Load data for .357 Magnum + .358 | 148gr | Speer LBBWC

Recommended Powder(s):

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.358 \| 148gr \| Speer LBBWC
Manufacturer SKU:	4605
Bullet Weight:	148gr \| 9.6g
Bullet Diameter:	0.358" \| 9.09mm
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_B6231_C513
Last updated:	2026-02-01

Load data for 132 loads in caliber .357 Magnum with .358 | 148gr | Speer LBBWC bullet and 66 powder(s). 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%	38319	88%	**21	100%
ADI AP 70N	<<locked>>	67%	38130	88%	**99	100%
ADI APS 350	<<locked>>	74%	38072	88%	**29	100%
ADI APS 450	<<locked>>	75%	37637	86%	**58	100%
ADI AS 30	<<locked>>	78%	38609	89%	**07	100%
ADI AS 50N	<<locked>>	74%	38609	89%	**47	100%
Accurate No. 2	<<locked>>	73%	37956	87%	**16	100%
Accurate No. 7	<<locked>>	76%	38537	89%	**83	94%
[Accurate No. 9]*	<<locked>>	84%	38305	88%	**73	88%
Accurate Solo 1000	<<locked>>	76%	38334	88%	**30	100%
Accurate Solo 1250	<<locked>>	80%	37826	87%	**80	100%
Accurate TCM	<<locked>>	83%	37942	87%	**60	90%
[Alliant 2400]*	<<locked>>	96%	38899	89%	**96	86%
Alliant BE-86	<<locked>>	79%	38058	87%	**70	100%
Alliant BLUE DOT	<<locked>>	97%	37347	86%	**50	92%
Alliant BULLSEYE	<<locked>>	71%	38334	88%	**58	100%
Alliant Herco	<<locked>>	96%	38406	88%	**55	100%
Alliant POWER PISTOL	<<locked>>	79%	37855	87%	**63	99%
Alliant Sport Pistol	<<locked>>	66%	38377	88%	**62	100%
Alliant UNIQUE	<<locked>>	81%	39015	90%	**68	100%
Baschieri & Pellagri 100	<<locked>>	77%	38537	89%	**30	100%
Baschieri & Pellagri 102 Pistol	<<locked>>	96%	38435	88%	**43	100%
Baschieri & Pellagri 103 Pistol	<<locked>>	72%	38319	88%	**50	100%
Hodgdon Clays	<<locked>>	74%	38914	89%	**45	100%
Hodgdon HS-6	<<locked>>	65%	38014	87%	**91	100%
Hodgdon Universal	<<locked>>	74%	38130	88%	**99	100%
Hodgdon CFE Pistol	<<locked>>	77%	38885	89%	**99	100%
Hodgdon TrailBoss	<<locked>>	94%	15229	35%	**3	100%
Lovex D037.1	<<locked>>	76%	38537	89%	**83	94%
[Lovex D037.2]*	<<locked>>	83%	38305	88%	**73	88%
Lovex S011	<<locked>>	66%	38957	90%	**60	100%
Lovex S020	<<locked>>	73%	38247	88%	**12	100%
Maxam CSB 1	<<locked>>	84%	38348	88%	**80	100%
Maxam CSB 2	<<locked>>	80%	38377	88%	**83	100%
Maxam CSB 3	<<locked>>	80%	39059	90%	**63	100%
Maxam CSB 4	<<locked>>	76%	38406	88%	**37	100%
Maxam CSB 5	<<locked>>	72%	38551	89%	**91	100%
[Ramshot Enforcer]*	<<locked>>	95%	37884	87%	**90	86%
Ramshot Silhouette	<<locked>>	67%	39001	90%	**75	100%
ReloadSwiss RS 12	<<locked>>	70%	38580	89%	**66	100%
ReloadSwiss RS 14	<<locked>>	95%	13924	32%	**2	100%
ReloadSwiss RS 20	<<locked>>	81%	37942	87%	**48	100%
ReloadSwiss RS 24	<<locked>>	82%	39030	90%	**73	96%
Rottweil P 801	<<locked>>	65%	38072	87%	**30	100%
Rottweil P 806	<<locked>>	87%	38972	90%	**80	100%
SNPE Vectan A0	<<locked>>	83%	38435	88%	**16	100%
SNPE Vectan BA 9	<<locked>>	76%	38435	88%	**93	100%
SNPE Vectan BA10	<<locked>>	70%	37637	86%	**55	100%
SNPE Vectan BA7 1/2 👍	<<locked>>	88%	38377	88%	**85	100%
SNPE Vectan BA9 1/2	<<locked>>	77%	38450	88%	**93	100%
SNPE Vectan SP 2 👍	<<locked>>	75%	38247	88%	**67	100%
[Shooters World Heavy Pistol]*	<<locked>>	83%	38305	88%	**73	88%
Shooters World Major Pistol	<<locked>>	76%	38537	89%	**83	94%
Somchem MP200	<<locked>>	74%	38072	87%	**48	100%
Somchem MS200	<<locked>>	79%	38348	88%	**32	100%
Somchem S221	<<locked>>	69%	38145	88%	**40	98%
Vihtavuori 3N37 👍	<<locked>>	81%	38827	89%	**04	100%
Vihtavuori 3N38	<<locked>>	93%	38566	89%	**60	97%
Vihtavuori N105	<<locked>>	97%	34882	80%	**57	98%
Vihtavuori N310	<<locked>>	63%	38928	89%	**65	100%
Vihtavuori N320	<<locked>>	73%	38058	87%	**37	100%
Vihtavuori N32C Tin Star	<<locked>>	96%	34751	80%	**35	100%
Vihtavuori N330	<<locked>>	75%	37884	87%	**89	100%
Vihtavuori N340	<<locked>>	79%	38551	89%	**35	100%
Vihtavuori N350 👍	<<locked>>	84%	37898	87%	**85	100%
Winchester 231	<<locked>>	64%	38841	89%	**80	100%

Max Load - Barrel Length: 5.50''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AP 100]*	<<locked>>	61%	14315	33%	**8	86%
ADI AP 70N	<<locked>>	60%	31372	72%	**17	100%
ADI APS 350	<<locked>>	61%	27818	64%	**07	100%
ADI APS 450	<<locked>>	61%	26890	62%	**24	100%
ADI AS 30	<<locked>>	62%	26049	60%	**53	100%
ADI AS 50N	<<locked>>	61%	27557	63%	**15	100%
Accurate No. 2	<<locked>>	61%	25077	58%	**52	100%
[Accurate No. 7]*	<<locked>>	61%	21683	50%	**94	84%
[Accurate No. 9]*	<<locked>>	72%	25251	58%	**57	80%
Accurate Solo 1000	<<locked>>	61%	25962	60%	**79	100%
Accurate Solo 1250	<<locked>>	61%	22350	51%	**79	100%
[Accurate TCM]*	<<locked>>	70%	23293	54%	**20	80%
[Alliant 2400]*	<<locked>>	87%	29312	67%	**45	80%
Alliant BE-86	<<locked>>	61%	22872	53%	**79	100%
[Alliant BLUE DOT]*	<<locked>>	74%	19305	44%	**29	80%
Alliant BULLSEYE	<<locked>>	61%	28863	66%	**27	100%
Alliant Herco	<<locked>>	61%	15809	36%	**7	99%
Alliant POWER PISTOL	<<locked>>	61%	21828	50%	**88	93%
Alliant Sport Pistol	<<locked>>	61%	32895	76%	**89	100%
Alliant UNIQUE	<<locked>>	61%	22133	51%	**29	100%
Baschieri & Pellagri 100	<<locked>>	61%	24860	57%	**70	100%
Baschieri & Pellagri 102 Pistol	<<locked>>	61%	15287	35%	**8	100%
Baschieri & Pellagri 103 Pistol	<<locked>>	61%	27441	63%	**29	100%
Hodgdon Clays	<<locked>>	61%	28340	65%	**27	100%
Hodgdon HS-6	<<locked>>	61%	32068	74%	**19	100%
Hodgdon Universal	<<locked>>	61%	26426	61%	**55	100%
Hodgdon CFE Pistol	<<locked>>	61%	24439	56%	**25	100%
Hodgdon TrailBoss	<<locked>>	86%	12937	30%	**7	100%
[Lovex D037.1]*	<<locked>>	61%	21683	50%	**94	84%
[Lovex D037.2]*	<<locked>>	72%	25251	58%	**57	80%
Lovex S011	<<locked>>	61%	33040	76%	**94	100%
Lovex S020	<<locked>>	61%	25918	60%	**65	100%
Maxam CSB 1	<<locked>>	62%	21306	49%	**56	100%
Maxam CSB 2	<<locked>>	62%	22785	52%	**86	100%
Maxam CSB 3	<<locked>>	62%	24511	56%	**86	100%
Maxam CSB 4	<<locked>>	61%	26020	60%	**89	100%
Maxam CSB 5	<<locked>>	60%	28268	65%	**70	100%
[Ramshot Enforcer]*	<<locked>>	87%	28210	65%	**48	81%
Ramshot Silhouette	<<locked>>	61%	32721	75%	**93	100%
ReloadSwiss RS 12	<<locked>>	62%	30182	69%	**78	100%
ReloadSwiss RS 14	<<locked>>	84%	11197	26%	**0	100%
ReloadSwiss RS 20	<<locked>>	61%	21118	49%	**15	100%
[ReloadSwiss RS 24]*	<<locked>>	61%	18811	43%	**12	84%
Rottweil P 801	<<locked>>	61%	33924	78%	**91	100%
Rottweil P 806	<<locked>>	61%	14707	34%	**56	92%
SNPE Vectan A0	<<locked>>	61%	21205	49%	**79	100%
SNPE Vectan BA 9	<<locked>>	61%	25193	58%	**25	100%
SNPE Vectan BA10	<<locked>>	60%	29399	68%	**60	100%
SNPE Vectan BA7 1/2	<<locked>>	61%	17796	41%	**43	96%
SNPE Vectan BA9 1/2	<<locked>>	61%	24613	57%	**19	100%
SNPE Vectan SP 2	<<locked>>	61%	23482	54%	**37	96%
[Shooters World Heavy Pistol]*	<<locked>>	72%	25251	58%	**57	80%
[Shooters World Major Pistol]*	<<locked>>	61%	21683	50%	**94	84%
Somchem MP200	<<locked>>	61%	25947	60%	**91	100%
Somchem MS200	<<locked>>	62%	23859	55%	**32	100%
Somchem S221	<<locked>>	61%	28587	66%	**99	95%
Vihtavuori 3N37	<<locked>>	61%	20204	46%	**19	98%
[Vihtavuori 3N38]*	<<locked>>	63%	14997	34%	**14	80%
[Vihtavuori N105]*	<<locked>>	67%	12923	30%	**7	81%
Vihtavuori N310	<<locked>>	61%	37420	86%	**48	100%
Vihtavuori N320	<<locked>>	61%	26498	61%	**06	100%
Vihtavuori N32C Tin Star	<<locked>>	62%	15592	36%	**6	100%
Vihtavuori N330	<<locked>>	60%	24468	56%	**29	100%
Vihtavuori N340	<<locked>>	61%	22263	51%	**15	100%
Vihtavuori N350	<<locked>>	60%	18304	42%	**79	97%
Winchester 231	<<locked>>	61%	34592	79%	**30	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