Load data for .357 Magnum + .357 | 158gr | Speer TMJ

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:	.357 \| 158gr \| Speer TMJ
Manufacturer SKU:	4207
Bullet Weight:	158gr \| 10.2g
Bullet Diameter:	0.357" \| 9.07mm
Bullet Length:	0.650" \| 16.5mm
Caliber:	.357 Magnum load data
Case Length (l3):	1.290" \| 32.8mm
Cartridge Length (C.O.L.):	1.566" \| 39.8mm
Seated Depth:	0.374" \| 9.5mm
Shank Seated Depth:	0.374" \| 9.5mm
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_B6226_C513
Last updated:	2025-01-01

Load data for 112 loads in caliber .357 Magnum with .357 | 158gr | Speer TMJ bullet and 56 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%	36448	84%	**22	99%
ADI AP 70N	<<locked>>	67%	38130	88%	**27	100%
ADI AS 30	<<locked>>	76%	37260	86%	**19	100%
ADI AS 50N	<<locked>>	71%	36158	83%	**52	100%
Accurate No. 2	<<locked>>	73%	37710	87%	**43	100%
Accurate No. 7	<<locked>>	76%	38725	89%	**11	94%
[Accurate No. 9]*	<<locked>>	84%	38058	87%	**91	89%
Accurate Solo 1000	<<locked>>	77%	38682	89%	**61	100%
Accurate Solo 1250	<<locked>>	81%	39117	90%	**17	100%
[Accurate TCM]*	<<locked>>	83%	37275	86%	**68	89%
[Alliant 2400]*	<<locked>>	96%	38885	89%	**21	86%
Alliant BULLSEYE	<<locked>>	70%	37811	87%	**70	100%
Alliant POWER PISTOL	<<locked>>	80%	38319	88%	**85	99%
Alliant UNIQUE	<<locked>>	80%	38072	87%	**86	100%
Baschieri & Pellagri 100	<<locked>>	75%	36303	83%	**38	100%
Hodgdon Clays	<<locked>>	74%	38145	88%	**73	100%
Hodgdon HS-6	<<locked>>	65%	37347	86%	**09	100%
Hodgdon Longshot	<<locked>>	63%	38450	88%	**16	100%
Hodgdon Universal	<<locked>>	74%	38130	88%	**27	100%
Hodgdon TrailBoss	<<locked>>	92%	15069	35%	**7	100%
Lovex D037.1	<<locked>>	76%	38725	89%	**11	94%
[Lovex D037.2]*	<<locked>>	82%	36854	85%	**71	88%
Lovex S011	<<locked>>	64%	36477	84%	**65	100%
Lovex S020	<<locked>>	73%	38493	88%	**47	100%
Maxam CSB 1	<<locked>>	82%	36738	84%	**91	100%
Maxam CSB 2	<<locked>>	78%	36869	85%	**94	100%
Maxam CSB 3	<<locked>>	79%	38450	88%	**84	100%
Maxam CSB 4	<<locked>>	75%	37318	86%	**55	100%
Maxam CSB 5	<<locked>>	72%	38551	89%	**22	100%
[Ramshot Enforcer]*	<<locked>>	95%	37289	86%	**04	86%
Ramshot Silhouette	<<locked>>	66%	37275	86%	**73	100%
ReloadSwiss RS 12	<<locked>>	70%	38508	88%	**94	100%
ReloadSwiss RS 14	<<locked>>	97%	14895	34%	**3	100%
ReloadSwiss RS 20	<<locked>>	82%	38769	89%	**76	100%
ReloadSwiss RS 24	<<locked>>	82%	38145	88%	**88	96%
Rottweil P 801	<<locked>>	64%	36376	84%	**42	100%
Rottweil P 806	<<locked>>	86%	37391	86%	**91	100%
SNPE Vectan A0	<<locked>>	84%	38754	89%	**47	100%
SNPE Vectan BA 9	<<locked>>	76%	38740	89%	**20	100%
SNPE Vectan BA10	<<locked>>	68%	35998	83%	**70	100%
SNPE Vectan BA7 1/2 👍	<<locked>>	86%	36405	84%	**83	100%
SNPE Vectan BA9 1/2	<<locked>>	77%	38464	88%	**24	100%
[Shooters World Heavy Pistol]*	<<locked>>	82%	36854	85%	**71	88%
Shooters World Major Pistol	<<locked>>	76%	38725	89%	**11	94%
Somchem MP200	<<locked>>	75%	38624	89%	**83	100%
Somchem MS200	<<locked>>	79%	38682	89%	**60	100%
Somchem S221	<<locked>>	69%	37391	86%	**52	98%
Vihtavuori 3N37 👍	<<locked>>	79%	36332	84%	**02	100%
Vihtavuori 3N38	<<locked>>	92%	36651	84%	**58	96%
Vihtavuori N105	<<locked>>	95%	32648	75%	**52	98%
Vihtavuori N320	<<locked>>	72%	37159	85%	**58	100%
Vihtavuori N32C Tin Star	<<locked>>	93%	33431	77%	**53	100%
Vihtavuori N330	<<locked>>	73%	36158	83%	**04	100%
Vihtavuori N340	<<locked>>	80%	38943	89%	**66	100%
Vihtavuori N350 👍	<<locked>>	84%	37898	87%	**09	100%
Winchester 231	<<locked>>	64%	38638	89%	**07	100%

Max Load - Barrel Length: 5.50''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AP 100]*	<<locked>>	62%	14881	34%	**5	88%
ADI AP 70N	<<locked>>	61%	32198	74%	**61	100%
ADI AS 30	<<locked>>	60%	25309	58%	**8	100%
ADI AS 50N	<<locked>>	60%	27398	63%	**50	100%
Accurate No. 2	<<locked>>	61%	25324	58%	**93	100%
[Accurate No. 7]*	<<locked>>	61%	21524	49%	**29	84%
[Accurate No. 9]*	<<locked>>	72%	24990	57%	**88	81%
Accurate Solo 1000	<<locked>>	62%	26687	61%	**24	100%
Accurate Solo 1250	<<locked>>	61%	22191	51%	**17	100%
[Accurate TCM]*	<<locked>>	69%	22785	52%	**42	80%
[Alliant 2400]*	<<locked>>	87%	29718	68%	**89	81%
Alliant BULLSEYE	<<locked>>	61%	28979	67%	**65	100%
Alliant POWER PISTOL	<<locked>>	61%	21901	50%	**22	93%
Alliant UNIQUE	<<locked>>	61%	22582	52%	**76	100%
Baschieri & Pellagri 100	<<locked>>	61%	24729	57%	**07	100%
Hodgdon Clays	<<locked>>	61%	28355	65%	**5	100%
Hodgdon HS-6	<<locked>>	61%	32140	74%	**47	100%
Hodgdon Longshot	<<locked>>	61%	35621	82%	**86	100%
Hodgdon Universal	<<locked>>	61%	26774	62%	**89	100%
Hodgdon TrailBoss	<<locked>>	68%	9181	21%	**9	100%
[Lovex D037.1]*	<<locked>>	61%	21524	49%	**29	84%
[Lovex D037.2]*	<<locked>>	71%	24236	56%	**78	80%
Lovex S011	<<locked>>	61%	33243	76%	**32	100%
Lovex S020	<<locked>>	61%	26585	61%	**09	100%
Maxam CSB 1	<<locked>>	61%	21263	49%	**7	100%
Maxam CSB 2	<<locked>>	61%	23047	53%	**27	100%
Maxam CSB 3	<<locked>>	61%	24207	56%	**20	100%
Maxam CSB 4	<<locked>>	60%	25512	59%	**17	100%
Maxam CSB 5	<<locked>>	61%	28950	67%	**20	100%
[Ramshot Enforcer]*	<<locked>>	87%	28108	65%	**76	81%
Ramshot Silhouette	<<locked>>	61%	31937	73%	**14	100%
ReloadSwiss RS 12	<<locked>>	60%	29501	68%	**96	100%
ReloadSwiss RS 14	<<locked>>	66%	8238	19%	**9	100%
ReloadSwiss RS 20	<<locked>>	60%	20494	47%	**47	100%
[ReloadSwiss RS 24]*	<<locked>>	61%	19377	45%	**73	85%
Rottweil P 801	<<locked>>	61%	33547	77%	**15	100%
Rottweil P 806	<<locked>>	61%	15534	36%	**24	94%
SNPE Vectan A0	<<locked>>	61%	21393	49%	**20	100%
SNPE Vectan BA 9	<<locked>>	61%	25599	59%	**63	100%
SNPE Vectan BA10	<<locked>>	61%	30095	69%	**04	100%
SNPE Vectan BA7 1/2	<<locked>>	61%	17738	41%	**4	96%
SNPE Vectan BA9 1/2	<<locked>>	61%	24903	57%	**60	100%
[Shooters World Heavy Pistol]*	<<locked>>	71%	24236	56%	**78	80%
[Shooters World Major Pistol]*	<<locked>>	61%	21524	49%	**29	84%
Somchem MP200	<<locked>>	61%	25701	59%	**15	100%
Somchem MS200	<<locked>>	60%	23105	53%	**53	100%
Somchem S221	<<locked>>	61%	28152	65%	**20	95%
Vihtavuori 3N37	<<locked>>	60%	20247	47%	**56	98%
[Vihtavuori 3N38]*	<<locked>>	64%	15447	35%	**1	81%
[Vihtavuori N105]*	<<locked>>	66%	12836	29%	**2	81%
Vihtavuori N320	<<locked>>	62%	27630	64%	**53	100%
Vihtavuori N32C Tin Star	<<locked>>	60%	15403	35%	**7	100%
Vihtavuori N330	<<locked>>	60%	24642	57%	**63	100%
Vihtavuori N340	<<locked>>	61%	22684	52%	**56	100%
Vihtavuori N350	<<locked>>	61%	19029	44%	**33	98%
Winchester 231	<<locked>>	62%	35650	82%	**75	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