Load data for .350 Mag. Rigby + .358 | 178gr | Hammer Stone Hammer

Recommended Powder(s): Accurate 4064, IMR 3031

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.358 \| 178gr \| Hammer Stone Hammer
Manufacturer SKU:	35178SH
Bullet Weight:	178gr \| 11.5g
Bullet Diameter:	0.358" \| 9.09mm
Bullet Length:	1.040" \| 26.4mm
Caliber:	.350 Mag. Rigby load data
Case Length (l3):	2.750" \| 69.8mm
Cartridge Length (C.O.L.):	3.521" \| 89.4mm
Seated Depth:	0.269" \| 6.8mm
Shank Seated Depth:	0.269" \| 6.8mm
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_B10975_C501
Last updated:	2025-11-05

Load data for 106 loads in caliber .350 Mag. Rigby with .358 | 178gr | Hammer Stone Hammer bullet and 53 powders such as Accurate 4064, 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.

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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>>	84%	40016	89%	**12	95%
[ADI AR 2208]*	<<locked>>	89%	39871	89%	**76	94%
Accurate 2495	<<locked>>	84%	40190	89%	**35	100%
Accurate 2520	<<locked>>	83%	39972	89%	**31	98%
Accurate 4064 👍	<<locked>>	90%	40045	89%	**41	99%
[Accurate 4350]*	<<locked>>	97%	37130	83%	**12	92%
Alliant AR-Comp	<<locked>>	83%	40118	89%	**38	100%
Alliant Reloder- TS 15.5	<<locked>>	90%	39842	89%	**25	96%
[Alliant Reloder-15]*	<<locked>>	87%	40132	89%	**31	94%
Alliant Reloder-17	<<locked>>	94%	40103	89%	**00	95%
[Baschieri & Pellagri 107]*	<<locked>>	85%	40205	89%	**22	93%
Hodgdon BL-C2	<<locked>>	84%	40437	90%	**51	96%
[Hodgdon CFE223]*	<<locked>>	88%	40089	89%	**54	93%
[Hodgdon H380]*	<<locked>>	89%	40176	89%	**08	92%
[Hodgdon Hybrid 100V]*	<<locked>>	97%	35288	78%	**17	93%
[Hodgdon LVR]*	<<locked>>	95%	40248	90%	**48	92%
[Hodgdon VARGET]*	<<locked>>	89%	39871	89%	**76	94%
Hodgdon TrailBoss	<<locked>>	96%	32430	72%	**44	100%
IMR 3031 👍	<<locked>>	88%	40292	90%	**71	100%
[IMR 4064]*	<<locked>>	90%	40451	90%	**89	94%
IMR 4895	<<locked>>	87%	40437	90%	**48	95%
Lovex D073.6	<<locked>>	85%	39972	89%	**31	98%
Lovex S060	<<locked>>	83%	40190	89%	**40	95%
Lovex S062	<<locked>>	88%	40190	89%	**02	96%
Norma 201	<<locked>>	85%	40335	90%	**92	96%
Norma 202	<<locked>>	85%	40103	89%	**08	99%
Norma 203B	<<locked>>	88%	40321	90%	**35	95%
[Norma URP]*	<<locked>>	97%	38580	86%	**25	92%
[Ramshot Big Game]*	<<locked>>	88%	40321	90%	**54	94%
ReloadSwiss RS 14	<<locked>>	96%	32576	72%	**86	100%
ReloadSwiss RS 52	<<locked>>	89%	40292	90%	**87	97%
ReloadSwiss RS 60	<<locked>>	95%	40030	89%	**04	96%
Rottweil R 902	<<locked>>	86%	40234	89%	**82	96%
Rottweil R 903	<<locked>>	93%	40190	89%	**38	96%
SNPE Vectan SP 11	<<locked>>	91%	40408	90%	**64	95%
[SNPE Vectan SP 7]*	<<locked>>	84%	40147	89%	**76	92%
SNPE Vectan SP 9	<<locked>>	85%	39900	89%	**02	95%
SNPE Vectan Tubal 3000	<<locked>>	83%	40437	90%	**26	98%
SNPE Vectan Tubal 5000	<<locked>>	89%	40248	90%	**33	99%
Shooters World Match Rifle	<<locked>>	85%	39972	89%	**31	98%
Shooters World Precision	<<locked>>	88%	40190	89%	**02	96%
Somchem S335	<<locked>>	83%	40132	89%	**43	99%
[Somchem S341]*	<<locked>>	84%	40016	89%	**85	94%
Somchem S355	<<locked>>	92%	40219	89%	**25	95%
[Somchem S365]*	<<locked>>	97%	33939	75%	**40	94%
Vihtavuori N133	<<locked>>	85%	40118	89%	**40	100%
Vihtavuori N135	<<locked>>	93%	39914	89%	**99	100%
Vihtavuori N140	<<locked>>	87%	40059	89%	**85	99%
Vihtavuori N150	<<locked>>	97%	39653	88%	**89	97%
[Vihtavuori N160]*	<<locked>>	95%	40016	89%	**18	92%
Vihtavuori N540	<<locked>>	87%	40016	89%	**02	98%
[Vihtavuori N550]*	<<locked>>	95%	39929	89%	**54	92%
Winchester 6.5 StaBALL	<<locked>>	96%	40379	90%	**85	95%

Max Load - Barrel Length: 23.60''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AR 2206H]*	<<locked>>	81%	36637	81%	**26	93%
[ADI AR 2208]*	<<locked>>	82%	32169	72%	**89	90%
Accurate 2495	<<locked>>	81%	36129	80%	**49	99%
Accurate 2520	<<locked>>	81%	37086	82%	**59	97%
Accurate 4064	<<locked>>	81%	30371	68%	**95	96%
[Accurate 4350]*	<<locked>>	95%	34113	76%	**33	90%
Alliant AR-Comp	<<locked>>	81%	36883	82%	**76	100%
[Alliant Reloder- TS 15.5]*	<<locked>>	81%	29805	66%	**66	91%
[Alliant Reloder-15]*	<<locked>>	81%	32489	72%	**38	91%
[Alliant Reloder-17]*	<<locked>>	87%	31575	70%	**61	90%
[Baschieri & Pellagri 107]*	<<locked>>	81%	35592	79%	**07	91%
Hodgdon BL-C2	<<locked>>	81%	37028	82%	**69	95%
[Hodgdon CFE223]*	<<locked>>	84%	34954	78%	**17	90%
[Hodgdon H380]*	<<locked>>	86%	35723	79%	**10	90%
[Hodgdon Hybrid 100V]*	<<locked>>	92%	30603	68%	**82	90%
[Hodgdon LVR]*	<<locked>>	93%	36941	82%	**66	90%
[Hodgdon VARGET]*	<<locked>>	82%	32169	72%	**89	90%
Hodgdon TrailBoss	<<locked>>	81%	25657	57%	**90	100%
IMR 3031	<<locked>>	81%	32271	72%	**74	98%
[IMR 4064]*	<<locked>>	82%	31270	70%	**59	90%
[IMR 4895]*	<<locked>>	81%	33272	74%	**71	92%
Lovex D073.6	<<locked>>	81%	34490	77%	**97	96%
[Lovex S060]*	<<locked>>	81%	37724	84%	**84	94%
[Lovex S062]*	<<locked>>	81%	32285	72%	**05	93%
Norma 201	<<locked>>	81%	35868	80%	**87	95%
Norma 202	<<locked>>	81%	35781	80%	**07	97%
[Norma 203B]*	<<locked>>	81%	32024	71%	**31	91%
[Norma URP]*	<<locked>>	94%	34882	78%	**33	90%
[Ramshot Big Game]*	<<locked>>	81%	31618	70%	**18	90%
ReloadSwiss RS 14	<<locked>>	81%	25933	58%	**32	100%
[ReloadSwiss RS 52]*	<<locked>>	81%	30298	67%	**18	93%
[ReloadSwiss RS 60]*	<<locked>>	87%	30980	69%	**38	90%
[Rottweil R 902]*	<<locked>>	81%	34040	76%	**28	94%
[Rottweil R 903]*	<<locked>>	82%	27978	62%	**23	90%
[SNPE Vectan SP 11]*	<<locked>>	83%	31154	69%	**18	90%
[SNPE Vectan SP 7]*	<<locked>>	81%	36332	81%	**87	90%
[SNPE Vectan SP 9]*	<<locked>>	81%	35114	78%	**87	93%
SNPE Vectan Tubal 3000	<<locked>>	81%	37710	84%	**74	98%
SNPE Vectan Tubal 5000	<<locked>>	81%	30864	69%	**23	97%
Shooters World Match Rifle	<<locked>>	81%	34490	77%	**97	96%
[Shooters World Precision]*	<<locked>>	81%	32285	72%	**05	93%
Somchem S335	<<locked>>	81%	37144	83%	**71	98%
[Somchem S341]*	<<locked>>	81%	36216	81%	**03	93%
[Somchem S355]*	<<locked>>	81%	28993	64%	**33	90%
[Somchem S365]*	<<locked>>	91%	28340	63%	**69	90%
Vihtavuori N133	<<locked>>	81%	35070	78%	**25	99%
Vihtavuori N135	<<locked>>	81%	27601	61%	**93	97%
Vihtavuori N140	<<locked>>	81%	33402	74%	**28	97%
[Vihtavuori N150]*	<<locked>>	83%	25831	57%	**18	90%
[Vihtavuori N160]*	<<locked>>	91%	35505	79%	**03	90%
Vihtavuori N540	<<locked>>	81%	33054	74%	**41	96%
[Vihtavuori N550]*	<<locked>>	91%	35099	78%	**36	90%
[Winchester 6.5 StaBALL]*	<<locked>>	88%	30864	69%	**43	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