Load data for .357 Magnum + .355 | 91gr | MEN PEP

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

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.355 \| 91gr \| MEN PEP
Bullet Weight:	91gr \| 5.9g
Bullet Diameter:	0.355" \| 9.02mm
Bullet Length:	0.661" \| 16.8mm
Caliber:	.357 Magnum load data
Case Length (l3):	1.290" \| 32.8mm
Cartridge Length (C.O.L.):	1.566" \| 39.8mm
Seated Depth:	0.385" \| 9.8mm
Shank Seated Depth:	0.385" \| 9.8mm
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_B3791_C513
Last updated:	2025-01-01

Load data for 104 loads in caliber .357 Magnum with .355 | 91gr | MEN PEP bullet and 52 powders such as Alliant BULLSEYE, Alliant UNIQUE, Ramshot Silhouette, ReloadSwiss RS 20, 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>>	94%	24729	57%	**03	86%
ADI AP 70N	<<locked>>	78%	37637	87%	**70	100%
ADI AS 30	<<locked>>	89%	38653	89%	**55	100%
ADI AS 50N	<<locked>>	83%	36260	83%	**81	100%
Accurate No. 2	<<locked>>	84%	36811	85%	**60	100%
Accurate No. 5	<<locked>>	71%	38334	88%	**68	95%
Accurate Solo 1000	<<locked>>	87%	37869	87%	**85	100%
Accurate Solo 1250	<<locked>>	93%	37304	86%	**47	100%
Alliant BULLSEYE 👍	<<locked>>	81%	36230	83%	**13	100%
Alliant POWER PISTOL	<<locked>>	92%	36854	85%	**04	92%
Alliant UNIQUE 👍	<<locked>>	94%	37463	86%	**42	100%
Baschieri & Pellagri 100	<<locked>>	89%	38986	90%	**94	100%
Hodgdon Clays	<<locked>>	83%	38566	89%	**70	100%
Hodgdon HP38	<<locked>>	66%	38711	89%	**40	100%
Hodgdon HS-6	<<locked>>	76%	37579	86%	**36	96%
Hodgdon Longshot	<<locked>>	74%	38595	89%	**59	98%
Hodgdon Universal	<<locked>>	86%	37637	87%	**70	100%
Hodgdon TrailBoss	<<locked>>	93%	11211	26%	**24	100%
Lovex D036	<<locked>>	71%	38290	88%	**65	95%
Lovex S011	<<locked>>	74%	36448	84%	**94	100%
Lovex S020	<<locked>>	86%	38812	89%	**99	100%
Maxam CSB 1	<<locked>>	94%	34766	80%	**04	100%
Maxam CSB 2	<<locked>>	95%	38101	88%	**73	100%
Maxam CSB 3	<<locked>>	91%	37492	86%	**17	100%
Maxam CSB 4	<<locked>>	87%	37043	85%	**88	100%
Maxam CSB 5	<<locked>>	81%	36318	83%	**22	100%
Ramshot Silhouette 👍	<<locked>>	78%	38928	89%	**42	100%
Ramshot True Blue	<<locked>>	71%	36637	84%	**22	98%
Ramshot Zip	<<locked>>	66%	37101	85%	**27	100%
ReloadSwiss RS 12	<<locked>>	83%	38754	89%	**63	100%
ReloadSwiss RS 14	<<locked>>	91%	9718	22%	**4	97%
ReloadSwiss RS 20 👍	<<locked>>	95%	36985	85%	**29	100%
[ReloadSwiss RS 24]*	<<locked>>	96%	37260	86%	**72	85%
Rottweil P 801	<<locked>>	76%	37797	87%	**04	100%
Rottweil P 806	<<locked>>	96%	29834	69%	**16	94%
SNPE Vectan A0	<<locked>>	96%	37710	87%	**77	100%
SNPE Vectan BA 9	<<locked>>	88%	38392	88%	**50	100%
SNPE Vectan BA10	<<locked>>	80%	38972	90%	**99	100%
SNPE Vectan BA7 1/2	<<locked>>	96%	32155	74%	**34	96%
SNPE Vectan BA9 1/2	<<locked>>	87%	36448	84%	**40	100%
Shooters World Auto Pistol	<<locked>>	71%	38290	88%	**65	95%
Somchem MP200	<<locked>>	87%	38319	88%	**26	100%
Somchem MS200 👍	<<locked>>	93%	39044	90%	**09	100%
[Somchem S221]*	<<locked>>	81%	38435	88%	**72	89%
Vihtavuori 3N37	<<locked>>	94%	36419	84%	**42	98%
Vihtavuori N310	<<locked>>	72%	39088	90%	**12	100%
Vihtavuori N320	<<locked>>	86%	37913	87%	**11	100%
Vihtavuori N32C Tin Star	<<locked>>	94%	24801	57%	**29	100%
Vihtavuori N330	<<locked>>	87%	36260	83%	**63	100%
Vihtavuori N340	<<locked>>	93%	38986	90%	**13	100%
Vihtavuori N350	<<locked>>	95%	34548	79%	**03	98%
Winchester 231	<<locked>>	75%	38711	89%	**50	100%

Max Load - Barrel Length: 5.50''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AP 100]*	<<locked>>	85%	19754	45%	**68	81%
ADI AP 70N	<<locked>>	60%	22684	52%	**17	100%
ADI AS 30	<<locked>>	61%	19754	45%	**50	100%
ADI AS 50N	<<locked>>	61%	21147	49%	**19	100%
Accurate No. 2	<<locked>>	62%	18478	42%	**93	92%
[Accurate No. 5]*	<<locked>>	61%	27021	62%	**52	89%
Accurate Solo 1000	<<locked>>	60%	19725	45%	**70	100%
Accurate Solo 1250	<<locked>>	61%	16070	37%	**34	98%
Alliant BULLSEYE	<<locked>>	62%	21582	50%	**14	98%
[Alliant POWER PISTOL]*	<<locked>>	71%	20320	47%	**27	80%
Alliant UNIQUE	<<locked>>	62%	16288	37%	**76	93%
Baschieri & Pellagri 100	<<locked>>	61%	18463	42%	**53	100%
Hodgdon Clays	<<locked>>	61%	23511	54%	**47	100%
Hodgdon HP38	<<locked>>	61%	32924	76%	**62	100%
[Hodgdon HS-6]*	<<locked>>	61%	22597	52%	**44	89%
Hodgdon Longshot	<<locked>>	61%	25266	58%	**12	93%
Hodgdon Universal	<<locked>>	60%	18855	43%	**19	100%
Hodgdon TrailBoss	<<locked>>	62%	6135	14%	**1	95%
[Lovex D036]*	<<locked>>	61%	26977	62%	**49	89%
Lovex S011	<<locked>>	62%	25527	59%	**17	100%
Lovex S020	<<locked>>	62%	18782	43%	**32	97%
Maxam CSB 1	<<locked>>	62%	15505	36%	**04	98%
Maxam CSB 2	<<locked>>	60%	14997	34%	**30	100%
Maxam CSB 3	<<locked>>	62%	18043	41%	**63	100%
Maxam CSB 4	<<locked>>	61%	19276	44%	**76	100%
Maxam CSB 5	<<locked>>	62%	22481	52%	**96	100%
Ramshot Silhouette	<<locked>>	61%	22858	53%	**50	96%
Ramshot True Blue	<<locked>>	61%	25701	59%	**06	93%
Ramshot Zip	<<locked>>	61%	31720	73%	**49	100%
ReloadSwiss RS 12	<<locked>>	61%	20639	47%	**68	100%
[ReloadSwiss RS 14]*	<<locked>>	61%	5613	13%	**4	89%
ReloadSwiss RS 20	<<locked>>	61%	13909	32%	**20	93%
[ReloadSwiss RS 24]*	<<locked>>	86%	28485	65%	**17	80%
Rottweil P 801	<<locked>>	61%	24831	57%	**04	100%
[Rottweil P 806]*	<<locked>>	75%	14547	33%	**25	81%
SNPE Vectan A0	<<locked>>	60%	15026	35%	**91	92%
SNPE Vectan BA 9	<<locked>>	60%	18391	42%	**76	98%
SNPE Vectan BA10	<<locked>>	62%	24743	57%	**89	100%
[SNPE Vectan BA7 1/2]*	<<locked>>	64%	14025	32%	**71	81%
SNPE Vectan BA9 1/2	<<locked>>	62%	18391	42%	**96	99%
[Shooters World Auto Pistol]*	<<locked>>	61%	26977	62%	**49	89%
Somchem MP200	<<locked>>	61%	18652	43%	**25	94%
Somchem MS200	<<locked>>	61%	17056	39%	**70	95%
[Somchem S221]*	<<locked>>	67%	24178	56%	**96	81%
[Vihtavuori 3N37]*	<<locked>>	61%	13822	32%	**04	82%
Vihtavuori N310	<<locked>>	61%	29037	67%	**78	100%
Vihtavuori N320	<<locked>>	61%	18898	43%	**89	100%
Vihtavuori N32C Tin Star	<<locked>>	61%	11168	26%	**20	100%
Vihtavuori N330	<<locked>>	61%	16940	39%	**93	100%
Vihtavuori N340	<<locked>>	62%	16201	37%	**50	94%
[Vihtavuori N350]*	<<locked>>	60%	12488	29%	**52	80%
Winchester 231	<<locked>>	61%	25527	59%	**50	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