Load data for .38 Super Auto + .357 | 158gr | Geco HOLLOW POINT

Recommended Powder(s): Alliant UNIQUE, ReloadSwiss RS 20, SNPE Vectan A0, Somchem MP200, Vihtavuori N340

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:	.38 Super Auto load data
Case Length (l3):	0.890" \| 22.6mm
Cartridge Length (C.O.L.):	1.261" \| 32.0mm
Seated Depth:	0.310" \| 7.9mm
Shank Seated Depth:	0.310" \| 7.9mm
Case Capacity:	17.6 Grains of Water \| 1.14 cm³
Primer Size:	Small Pistol (SP)
Max. allowed Pressure:	33359 psi \| 2300 bar
LID:	LID_B9013_C583
Last updated:	2025-02-02

Load data for 114 loads in caliber .38 Super Auto with .357 | 158gr | Geco HOLLOW POINT bullet and 57 powders such as Alliant UNIQUE, ReloadSwiss RS 20, SNPE Vectan A0, Somchem MP200, Vihtavuori N340. 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>>	97%	26658	80%	**56	92%
ADI AP 70N	<<locked>>	67%	28282	85%	**17	100%
ADI APS 350	<<locked>>	68%	27934	84%	**0	100%
ADI APS 450	<<locked>>	72%	29124	87%	**2	100%
ADI AS 30	<<locked>>	76%	29588	89%	**8	100%
ADI AS 50N	<<locked>>	74%	29617	89%	**8	100%
Accurate No. 2	<<locked>>	75%	28631	86%	**20	100%
Accurate No. 5	<<locked>>	63%	29443	88%	**99	96%
[Accurate No. 7]*	<<locked>>	81%	28645	86%	**32	83%
Accurate Solo 1000	<<locked>>	74%	28776	86%	**8	100%
Accurate Solo 1250	<<locked>>	83%	29965	90%	**17	100%
Alliant BULLSEYE	<<locked>>	72%	29733	89%	**70	100%
Alliant POWER PISTOL	<<locked>>	84%	29718	89%	**42	93%
Alliant UNIQUE 👍	<<locked>>	82%	28645	86%	**66	100%
Baschieri & Pellagri 100	<<locked>>	77%	29182	87%	**5	100%
Hodgdon Clays	<<locked>>	68%	28137	84%	**0	100%
Hodgdon HS-6	<<locked>>	69%	29878	90%	**93	97%
Hodgdon Longshot	<<locked>>	65%	28660	86%	**76	98%
Hodgdon Universal	<<locked>>	75%	28282	85%	**17	100%
Hodgdon CFE Pistol	<<locked>>	79%	29950	90%	**30	100%
Hodgdon TrailBoss	<<locked>>	97%	12053	36%	**2	100%
Lovex D036	<<locked>>	63%	29385	88%	**99	95%
[Lovex D037.1]*	<<locked>>	81%	28645	86%	**32	83%
Lovex S011	<<locked>>	66%	29109	87%	**8	100%
Lovex S020	<<locked>>	76%	29936	90%	**50	100%
Maxam CSB 1	<<locked>>	84%	28166	84%	**4	100%
Maxam CSB 2	<<locked>>	82%	28166	84%	**10	100%
Maxam CSB 3	<<locked>>	80%	29791	89%	**1	100%
Maxam CSB 4	<<locked>>	76%	28935	87%	**8	100%
Maxam CSB 5	<<locked>>	69%	27992	84%	**5	100%
Ramshot Silhouette	<<locked>>	69%	29602	89%	**73	100%
Ramshot True Blue	<<locked>>	64%	29066	87%	**79	98%
ReloadSwiss RS 12	<<locked>>	72%	28921	87%	**04	100%
ReloadSwiss RS 14	<<locked>>	95%	10544	32%	**2	100%
ReloadSwiss RS 20 👍	<<locked>>	84%	28152	84%	**63	100%
[ReloadSwiss RS 24]*	<<locked>>	88%	29834	89%	**35	87%
Rottweil P 801	<<locked>>	66%	28964	87%	**4	100%
Rottweil P 806	<<locked>>	96%	28877	87%	**88	98%
SNPE Vectan A0 👍	<<locked>>	86%	29631	89%	**30	100%
SNPE Vectan BA 9	<<locked>>	77%	29327	88%	**10	100%
SNPE Vectan BA10	<<locked>>	67%	29109	87%	**2	100%
SNPE Vectan BA7 1/2	<<locked>>	91%	29153	87%	**70	98%
SNPE Vectan BA9 1/2	<<locked>>	77%	28355	85%	**07	100%
Shooters World Auto Pistol	<<locked>>	63%	29385	88%	**99	95%
[Shooters World Major Pistol]*	<<locked>>	81%	28645	86%	**32	83%
Somchem MP200 👍	<<locked>>	77%	29472	88%	**63	100%
Somchem MS200	<<locked>>	79%	28108	84%	**27	100%
Somchem S221	<<locked>>	72%	28790	86%	**02	90%
Vihtavuori 3N37	<<locked>>	84%	28500	85%	**89	99%
[Vihtavuori 3N38]*	<<locked>>	97%	26861	81%	**83	86%
[Vihtavuori N105]*	<<locked>>	96%	20102	60%	**17	85%
Vihtavuori N320	<<locked>>	76%	30008	90%	**8	100%
Vihtavuori N32C Tin Star	<<locked>>	96%	26194	79%	**2	100%
Vihtavuori N330	<<locked>>	79%	29689	89%	**37	100%
Vihtavuori N340 👍	<<locked>>	80%	28181	84%	**33	100%
Vihtavuori N350	<<locked>>	89%	29907	90%	**99	99%
Winchester 231	<<locked>>	63%	28065	84%	**1	100%

Max Load - Barrel Length: 5.50''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AP 100]*	<<locked>>	72%	14243	43%	**3	81%
ADI AP 70N	<<locked>>	60%	23090	69%	**8	100%
ADI APS 350	<<locked>>	61%	23395	70%	**7	100%
ADI APS 450	<<locked>>	62%	22829	68%	**3	100%
ADI AS 30	<<locked>>	60%	19566	59%	**4	100%
ADI AS 50N	<<locked>>	62%	21828	65%	**9	100%
Accurate No. 2	<<locked>>	62%	19058	57%	**6	97%
Accurate No. 5	<<locked>>	61%	27760	83%	**76	95%
[Accurate No. 7]*	<<locked>>	76%	24337	73%	**66	80%
Accurate Solo 1000	<<locked>>	62%	20755	62%	**6	100%
Accurate Solo 1250	<<locked>>	60%	15911	48%	**3	100%
Alliant BULLSEYE	<<locked>>	62%	21988	66%	**1	100%
[Alliant POWER PISTOL]*	<<locked>>	61%	14881	45%	**6	81%
Alliant UNIQUE	<<locked>>	61%	16389	49%	**6	98%
Baschieri & Pellagri 100	<<locked>>	60%	18275	55%	**7	100%
Hodgdon Clays	<<locked>>	61%	23583	71%	**0	100%
Hodgdon HS-6	<<locked>>	61%	22321	67%	**4	94%
Hodgdon Longshot	<<locked>>	61%	25396	76%	**30	97%
Hodgdon Universal	<<locked>>	61%	19798	59%	**9	100%
Hodgdon CFE Pistol	<<locked>>	62%	18565	56%	**9	100%
Hodgdon TrailBoss	<<locked>>	87%	10080	30%	**6	100%
Lovex D036	<<locked>>	61%	27717	83%	**73	95%
[Lovex D037.1]*	<<locked>>	76%	24337	73%	**66	80%
Lovex S011	<<locked>>	61%	24932	75%	**5	100%
Lovex S020	<<locked>>	62%	19160	57%	**2	100%
Maxam CSB 1	<<locked>>	61%	15360	46%	**7	100%
Maxam CSB 2	<<locked>>	62%	16056	48%	**0	100%
Maxam CSB 3	<<locked>>	60%	17245	52%	**7	100%
Maxam CSB 4	<<locked>>	61%	19537	59%	**6	100%
Maxam CSB 5	<<locked>>	60%	21785	65%	**3	100%
Ramshot Silhouette	<<locked>>	61%	22989	69%	**1	99%
Ramshot True Blue	<<locked>>	61%	25817	77%	**33	97%
ReloadSwiss RS 12	<<locked>>	61%	21393	64%	**5	100%
ReloadSwiss RS 14	<<locked>>	90%	9703	29%	**9	100%
ReloadSwiss RS 20	<<locked>>	61%	14504	43%	**3	98%
[ReloadSwiss RS 24]*	<<locked>>	76%	21176	63%	**4	81%
Rottweil P 801	<<locked>>	61%	25077	75%	**2	100%
[Rottweil P 806]*	<<locked>>	65%	10443	31%	**7	81%
SNPE Vectan A0	<<locked>>	61%	15780	47%	**0	97%
SNPE Vectan BA 9	<<locked>>	62%	19392	58%	**6	100%
SNPE Vectan BA10	<<locked>>	61%	24831	74%	**6	100%
[SNPE Vectan BA7 1/2]*	<<locked>>	61%	12879	39%	**4	86%
SNPE Vectan BA9 1/2	<<locked>>	61%	18507	55%	**9	100%
Shooters World Auto Pistol	<<locked>>	61%	27717	83%	**73	95%
[Shooters World Major Pistol]*	<<locked>>	76%	24337	73%	**66	80%
Somchem MP200	<<locked>>	61%	18666	56%	**9	98%
Somchem MS200	<<locked>>	60%	16984	51%	**6	99%
[Somchem S221]*	<<locked>>	61%	19522	59%	**8	83%
[Vihtavuori 3N37]*	<<locked>>	60%	13590	41%	**3	89%
[Vihtavuori 3N38]*	<<locked>>	86%	20218	61%	**4	81%
[Vihtavuori N105]*	<<locked>>	90%	16853	51%	**2	80%
Vihtavuori N320	<<locked>>	61%	19783	59%	**6	100%
Vihtavuori N32C Tin Star	<<locked>>	62%	11777	35%	**9	100%
Vihtavuori N330	<<locked>>	60%	17085	51%	**3	100%
Vihtavuori N340	<<locked>>	62%	16723	50%	**0	98%
[Vihtavuori N350]*	<<locked>>	61%	12923	39%	**4	88%
Winchester 231	<<locked>>	61%	26150	78%	**8	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