Load data for .357 Magnum + .357 | 158gr | Geco HOLLOW POINT

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

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.357 \| 158gr \| Geco HOLLOW POINT
Manufacturer SKU:	2318157
Bullet Weight:	158gr \| 10.2g
Bullet Diameter:	0.357" \| 9.07mm
Bullet Length:	0.681" \| 17.3mm
Caliber:	.357 Magnum load data
Case Length (l3):	1.290" \| 32.8mm
Cartridge Length (C.O.L.):	1.566" \| 39.8mm
Seated Depth:	0.405" \| 10.3mm
Shank Seated Depth:	0.405" \| 10.3mm
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_B9013_C513
Last updated:	2025-02-02

Load data for 112 loads in caliber .357 Magnum with .357 | 158gr | Geco HOLLOW POINT bullet and 56 powders such as ADI AP 100, 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".

Go to the bottom of the "Dashboard " page to set the measure system (imperial vs. metric)
No data yet
C.O.L. (Inch)
C.O.L. (mm)
We recommend you limit powder range to relevant brands to speed up re-calculation of results
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.
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%	37057	85%	**12	99%
ADI AP 70N	<<locked>>	67%	38159	88%	**11	100%
ADI AS 30	<<locked>>	78%	38653	89%	**19	100%
ADI AS 50N	<<locked>>	73%	37521	86%	**52	100%
Accurate No. 2	<<locked>>	74%	37637	87%	**27	100%
Accurate No. 7	<<locked>>	77%	38638	89%	**85	94%
[Accurate No. 9]*	<<locked>>	85%	38493	88%	**75	88%
Accurate Solo 1000	<<locked>>	77%	38261	88%	**45	100%
Accurate Solo 1250	<<locked>>	82%	39059	90%	**07	100%
[Accurate TCM]*	<<locked>>	84%	37840	87%	**65	89%
[Alliant 2400]*	<<locked>>	95%	36883	85%	**78	84%
Alliant BULLSEYE	<<locked>>	71%	37449	86%	**57	100%
Alliant POWER PISTOL	<<locked>>	80%	37362	86%	**58	99%
Alliant UNIQUE	<<locked>>	81%	38189	88%	**73	100%
Baschieri & Pellagri 100	<<locked>>	75%	36071	83%	**25	100%
Hodgdon Clays	<<locked>>	75%	38928	89%	**70	100%
Hodgdon HS-6	<<locked>>	65%	36593	84%	**86	100%
Hodgdon Longshot	<<locked>>	63%	37594	86%	**93	100%
Hodgdon Universal	<<locked>>	75%	38159	88%	**11	100%
Hodgdon TrailBoss	<<locked>>	94%	15592	36%	**7	100%
Lovex D037.1	<<locked>>	77%	38638	89%	**85	94%
[Lovex D037.2]*	<<locked>>	83%	37217	86%	**55	87%
Lovex S011	<<locked>>	64%	35911	83%	**45	100%
Lovex S020	<<locked>>	74%	38566	89%	**34	100%
Maxam CSB 1	<<locked>>	83%	36579	84%	**75	100%
Maxam CSB 2	<<locked>>	79%	36651	84%	**78	100%
Maxam CSB 3	<<locked>>	79%	38101	88%	**71	100%
Maxam CSB 4	<<locked>>	77%	38435	88%	**55	100%
Maxam CSB 5	<<locked>>	72%	37956	87%	**02	100%
[Ramshot Enforcer]*	<<locked>>	97%	38029	87%	**01	86%
Ramshot Silhouette	<<locked>>	66%	37623	86%	**63	100%
ReloadSwiss RS 12	<<locked>>	68%	36941	85%	**61	100%
ReloadSwiss RS 14	<<locked>>	92%	13938	32%	**0	100%
ReloadSwiss RS 20	<<locked>>	81%	37159	85%	**53	100%
ReloadSwiss RS 24	<<locked>>	83%	37739	87%	**65	95%
Rottweil P 801	<<locked>>	64%	36361	84%	**29	100%
Rottweil P 806	<<locked>>	87%	37782	87%	**85	100%
SNPE Vectan A0	<<locked>>	85%	39102	90%	**37	100%
SNPE Vectan BA 9	<<locked>>	77%	38769	89%	**07	100%
SNPE Vectan BA10	<<locked>>	72%	38696	89%	**86	100%
SNPE Vectan BA7 1/2 👍	<<locked>>	88%	36927	85%	**73	100%
SNPE Vectan BA9 1/2	<<locked>>	77%	38421	88%	**07	100%
[Shooters World Heavy Pistol]*	<<locked>>	83%	37217	86%	**55	87%
Shooters World Major Pistol	<<locked>>	77%	38638	89%	**85	94%
Somchem MP200	<<locked>>	75%	39030	90%	**73	100%
Somchem MS200	<<locked>>	78%	37275	86%	**30	100%
Somchem S221	<<locked>>	69%	37188	85%	**32	98%
Vihtavuori 3N37 👍	<<locked>>	80%	36941	85%	**93	100%
Vihtavuori 3N38	<<locked>>	94%	37768	87%	**48	96%
Vihtavuori N105	<<locked>>	95%	30995	71%	**16	97%
Vihtavuori N320	<<locked>>	72%	36579	84%	**42	100%
Vihtavuori N32C Tin Star	<<locked>>	96%	34780	80%	**53	100%
Vihtavuori N330	<<locked>>	75%	37637	86%	**04	100%
Vihtavuori N340	<<locked>>	77%	35897	82%	**17	100%
Vihtavuori N350 👍	<<locked>>	85%	38493	88%	**06	100%
Winchester 231	<<locked>>	63%	36941	85%	**78	100%

Max Load - Barrel Length: 5.50''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AP 100]*	<<locked>>	62%	14852	34%	**2	87%
ADI AP 70N	<<locked>>	61%	32010	74%	**42	100%
ADI AS 30	<<locked>>	61%	25904	60%	**4	100%
ADI AS 50N	<<locked>>	62%	28210	65%	**47	100%
Accurate No. 2	<<locked>>	61%	24845	57%	**73	100%
[Accurate No. 7]*	<<locked>>	61%	21263	49%	**12	83%
[Accurate No. 9]*	<<locked>>	73%	25048	58%	**75	80%
Accurate Solo 1000	<<locked>>	61%	25889	59%	**04	100%
Accurate Solo 1250	<<locked>>	60%	21654	50%	**1	100%
[Accurate TCM]*	<<locked>>	72%	24468	56%	**61	81%
[Alliant 2400]*	<<locked>>	88%	29936	69%	**70	80%
Alliant BULLSEYE	<<locked>>	61%	28456	65%	**45	100%
Alliant POWER PISTOL	<<locked>>	60%	21060	48%	**93	92%
Alliant UNIQUE	<<locked>>	61%	22278	51%	**56	100%
Baschieri & Pellagri 100	<<locked>>	60%	24163	56%	**8	100%
Hodgdon Clays	<<locked>>	61%	28848	66%	**5	100%
Hodgdon HS-6	<<locked>>	61%	31357	72%	**20	100%
Hodgdon Longshot	<<locked>>	61%	34809	80%	**63	100%
Hodgdon Universal	<<locked>>	61%	26426	61%	**70	100%
Hodgdon TrailBoss	<<locked>>	68%	9573	22%	**6	100%
[Lovex D037.1]*	<<locked>>	61%	21263	49%	**12	83%
[Lovex D037.2]*	<<locked>>	73%	26223	60%	**94	81%
Lovex S011	<<locked>>	61%	32677	75%	**15	100%
Lovex S020	<<locked>>	61%	26194	60%	**86	100%
Maxam CSB 1	<<locked>>	61%	20769	48%	**1	100%
Maxam CSB 2	<<locked>>	61%	22640	52%	**10	100%
Maxam CSB 3	<<locked>>	60%	23612	54%	**7	100%
Maxam CSB 4	<<locked>>	62%	26136	60%	**14	100%
Maxam CSB 5	<<locked>>	60%	27949	64%	**4	100%
[Ramshot Enforcer]*	<<locked>>	88%	28660	66%	**70	81%
Ramshot Silhouette	<<locked>>	61%	31981	74%	**04	100%
ReloadSwiss RS 12	<<locked>>	62%	30705	71%	**99	100%
ReloadSwiss RS 14	<<locked>>	67%	8615	20%	**6	100%
ReloadSwiss RS 20	<<locked>>	62%	21147	49%	**43	100%
[ReloadSwiss RS 24]*	<<locked>>	61%	19014	44%	**43	84%
Rottweil P 801	<<locked>>	61%	33228	76%	**96	100%
Rottweil P 806	<<locked>>	61%	15331	35%	**07	93%
SNPE Vectan A0	<<locked>>	61%	21031	48%	**01	100%
SNPE Vectan BA 9	<<locked>>	61%	25425	58%	**50	100%
SNPE Vectan BA10	<<locked>>	60%	29269	67%	**4	100%
SNPE Vectan BA7 1/2	<<locked>>	61%	17811	41%	**4	96%
SNPE Vectan BA9 1/2	<<locked>>	61%	24497	56%	**40	100%
[Shooters World Heavy Pistol]*	<<locked>>	73%	26223	60%	**94	81%
[Shooters World Major Pistol]*	<<locked>>	61%	21263	49%	**12	83%
Somchem MP200	<<locked>>	61%	25657	59%	**06	100%
Somchem MS200	<<locked>>	62%	23844	55%	**56	100%
Somchem S221	<<locked>>	61%	27920	64%	**01	94%
Vihtavuori 3N37	<<locked>>	61%	20291	47%	**50	98%
[Vihtavuori 3N38]*	<<locked>>	64%	15635	36%	**5	81%
[Vihtavuori N105]*	<<locked>>	67%	13126	30%	**8	81%
Vihtavuori N320	<<locked>>	61%	26861	62%	**30	100%
Vihtavuori N32C Tin Star	<<locked>>	61%	15896	37%	**4	100%
Vihtavuori N330	<<locked>>	62%	25556	59%	**66	100%
Vihtavuori N340	<<locked>>	61%	22336	51%	**37	100%
Vihtavuori N350	<<locked>>	61%	18840	43%	**17	98%
Winchester 231	<<locked>>	60%	34069	78%	**42	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