Load data for .350 Mag. Rigby + .357 | 158gr | H&N KS HS

Recommended Powder(s): Accurate 2495, Hodgdon H322, IMR 3031

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.357 \| 158gr \| H&N KS HS
Bullet Weight:	158gr \| 10.2g
Bullet Diameter:	0.357" \| 9.07mm
Bullet Length:	0.667" \| 16.9mm
Caliber:	.350 Mag. Rigby load data
Case Length (l3):	2.750" \| 69.8mm
Cartridge Length (C.O.L.):	3.275" \| 83.2mm
Seated Depth:	0.142" \| 3.6mm
Shank Seated Depth:	0.122" \| 3.1mm
Case Capacity:	91.1 Grains of Water \| 5.92 cm³
Primer Size:	Large Rifle Magnum (LRM)
Max. allowed Pressure:	44962 psi \| 3100 bar
LID:	LID_B7478_C501
Last updated:	2025-01-01

Load data for 114 loads in caliber .350 Mag. Rigby with .357 | 158gr | H&N KS HS bullet and 57 powders such as Accurate 2495, Hodgdon H322, IMR 3031. 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 2206H]*	<<locked>>	89%	39987	89%	**95	93%
[ADI AR 2208]*	<<locked>>	94%	40248	90%	**69	92%
Accurate 2015	<<locked>>	85%	40393	90%	**66	100%
[Accurate 2230]*	<<locked>>	83%	39958	89%	**53	94%
Accurate 2460	<<locked>>	84%	40306	90%	**72	96%
Accurate 2495 👍	<<locked>>	91%	39929	89%	**38	100%
Accurate 2520	<<locked>>	89%	40451	90%	**28	97%
Accurate 4064	<<locked>>	96%	40219	89%	**38	98%
Alliant AR-Comp	<<locked>>	88%	40016	89%	**35	100%
Alliant Reloder- TS 15.5	<<locked>>	95%	40132	89%	**18	95%
[Alliant Reloder-15]*	<<locked>>	92%	40161	89%	**05	93%
[Alliant Reloder-17]*	<<locked>>	97%	38145	85%	**12	92%
[Baschieri & Pellagri 107]*	<<locked>>	89%	40147	89%	**02	92%
Hodgdon BL-C2	<<locked>>	88%	40103	89%	**22	95%
Hodgdon Benchmark	<<locked>>	85%	40321	90%	**33	96%
Hodgdon H322 👍	<<locked>>	85%	39987	89%	**99	99%
[Hodgdon VARGET]*	<<locked>>	94%	39943	89%	**56	92%
Hodgdon TrailBoss	<<locked>>	97%	31140	69%	**65	100%
IMR 3031 👍	<<locked>>	93%	40321	90%	**61	99%
[IMR 4064]*	<<locked>>	95%	40263	90%	**59	93%
[IMR 4895]*	<<locked>>	92%	39987	89%	**25	93%
IMR 8208 XBR	<<locked>>	87%	40045	89%	**72	95%
Lovex D073.5	<<locked>>	84%	40306	90%	**72	96%
Lovex D073.6	<<locked>>	91%	40205	89%	**15	97%
[Lovex S060]*	<<locked>>	87%	39943	89%	**10	93%
Lovex S062	<<locked>>	93%	40147	89%	**86	95%
Norma 201	<<locked>>	90%	40234	89%	**76	95%
Norma 202	<<locked>>	90%	40393	90%	**02	98%
[Norma 203B]*	<<locked>>	93%	40321	90%	**18	94%
[Ramshot Big Game]*	<<locked>>	93%	40393	90%	**28	93%
[Ramshot Wild Boar]*	<<locked>>	88%	40379	90%	**95	93%
[Ramshot X-Terminator]*	<<locked>>	84%	40205	89%	**33	93%
ReloadSwiss RS 14	<<locked>>	97%	30806	69%	**08	100%
ReloadSwiss RS 52	<<locked>>	94%	40059	89%	**61	96%
[ReloadSwiss RS 60]*	<<locked>>	97%	37159	83%	**79	92%
Rottweil R 901	<<locked>>	88%	40408	90%	**79	98%
Rottweil R 902	<<locked>>	92%	40118	89%	**66	95%
[Rottweil R 903]*	<<locked>>	97%	38508	86%	**82	94%
[SNPE Vectan SP 11]*	<<locked>>	96%	40321	90%	**28	93%
[SNPE Vectan SP 9]*	<<locked>>	89%	40016	89%	**79	93%
SNPE Vectan Tubal 3000	<<locked>>	88%	40393	90%	**10	98%
SNPE Vectan Tubal 5000	<<locked>>	94%	39914	89%	**17	99%
Shooters World Match Rifle	<<locked>>	91%	40205	89%	**15	97%
Shooters World Precision	<<locked>>	93%	40147	89%	**86	95%
Somchem S321	<<locked>>	85%	40030	89%	**92	96%
Somchem S335	<<locked>>	89%	40451	90%	**36	99%
[Somchem S341]*	<<locked>>	88%	40234	89%	**76	93%
[Somchem S355]*	<<locked>>	97%	40321	90%	**12	94%
Vihtavuori N130	<<locked>>	84%	40263	90%	**17	100%
Vihtavuori N133	<<locked>>	90%	40248	90%	**27	100%
Vihtavuori N135	<<locked>>	97%	37608	84%	**43	99%
Vihtavuori N140	<<locked>>	91%	40147	89%	**72	98%
[Vihtavuori N150]*	<<locked>>	97%	33344	74%	**15	93%
Vihtavuori N530	<<locked>>	85%	40205	89%	**89	95%
Vihtavuori N540	<<locked>>	92%	39871	89%	**92	98%
Winchester 748	<<locked>>	85%	40176	89%	**35	96%
[Winchester StaBALL Match]*	<<locked>>	83%	40089	89%	**09	94%

Max Load - Barrel Length: 23.60''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AR 2206H]*	<<locked>>	83%	32677	73%	**02	90%
[ADI AR 2208]*	<<locked>>	90%	35230	78%	**35	90%
Accurate 2015	<<locked>>	81%	34606	77%	**25	99%
[Accurate 2230]*	<<locked>>	81%	36709	82%	**74	93%
Accurate 2460	<<locked>>	81%	36042	80%	**74	95%
Accurate 2495	<<locked>>	81%	27166	60%	**00	96%
[Accurate 2520]*	<<locked>>	81%	29950	67%	**59	93%
[Accurate 4064]*	<<locked>>	81%	22887	51%	**33	90%
Alliant AR-Comp	<<locked>>	81%	30748	68%	**08	99%
[Alliant Reloder- TS 15.5]*	<<locked>>	87%	29979	67%	**49	90%
[Alliant Reloder-15]*	<<locked>>	88%	34476	77%	**71	90%
[Alliant Reloder-17]*	<<locked>>	94%	34809	77%	**07	90%
[Baschieri & Pellagri 107]*	<<locked>>	86%	36637	81%	**10	90%
[Hodgdon BL-C2]*	<<locked>>	81%	30487	68%	**72	91%
[Hodgdon Benchmark]*	<<locked>>	81%	35302	79%	**12	94%
Hodgdon H322	<<locked>>	81%	34751	77%	**71	97%
[Hodgdon VARGET]*	<<locked>>	90%	35012	78%	**35	90%
Hodgdon TrailBoss	<<locked>>	81%	24091	54%	**98	100%
[IMR 3031]*	<<locked>>	81%	26440	59%	**77	94%
[IMR 4064]*	<<locked>>	90%	34722	77%	**22	90%
[IMR 4895]*	<<locked>>	86%	32982	73%	**44	90%
[IMR 8208 XBR]*	<<locked>>	81%	32750	73%	**79	92%
Lovex D073.5	<<locked>>	81%	35491	79%	**58	95%
[Lovex D073.6]*	<<locked>>	81%	27586	61%	**80	92%
[Lovex S060]*	<<locked>>	81%	32808	73%	**33	90%
[Lovex S062]*	<<locked>>	84%	29225	65%	**97	90%
[Norma 201]*	<<locked>>	81%	29254	65%	**80	90%
[Norma 202]*	<<locked>>	81%	29733	66%	**23	94%
[Norma 203B]*	<<locked>>	87%	32822	73%	**28	90%
[Ramshot Big Game]*	<<locked>>	89%	34548	77%	**71	90%
[Ramshot Wild Boar]*	<<locked>>	82%	33011	73%	**15	90%
[Ramshot X-Terminator]*	<<locked>>	81%	36201	81%	**41	92%
ReloadSwiss RS 14	<<locked>>	81%	23873	53%	**37	100%
[ReloadSwiss RS 52]*	<<locked>>	85%	28790	64%	**46	90%
[ReloadSwiss RS 60]*	<<locked>>	94%	33924	75%	**87	90%
Rottweil R 901	<<locked>>	81%	31894	71%	**62	95%
[Rottweil R 902]*	<<locked>>	82%	28776	64%	**64	90%
[Rottweil R 903]*	<<locked>>	91%	30618	68%	**76	90%
[SNPE Vectan SP 11]*	<<locked>>	91%	34432	77%	**77	90%
[SNPE Vectan SP 9]*	<<locked>>	84%	33243	74%	**05	90%
SNPE Vectan Tubal 3000	<<locked>>	81%	31850	71%	**07	95%
[SNPE Vectan Tubal 5000]*	<<locked>>	81%	25382	56%	**23	93%
[Shooters World Match Rifle]*	<<locked>>	81%	27586	61%	**80	92%
[Shooters World Precision]*	<<locked>>	84%	29225	65%	**97	90%
[Somchem S321]*	<<locked>>	81%	34954	78%	**64	94%
Somchem S335	<<locked>>	81%	30922	69%	**03	96%
[Somchem S341]*	<<locked>>	84%	33373	74%	**02	90%
[Somchem S355]*	<<locked>>	90%	31386	70%	**79	90%
Vihtavuori N130	<<locked>>	81%	35984	80%	**28	99%
Vihtavuori N133	<<locked>>	81%	29544	66%	**67	97%
[Vihtavuori N135]*	<<locked>>	81%	21756	48%	**64	92%
[Vihtavuori N140]*	<<locked>>	81%	27499	61%	**41	93%
[Vihtavuori N150]*	<<locked>>	92%	28152	63%	**64	90%
[Vihtavuori N530]*	<<locked>>	81%	34490	77%	**38	93%
[Vihtavuori N540]*	<<locked>>	81%	27195	60%	**38	92%
[Winchester 748]*	<<locked>>	81%	34113	76%	**81	94%
[Winchester StaBALL Match]*	<<locked>>	81%	36506	81%	**13	93%

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