Load data for .38 Super Auto + .356 | 123gr | LOS HP

Recommended Powder(s): Alliant UNIQUE, Ramshot Silhouette, ReloadSwiss RS 20, Somchem MP200, Somchem MS200

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.356 \| 123gr \| LOS HP
Bullet Weight:	123gr \| 8.0g
Bullet Diameter:	0.356" \| 9.04mm
Bullet Length:	0.550" \| 14.0mm
Caliber:	.38 Super Auto load data
Case Length (l3):	0.890" \| 22.6mm
Cartridge Length (C.O.L.):	1.261" \| 32.0mm
Seated Depth:	0.179" \| 4.6mm
Shank Seated Depth:	0.179" \| 4.6mm
Case Capacity:	17.6 Grains of Water \| 1.14 cm³
Primer Size:	Small Pistol (SP)
Max. allowed Pressure:	33359 psi \| 2300 bar
LID:	LID_B3510_C583
Last updated:	2025-02-02

Load data for 106 loads in caliber .38 Super Auto with .356 | 123gr | LOS HP bullet and 53 powders such as Alliant UNIQUE, Ramshot Silhouette, ReloadSwiss RS 20, Somchem MP200, Somchem MS200. 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%	28065	84%	**06	92%
ADI AP 70N	<<locked>>	66%	29414	88%	**57	100%
ADI APS 350	<<locked>>	69%	29602	89%	**73	100%
ADI APS 450	<<locked>>	71%	29254	88%	**06	100%
ADI AS 30	<<locked>>	74%	29747	89%	**55	100%
ADI AS 50N	<<locked>>	70%	28674	86%	**84	100%
Accurate No. 2	<<locked>>	73%	28790	86%	**53	99%
[Accurate No. 7]*	<<locked>>	79%	29776	89%	**85	82%
Accurate Solo 1000	<<locked>>	74%	29762	89%	**88	100%
Accurate Solo 1250	<<locked>>	81%	29965	90%	**53	100%
Alliant BULLSEYE	<<locked>>	69%	28819	86%	**96	100%
Alliant POWER PISTOL	<<locked>>	82%	29892	90%	**81	92%
Alliant UNIQUE 👍	<<locked>>	81%	29791	89%	**16	100%
Baschieri & Pellagri 100	<<locked>>	75%	28979	87%	**88	100%
Hodgdon Clays	<<locked>>	69%	29994	90%	**89	100%
Hodgdon HS-6	<<locked>>	67%	29660	89%	**29	96%
Hodgdon Longshot	<<locked>>	64%	29153	87%	**16	97%
Hodgdon Universal	<<locked>>	74%	29414	88%	**57	100%
Hodgdon CFE Pistol	<<locked>>	76%	28979	87%	**50	100%
Hodgdon TrailBoss	<<locked>>	95%	12705	38%	**9	100%
[Lovex D037.1]*	<<locked>>	79%	29776	89%	**85	82%
Lovex S011	<<locked>>	64%	28935	87%	**04	100%
Lovex S020	<<locked>>	73%	29515	88%	**73	100%
Maxam CSB 1	<<locked>>	82%	28456	85%	**24	100%
Maxam CSB 2	<<locked>>	80%	28776	86%	**40	100%
Maxam CSB 3	<<locked>>	78%	29472	88%	**17	100%
Maxam CSB 4	<<locked>>	75%	29515	88%	**98	100%
Maxam CSB 5	<<locked>>	68%	28427	85%	**32	100%
Ramshot Silhouette	<<locked>>	68%	29965	90%	**19	100%
ReloadSwiss RS 12	<<locked>>	69%	28935	87%	**27	100%
ReloadSwiss RS 14	<<locked>>	97%	12082	36%	**9	100%
ReloadSwiss RS 20 👍	<<locked>>	84%	29704	89%	**19	100%
[ReloadSwiss RS 24]*	<<locked>>	86%	29776	89%	**68	85%
Rottweil P 801	<<locked>>	64%	28935	87%	**94	100%
Rottweil P 806	<<locked>>	93%	29747	89%	**40	97%
SNPE Vectan A0	<<locked>>	84%	29834	89%	**70	100%
SNPE Vectan BA 9	<<locked>>	76%	29892	90%	**47	100%
SNPE Vectan BA10	<<locked>>	66%	29254	88%	**06	100%
SNPE Vectan BA7 1/2	<<locked>>	89%	29196	88%	**96	97%
SNPE Vectan BA9 1/2	<<locked>>	75%	28587	86%	**37	100%
[Shooters World Major Pistol]*	<<locked>>	79%	29776	89%	**85	82%
Somchem MP200 👍	<<locked>>	75%	29762	89%	**99	100%
Somchem MS200 👍	<<locked>>	78%	29327	88%	**73	100%
[Somchem S221]*	<<locked>>	71%	29602	89%	**45	89%
Vihtavuori 3N37	<<locked>>	83%	29037	87%	**29	98%
[Vihtavuori 3N38]*	<<locked>>	96%	28587	86%	**42	86%
[Vihtavuori N105]*	<<locked>>	96%	21973	66%	**70	84%
Vihtavuori N320	<<locked>>	72%	28514	85%	**94	100%
Vihtavuori N32C Tin Star	<<locked>>	95%	27079	81%	**06	100%
Vihtavuori N330	<<locked>>	76%	29878	90%	**70	100%
Vihtavuori N340 👍	<<locked>>	79%	29022	87%	**80	100%
Vihtavuori N350	<<locked>>	86%	28979	87%	**25	98%
Winchester 231	<<locked>>	63%	28660	86%	**24	100%

Max Load - Barrel Length: 5.50''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AP 100]*	<<locked>>	72%	15360	46%	**27	80%
ADI AP 70N	<<locked>>	61%	25179	75%	**94	100%
ADI APS 350	<<locked>>	61%	24482	73%	**04	100%
ADI APS 450	<<locked>>	61%	22931	69%	**17	100%
ADI AS 30	<<locked>>	62%	21930	66%	**40	100%
ADI AS 50N	<<locked>>	61%	22989	69%	**02	100%
Accurate No. 2	<<locked>>	62%	20001	60%	**99	97%
[Accurate No. 7]*	<<locked>>	77%	26977	81%	**35	80%
Accurate Solo 1000	<<locked>>	60%	20769	62%	**47	100%
Accurate Solo 1250	<<locked>>	62%	17985	54%	**50	100%
Alliant BULLSEYE	<<locked>>	62%	23090	69%	**91	100%
[Alliant POWER PISTOL]*	<<locked>>	61%	16244	49%	**79	80%
Alliant UNIQUE	<<locked>>	61%	17724	53%	**86	97%
Baschieri & Pellagri 100	<<locked>>	62%	20378	61%	**53	100%
Hodgdon Clays	<<locked>>	61%	24772	74%	**20	100%
Hodgdon HS-6	<<locked>>	61%	23786	71%	**24	93%
Hodgdon Longshot	<<locked>>	61%	26716	80%	**80	97%
Hodgdon Universal	<<locked>>	62%	21350	64%	**29	100%
Hodgdon CFE Pistol	<<locked>>	61%	19218	58%	**86	100%
Hodgdon TrailBoss	<<locked>>	61%	6846	21%	**9	99%
[Lovex D037.1]*	<<locked>>	77%	26977	81%	**35	80%
Lovex S011	<<locked>>	60%	25875	78%	**58	100%
Lovex S020	<<locked>>	61%	19986	60%	**15	100%
Maxam CSB 1	<<locked>>	60%	16172	48%	**01	100%
Maxam CSB 2	<<locked>>	61%	17027	51%	**47	100%
Maxam CSB 3	<<locked>>	60%	18579	56%	**37	100%
Maxam CSB 4	<<locked>>	61%	20798	62%	**63	100%
Maxam CSB 5	<<locked>>	61%	23569	71%	**66	100%
Ramshot Silhouette	<<locked>>	62%	25063	75%	**34	99%
ReloadSwiss RS 12	<<locked>>	61%	23076	69%	**45	100%
ReloadSwiss RS 14	<<locked>>	63%	6860	21%	**9	96%
ReloadSwiss RS 20	<<locked>>	61%	15374	46%	**50	98%
[ReloadSwiss RS 24]*	<<locked>>	77%	23235	70%	**43	80%
Rottweil P 801	<<locked>>	60%	26049	78%	**55	100%
[Rottweil P 806]*	<<locked>>	64%	11371	34%	**01	80%
SNPE Vectan A0	<<locked>>	62%	16940	51%	**27	97%
SNPE Vectan BA 9	<<locked>>	61%	19957	60%	**83	100%
SNPE Vectan BA10	<<locked>>	62%	26034	78%	**60	100%
[SNPE Vectan BA7 1/2]*	<<locked>>	61%	13880	42%	**8	85%
SNPE Vectan BA9 1/2	<<locked>>	61%	19899	60%	**89	100%
[Shooters World Major Pistol]*	<<locked>>	77%	26977	81%	**35	80%
Somchem MP200	<<locked>>	61%	20073	60%	**22	98%
Somchem MS200	<<locked>>	61%	18260	55%	**70	98%
[Somchem S221]*	<<locked>>	61%	21611	65%	**91	83%
[Vihtavuori 3N37]*	<<locked>>	61%	15606	47%	**47	89%
[Vihtavuori 3N38]*	<<locked>>	86%	22046	66%	**14	80%
[Vihtavuori N105]*	<<locked>>	90%	18405	55%	**78	80%
Vihtavuori N320	<<locked>>	61%	20842	62%	**79	100%
Vihtavuori N32C Tin Star	<<locked>>	61%	12676	38%	**0	100%
Vihtavuori N330	<<locked>>	61%	18623	56%	**89	100%
Vihtavuori N340	<<locked>>	62%	17825	53%	**70	98%
[Vihtavuori N350]*	<<locked>>	61%	14315	43%	**07	88%
Winchester 231	<<locked>>	61%	27267	82%	**04	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