Load data for .357 Magnum + .357 | 180gr | Geco HEXAGON

Recommended Powder(s): ADI AP 100, Rottweil P 806, SNPE Vectan BA7 1/2, Vihtavuori 3N37, Vihtavuori N350

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.357 \| 180gr \| Geco HEXAGON
Manufacturer SKU:	2319117
Bullet Weight:	180gr \| 11.7g
Bullet Diameter:	0.357" \| 9.07mm
Bullet Length:	0.811" \| 20.6mm
Caliber:	.357 Magnum load data
Case Length (l3):	1.290" \| 32.8mm
Cartridge Length (C.O.L.):	1.566" \| 39.8mm
Seated Depth:	0.535" \| 13.6mm
Shank Seated Depth:	0.535" \| 13.6mm
Case Capacity:	25.6 Grains of Water \| 1.66 cm³
Primer Size:	Small Pistol Magnum (SPM)
Max. allowed Pressure:	43511 psi \| 3000 bar
LID:	LID_B9011_C513
Last updated:	2025-02-02

Load data for 122 loads in caliber .357 Magnum with .357 | 180gr | Geco HEXAGON bullet and 61 powders such as ADI AP 100, Rottweil P 806, SNPE Vectan BA7 1/2, Vihtavuori 3N37, Vihtavuori N350. 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 AP 100 👍	<<locked>>	96%	34084	78%	**32	99%
ADI AP 70N	<<locked>>	72%	40509	93%	**89	100%
ADI AS 30	<<locked>>	83%	40727	94%	**04	100%
ADI AS 50N	<<locked>>	81%	42395	97%	**56	100%
Accurate No. 2	<<locked>>	77%	38595	89%	**93	100%
Accurate No. 5	<<locked>>	66%	41510	95%	**07	100%
Accurate No. 7	<<locked>>	81%	40045	92%	**47	94%
[Accurate No. 9]*	<<locked>>	90%	40785	94%	**47	89%
Accurate Solo 1000	<<locked>>	85%	43497	100%	**50	100%
Accurate Solo 1250	<<locked>>	88%	42148	97%	**86	100%
Accurate TCM	<<locked>>	90%	40495	93%	**37	90%
[Alliant 2400]*	<<locked>>	96%	33692	77%	**88	83%
Alliant BULLSEYE	<<locked>>	77%	41727	96%	**48	100%
Alliant POWER PISTOL	<<locked>>	86%	40147	92%	**37	99%
Alliant UNIQUE	<<locked>>	86%	39842	92%	**38	100%
Baschieri & Pellagri 100	<<locked>>	83%	41640	96%	**37	100%
Hodgdon Clays	<<locked>>	78%	40161	92%	**5	100%
Hodgdon HS-6	<<locked>>	70%	39624	91%	**68	100%
Hodgdon Longshot	<<locked>>	69%	42453	98%	**91	100%
Hodgdon Universal	<<locked>>	82%	42438	98%	**09	100%
Hodgdon TrailBoss	<<locked>>	95%	14794	34%	**9	100%
Lovex D036	<<locked>>	66%	41437	95%	**07	100%
Lovex D037.1	<<locked>>	81%	40045	92%	**47	94%
[Lovex D037.2]*	<<locked>>	89%	40785	94%	**47	89%
Lovex S011	<<locked>>	69%	39189	90%	**40	100%
Lovex S020	<<locked>>	78%	40263	93%	**02	100%
Maxam CSB 1	<<locked>>	89%	39363	90%	**63	100%
Maxam CSB 2	<<locked>>	89%	43163	99%	**96	100%
Maxam CSB 3	<<locked>>	84%	39798	91%	**47	100%
Maxam CSB 4	<<locked>>	81%	39610	91%	**27	100%
Maxam CSB 5	<<locked>>	76%	39508	91%	**4	100%
[Ramshot Enforcer]*	<<locked>>	96%	32358	74%	**78	83%
Ramshot Silhouette	<<locked>>	73%	42902	99%	**65	100%
Ramshot True Blue	<<locked>>	67%	41104	94%	**71	100%
ReloadSwiss RS 12	<<locked>>	77%	42438	98%	**79	100%
ReloadSwiss RS 14	<<locked>>	93%	13111	30%	**5	100%
ReloadSwiss RS 20	<<locked>>	87%	39552	91%	**29	100%
ReloadSwiss RS 24	<<locked>>	90%	42134	97%	**57	97%
Rottweil P 801	<<locked>>	69%	39363	90%	**24	100%
Rottweil P 806 👍	<<locked>>	94%	41307	95%	**70	100%
SNPE Vectan A0	<<locked>>	91%	41553	96%	**12	100%
SNPE Vectan BA 9	<<locked>>	82%	41118	95%	**83	100%
SNPE Vectan BA10	<<locked>>	77%	41437	95%	**1	100%
SNPE Vectan BA7 1/2 👍	<<locked>>	94%	40364	93%	**61	100%
SNPE Vectan BA9 1/2	<<locked>>	81%	39508	91%	**76	100%
Shooters World Auto Pistol	<<locked>>	66%	41437	95%	**07	100%
[Shooters World Heavy Pistol]*	<<locked>>	89%	40785	94%	**47	89%
Shooters World Major Pistol	<<locked>>	81%	40045	92%	**47	94%
Somchem MP200	<<locked>>	79%	39711	91%	**32	100%
Somchem MS200	<<locked>>	87%	42685	98%	**32	100%
Somchem S221	<<locked>>	74%	40683	94%	**17	98%
Vihtavuori 3N37 👍	<<locked>>	86%	39392	91%	**71	100%
Vihtavuori 3N38	<<locked>>	95%	35404	81%	**78	95%
Vihtavuori N105	<<locked>>	96%	28108	65%	**35	96%
Vihtavuori N310	<<locked>>	67%	40741	94%	**5	100%
Vihtavuori N320	<<locked>>	80%	41843	96%	**47	100%
Vihtavuori N32C Tin Star	<<locked>>	94%	31662	73%	**2	100%
Vihtavuori N330	<<locked>>	83%	42844	98%	**06	100%
Vihtavuori N340	<<locked>>	86%	41307	95%	**22	100%
Vihtavuori N350 👍	<<locked>>	91%	41394	95%	**81	100%
Winchester 231	<<locked>>	68%	39465	91%	**60	100%

Max Load - Barrel Length: 5.50''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AP 100]*	<<locked>>	60%	13169	30%	**8	85%
ADI AP 70N	<<locked>>	60%	29066	67%	**8	100%
ADI AS 30	<<locked>>	62%	24918	57%	**0	100%
ADI AS 50N	<<locked>>	62%	26643	61%	**6	100%
Accurate No. 2	<<locked>>	61%	22887	53%	**2	100%
Accurate No. 5	<<locked>>	60%	34171	79%	**35	100%
[Accurate No. 7]*	<<locked>>	60%	18898	43%	**8	81%
[Accurate No. 9]*	<<locked>>	77%	25817	59%	**56	81%
Accurate Solo 1000	<<locked>>	60%	23873	55%	**0	100%
Accurate Solo 1250	<<locked>>	60%	20218	46%	**0	100%
[Accurate TCM]*	<<locked>>	74%	23453	54%	**17	80%
[Alliant 2400]*	<<locked>>	93%	30922	71%	**48	81%
Alliant BULLSEYE	<<locked>>	61%	26353	61%	**8	100%
Alliant POWER PISTOL	<<locked>>	61%	19696	45%	**8	91%
Alliant UNIQUE	<<locked>>	60%	20233	47%	**9	100%
Baschieri & Pellagri 100	<<locked>>	60%	22727	52%	**3	100%
Hodgdon Clays	<<locked>>	61%	27064	62%	**0	100%
Hodgdon HS-6	<<locked>>	62%	29878	69%	**66	100%
Hodgdon Longshot	<<locked>>	61%	31908	73%	**86	100%
Hodgdon Universal	<<locked>>	60%	24149	56%	**2	100%
Hodgdon TrailBoss	<<locked>>	86%	12705	29%	**9	100%
Lovex D036	<<locked>>	60%	34127	78%	**35	100%
[Lovex D037.1]*	<<locked>>	60%	18898	43%	**8	81%
[Lovex D037.2]*	<<locked>>	76%	25817	59%	**56	81%
Lovex S011	<<locked>>	61%	31038	71%	**5	100%
Lovex S020	<<locked>>	62%	24787	57%	**5	100%
Maxam CSB 1	<<locked>>	61%	19421	45%	**3	100%
Maxam CSB 2	<<locked>>	61%	21161	49%	**6	100%
Maxam CSB 3	<<locked>>	60%	21756	50%	**0	100%
Maxam CSB 4	<<locked>>	61%	24294	56%	**3	100%
Maxam CSB 5	<<locked>>	61%	27180	62%	**9	100%
[Ramshot Enforcer]*	<<locked>>	94%	29298	67%	**42	81%
Ramshot Silhouette	<<locked>>	61%	28805	66%	**27	100%
Ramshot True Blue	<<locked>>	61%	34055	78%	**06	100%
ReloadSwiss RS 12	<<locked>>	60%	26789	62%	**2	100%
ReloadSwiss RS 14	<<locked>>	85%	11342	26%	**6	100%
ReloadSwiss RS 20	<<locked>>	62%	19508	45%	**2	100%
[ReloadSwiss RS 24]*	<<locked>>	62%	17912	41%	**9	83%
Rottweil P 801	<<locked>>	61%	31749	73%	**5	100%
Rottweil P 806	<<locked>>	61%	13314	31%	**6	91%
SNPE Vectan A0	<<locked>>	60%	19174	44%	**6	100%
SNPE Vectan BA 9	<<locked>>	62%	24149	55%	**2	100%
SNPE Vectan BA10	<<locked>>	62%	29196	67%	**3	100%
SNPE Vectan BA7 1/2	<<locked>>	60%	16114	37%	**3	94%
SNPE Vectan BA9 1/2	<<locked>>	60%	22350	51%	**2	100%
Shooters World Auto Pistol	<<locked>>	60%	34127	78%	**35	100%
[Shooters World Heavy Pistol]*	<<locked>>	76%	25817	59%	**56	81%
[Shooters World Major Pistol]*	<<locked>>	60%	18898	43%	**8	81%
Somchem MP200	<<locked>>	60%	23308	54%	**8	100%
Somchem MS200	<<locked>>	61%	22147	51%	**2	100%
Somchem S221	<<locked>>	61%	26078	60%	**43	93%
Vihtavuori 3N37	<<locked>>	61%	18739	43%	**6	97%
[Vihtavuori 3N38]*	<<locked>>	68%	16085	37%	**3	82%
[Vihtavuori N105]*	<<locked>>	71%	13416	31%	**0	82%
Vihtavuori N310	<<locked>>	62%	36216	83%	**8	100%
Vihtavuori N320	<<locked>>	61%	25150	58%	**6	100%
Vihtavuori N32C Tin Star	<<locked>>	61%	14852	34%	**5	100%
Vihtavuori N330	<<locked>>	62%	23467	54%	**9	100%
Vihtavuori N340	<<locked>>	61%	20581	47%	**6	100%
Vihtavuori N350	<<locked>>	61%	17056	39%	**3	97%
Winchester 231	<<locked>>	60%	31836	73%	**1	100%

Start Load - Barrel Length: 5.50''

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