Load data for .350 Mag. Rigby + .358 | 148gr | Speer LHBWC

Recommended Powder(s): Accurate 2495, Alliant AR-Comp, IMR 3031

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.358 \| 148gr \| Speer LHBWC
Manufacturer SKU:	4617
Bullet Weight:	148gr \| 9.6g
Bullet Diameter:	0.358" \| 9.09mm
Bullet Length:	0.600" \| 15.2mm
Caliber:	.350 Mag. Rigby load data
Case Length (l3):	2.750" \| 69.8mm
Cartridge Length (C.O.L.):	3.228" \| 82.0mm
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_B6232_C501
Last updated:	2025-01-01

Load data for 106 loads in caliber .350 Mag. Rigby with .358 | 148gr | Speer LHBWC bullet and 53 powders such as Accurate 2495, Alliant AR-Comp, 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>>	90%	40277	90%	**74	92%
Accurate 2015	<<locked>>	87%	40408	90%	**48	99%
[Accurate 2230]*	<<locked>>	85%	40408	90%	**41	94%
Accurate 2460	<<locked>>	85%	40118	89%	**51	95%
Accurate 2495 👍	<<locked>>	92%	39929	89%	**17	99%
Accurate 2520	<<locked>>	90%	40234	89%	**04	96%
Accurate 4064	<<locked>>	97%	38305	85%	**77	97%
Alliant AR-Comp 👍	<<locked>>	90%	40437	90%	**36	100%
[Alliant Reloder- TS 15.5]*	<<locked>>	97%	40379	90%	**04	94%
Alliant Reloder-10x	<<locked>>	84%	40393	90%	**71	100%
[Hodgdon BL-C2]*	<<locked>>	89%	40176	89%	**07	94%
Hodgdon Benchmark	<<locked>>	86%	40451	90%	**15	95%
Hodgdon H322	<<locked>>	86%	40074	89%	**77	98%
Hodgdon TrailBoss	<<locked>>	97%	30589	68%	**24	100%
IMR 3031 👍	<<locked>>	94%	40103	89%	**40	99%
[IMR 4064]*	<<locked>>	96%	40219	89%	**35	92%
[IMR 4895]*	<<locked>>	93%	40016	89%	**07	93%
[IMR 8208 XBR]*	<<locked>>	88%	40408	90%	**54	94%
Lovex D073.4	<<locked>>	84%	40089	89%	**35	95%
Lovex D073.5	<<locked>>	86%	40451	90%	**64	96%
Lovex D073.6	<<locked>>	92%	40234	89%	**04	96%
[Lovex S060]*	<<locked>>	89%	40147	89%	**92	92%
[Lovex S062]*	<<locked>>	95%	40001	89%	**61	94%
[Norma 201]*	<<locked>>	92%	40393	90%	**58	94%
Norma 202	<<locked>>	91%	40292	90%	**81	97%
[Norma 203B]*	<<locked>>	95%	40408	90%	**04	93%
[Ramshot Big Game]*	<<locked>>	94%	40016	89%	**94	92%
[Ramshot Wild Boar]*	<<locked>>	89%	40263	90%	**77	92%
[Ramshot X-Terminator]*	<<locked>>	85%	40437	90%	**22	92%
ReloadSwiss RS 14	<<locked>>	96%	30211	67%	**64	100%
ReloadSwiss RS 40	<<locked>>	84%	40161	89%	**48	96%
ReloadSwiss RS 52	<<locked>>	95%	40016	89%	**40	95%
Rottweil R 901	<<locked>>	89%	40103	89%	**54	97%
[Rottweil R 902]*	<<locked>>	93%	40350	90%	**48	94%
[Rottweil R 903]*	<<locked>>	97%	35984	80%	**89	92%
[SNPE Vectan SP 11]*	<<locked>>	97%	39798	89%	**91	92%
[SNPE Vectan SP 9]*	<<locked>>	91%	40234	89%	**64	92%
SNPE Vectan Tubal 3000	<<locked>>	89%	40234	89%	**95	97%
SNPE Vectan Tubal 5000	<<locked>>	96%	40263	90%	**99	98%
Shooters World Match Rifle	<<locked>>	92%	40234	89%	**04	96%
[Shooters World Precision]*	<<locked>>	95%	40001	89%	**61	94%
Somchem S321	<<locked>>	86%	40451	90%	**81	95%
Somchem S335	<<locked>>	90%	40234	89%	**09	98%
[Somchem S341]*	<<locked>>	90%	40103	89%	**45	92%
[Somchem S355]*	<<locked>>	97%	37681	84%	**25	92%
Vihtavuori N130	<<locked>>	86%	40393	90%	**09	100%
Vihtavuori N133	<<locked>>	91%	40074	89%	**05	99%
Vihtavuori N135	<<locked>>	97%	35824	80%	**79	98%
Vihtavuori N140	<<locked>>	93%	40263	90%	**61	98%
[Vihtavuori N530]*	<<locked>>	87%	40234	89%	**71	94%
Vihtavuori N540	<<locked>>	93%	40321	90%	**81	97%
Winchester 748	<<locked>>	87%	39972	89%	**07	95%
[Winchester StaBALL Match]*	<<locked>>	85%	40190	89%	**91	93%

Max Load - Barrel Length: 23.60''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AR 2206H]*	<<locked>>	86%	35172	78%	**46	90%
Accurate 2015	<<locked>>	81%	32677	73%	**67	98%
[Accurate 2230]*	<<locked>>	81%	34679	77%	**94	91%
[Accurate 2460]*	<<locked>>	81%	33968	76%	**94	93%
[Accurate 2495]*	<<locked>>	81%	25469	57%	**13	94%
[Accurate 2520]*	<<locked>>	81%	27978	62%	**66	91%
[Accurate 4064]*	<<locked>>	85%	24250	54%	**57	90%
Alliant AR-Comp	<<locked>>	81%	28935	64%	**41	99%
[Alliant Reloder- TS 15.5]*	<<locked>>	91%	32416	72%	**90	90%
Alliant Reloder-10x	<<locked>>	81%	36666	82%	**82	99%
[Hodgdon BL-C2]*	<<locked>>	83%	31372	70%	**74	90%
[Hodgdon Benchmark]*	<<locked>>	81%	33678	75%	**44	92%
Hodgdon H322	<<locked>>	81%	32880	73%	**00	96%
Hodgdon TrailBoss	<<locked>>	81%	23656	53%	**47	100%
[IMR 3031]*	<<locked>>	81%	24903	55%	**90	92%
[IMR 4064]*	<<locked>>	93%	36608	81%	**53	90%
[IMR 4895]*	<<locked>>	89%	34476	77%	**66	90%
[IMR 8208 XBR]*	<<locked>>	81%	31270	70%	**15	90%
[Lovex D073.4]*	<<locked>>	81%	35839	80%	**40	94%
[Lovex D073.5]*	<<locked>>	81%	33678	75%	**90	93%
[Lovex D073.6]*	<<locked>>	82%	27137	60%	**43	90%
[Lovex S060]*	<<locked>>	84%	34751	77%	**58	90%
[Lovex S062]*	<<locked>>	87%	30792	68%	**15	90%
[Norma 201]*	<<locked>>	84%	31125	69%	**12	90%
[Norma 202]*	<<locked>>	81%	28050	62%	**46	92%
[Norma 203B]*	<<locked>>	91%	34708	77%	**59	90%
[Ramshot Big Game]*	<<locked>>	91%	36521	81%	**99	90%
[Ramshot Wild Boar]*	<<locked>>	85%	35259	78%	**46	90%
[Ramshot X-Terminator]*	<<locked>>	82%	35520	79%	**94	90%
ReloadSwiss RS 14	<<locked>>	81%	23380	52%	**90	100%
[ReloadSwiss RS 40]*	<<locked>>	81%	35476	79%	**36	94%
[ReloadSwiss RS 52]*	<<locked>>	88%	30501	68%	**67	90%
[Rottweil R 901]*	<<locked>>	81%	30400	68%	**89	93%
[Rottweil R 902]*	<<locked>>	86%	31082	69%	**05	90%
[Rottweil R 903]*	<<locked>>	94%	32547	72%	**04	90%
[SNPE Vectan SP 11]*	<<locked>>	94%	36376	81%	**99	90%
[SNPE Vectan SP 9]*	<<locked>>	87%	35244	78%	**33	90%
[SNPE Vectan Tubal 3000]*	<<locked>>	81%	30458	68%	**40	93%
[SNPE Vectan Tubal 5000]*	<<locked>>	81%	24265	54%	**59	91%
[Shooters World Match Rifle]*	<<locked>>	82%	27137	60%	**43	90%
[Shooters World Precision]*	<<locked>>	87%	30792	68%	**15	90%
[Somchem S321]*	<<locked>>	81%	33054	74%	**84	92%
[Somchem S335]*	<<locked>>	81%	29472	66%	**30	94%
[Somchem S341]*	<<locked>>	87%	35534	79%	**27	90%
[Somchem S355]*	<<locked>>	93%	33243	74%	**04	90%
Vihtavuori N130	<<locked>>	81%	34258	76%	**58	99%
Vihtavuori N133	<<locked>>	81%	28224	63%	**00	96%
[Vihtavuori N135]*	<<locked>>	82%	21422	48%	**23	90%
[Vihtavuori N140]*	<<locked>>	81%	26179	58%	**64	91%
[Vihtavuori N530]*	<<locked>>	81%	32619	73%	**74	91%
[Vihtavuori N540]*	<<locked>>	81%	25643	57%	**64	90%
[Winchester 748]*	<<locked>>	81%	32198	72%	**94	92%
[Winchester StaBALL Match]*	<<locked>>	81%	34650	77%	**40	91%

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