Load data for .350 Mag. Rigby + .355 | 124gr | Geco HEXAGON

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

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.355 \| 124gr \| Geco HEXAGON
Manufacturer SKU:	2319010
Bullet Weight:	124gr \| 8.0g
Bullet Diameter:	0.355" \| 9.02mm
Bullet Length:	0.611" \| 15.5mm
Caliber:	.350 Mag. Rigby load data
Case Length (l3):	2.750" \| 69.8mm
Cartridge Length (C.O.L.):	3.239" \| 82.3mm
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_B9010_C501
Last updated:	2025-01-01

Load data for 80 loads in caliber .350 Mag. Rigby with .355 | 124gr | Geco HEXAGON bullet and 40 powders such as 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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C.O.L. (mm)
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Min z (%)
Min FR (%)
Max FR*
Barrel Length (Inch)
Barrel Length (cm)
Safety Buffer (%)
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Use the Personalized Load Calculator to customize loads to your own specific requirements. Find more details in the help section.

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.

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>>	84%	39943	89%	**01	96%
Accurate 2015	<<locked>>	89%	40089	89%	**58	98%
[Accurate 2460]*	<<locked>>	88%	40248	90%	**48	93%
Accurate 2495	<<locked>>	95%	40277	90%	**60	98%
[Accurate 2520]*	<<locked>>	93%	40379	90%	**07	94%
[Accurate 4064]*	<<locked>>	97%	34882	78%	**96	94%
Alliant AR-Comp 👍	<<locked>>	93%	40292	90%	**66	100%
Alliant Reloder-10x 👍	<<locked>>	87%	40379	90%	**91	99%
Baschieri & Pellagri 106	<<locked>>	84%	40393	90%	**73	97%
[Hodgdon BL-C2]*	<<locked>>	92%	40350	90%	**10	92%
[Hodgdon Benchmark]*	<<locked>>	89%	40248	90%	**12	93%
Hodgdon H322	<<locked>>	89%	39943	89%	**01	96%
Hodgdon H335	<<locked>>	84%	40263	90%	**91	95%
Hodgdon TrailBoss	<<locked>>	96%	29878	66%	**85	100%
IMR 3031	<<locked>>	97%	38885	86%	**30	97%
IMR 4198	<<locked>>	85%	40030	89%	**48	99%
[IMR 8208 XBR]*	<<locked>>	91%	40074	89%	**48	91%
[Lovex D073.4]*	<<locked>>	86%	40190	89%	**45	93%
[Lovex D073.5]*	<<locked>>	88%	40248	90%	**48	93%
[Lovex D073.6]*	<<locked>>	95%	40379	90%	**07	94%
[Norma 201]*	<<locked>>	94%	40364	90%	**58	92%
Norma 202	<<locked>>	94%	40393	90%	**01	95%
ReloadSwiss RS 14	<<locked>>	96%	29762	66%	**34	100%
[ReloadSwiss RS 40]*	<<locked>>	87%	39900	89%	**55	93%
Rottweil R 901	<<locked>>	92%	40422	90%	**74	95%
[Rottweil R 902]*	<<locked>>	96%	40321	90%	**45	92%
SNPE Vectan SP 10	<<locked>>	84%	40321	90%	**87	95%
SNPE Vectan Tubal 3000	<<locked>>	92%	40451	90%	**05	95%
SNPE Vectan Tubal 5000	<<locked>>	97%	37855	84%	**53	96%
[Shooters World Match Rifle]*	<<locked>>	95%	40379	90%	**07	94%
[Somchem S321]*	<<locked>>	89%	40234	89%	**74	92%
Somchem S335	<<locked>>	93%	40277	90%	**12	96%
Vihtavuori N120	<<locked>>	83%	40379	90%	**22	100%
Vihtavuori N130	<<locked>>	88%	40016	89%	**19	99%
Vihtavuori N133	<<locked>>	95%	40408	90%	**32	98%
Vihtavuori N135	<<locked>>	97%	32039	71%	**87	95%
Vihtavuori N140	<<locked>>	96%	40219	89%	**71	96%
[Vihtavuori N530]*	<<locked>>	89%	40074	89%	**64	92%
Vihtavuori N540	<<locked>>	96%	40016	89%	**78	95%
[Winchester 748]*	<<locked>>	90%	40161	89%	**14	93%

Max Load - Barrel Length: 23.60''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AR 2219]*	<<locked>>	81%	35998	80%	**82	94%
Accurate 2015	<<locked>>	81%	29965	67%	**89	95%
[Accurate 2460]*	<<locked>>	83%	33707	75%	**84	90%
[Accurate 2495]*	<<locked>>	82%	23859	53%	**48	90%
[Accurate 2520]*	<<locked>>	87%	31502	70%	**74	90%
[Accurate 4064]*	<<locked>>	92%	28558	64%	**89	90%
Alliant AR-Comp	<<locked>>	81%	26295	58%	**36	95%
Alliant Reloder-10x	<<locked>>	81%	33373	74%	**14	97%
Baschieri & Pellagri 106	<<locked>>	81%	37115	83%	**04	96%
[Hodgdon BL-C2]*	<<locked>>	90%	36985	82%	**25	90%
[Hodgdon Benchmark]*	<<locked>>	85%	35012	78%	**74	90%
[Hodgdon H322]*	<<locked>>	81%	30153	67%	**05	92%
[Hodgdon H335]*	<<locked>>	81%	35157	78%	**59	93%
Hodgdon TrailBoss	<<locked>>	81%	23598	52%	**11	100%
[IMR 3031]*	<<locked>>	85%	26629	59%	**40	90%
IMR 4198	<<locked>>	81%	35462	79%	**33	98%
[IMR 8208 XBR]*	<<locked>>	89%	37086	82%	**76	90%
[Lovex D073.4]*	<<locked>>	82%	34098	76%	**81	90%
[Lovex D073.5]*	<<locked>>	83%	33707	75%	**84	90%
[Lovex D073.6]*	<<locked>>	89%	31502	70%	**74	90%
[Norma 201]*	<<locked>>	91%	36332	81%	**56	90%
[Norma 202]*	<<locked>>	85%	29660	66%	**92	90%
ReloadSwiss RS 14	<<locked>>	81%	23148	51%	**51	100%
[ReloadSwiss RS 40]*	<<locked>>	81%	32721	73%	**51	90%
[Rottweil R 901]*	<<locked>>	83%	30342	67%	**72	90%
[Rottweil R 902]*	<<locked>>	93%	36289	81%	**46	90%
[SNPE Vectan SP 10]*	<<locked>>	81%	36347	81%	**86	93%
[SNPE Vectan Tubal 3000]*	<<locked>>	83%	29704	66%	**04	90%
[SNPE Vectan Tubal 5000]*	<<locked>>	87%	27528	61%	**38	90%
[Shooters World Match Rifle]*	<<locked>>	89%	31502	70%	**74	90%
[Somchem S321]*	<<locked>>	86%	35955	80%	**63	90%
[Somchem S335]*	<<locked>>	81%	27485	61%	**48	90%
Vihtavuori N120	<<locked>>	81%	37666	84%	**59	100%
Vihtavuori N130	<<locked>>	81%	31357	70%	**86	96%
[Vihtavuori N133]*	<<locked>>	81%	25962	58%	**05	92%
[Vihtavuori N135]*	<<locked>>	89%	25005	56%	**38	90%
[Vihtavuori N140]*	<<locked>>	86%	28993	64%	**36	90%
[Vihtavuori N530]*	<<locked>>	87%	36912	82%	**79	90%
[Vihtavuori N540]*	<<locked>>	88%	30414	68%	**99	90%
[Winchester 748]*	<<locked>>	86%	34896	78%	**56	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.