Load data for .357 Magnum + .358 | 158gr | Speer LRN

Recommended Powder(s): ADI AP 100, SNPE Vectan BA7 1/2, Vihtavuori 3N37, Vihtavuori N350

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.358 \| 158gr \| Speer LRN
Manufacturer SKU:	4647
Bullet Weight:	158gr \| 10.2g
Bullet Diameter:	0.358" \| 9.09mm
Bullet Length:	0.670" \| 17.0mm
Caliber:	.357 Magnum load data
Case Length (l3):	1.290" \| 32.8mm
Cartridge Length (C.O.L.):	1.566" \| 39.8mm
Seated Depth:	0.394" \| 10.0mm
Shank Seated Depth:	0.394" \| 10.0mm
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_B6233_C513
Last updated:	2025-02-02

Load data for 120 loads in caliber .357 Magnum with .358 | 158gr | Speer LRN bullet and 60 powders such as ADI AP 100, SNPE Vectan BA7 1/2, Vihtavuori 3N37, Vihtavuori N350. 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.

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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%	34969	80%	**99	99%
ADI AP 70N	<<locked>>	69%	38899	89%	**34	100%
ADI APS 350	<<locked>>	74%	37028	85%	**47	100%
ADI APS 450	<<locked>>	74%	35810	82%	**60	100%
ADI AS 30	<<locked>>	77%	36637	84%	**09	100%
ADI AS 50N	<<locked>>	76%	38624	89%	**71	100%
Accurate No. 2	<<locked>>	74%	37391	86%	**37	100%
Accurate No. 7	<<locked>>	77%	37202	85%	**85	93%
[Accurate No. 9]*	<<locked>>	85%	37057	85%	**71	88%
Accurate Solo 1000	<<locked>>	77%	38334	88%	**52	100%
Accurate Solo 1250	<<locked>>	83%	38754	89%	**11	100%
Accurate TCM	<<locked>>	86%	38957	90%	**91	90%
[Alliant 2400]*	<<locked>>	95%	35244	81%	**62	83%
Alliant BLUE DOT	<<locked>>	95%	33475	77%	**22	91%
Alliant BULLSEYE	<<locked>>	71%	37318	86%	**60	100%
Alliant POWER PISTOL	<<locked>>	80%	36622	84%	**62	99%
Alliant UNIQUE	<<locked>>	82%	37318	86%	**73	100%
Baschieri & Pellagri 100	<<locked>>	79%	39015	90%	**65	100%
Hodgdon Clays	<<locked>>	74%	37681	87%	**60	100%
Hodgdon HS-6	<<locked>>	67%	38479	88%	**16	100%
Hodgdon Longshot	<<locked>>	63%	36811	85%	**96	100%
Hodgdon Universal	<<locked>>	75%	37275	86%	**17	100%
Hodgdon TrailBoss	<<locked>>	92%	13924	32%	**7	100%
Lovex D037.1	<<locked>>	77%	37202	85%	**85	93%
[Lovex D037.2]*	<<locked>>	85%	38305	88%	**81	88%
Lovex S011	<<locked>>	65%	35998	83%	**55	100%
Lovex S020	<<locked>>	74%	37811	87%	**34	100%
Maxam CSB 1	<<locked>>	83%	36201	83%	**84	100%
Maxam CSB 2	<<locked>>	83%	39044	90%	**14	100%
Maxam CSB 3	<<locked>>	80%	37826	87%	**78	100%
Maxam CSB 4	<<locked>>	76%	36738	84%	**45	100%
Maxam CSB 5	<<locked>>	73%	37753	87%	**12	100%
[Ramshot Enforcer]*	<<locked>>	97%	36071	83%	**88	85%
Ramshot Silhouette	<<locked>>	68%	38377	88%	**86	100%
Ramshot True Blue	<<locked>>	63%	38609	89%	**09	100%
ReloadSwiss RS 12	<<locked>>	71%	37376	86%	**84	100%
ReloadSwiss RS 14	<<locked>>	94%	12763	29%	**4	100%
ReloadSwiss RS 20	<<locked>>	83%	38261	88%	**73	100%
ReloadSwiss RS 24	<<locked>>	83%	36709	84%	**58	95%
Rottweil P 801	<<locked>>	67%	38624	89%	**61	100%
Rottweil P 806	<<locked>>	89%	38218	88%	**01	100%
SNPE Vectan A0	<<locked>>	84%	37043	85%	**24	100%
SNPE Vectan BA 9	<<locked>>	76%	37072	85%	**01	100%
SNPE Vectan BA10	<<locked>>	73%	39146	90%	**93	100%
SNPE Vectan BA7 1/2 👍	<<locked>>	91%	38928	89%	**02	100%
SNPE Vectan BA9 1/2	<<locked>>	78%	38072	87%	**11	100%
[Shooters World Heavy Pistol]*	<<locked>>	85%	38305	88%	**81	88%
Shooters World Major Pistol	<<locked>>	77%	37202	85%	**85	93%
Somchem MP200	<<locked>>	76%	38348	88%	**80	100%
Somchem MS200	<<locked>>	81%	38363	88%	**53	100%
Somchem S221	<<locked>>	71%	38421	88%	**65	98%
Vihtavuori 3N37 👍	<<locked>>	83%	38928	89%	**22	100%
Vihtavuori 3N38	<<locked>>	95%	37884	87%	**62	96%
Vihtavuori N105	<<locked>>	96%	31053	71%	**32	98%
Vihtavuori N320	<<locked>>	75%	38072	87%	**65	100%
Vihtavuori N32C Tin Star	<<locked>>	95%	32532	75%	**47	100%
Vihtavuori N330	<<locked>>	77%	38899	89%	**27	100%
Vihtavuori N340	<<locked>>	81%	38493	88%	**53	100%
Vihtavuori N350 👍	<<locked>>	84%	36129	83%	**86	100%
Winchester 231	<<locked>>	64%	36666	84%	**81	100%

Max Load - Barrel Length: 5.50''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AP 100]*	<<locked>>	61%	13402	31%	**6	85%
ADI AP 70N	<<locked>>	60%	29704	68%	**29	100%
ADI APS 350	<<locked>>	61%	27050	62%	**2	100%
ADI APS 450	<<locked>>	62%	26600	61%	**8	100%
ADI AS 30	<<locked>>	60%	24192	56%	**5	100%
ADI AS 50N	<<locked>>	61%	26266	60%	**30	100%
Accurate No. 2	<<locked>>	62%	24569	56%	**76	100%
[Accurate No. 7]*	<<locked>>	61%	20030	46%	**02	83%
[Accurate No. 9]*	<<locked>>	75%	25643	59%	**94	81%
Accurate Solo 1000	<<locked>>	62%	25889	60%	**14	100%
Accurate Solo 1250	<<locked>>	61%	21248	49%	**7	100%
[Accurate TCM]*	<<locked>>	72%	23192	53%	**52	80%
[Alliant 2400]*	<<locked>>	91%	30400	70%	**93	81%
[Alliant BLUE DOT]*	<<locked>>	76%	19783	45%	**79	81%
Alliant BULLSEYE	<<locked>>	62%	28181	65%	**52	100%
Alliant POWER PISTOL	<<locked>>	61%	20233	46%	**89	92%
Alliant UNIQUE	<<locked>>	62%	21422	49%	**53	100%
Baschieri & Pellagri 100	<<locked>>	61%	23757	55%	**1	100%
Hodgdon Clays	<<locked>>	61%	27514	63%	**1	100%
Hodgdon HS-6	<<locked>>	61%	30487	70%	**20	100%
Hodgdon Longshot	<<locked>>	61%	33997	78%	**63	100%
Hodgdon Universal	<<locked>>	62%	25599	59%	**76	100%
Hodgdon TrailBoss	<<locked>>	67%	7977	18%	**3	100%
[Lovex D037.1]*	<<locked>>	61%	20030	46%	**02	83%
[Lovex D037.2]*	<<locked>>	73%	24714	57%	**81	80%
Lovex S011	<<locked>>	62%	32750	75%	**22	100%
Lovex S020	<<locked>>	62%	25556	59%	**93	100%
Maxam CSB 1	<<locked>>	62%	20262	47%	**8	100%
Maxam CSB 2	<<locked>>	62%	21683	50%	**10	100%
Maxam CSB 3	<<locked>>	61%	23221	53%	**07	100%
Maxam CSB 4	<<locked>>	61%	24642	57%	**07	100%
Maxam CSB 5	<<locked>>	61%	27934	64%	**04	100%
[Ramshot Enforcer]*	<<locked>>	90%	28892	66%	**86	81%
Ramshot Silhouette	<<locked>>	60%	30124	69%	**88	100%
Ramshot True Blue	<<locked>>	61%	35824	82%	**80	100%
ReloadSwiss RS 12	<<locked>>	61%	28065	64%	**79	100%
ReloadSwiss RS 14	<<locked>>	69%	7527	17%	**6	100%
ReloadSwiss RS 20	<<locked>>	61%	19522	45%	**27	100%
[ReloadSwiss RS 24]*	<<locked>>	61%	17941	41%	**37	83%
Rottweil P 801	<<locked>>	61%	32329	74%	**02	100%
Rottweil P 806	<<locked>>	61%	13561	31%	**8	91%
SNPE Vectan A0	<<locked>>	60%	19580	45%	**8	100%
SNPE Vectan BA 9	<<locked>>	60%	23830	55%	**37	100%
SNPE Vectan BA10	<<locked>>	61%	29457	68%	**4	100%
SNPE Vectan BA7 1/2	<<locked>>	61%	16969	39%	**1	95%
SNPE Vectan BA9 1/2	<<locked>>	61%	23917	55%	**43	100%
[Shooters World Heavy Pistol]*	<<locked>>	73%	24714	57%	**81	80%
[Shooters World Major Pistol]*	<<locked>>	61%	20030	46%	**02	83%
Somchem MP200	<<locked>>	61%	24816	57%	**02	100%
Somchem MS200	<<locked>>	61%	22089	51%	**43	100%
Somchem S221	<<locked>>	61%	26440	61%	**88	93%
Vihtavuori 3N37	<<locked>>	61%	19377	45%	**40	98%
[Vihtavuori 3N38]*	<<locked>>	66%	15273	35%	**1	81%
[Vihtavuori N105]*	<<locked>>	69%	12604	29%	**8	81%
Vihtavuori N320	<<locked>>	60%	25048	58%	**20	100%
Vihtavuori N32C Tin Star	<<locked>>	60%	14098	32%	**7	100%
Vihtavuori N330	<<locked>>	61%	23612	54%	**53	100%
Vihtavuori N340	<<locked>>	62%	21712	50%	**43	100%
Vihtavuori N350	<<locked>>	60%	17202	40%	**4	97%
Winchester 231	<<locked>>	61%	33518	77%	**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