 3100]*	<<locked>>	88%	26484	55%	**67	90%
Accurate 4064	<<locked>>	81%	40074	84%	**06	100%
[Accurate 4350]*	<<locked>>	81%	29196	61%	**46	94%
Alliant Reloder- TS 15.5	<<locked>>	81%	39073	82%	**06	99%
[Alliant Reloder-16]*	<<locked>>	81%	30226	63%	**65	94%
Alliant Reloder-17	<<locked>>	81%	33547	70%	**77	98%
[Alliant Reloder-19]*	<<locked>>	90%	34548	72%	**44	90%
[Alliant Reloder-23]*	<<locked>>	81%	21843	46%	**36	90%
[Alliant Reloder-25]*	<<locked>>	94%	28689	60%	**42	90%
[Alliant Reloder-26]*	<<locked>>	85%	26295	55%	**26	90%
Bofors RP3	<<locked>>	81%	38580	81%	**06	99%
[Bofors RP7]*	<<locked>>	81%	34940	73%	**85	92%
Hodgdon H380	<<locked>>	81%	39204	82%	**06	97%
[Hodgdon H414]*	<<locked>>	81%	32213	67%	**05	92%
[Hodgdon H4350]*	<<locked>>	81%	35201	74%	**18	91%
Hodgdon Hybrid 100V	<<locked>>	81%	27862	58%	**83	96%
[Hodgdon Superformance]*	<<locked>>	82%	31981	67%	**01	90%
[IMR 4350]*	<<locked>>	81%	30792	64%	**13	90%
[IMR 4451 Enduron]*	<<locked>>	81%	36608	76%	**21	94%
[IMR 4831]*	<<locked>>	81%	28848	60%	**19	94%
[Lovex S065]*	<<locked>>	81%	33663	70%	**69	94%
[Lovex S070]*	<<locked>>	81%	31966	67%	**46	92%
[Lovex S071]*	<<locked>>	93%	26484	55%	**67	90%
[Norma 204]*	<<locked>>	86%	35099	73%	**41	90%
[Norma MRP]*	<<locked>>	90%	31444	66%	**38	90%
[Norma URP]*	<<locked>>	81%	30081	63%	**59	94%
[Ramshot Hunter]*	<<locked>>	81%	29515	62%	**42	91%
ReloadSwiss RS 14	<<locked>>	91%	31937	67%	**83	100%
ReloadSwiss RS 60	<<locked>>	81%	35694	75%	**39	100%
[ReloadSwiss RS 62]*	<<locked>>	81%	29428	61%	**65	94%
[ReloadSwiss RS 70]*	<<locked>>	81%	29689	62%	**65	92%
Rottweil R 903	<<locked>>	81%	36260	76%	**54	99%
[Rottweil R 904]*	<<locked>>	91%	38203	80%	**74	90%
[Rottweil R 905]*	<<locked>>	90%	33460	70%	**31	90%
[Rottweil R 907]*	<<locked>>	81%	34940	73%	**85	92%
SNPE Vectan SP 11	<<locked>>	81%	37188	78%	**03	98%
SNPE Vectan Tubal 5000	<<locked>>	81%	38972	81%	**05	100%
[SNPE Vectan Tubal 7000]*	<<locked>>	81%	32808	69%	**19	92%
[SNPE Vectan Tubal 8000]*	<<locked>>	91%	33794	71%	**41	90%
[Shooters World Long Rifle]*	<<locked>>	81%	33663	70%	**69	94%
[Shooters World SW4350]*	<<locked>>	81%	31966	67%	**46	92%
Somchem S355	<<locked>>	81%	36970	77%	**60	99%
Somchem S365	<<locked>>	81%	26861	56%	**10	97%
[Somchem S385]*	<<locked>>	88%	31111	65%	**65	90%
Vihtavuori N150	<<locked>>	81%	35389	74%	**05	99%
Vihtavuori N160	<<locked>>	81%	31285	65%	**56	95%
[Vihtavuori N165]*	<<locked>>	94%	33069	69%	**88	90%
[Vihtavuori N550]*	<<locked>>	81%	30676	64%	**59	94%
[Vihtavuori N555]*	<<locked>>	81%	22974	48%	**05	91%
Winchester 6.5 StaBALL	<<locked>>	81%	31212	65%	**39	97%
[Winchester 760]*	<<locked>>	81%	32213	67%	**05	92%
[Winchester StaBALL HD]*	<<locked>>	87%	23032	48%	**21	90%
[Winchester Supreme 780]*	<<locked>>	93%	34809	73%	**24	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