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:	<<locked>>
Caliber:	.350 Mag. Rigby load data
Case Length (l3):	2.750" \| 69.8mm
Cartridge Length (C.O.L.):	<<locked>>
Seated Depth:	<<locked>>
Shank Seated Depth:	<<locked>>
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:	2026-03-10

Load data for 110 loads in caliber .350 Mag. Rigby with .358 | 178gr | Hammer Stone Hammer bullet and 55 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.

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>>	85%	39885	89%	**12	95%
[ADI AR 2208]*	<<locked>>	90%	40437	90%	**02	94%
Accurate 2495	<<locked>>	85%	40205	89%	**44	100%
Accurate 2520	<<locked>>	84%	40176	89%	**38	98%
Accurate 4064 👍	<<locked>>	91%	40437	90%	**51	99%
Alliant AR-Comp	<<locked>>	84%	40030	89%	**48	100%
[Alliant Power Pro 2000-MR]*	<<locked>>	88%	40451	90%	**04	93%
Alliant Reloder- TS 15.5	<<locked>>	91%	40277	90%	**44	96%
[Alliant Reloder-15]*	<<locked>>	89%	40408	90%	**41	94%
Alliant Reloder-17	<<locked>>	95%	39943	89%	**97	95%
[Baschieri & Pellagri 107]*	<<locked>>	85%	40263	90%	**35	93%
Bofors RP3	<<locked>>	92%	40306	90%	**54	96%
Hodgdon BL-C2	<<locked>>	84%	40205	89%	**48	96%
[Hodgdon CFE223]*	<<locked>>	89%	40393	90%	**61	93%
[Hodgdon H380]*	<<locked>>	90%	40451	90%	**31	92%
Hodgdon H4895	<<locked>>	85%	40103	89%	**28	95%
[Hodgdon Hybrid 100V]*	<<locked>>	97%	34055	76%	**90	92%
[Hodgdon LVR]*	<<locked>>	96%	40118	89%	**48	91%
[Hodgdon VARGET]*	<<locked>>	90%	40437	90%	**02	94%
Hodgdon TrailBoss	<<locked>>	96%	32082	71%	**44	100%
IMR 3031 👍	<<locked>>	89%	40176	89%	**74	100%
[IMR 4064]*	<<locked>>	91%	40422	90%	**99	94%
IMR 4895	<<locked>>	88%	40248	90%	**54	95%
Lovex D073.6	<<locked>>	86%	40176	89%	**38	98%
Lovex S060	<<locked>>	84%	40205	89%	**43	95%
Lovex S062	<<locked>>	89%	40016	89%	**02	96%
Norma 201	<<locked>>	85%	40074	89%	**92	96%
Norma 202	<<locked>>	85%	40001	89%	**08	98%
Norma 203B	<<locked>>	89%	40263	90%	**44	95%
[Ramshot Big Game]*	<<locked>>	89%	40350	90%	**54	94%
[Ramshot Wild Boar]*	<<locked>>	84%	39900	89%	**18	94%
ReloadSwiss RS 14	<<locked>>	96%	32213	72%	**83	100%
[ReloadSwiss RS 52]*	<<locked>>	87%	40074	89%	**00	94%
ReloadSwiss RS 60	<<locked>>	93%	40045	89%	**23	97%
Rottweil R 902	<<locked>>	87%	39842	89%	**79	96%
Rottweil R 903	<<locked>>	93%	39958	89%	**35	95%
[SNPE Vectan SP 11]*	<<locked>>	92%	40437	90%	**64	94%
[SNPE Vectan SP 7]*	<<locked>>	85%	39943	89%	**85	92%
SNPE Vectan SP 9	<<locked>>	86%	40306	90%	**12	95%
SNPE Vectan Tubal 3000	<<locked>>	84%	40437	90%	**40	99%
SNPE Vectan Tubal 5000	<<locked>>	90%	40234	89%	**46	99%
Shooters World Match Rifle	<<locked>>	86%	40176	89%	**38	98%
Shooters World Precision	<<locked>>	89%	40016	89%	**02	96%
Somchem S335	<<locked>>	85%	40393	90%	**53	99%
[Somchem S341]*	<<locked>>	85%	39929	89%	**95	94%
Somchem S355	<<locked>>	93%	40364	90%	**31	95%
[Somchem S365]*	<<locked>>	97%	32692	73%	**20	93%
Vihtavuori N133	<<locked>>	86%	40190	89%	**43	100%
Vihtavuori N135	<<locked>>	94%	40466	90%	**15	100%
Vihtavuori N140	<<locked>>	88%	40045	89%	**89	99%
Vihtavuori N150	<<locked>>	97%	38580	86%	**76	96%
[Vihtavuori N160]*	<<locked>>	96%	40321	90%	**25	92%
Vihtavuori N540	<<locked>>	88%	40466	90%	**25	99%
[Vihtavuori N550]*	<<locked>>	96%	40248	90%	**74	93%
Winchester 6.5 StaBALL	<<locked>>	97%	40321	90%	**95	95%

Max Load - Barrel Length: 23.60''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AR 2206H]*	<<locked>>	81%	35491	79%	**03	93%
[ADI AR 2208]*	<<locked>>	83%	32358	72%	**98	90%
Accurate 2495	<<locked>>	81%	34272	76%	**20	99%
Accurate 2520	<<locked>>	81%	35476	79%	**36	97%
Accurate 4064	<<locked>>	81%	28572	64%	**56	95%
Alliant AR-Comp	<<locked>>	81%	35665	79%	**56	100%
[Alliant Power Pro 2000-MR]*	<<locked>>	84%	35824	80%	**76	90%
[Alliant Reloder- TS 15.5]*	<<locked>>	81%	28674	64%	**46	91%
[Alliant Reloder-15]*	<<locked>>	81%	31720	71%	**28	90%
[Alliant Reloder-17]*	<<locked>>	88%	31865	71%	**77	90%
[Baschieri & Pellagri 107]*	<<locked>>	81%	34577	77%	**87	91%
[Bofors RP3]*	<<locked>>	81%	27789	62%	**33	90%
Hodgdon BL-C2	<<locked>>	81%	35752	80%	**46	95%
[Hodgdon CFE223]*	<<locked>>	85%	34838	77%	**26	90%
[Hodgdon H380]*	<<locked>>	87%	35404	79%	**07	90%
[Hodgdon H4895]*	<<locked>>	81%	35665	79%	**20	94%
[Hodgdon Hybrid 100V]*	<<locked>>	93%	30414	68%	**89	90%
[Hodgdon LVR]*	<<locked>>	94%	37115	83%	**76	90%
[Hodgdon VARGET]*	<<locked>>	83%	32358	72%	**98	90%
Hodgdon TrailBoss	<<locked>>	81%	25309	56%	**90	100%
IMR 3031	<<locked>>	81%	31183	69%	**51	98%
[IMR 4064]*	<<locked>>	83%	31401	70%	**69	90%
[IMR 4895]*	<<locked>>	81%	32140	71%	**48	91%
Lovex D073.6	<<locked>>	81%	33127	74%	**77	96%
[Lovex S060]*	<<locked>>	81%	36854	82%	**64	93%
[Lovex S062]*	<<locked>>	81%	31067	69%	**79	93%
[Norma 201]*	<<locked>>	81%	34679	77%	**64	94%
Norma 202	<<locked>>	81%	34490	77%	**84	97%
[Norma 203B]*	<<locked>>	81%	30690	68%	**98	90%
[Ramshot Big Game]*	<<locked>>	82%	31691	70%	**38	90%
[Ramshot Wild Boar]*	<<locked>>	81%	36448	81%	**36	93%
ReloadSwiss RS 14	<<locked>>	81%	25527	57%	**29	100%
[ReloadSwiss RS 52]*	<<locked>>	81%	32735	73%	**13	90%
[ReloadSwiss RS 60]*	<<locked>>	82%	27760	62%	**49	90%
[Rottweil R 902]*	<<locked>>	81%	32663	73%	**08	94%
[Rottweil R 903]*	<<locked>>	83%	28224	63%	**36	90%
[SNPE Vectan SP 11]*	<<locked>>	84%	31270	70%	**28	90%
[SNPE Vectan SP 7]*	<<locked>>	82%	35897	80%	**90	90%
[SNPE Vectan SP 9]*	<<locked>>	81%	33997	76%	**67	92%
SNPE Vectan Tubal 3000	<<locked>>	81%	36782	82%	**61	98%
SNPE Vectan Tubal 5000	<<locked>>	81%	29747	66%	**00	97%
Shooters World Match Rifle	<<locked>>	81%	33127	74%	**77	96%
[Shooters World Precision]*	<<locked>>	81%	31067	69%	**79	93%
Somchem S335	<<locked>>	81%	35984	80%	**54	98%
[Somchem S341]*	<<locked>>	81%	35027	78%	**84	92%
[Somchem S355]*	<<locked>>	83%	28892	64%	**36	90%
[Somchem S365]*	<<locked>>	92%	28036	62%	**69	90%
Vihtavuori N133	<<locked>>	81%	34127	76%	**12	99%
Vihtavuori N135	<<locked>>	81%	26411	59%	**70	96%
Vihtavuori N140	<<locked>>	81%	32314	72%	**08	97%
[Vihtavuori N150]*	<<locked>>	84%	25643	57%	**21	90%
[Vihtavuori N160]*	<<locked>>	92%	35389	79%	**10	90%
Vihtavuori N540	<<locked>>	81%	31836	71%	**15	96%
[Vihtavuori N550]*	<<locked>>	92%	34853	78%	**43	90%
[Winchester 6.5 StaBALL]*	<<locked>>	89%	31111	69%	**52	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