Load data for .357 Magnum + .355 | 115gr | LOS RN FMJ

Recommended Powder(s): Alliant UNIQUE, ReloadSwiss RS 20, Somchem MS200, Vihtavuori 3N37, Vihtavuori N340

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.355 \| 115gr \| LOS RN FMJ
Bullet Weight:	115gr \| 7.5g
Bullet Diameter:	0.355" \| 9.02mm
Bullet Length:	0.569" \| 14.4mm
Caliber:	.357 Magnum load data
Case Length (l3):	1.290" \| 32.8mm
Cartridge Length (C.O.L.):	1.337" \| 34.0mm
Seated Depth:	0.521" \| 13.2mm
Shank Seated Depth:	0.521" \| 13.2mm
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_B3530_C513
Last updated:	2025-02-02

Load data for 114 loads in caliber .357 Magnum with .355 | 115gr | LOS RN FMJ bullet and 57 powders such as Alliant UNIQUE, ReloadSwiss RS 20, Somchem MS200, Vihtavuori 3N37, 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>>	96%	26194	60%	**02	89%
ADI AP 70N	<<locked>>	77%	36230	83%	**85	100%
ADI APS 350	<<locked>>	83%	38421	88%	**04	100%
ADI APS 450	<<locked>>	82%	35447	81%	**07	100%
ADI AS 30	<<locked>>	88%	37434	86%	**80	100%
ADI AS 50N	<<locked>>	85%	38203	88%	**39	100%
Accurate No. 2	<<locked>>	84%	37231	86%	**98	100%
Accurate No. 5	<<locked>>	71%	38159	88%	**93	96%
[Accurate No. 7]*	<<locked>>	90%	38827	89%	**42	85%
Accurate Solo 1000	<<locked>>	84%	35491	82%	**96	100%
Accurate Solo 1250	<<locked>>	91%	35955	83%	**58	100%
Alliant BULLSEYE	<<locked>>	80%	35853	82%	**30	100%
Alliant POWER PISTOL	<<locked>>	94%	37898	87%	**39	94%
Alliant UNIQUE 👍	<<locked>>	95%	38159	88%	**70	100%
Baschieri & Pellagri 100	<<locked>>	87%	36448	84%	**09	100%
Hodgdon Clays	<<locked>>	83%	39015	90%	**24	100%
Hodgdon HP38	<<locked>>	67%	39030	90%	**78	100%
Hodgdon HS-6	<<locked>>	77%	37623	86%	**73	98%
Hodgdon Longshot	<<locked>>	74%	38841	89%	**80	99%
Hodgdon Universal	<<locked>>	85%	36230	83%	**85	100%
Hodgdon TrailBoss	<<locked>>	91%	11124	26%	**3	100%
Lovex D036	<<locked>>	71%	38101	88%	**93	96%
[Lovex D037.1]*	<<locked>>	90%	38827	89%	**42	85%
Lovex S011	<<locked>>	77%	38711	89%	**58	100%
Lovex S020	<<locked>>	84%	36912	85%	**07	100%
Maxam CSB 1	<<locked>>	97%	36970	85%	**71	100%
Maxam CSB 2	<<locked>>	92%	35694	82%	**68	100%
Maxam CSB 3	<<locked>>	92%	38508	88%	**65	100%
Maxam CSB 4	<<locked>>	89%	39146	90%	**45	100%
Maxam CSB 5	<<locked>>	81%	36434	84%	**63	100%
Ramshot Silhouette	<<locked>>	77%	36724	84%	**44	100%
Ramshot True Blue	<<locked>>	72%	37884	87%	**70	99%
Ramshot Zip	<<locked>>	65%	36085	83%	**52	100%
ReloadSwiss RS 12	<<locked>>	81%	37507	86%	**71	100%
ReloadSwiss RS 14	<<locked>>	93%	10602	24%	**0	99%
ReloadSwiss RS 20 👍	<<locked>>	93%	34635	80%	**30	100%
[ReloadSwiss RS 24]*	<<locked>>	96%	37869	87%	**12	87%
Rottweil P 801	<<locked>>	76%	37652	87%	**39	100%
Rottweil P 806	<<locked>>	96%	28543	66%	**57	96%
SNPE Vectan A0	<<locked>>	93%	35288	81%	**71	100%
SNPE Vectan BA 9	<<locked>>	88%	38740	89%	**88	100%
SNPE Vectan BA10	<<locked>>	76%	35433	81%	**07	100%
SNPE Vectan BA7 1/2	<<locked>>	94%	31096	71%	**58	96%
SNPE Vectan BA9 1/2	<<locked>>	86%	35636	82%	**65	100%
Shooters World Auto Pistol	<<locked>>	71%	38101	88%	**93	96%
[Shooters World Major Pistol]*	<<locked>>	90%	38827	89%	**42	85%
Somchem MP200	<<locked>>	87%	38174	88%	**50	100%
Somchem MS200 👍	<<locked>>	90%	36201	83%	**01	100%
Somchem S221	<<locked>>	82%	39030	90%	**16	92%
Vihtavuori 3N37 👍	<<locked>>	95%	37391	86%	**76	99%
Vihtavuori N310	<<locked>>	71%	38218	88%	**47	100%
Vihtavuori N320	<<locked>>	84%	36274	83%	**25	100%
Vihtavuori N32C Tin Star	<<locked>>	93%	24787	57%	**06	100%
Vihtavuori N330	<<locked>>	86%	35143	81%	**78	100%
Vihtavuori N340 👍	<<locked>>	92%	38029	87%	**27	100%
Vihtavuori N350	<<locked>>	97%	36230	83%	**53	99%
Winchester 231	<<locked>>	72%	36085	83%	**52	100%

Max Load - Barrel Length: 5.50''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AP 100]*	<<locked>>	81%	17985	41%	**15	81%
ADI AP 70N	<<locked>>	62%	24207	56%	**11	100%
ADI APS 350	<<locked>>	61%	23308	54%	**14	100%
ADI APS 450	<<locked>>	61%	21930	50%	**30	100%
ADI AS 30	<<locked>>	62%	20769	48%	**53	100%
ADI AS 50N	<<locked>>	62%	21596	50%	**09	100%
Accurate No. 2	<<locked>>	60%	17912	41%	**73	94%
Accurate No. 5	<<locked>>	61%	26542	61%	**16	91%
[Accurate No. 7]*	<<locked>>	83%	30255	70%	**17	80%
Accurate Solo 1000	<<locked>>	60%	19754	45%	**56	100%
Accurate Solo 1250	<<locked>>	60%	16041	37%	**30	99%
Alliant BULLSEYE	<<locked>>	60%	20682	48%	**68	98%
[Alliant POWER PISTOL]*	<<locked>>	67%	18086	42%	**55	81%
Alliant UNIQUE	<<locked>>	62%	16665	38%	**83	95%
Baschieri & Pellagri 100	<<locked>>	60%	18086	42%	**43	100%
Hodgdon Clays	<<locked>>	61%	23554	54%	**30	100%
Hodgdon HP38	<<locked>>	60%	31937	73%	**96	100%
Hodgdon HS-6	<<locked>>	61%	22133	51%	**07	90%
Hodgdon Longshot	<<locked>>	61%	24685	57%	**63	94%
Hodgdon Universal	<<locked>>	60%	19189	44%	**09	100%
[Hodgdon TrailBoss]²	<<locked>>	59%	6324	15%	**9	97%
Lovex D036	<<locked>>	61%	26731	61%	**09	91%
[Lovex D037.1]*	<<locked>>	83%	30255	70%	**17	80%
Lovex S011	<<locked>>	61%	24845	57%	**75	100%
Lovex S020	<<locked>>	61%	18826	43%	**15	99%
Maxam CSB 1	<<locked>>	61%	15331	35%	**07	99%
Maxam CSB 2	<<locked>>	61%	16012	37%	**60	100%
Maxam CSB 3	<<locked>>	60%	17593	40%	**47	100%
Maxam CSB 4	<<locked>>	61%	19580	45%	**70	100%
Maxam CSB 5	<<locked>>	61%	22350	51%	**76	100%
Ramshot Silhouette	<<locked>>	61%	22800	52%	**17	97%
Ramshot True Blue	<<locked>>	62%	26368	61%	**89	95%
Ramshot Zip	<<locked>>	62%	32489	75%	**06	100%
ReloadSwiss RS 12	<<locked>>	62%	21553	50%	**55	100%
ReloadSwiss RS 14	<<locked>>	62%	6309	14%	**9	93%
ReloadSwiss RS 20	<<locked>>	62%	14547	33%	**47	96%
[ReloadSwiss RS 24]*	<<locked>>	85%	26876	62%	**42	81%
Rottweil P 801	<<locked>>	61%	24613	57%	**68	100%
[Rottweil P 806]*	<<locked>>	72%	13126	30%	**93	82%
SNPE Vectan A0	<<locked>>	60%	15156	35%	**04	94%
SNPE Vectan BA 9	<<locked>>	61%	19131	44%	**89	99%
SNPE Vectan BA10	<<locked>>	62%	25106	58%	**79	100%
[SNPE Vectan BA7 1/2]*	<<locked>>	62%	13256	30%	**8	82%
SNPE Vectan BA9 1/2	<<locked>>	62%	18797	43%	**96	100%
Shooters World Auto Pistol	<<locked>>	61%	26731	61%	**09	91%
[Shooters World Major Pistol]*	<<locked>>	83%	30255	70%	**17	80%
Somchem MP200	<<locked>>	61%	19131	44%	**32	96%
Somchem MS200	<<locked>>	61%	17419	40%	**76	97%
[Somchem S221]*	<<locked>>	64%	21625	50%	**14	81%
[Vihtavuori 3N37]*	<<locked>>	60%	13822	32%	**24	85%
Vihtavuori N310	<<locked>>	62%	30095	69%	**52	100%
Vihtavuori N320	<<locked>>	61%	19667	45%	**89	100%
Vihtavuori N32C Tin Star	<<locked>>	61%	11821	27%	**6	100%
Vihtavuori N330	<<locked>>	61%	17477	40%	**99	100%
Vihtavuori N340	<<locked>>	60%	15809	36%	**47	95%
[Vihtavuori N350]*	<<locked>>	60%	12850	30%	**8	84%
Winchester 231	<<locked>>	62%	26339	61%	**20	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