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:	0.618" \| 15.7mm
Caliber:	.357 Magnum load data
Case Length (l3):	1.290" \| 32.8mm
Cartridge Length (C.O.L.):	1.363" \| 34.6mm
Seated Depth:	0.545" \| 13.9mm
Shank Seated Depth:	0.545" \| 13.9mm
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:	2025-02-02

Load data for 116 loads in caliber .357 Magnum with .355 | 124gr | ALSA PRO FMJ bullet and 58 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>>	93%	24018	55%	**04	88%
ADI AP 70N	<<locked>>	77%	36129	83%	**16	100%
ADI APS 350	<<locked>>	79%	34896	80%	**06	100%
ADI APS 450	<<locked>>	83%	36390	84%	**58	100%
ADI AS 30	<<locked>>	89%	38754	89%	**30	100%
ADI AS 50N	<<locked>>	84%	37318	86%	**66	100%
Accurate No. 2	<<locked>>	82%	34998	80%	**99	100%
Accurate No. 5	<<locked>>	69%	35737	82%	**94	96%
[Accurate No. 7]*	<<locked>>	89%	37985	87%	**70	86%
Accurate Solo 1000	<<locked>>	86%	36927	85%	**37	100%
Accurate Solo 1250	<<locked>>	94%	37942	87%	**16	100%
Alliant BULLSEYE	<<locked>>	82%	37594	86%	**85	100%
Alliant POWER PISTOL	<<locked>>	93%	37188	85%	**57	94%
Alliant UNIQUE 👍	<<locked>>	95%	38377	88%	**04	100%
Baschieri & Pellagri 100	<<locked>>	89%	38232	88%	**63	100%
Hodgdon Clays	<<locked>>	79%	35288	81%	**25	100%
Hodgdon HP38	<<locked>>	65%	37072	85%	**89	100%
Hodgdon HS-6	<<locked>>	78%	39044	90%	**14	98%
Hodgdon Longshot	<<locked>>	72%	36390	84%	**85	99%
Hodgdon Universal	<<locked>>	87%	38014	87%	**35	100%
Hodgdon TrailBoss	<<locked>>	95%	11647	27%	**3	100%
Lovex D036	<<locked>>	69%	35679	82%	**94	96%
[Lovex D037.1]*	<<locked>>	89%	37985	87%	**70	86%
Lovex S011	<<locked>>	74%	36521	84%	**66	100%
Lovex S020	<<locked>>	84%	37217	86%	**42	100%
Maxam CSB 1	<<locked>>	94%	35143	81%	**80	100%
Maxam CSB 2	<<locked>>	94%	37275	86%	**16	100%
Maxam CSB 3	<<locked>>	90%	36419	84%	**70	100%
Maxam CSB 4	<<locked>>	87%	36782	85%	**53	100%
Maxam CSB 5	<<locked>>	82%	37507	86%	**11	100%
Ramshot Silhouette	<<locked>>	77%	37391	86%	**78	100%
Ramshot True Blue	<<locked>>	72%	37072	85%	**85	99%
Ramshot Zip	<<locked>>	65%	35766	82%	**80	100%
ReloadSwiss RS 12	<<locked>>	81%	37159	85%	**99	100%
ReloadSwiss RS 14	<<locked>>	94%	10124	23%	**4	99%
ReloadSwiss RS 20 👍	<<locked>>	94%	35230	81%	**62	100%
[ReloadSwiss RS 24]*	<<locked>>	95%	36477	84%	**27	88%
Rottweil P 801	<<locked>>	74%	35389	81%	**43	100%
Rottweil P 806	<<locked>>	95%	27688	64%	**81	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>>	86%	35447	81%	**93	100%
Shooters World Auto Pistol	<<locked>>	69%	35679	82%	**94	96%
[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>>	80%	36999	85%	**21	91%
Vihtavuori 3N37	<<locked>>	94%	36738	84%	**04	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>>	86%	35505	82%	**12	100%
Vihtavuori N340 👍	<<locked>>	91%	36492	84%	**39	100%
Vihtavuori N350	<<locked>>	96%	35027	81%	**75	99%
Winchester 231	<<locked>>	72%	35766	82%	**80	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 BULLSEYE	<<locked>>	61%	21190	49%	**29	99%
[Alliant POWER PISTOL]*	<<locked>>	65%	16897	39%	**73	80%
Alliant UNIQUE	<<locked>>	61%	15737	36%	**10	95%
Baschieri & Pellagri 100	<<locked>>	61%	18376	42%	**4	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 TrailBoss	<<locked>>	71%	7339	17%	**9	99%
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 14	<<locked>>	69%	6585	15%	**9	95%
ReloadSwiss RS 20	<<locked>>	60%	13721	32%	**1	96%
[ReloadSwiss RS 24]*	<<locked>>	83%	25121	58%	**47	81%
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%
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>>	62%	11429	26%	**7	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