Load data for .350 Mag. Rigby + .357 | 158gr | Ares RNBB

Recommended Powder(s): Accurate 2495, IMR 3031

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.357 \| 158gr \| Ares RNBB
Manufacturer SKU:	.38/.357-158 RNBB .357
Bullet Weight:	158gr \| 10.2g
Bullet Diameter:	0.357" \| 9.07mm
Bullet Length:	0.680" \| 17.3mm
Caliber:	.350 Mag. Rigby load data
Case Length (l3):	2.750" \| 69.8mm
Cartridge Length (C.O.L.):	3.132" \| 79.5mm
Seated Depth:	0.298" \| 7.6mm
Shank Seated Depth:	0.298" \| 7.6mm
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_B10935_C501
Last updated:	2025-02-02

Load data for 110 loads in caliber .350 Mag. Rigby with .357 | 158gr | Ares RNBB bullet and 55 powders such as Accurate 2495, 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%	40147	89%	**63	93%
[ADI AR 2208]*	<<locked>>	94%	40466	90%	**36	92%
Accurate 2015	<<locked>>	85%	40147	89%	**36	100%
[Accurate 2230]*	<<locked>>	84%	40364	90%	**30	94%
Accurate 2460	<<locked>>	84%	40379	90%	**43	96%
Accurate 2495 👍	<<locked>>	91%	40422	90%	**25	99%
Accurate 2520	<<locked>>	89%	40263	90%	**99	97%
Accurate 4064	<<locked>>	96%	40306	90%	**09	98%
Alliant AR-Comp	<<locked>>	89%	40263	90%	**22	100%
[Alliant Reloder- TS 15.5]*	<<locked>>	96%	40335	90%	**99	94%
[Alliant Reloder-15]*	<<locked>>	93%	40408	90%	**95	92%
Hodgdon BL-C2	<<locked>>	88%	40030	89%	**99	95%
Hodgdon Benchmark	<<locked>>	85%	40147	89%	**94	95%
Hodgdon H322	<<locked>>	85%	40118	89%	**72	98%
[Hodgdon VARGET]*	<<locked>>	94%	40118	89%	**33	92%
Hodgdon TrailBoss	<<locked>>	96%	31154	69%	**39	100%
IMR 3031 👍	<<locked>>	93%	40437	90%	**48	99%
[IMR 4064]*	<<locked>>	95%	40118	89%	**36	92%
[IMR 4895]*	<<locked>>	92%	40350	90%	**02	93%
IMR 8208 XBR	<<locked>>	87%	40074	89%	**46	95%
Lovex D073.5	<<locked>>	84%	39987	89%	**40	96%
Lovex D073.6	<<locked>>	91%	40132	89%	**89	97%
[Lovex S060]*	<<locked>>	88%	40001	89%	**87	93%
Lovex S062	<<locked>>	93%	39987	89%	**49	95%
Norma 201	<<locked>>	90%	40408	90%	**53	95%
Norma 202	<<locked>>	90%	39972	89%	**69	97%
[Norma 203B]*	<<locked>>	93%	40089	89%	**86	93%
[Ramshot Big Game]*	<<locked>>	93%	40263	90%	**95	92%
[Ramshot Wild Boar]*	<<locked>>	88%	40132	89%	**72	93%
[Ramshot X-Terminator]*	<<locked>>	84%	40147	89%	**13	93%
ReloadSwiss RS 14	<<locked>>	96%	31038	69%	**82	100%
ReloadSwiss RS 40	<<locked>>	83%	40321	90%	**46	96%
ReloadSwiss RS 52	<<locked>>	95%	40451	90%	**35	95%
Rottweil R 901	<<locked>>	87%	40176	89%	**36	97%
Rottweil R 902	<<locked>>	92%	40306	90%	**40	95%
[Rottweil R 903]*	<<locked>>	97%	38029	85%	**40	93%
[SNPE Vectan SP 11]*	<<locked>>	96%	39798	89%	**89	92%
[SNPE Vectan SP 9]*	<<locked>>	90%	40248	90%	**63	93%
SNPE Vectan Tubal 3000	<<locked>>	88%	40089	89%	**77	97%
SNPE Vectan Tubal 5000	<<locked>>	94%	40306	90%	**97	98%
Shooters World Match Rifle	<<locked>>	91%	40132	89%	**89	97%
Shooters World Precision	<<locked>>	93%	39987	89%	**49	95%
Somchem S321	<<locked>>	85%	40292	90%	**69	95%
Somchem S335	<<locked>>	88%	39929	89%	**90	98%
[Somchem S341]*	<<locked>>	89%	40132	89%	**46	93%
[Somchem S355]*	<<locked>>	97%	39363	88%	**56	93%
Vihtavuori N130	<<locked>>	84%	40205	89%	**94	100%
Vihtavuori N133	<<locked>>	90%	39958	89%	**00	99%
Vihtavuori N135	<<locked>>	97%	37144	83%	**10	99%
Vihtavuori N140	<<locked>>	92%	40190	89%	**53	98%
[Vihtavuori N150]*	<<locked>>	97%	32967	73%	**79	93%
Vihtavuori N530	<<locked>>	85%	40089	89%	**56	95%
Vihtavuori N540	<<locked>>	92%	40277	90%	**76	97%
Winchester 748	<<locked>>	86%	40379	90%	**09	96%
[Winchester StaBALL Match]*	<<locked>>	84%	40190	89%	**76	94%

Max Load - Barrel Length: 23.60''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AR 2206H]*	<<locked>>	84%	34171	76%	**12	90%
[ADI AR 2208]*	<<locked>>	91%	36303	81%	**38	90%
Accurate 2015	<<locked>>	81%	34708	77%	**12	99%
[Accurate 2230]*	<<locked>>	81%	36564	81%	**44	93%
[Accurate 2460]*	<<locked>>	81%	36114	80%	**44	94%
Accurate 2495	<<locked>>	81%	28050	62%	**03	96%
[Accurate 2520]*	<<locked>>	81%	29762	66%	**23	92%
[Accurate 4064]*	<<locked>>	81%	23482	52%	**36	90%
Alliant AR-Comp	<<locked>>	81%	30530	68%	**79	99%
[Alliant Reloder- TS 15.5]*	<<locked>>	88%	31125	69%	**59	90%
[Alliant Reloder-15]*	<<locked>>	89%	35824	80%	**77	90%
[Hodgdon BL-C2]*	<<locked>>	81%	30342	67%	**46	90%
[Hodgdon Benchmark]*	<<locked>>	81%	35288	78%	**85	94%
Hodgdon H322	<<locked>>	81%	34345	76%	**35	97%
[Hodgdon VARGET]*	<<locked>>	91%	36637	81%	**41	90%
Hodgdon TrailBoss	<<locked>>	81%	24381	54%	**75	100%
[IMR 3031]*	<<locked>>	81%	26527	59%	**51	94%
[IMR 4064]*	<<locked>>	91%	35476	79%	**22	90%
[IMR 4895]*	<<locked>>	87%	33721	75%	**31	90%
[IMR 8208 XBR]*	<<locked>>	81%	32735	73%	**56	91%
[Lovex D073.5]*	<<locked>>	81%	35766	80%	**38	94%
[Lovex D073.6]*	<<locked>>	81%	27833	62%	**71	91%
[Lovex S060]*	<<locked>>	83%	34055	76%	**33	90%
[Lovex S062]*	<<locked>>	85%	29834	66%	**90	90%
[Norma 201]*	<<locked>>	81%	29791	66%	**74	90%
[Norma 202]*	<<locked>>	81%	29718	66%	**03	94%
[Norma 203B]*	<<locked>>	89%	34055	76%	**35	90%
[Ramshot Big Game]*	<<locked>>	90%	35781	80%	**71	90%
[Ramshot Wild Boar]*	<<locked>>	83%	34272	76%	**22	90%
[Ramshot X-Terminator]*	<<locked>>	81%	36143	80%	**05	91%
ReloadSwiss RS 14	<<locked>>	81%	24337	54%	**18	100%
ReloadSwiss RS 40	<<locked>>	81%	37101	83%	**74	95%
[ReloadSwiss RS 52]*	<<locked>>	86%	29936	67%	**46	90%
[Rottweil R 901]*	<<locked>>	81%	32605	73%	**46	94%
[Rottweil R 902]*	<<locked>>	83%	30153	67%	**74	90%
[Rottweil R 903]*	<<locked>>	92%	31966	71%	**89	90%
[SNPE Vectan SP 11]*	<<locked>>	92%	35346	79%	**77	90%
[SNPE Vectan SP 9]*	<<locked>>	85%	34272	76%	**12	90%
[SNPE Vectan Tubal 3000]*	<<locked>>	81%	31995	71%	**77	94%
[SNPE Vectan Tubal 5000]*	<<locked>>	81%	25628	57%	**10	93%
[Shooters World Match Rifle]*	<<locked>>	81%	27833	62%	**71	91%
[Shooters World Precision]*	<<locked>>	85%	29834	66%	**90	90%
[Somchem S321]*	<<locked>>	81%	34722	77%	**35	93%
Somchem S335	<<locked>>	81%	31270	70%	**77	95%
[Somchem S341]*	<<locked>>	85%	34592	77%	**05	90%
[Somchem S355]*	<<locked>>	91%	32416	72%	**79	90%
Vihtavuori N130	<<locked>>	81%	35911	80%	**92	99%
Vihtavuori N133	<<locked>>	81%	29762	66%	**44	97%
[Vihtavuori N135]*	<<locked>>	81%	22205	49%	**61	92%
[Vihtavuori N140]*	<<locked>>	81%	27572	61%	**12	93%
[Vihtavuori N150]*	<<locked>>	92%	28660	64%	**54	90%
[Vihtavuori N530]*	<<locked>>	81%	34330	76%	**12	92%
[Vihtavuori N540]*	<<locked>>	81%	27441	61%	**21	92%
[Winchester 748]*	<<locked>>	81%	33736	75%	**41	93%
[Winchester StaBALL Match]*	<<locked>>	81%	36085	80%	**77	92%

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