Load data for .357 Magnum + .355 | 124gr | ALSA PRO FMJ

Recommended Powder(s): Alliant UNIQUE, ReloadSwiss RS 20, SNPE Vectan A0, Somchem MS200, Vihtavuori N340

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.355 \| 124gr \| ALSA PRO FMJ
Manufacturer SKU:	FMJ_355_124
Bullet Weight:	124gr \| 8.0g
Bullet Diameter:	0.355" \| 9.02mm
Bullet Length:	<<locked>>
Caliber:	.357 Magnum load data
Case Length (l3):	1.290" \| 32.8mm
Cartridge Length (C.O.L.):	<<locked>>
Seated Depth:	<<locked>>
Shank Seated Depth:	<<locked>>
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_B10926_C513
Last updated:	2026-02-02

Load data for 126 loads in caliber .357 Magnum with .355 | 124gr | ALSA PRO FMJ bullet and 63 powders such as Alliant UNIQUE, ReloadSwiss RS 20, SNPE Vectan A0, Somchem MS200, 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>>	95%	25077	58%	**24	89%
ADI AP 70N	<<locked>>	79%	38014	87%	**35	100%
ADI APS 350	<<locked>>	82%	37130	85%	**29	100%
ADI APS 450	<<locked>>	86%	38450	88%	**81	100%
ADI AS 30	<<locked>>	89%	38754	89%	**30	100%
ADI AS 50N	<<locked>>	84%	37318	86%	**66	100%
Accurate No. 2	<<locked>>	84%	37275	86%	**29	100%
Accurate No. 5	<<locked>>	70%	37362	86%	**21	97%
[Accurate No. 7]*	<<locked>>	89%	37985	87%	**70	86%
Accurate Solo 1000	<<locked>>	88%	39015	90%	**63	100%
Accurate Solo 1250	<<locked>>	94%	37942	87%	**16	100%
Alliant BE-86	<<locked>>	91%	37347	86%	**02	100%
Alliant BULLSEYE	<<locked>>	82%	37594	86%	**85	100%
Alliant Herco	<<locked>>	96%	27093	62%	**47	100%
Alliant POWER PISTOL	<<locked>>	93%	37188	85%	**57	94%
Alliant Sport Pistol	<<locked>>	78%	38537	89%	**94	100%
Alliant UNIQUE 👍	<<locked>>	95%	38377	88%	**04	100%
Baschieri & Pellagri 100	<<locked>>	89%	38232	88%	**63	100%
Baschieri & Pellagri 102 Pistol	<<locked>>	95%	27079	62%	**58	100%
Baschieri & Pellagri 103 Pistol	<<locked>>	84%	38072	88%	**86	100%
Hodgdon Clays	<<locked>>	82%	37681	87%	**48	100%
Hodgdon HP38	<<locked>>	65%	37072	85%	**89	100%
Hodgdon HS-6	<<locked>>	78%	39044	90%	**14	98%
Hodgdon Longshot	<<locked>>	74%	38043	87%	**07	99%
Hodgdon Universal	<<locked>>	87%	38014	87%	**35	100%
Hodgdon CFE Pistol	<<locked>>	89%	37608	86%	**25	100%
Lovex D036	<<locked>>	70%	37304	86%	**21	97%
[Lovex D037.1]*	<<locked>>	89%	37985	87%	**70	86%
Lovex S011	<<locked>>	76%	38653	89%	**86	100%
Lovex S020	<<locked>>	84%	37217	86%	**42	100%
Maxam CSB 1	<<locked>>	97%	37101	85%	**02	100%
Maxam CSB 2	<<locked>>	94%	37275	86%	**16	100%
Maxam CSB 3	<<locked>>	92%	38522	89%	**96	100%
Maxam CSB 4	<<locked>>	89%	38624	89%	**76	100%
Maxam CSB 5	<<locked>>	82%	37507	86%	**11	100%
Ramshot Silhouette	<<locked>>	77%	37391	86%	**78	100%
Ramshot True Blue	<<locked>>	73%	38754	89%	**11	99%
Ramshot Zip	<<locked>>	66%	37695	87%	**99	100%
ReloadSwiss RS 12	<<locked>>	84%	39073	90%	**19	100%
ReloadSwiss RS 20 👍	<<locked>>	96%	37115	85%	**81	100%
[ReloadSwiss RS 24]*	<<locked>>	97%	37753	87%	**50	88%
Rottweil P 801	<<locked>>	76%	37318	86%	**66	100%
Rottweil P 806	<<locked>>	96%	28863	66%	**98	96%
SNPE Vectan A0 👍	<<locked>>	96%	37057	85%	**32	100%
SNPE Vectan BA 9	<<locked>>	89%	39146	90%	**25	100%
SNPE Vectan BA10	<<locked>>	80%	38435	88%	**81	100%
SNPE Vectan BA7 1/2	<<locked>>	95%	31778	73%	**02	97%
SNPE Vectan BA9 1/2	<<locked>>	89%	37347	86%	**19	100%
SNPE Vectan SP 2	<<locked>>	91%	38783	89%	**99	97%
Shooters World Auto Pistol	<<locked>>	70%	37304	86%	**21	97%
[Shooters World Major Pistol]*	<<locked>>	89%	37985	87%	**70	86%
Somchem MP200	<<locked>>	87%	38609	89%	**91	100%
Somchem MS200 👍	<<locked>>	92%	38130	88%	**55	100%
Somchem S221	<<locked>>	82%	38711	89%	**37	92%
Vihtavuori 3N37	<<locked>>	96%	38522	89%	**24	99%
[Vihtavuori 3N38]*	<<locked>>	96%	26223	60%	**63	83%
Vihtavuori N310	<<locked>>	70%	36811	85%	**71	100%
Vihtavuori N320	<<locked>>	86%	37985	87%	**76	100%
Vihtavuori N32C Tin Star	<<locked>>	95%	25454	59%	**63	100%
Vihtavuori N330	<<locked>>	88%	37405	86%	**32	100%
Vihtavuori N340 👍	<<locked>>	93%	38522	89%	**65	100%
Vihtavuori N350	<<locked>>	96%	35027	81%	**75	99%
Winchester 231	<<locked>>	74%	37695	87%	**99	100%

Max Load - Barrel Length: 5.50''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AP 100]*	<<locked>>	77%	16041	37%	**20	80%
ADI AP 70N	<<locked>>	61%	23177	53%	**38	100%
ADI APS 350	<<locked>>	61%	23264	53%	**1	100%
ADI APS 450	<<locked>>	62%	22089	51%	**8	100%
ADI AS 30	<<locked>>	62%	20639	47%	**01	100%
ADI AS 50N	<<locked>>	60%	20552	47%	**33	100%
Accurate No. 2	<<locked>>	61%	18405	42%	**33	95%
Accurate No. 5	<<locked>>	61%	26774	62%	**53	92%
[Accurate No. 7]*	<<locked>>	82%	28892	66%	**32	81%
Accurate Solo 1000	<<locked>>	61%	19827	46%	**07	100%
Accurate Solo 1250	<<locked>>	61%	15983	37%	**4	100%
Alliant BE-86	<<locked>>	61%	16375	38%	**4	100%
Alliant BULLSEYE	<<locked>>	61%	21190	49%	**29	99%
Alliant Herco	<<locked>>	60%	11429	26%	**3	90%
[Alliant POWER PISTOL]*	<<locked>>	65%	16897	39%	**73	80%
Alliant Sport Pistol	<<locked>>	61%	23467	54%	**71	99%
Alliant UNIQUE	<<locked>>	61%	15737	36%	**10	95%
Baschieri & Pellagri 100	<<locked>>	61%	18376	42%	**4	100%
Baschieri & Pellagri 102 Pistol	<<locked>>	62%	11473	26%	**9	100%
Baschieri & Pellagri 103 Pistol	<<locked>>	61%	19276	44%	**47	100%
Hodgdon Clays	<<locked>>	61%	23641	54%	**8	100%
Hodgdon HP38	<<locked>>	62%	33402	77%	**43	100%
Hodgdon HS-6	<<locked>>	61%	21959	50%	**61	91%
Hodgdon Longshot	<<locked>>	61%	24801	57%	**11	95%
Hodgdon Universal	<<locked>>	61%	19189	44%	**63	100%
Hodgdon CFE Pistol	<<locked>>	60%	17593	40%	**27	100%
Lovex D036	<<locked>>	61%	26731	61%	**53	92%
[Lovex D037.1]*	<<locked>>	82%	28892	66%	**32	81%
Lovex S011	<<locked>>	62%	25454	58%	**25	100%
Lovex S020	<<locked>>	60%	18028	41%	**53	99%
Maxam CSB 1	<<locked>>	61%	15287	35%	**5	99%
Maxam CSB 2	<<locked>>	62%	15780	36%	**07	100%
Maxam CSB 3	<<locked>>	61%	17477	40%	**7	100%
Maxam CSB 4	<<locked>>	62%	19783	45%	**24	100%
Maxam CSB 5	<<locked>>	62%	22611	52%	**24	100%
Ramshot Silhouette	<<locked>>	61%	22626	52%	**61	98%
Ramshot True Blue	<<locked>>	61%	25208	58%	**14	95%
Ramshot Zip	<<locked>>	61%	32169	74%	**40	100%
ReloadSwiss RS 12	<<locked>>	61%	20523	47%	**86	100%
ReloadSwiss RS 20	<<locked>>	60%	13721	32%	**1	96%
[ReloadSwiss RS 24]*	<<locked>>	81%	24120	55%	**30	80%
Rottweil P 801	<<locked>>	62%	25121	58%	**19	100%
[Rottweil P 806]*	<<locked>>	70%	11879	27%	**07	81%
SNPE Vectan A0	<<locked>>	61%	15476	36%	**5	95%
SNPE Vectan BA 9	<<locked>>	60%	18333	42%	**24	99%
SNPE Vectan BA10	<<locked>>	60%	23728	55%	**01	100%
[SNPE Vectan BA7 1/2]*	<<locked>>	61%	12720	29%	**2	83%
SNPE Vectan BA9 1/2	<<locked>>	61%	17854	41%	**24	100%
[SNPE Vectan SP 2]*	<<locked>>	61%	14620	34%	**47	80%
Shooters World Auto Pistol	<<locked>>	61%	26731	61%	**53	92%
[Shooters World Major Pistol]*	<<locked>>	82%	28892	66%	**32	81%
Somchem MP200	<<locked>>	61%	18434	42%	**70	96%
Somchem MS200	<<locked>>	62%	17608	40%	**30	98%
[Somchem S221]*	<<locked>>	62%	19885	46%	**22	80%
[Vihtavuori 3N37]*	<<locked>>	62%	14112	32%	**4	86%
[Vihtavuori 3N38]*	<<locked>>	93%	23641	54%	**17	81%
Vihtavuori N310	<<locked>>	60%	28413	65%	**76	100%
Vihtavuori N320	<<locked>>	62%	19856	46%	**40	100%
Vihtavuori N32C Tin Star	<<locked>>	64%	12299	28%	**0	100%
Vihtavuori N330	<<locked>>	60%	16520	38%	**30	100%
Vihtavuori N340	<<locked>>	61%	15969	37%	**04	96%
[Vihtavuori N350]*	<<locked>>	61%	12879	30%	**8	85%
Winchester 231	<<locked>>	61%	25599	59%	**52	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