Load data for .350 Mag. Rigby + .358 | 158gr | Speer LSWC

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

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.358 \| 158gr \| Speer LSWC
Manufacturer SKU:	4623
Bullet Weight:	158gr \| 10.2g
Bullet Diameter:	0.358" \| 9.09mm
Bullet Length:	0.660" \| 16.8mm
Caliber:	.350 Mag. Rigby load data
Case Length (l3):	2.750" \| 69.8mm
Cartridge Length (C.O.L.):	3.288" \| 83.5mm
Seated Depth:	0.122" \| 3.1mm
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_B6234_C501
Last updated:	2025-02-02

Load data for 112 loads in caliber .350 Mag. Rigby with .358 | 158gr | Speer LSWC bullet and 56 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%	40292	90%	**95	93%
[ADI AR 2208]*	<<locked>>	93%	40234	89%	**66	92%
Accurate 2015	<<locked>>	85%	40422	90%	**66	100%
[Accurate 2230]*	<<locked>>	83%	39958	89%	**49	94%
Accurate 2460	<<locked>>	84%	40306	90%	**72	96%
Accurate 2495 👍	<<locked>>	91%	40306	90%	**41	100%
Accurate 2520	<<locked>>	89%	40451	90%	**25	97%
Accurate 4064	<<locked>>	96%	39856	89%	**31	98%
Alliant AR-Comp	<<locked>>	88%	40045	89%	**35	100%
Alliant Reloder- TS 15.5	<<locked>>	95%	40118	89%	**18	95%
[Alliant Reloder-15]*	<<locked>>	92%	40393	90%	**18	93%
[Baschieri & Pellagri 107]*	<<locked>>	89%	40118	89%	**99	92%
Hodgdon BL-C2	<<locked>>	88%	40408	90%	**35	95%
Hodgdon Benchmark	<<locked>>	85%	40321	90%	**33	96%
Hodgdon H322 👍	<<locked>>	85%	40001	89%	**02	99%
[Hodgdon VARGET]*	<<locked>>	94%	39987	89%	**56	92%
Hodgdon TrailBoss	<<locked>>	97%	30980	69%	**69	100%
IMR 3031 👍	<<locked>>	93%	40335	90%	**61	99%
[IMR 4064]*	<<locked>>	95%	40263	90%	**59	93%
[IMR 4895]*	<<locked>>	92%	40234	89%	**35	94%
IMR 8208 XBR	<<locked>>	87%	40364	90%	**76	95%
Lovex D073.5	<<locked>>	84%	40045	89%	**69	96%
Lovex D073.6	<<locked>>	91%	40451	90%	**25	97%
[Lovex S060]*	<<locked>>	87%	39958	89%	**10	93%
Lovex S062	<<locked>>	93%	40205	89%	**86	95%
Norma 201	<<locked>>	90%	39914	89%	**72	95%
Norma 202	<<locked>>	90%	40408	90%	**02	98%
[Norma 203B]*	<<locked>>	93%	40059	89%	**18	94%
[Ramshot Big Game]*	<<locked>>	93%	40190	89%	**18	93%
[Ramshot Wild Boar]*	<<locked>>	87%	40364	90%	**05	93%
[Ramshot X-Terminator]*	<<locked>>	84%	40205	89%	**33	93%
ReloadSwiss RS 14	<<locked>>	96%	30690	68%	**05	100%
ReloadSwiss RS 52	<<locked>>	94%	40277	90%	**58	96%
[ReloadSwiss RS 60]*	<<locked>>	97%	36883	82%	**76	92%
Rottweil R 901	<<locked>>	88%	40147	89%	**76	98%
Rottweil R 902	<<locked>>	92%	40437	90%	**66	95%
[Rottweil R 903]*	<<locked>>	97%	38479	86%	**82	94%
[SNPE Vectan SP 11]*	<<locked>>	95%	39987	89%	**25	93%
[SNPE Vectan SP 9]*	<<locked>>	90%	40306	90%	**92	93%
SNPE Vectan Tubal 3000	<<locked>>	88%	40132	89%	**10	98%
SNPE Vectan Tubal 5000	<<locked>>	94%	40205	89%	**17	99%
Shooters World Match Rifle	<<locked>>	91%	40451	90%	**25	97%
Shooters World Precision	<<locked>>	93%	40205	89%	**86	95%
Somchem S321	<<locked>>	85%	40030	89%	**92	96%
Somchem S335	<<locked>>	88%	40219	89%	**36	99%
[Somchem S341]*	<<locked>>	88%	40219	89%	**76	93%
[Somchem S355]*	<<locked>>	97%	40059	89%	**99	94%
Vihtavuori N130	<<locked>>	84%	40292	90%	**17	100%
Vihtavuori N133	<<locked>>	90%	39943	89%	**27	99%
Vihtavuori N135	<<locked>>	97%	38189	85%	**56	99%
Vihtavuori N140	<<locked>>	91%	40132	89%	**72	98%
[Vihtavuori N150]*	<<locked>>	97%	33504	75%	**12	93%
Vihtavuori N530	<<locked>>	85%	40219	89%	**89	95%
Vihtavuori N540	<<locked>>	92%	40466	90%	**05	98%
Winchester 748	<<locked>>	85%	40176	89%	**35	96%
[Winchester StaBALL Match]*	<<locked>>	83%	40379	90%	**09	94%

Max Load - Barrel Length: 23.60''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AR 2206H]*	<<locked>>	83%	32967	73%	**08	90%
[ADI AR 2208]*	<<locked>>	89%	34809	77%	**35	90%
Accurate 2015	<<locked>>	81%	34635	77%	**28	99%
[Accurate 2230]*	<<locked>>	81%	36767	82%	**74	93%
Accurate 2460	<<locked>>	81%	36100	80%	**77	95%
Accurate 2495	<<locked>>	81%	27499	61%	**10	96%
[Accurate 2520]*	<<locked>>	81%	29965	67%	**59	93%
[Accurate 4064]*	<<locked>>	81%	22843	51%	**36	90%
Alliant AR-Comp	<<locked>>	81%	30792	68%	**18	100%
[Alliant Reloder- TS 15.5]*	<<locked>>	87%	29994	67%	**49	90%
[Alliant Reloder-15]*	<<locked>>	88%	34766	77%	**74	90%
[Baschieri & Pellagri 107]*	<<locked>>	86%	36680	82%	**10	90%
[Hodgdon BL-C2]*	<<locked>>	81%	30690	68%	**82	91%
[Hodgdon Benchmark]*	<<locked>>	81%	35389	79%	**15	94%
Hodgdon H322	<<locked>>	81%	34795	77%	**74	97%
[Hodgdon VARGET]*	<<locked>>	90%	35085	78%	**38	90%
Hodgdon TrailBoss	<<locked>>	81%	24018	53%	**95	100%
[IMR 3031]*	<<locked>>	81%	26484	59%	**80	94%
[IMR 4064]*	<<locked>>	90%	34243	76%	**18	90%
[IMR 4895]*	<<locked>>	86%	32793	73%	**41	90%
[IMR 8208 XBR]*	<<locked>>	81%	33025	73%	**95	92%
Lovex D073.5	<<locked>>	81%	35810	80%	**71	95%
[Lovex D073.6]*	<<locked>>	81%	27876	62%	**97	92%
[Lovex S060]*	<<locked>>	81%	32837	73%	**33	90%
[Lovex S062]*	<<locked>>	84%	29254	65%	**97	90%
[Norma 201]*	<<locked>>	81%	29486	66%	**97	91%
[Norma 202]*	<<locked>>	81%	29805	66%	**26	94%
[Norma 203B]*	<<locked>>	87%	32692	73%	**28	90%
[Ramshot Big Game]*	<<locked>>	88%	34389	76%	**71	90%
[Ramshot Wild Boar]*	<<locked>>	82%	33127	74%	**18	90%
[Ramshot X-Terminator]*	<<locked>>	81%	36260	81%	**44	92%
ReloadSwiss RS 14	<<locked>>	81%	23786	53%	**34	100%
[ReloadSwiss RS 52]*	<<locked>>	85%	28979	64%	**46	90%
[ReloadSwiss RS 60]*	<<locked>>	94%	33678	75%	**84	90%
Rottweil R 901	<<locked>>	81%	32213	72%	**69	95%
[Rottweil R 902]*	<<locked>>	82%	29008	65%	**71	90%
[Rottweil R 903]*	<<locked>>	91%	30618	68%	**76	90%
[SNPE Vectan SP 11]*	<<locked>>	91%	34200	76%	**64	90%
[SNPE Vectan SP 9]*	<<locked>>	84%	33098	74%	**05	90%
SNPE Vectan Tubal 3000	<<locked>>	81%	32126	71%	**13	95%
[SNPE Vectan Tubal 5000]*	<<locked>>	81%	25628	57%	**39	93%
[Shooters World Match Rifle]*	<<locked>>	81%	27876	62%	**97	92%
[Shooters World Precision]*	<<locked>>	84%	29254	65%	**97	90%
[Somchem S321]*	<<locked>>	81%	34969	78%	**64	94%
Somchem S335	<<locked>>	81%	31154	69%	**07	96%
[Somchem S341]*	<<locked>>	83%	33373	74%	**02	90%
[Somchem S355]*	<<locked>>	90%	31662	70%	**82	90%
Vihtavuori N130	<<locked>>	81%	36085	80%	**22	99%
Vihtavuori N133	<<locked>>	81%	29849	66%	**74	97%
[Vihtavuori N135]*	<<locked>>	81%	21843	49%	**67	92%
[Vihtavuori N140]*	<<locked>>	81%	27630	61%	**44	93%
[Vihtavuori N150]*	<<locked>>	91%	27601	61%	**44	90%
[Vihtavuori N530]*	<<locked>>	81%	34519	77%	**41	93%
[Vihtavuori N540]*	<<locked>>	81%	27224	61%	**38	92%
[Winchester 748]*	<<locked>>	81%	34113	76%	**81	94%
[Winchester StaBALL Match]*	<<locked>>	81%	36724	82%	**27	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