Load data for .350 Mag. Rigby + .357 | 148gr | H&N WC KB Match

Recommended Powder(s): Accurate 2015, Accurate 2495, Alliant AR-Comp, Alliant Reloder-10x

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.357 \| 148gr \| H&N WC KB Match
Bullet Weight:	148gr \| 9.6g
Bullet Diameter:	0.357" \| 9.07mm
Bullet Length:	0.642" \| 16.3mm
Caliber:	.350 Mag. Rigby load data
Case Length (l3):	2.750" \| 69.8mm
Cartridge Length (C.O.L.):	2.750" \| 69.8mm
Seated Depth:	0.642" \| 16.3mm
Shank Seated Depth:	0.485" \| 12.3mm
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_B7476_C501
Last updated:	2025-11-14

Load data for 88 loads in caliber .350 Mag. Rigby with .357 | 148gr | H&N WC KB Match bullet and 44 powders such as Accurate 2015, Accurate 2495, Alliant AR-Comp, Alliant Reloder-10x. 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 2219	<<locked>>	86%	40147	89%	**41	97%
Accurate 2015 👍	<<locked>>	91%	40263	90%	**09	99%
[Accurate 2230]*	<<locked>>	89%	40190	89%	**86	92%
[Accurate 2460]*	<<locked>>	90%	39856	89%	**95	94%
Accurate 2495 👍	<<locked>>	97%	38595	86%	**68	99%
Accurate 2520	<<locked>>	95%	40103	89%	**54	95%
[Accurate 4064]*	<<locked>>	97%	31372	70%	**71	94%
Alliant AR-Comp 👍	<<locked>>	95%	40350	90%	**00	100%
Alliant Reloder-10x 👍	<<locked>>	88%	40364	90%	**28	99%
Baschieri & Pellagri 106	<<locked>>	85%	40030	89%	**13	98%
[Hodgdon BL-C2]*	<<locked>>	94%	40030	89%	**54	93%
[Hodgdon Benchmark]*	<<locked>>	90%	40219	89%	**56	94%
Hodgdon H322	<<locked>>	91%	40437	90%	**41	97%
Hodgdon H335	<<locked>>	86%	40205	89%	**35	96%
Hodgdon TrailBoss	<<locked>>	96%	29472	66%	**46	100%
IMR 3031	<<locked>>	97%	36550	81%	**18	97%
IMR 4198	<<locked>>	86%	40379	90%	**82	100%
[IMR 8208 XBR]*	<<locked>>	93%	40277	90%	**02	93%
[Lovex D073.4]*	<<locked>>	88%	40451	90%	**99	94%
[Lovex D073.5]*	<<locked>>	90%	39856	89%	**95	94%
Lovex D073.6	<<locked>>	97%	39407	88%	**48	95%
Norma 200	<<locked>>	85%	40219	89%	**12	100%
[Norma 201]*	<<locked>>	96%	40118	89%	**02	93%
Norma 202	<<locked>>	96%	40422	90%	**38	96%
ReloadSwiss RS 14	<<locked>>	96%	29022	65%	**88	100%
ReloadSwiss RS 40	<<locked>>	89%	40292	90%	**12	95%
Rottweil R 901	<<locked>>	94%	40074	89%	**05	96%
[Rottweil R 902]*	<<locked>>	97%	38551	86%	**56	92%
SNPE Vectan SP 10	<<locked>>	85%	39856	89%	**22	96%
SNPE Vectan Tubal 3000	<<locked>>	93%	40263	90%	**46	96%
SNPE Vectan Tubal 5000	<<locked>>	97%	35621	79%	**48	96%
Shooters World Match Rifle	<<locked>>	97%	39407	88%	**48	95%
[Shooters World Tactical Rifle]*	<<locked>>	86%	40059	89%	**53	92%
[Somchem S321]*	<<locked>>	90%	39914	89%	**12	93%
Somchem S335	<<locked>>	95%	40451	90%	**69	97%
Vihtavuori N120	<<locked>>	84%	40045	89%	**40	100%
Vihtavuori N130	<<locked>>	90%	40437	90%	**69	99%
Vihtavuori N133	<<locked>>	96%	40234	89%	**69	99%
Vihtavuori N135	<<locked>>	97%	29559	66%	**76	95%
Vihtavuori N140	<<locked>>	97%	38856	86%	**79	96%
[Vihtavuori N530]*	<<locked>>	91%	40045	89%	**15	93%
Vihtavuori N540	<<locked>>	97%	38464	86%	**95	95%
[Winchester 748]*	<<locked>>	91%	40132	89%	**58	94%
[Winchester StaBALL Match]*	<<locked>>	89%	40422	90%	**31	92%

Max Load - Barrel Length: 23.60''

Powder	Charge	FR	MaxP	%	V(0)	z
ADI AR 2219	<<locked>>	81%	33736	75%	**81	95%
Accurate 2015	<<locked>>	81%	27659	62%	**87	95%
[Accurate 2230]*	<<locked>>	86%	35389	79%	**71	90%
[Accurate 2460]*	<<locked>>	83%	30864	69%	**76	90%
[Accurate 2495]*	<<locked>>	82%	21335	47%	**49	90%
[Accurate 2520]*	<<locked>>	87%	28790	64%	**59	90%
[Accurate 4064]*	<<locked>>	92%	25614	57%	**84	90%
Alliant AR-Comp	<<locked>>	81%	24439	54%	**44	95%
Alliant Reloder-10x	<<locked>>	81%	31154	69%	**02	97%
Baschieri & Pellagri 106	<<locked>>	81%	35186	78%	**08	96%
[Hodgdon BL-C2]*	<<locked>>	90%	34360	76%	**13	90%
[Hodgdon Benchmark]*	<<locked>>	83%	31662	70%	**40	90%
[Hodgdon H322]*	<<locked>>	81%	28152	63%	**10	92%
[Hodgdon H335]*	<<locked>>	81%	32953	73%	**51	93%
Hodgdon TrailBoss	<<locked>>	81%	22800	51%	**78	100%
[IMR 3031]*	<<locked>>	85%	24091	54%	**21	90%
IMR 4198	<<locked>>	81%	34011	76%	**35	99%
[IMR 8208 XBR]*	<<locked>>	88%	34084	76%	**51	90%
[Lovex D073.4]*	<<locked>>	82%	31227	69%	**69	90%
[Lovex D073.5]*	<<locked>>	83%	30864	69%	**76	90%
[Lovex D073.6]*	<<locked>>	89%	28790	64%	**59	90%
Norma 200	<<locked>>	81%	34809	77%	**81	99%
[Norma 201]*	<<locked>>	91%	33199	74%	**35	90%
[Norma 202]*	<<locked>>	85%	27151	60%	**84	90%
ReloadSwiss RS 14	<<locked>>	81%	22466	50%	**18	100%
[ReloadSwiss RS 40]*	<<locked>>	81%	30487	68%	**59	91%
[Rottweil R 901]*	<<locked>>	83%	27485	61%	**71	90%
[Rottweil R 902]*	<<locked>>	93%	33533	75%	**35	90%
[SNPE Vectan SP 10]*	<<locked>>	81%	34258	76%	**87	94%
[SNPE Vectan Tubal 3000]*	<<locked>>	82%	27021	60%	**95	90%
[SNPE Vectan Tubal 5000]*	<<locked>>	86%	24874	55%	**33	90%
[Shooters World Match Rifle]*	<<locked>>	89%	28790	64%	**59	90%
[Shooters World Tactical Rifle]*	<<locked>>	83%	35404	79%	**38	90%
[Somchem S321]*	<<locked>>	85%	32692	73%	**35	90%
[Somchem S335]*	<<locked>>	81%	25034	56%	**52	90%
Vihtavuori N120	<<locked>>	81%	35723	79%	**48	100%
Vihtavuori N130	<<locked>>	81%	29501	66%	**94	96%
[Vihtavuori N133]*	<<locked>>	81%	24250	54%	**26	92%
[Vihtavuori N135]*	<<locked>>	89%	22756	51%	**36	90%
[Vihtavuori N140]*	<<locked>>	86%	26440	59%	**38	90%
[Vihtavuori N530]*	<<locked>>	86%	33605	75%	**51	90%
[Vihtavuori N540]*	<<locked>>	87%	27441	61%	**84	90%
[Winchester 748]*	<<locked>>	85%	32024	71%	**38	90%
[Winchester StaBALL Match]*	<<locked>>	87%	36883	82%	**46	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