Load data for .357 Magnum + .357 | 125gr | Speer TMJ

Recommended Powder(s): Vihtavuori 3N37, Vihtavuori N350

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.357 \| 125gr \| Speer TMJ
Manufacturer SKU:	4015
Bullet Weight:	125gr \| 8.1g
Bullet Diameter:	0.357" \| 9.07mm
Bullet Length:	0.515" \| 13.1mm
Caliber:	.357 Magnum load data
Case Length (l3):	1.290" \| 32.8mm
Cartridge Length (C.O.L.):	1.566" \| 39.8mm
Seated Depth:	0.239" \| 6.1mm
Shank Seated Depth:	0.239" \| 6.1mm
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_B6218_C513
Last updated:	2025-02-02

Load data for 118 loads in caliber .357 Magnum with .357 | 125gr | Speer TMJ bullet and 59 powders such as 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.

You can set your specifications in the "Personalized Load Calculator".

Go to the bottom of the "Dashboard " page to set the measure system (imperial vs. metric)
No data yet
C.O.L. (Inch)
C.O.L. (mm)
We recommend you limit powder range to relevant brands to speed up re-calculation of results
Use the Personalized Load Calculator to customize loads to your own specific requirements. Find more details in the help section.

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%	36593	84%	**42	98%
ADI AP 70N	<<locked>>	68%	39131	90%	**57	100%
ADI APS 350	<<locked>>	75%	38232	88%	**60	100%
ADI APS 450	<<locked>>	77%	38551	89%	**02	100%
ADI AS 30	<<locked>>	78%	38203	88%	**35	100%
ADI AS 50N	<<locked>>	73%	37724	87%	**88	100%
Accurate No. 2	<<locked>>	74%	37188	85%	**57	100%
Accurate No. 7	<<locked>>	75%	37130	85%	**08	91%
[Accurate No. 9]*	<<locked>>	84%	37289	86%	**88	85%
Accurate Solo 1000	<<locked>>	77%	38827	89%	**71	100%
Accurate Solo 1250	<<locked>>	82%	38638	89%	**40	100%
[Accurate TCM]*	<<locked>>	85%	38319	88%	**01	87%
Alliant BLUE DOT	<<locked>>	97%	36434	84%	**85	90%
Alliant BULLSEYE	<<locked>>	71%	37913	87%	**96	100%
Alliant POWER PISTOL	<<locked>>	81%	38914	89%	**21	98%
Alliant UNIQUE	<<locked>>	80%	36738	84%	**96	100%
Baschieri & Pellagri 100	<<locked>>	76%	36796	85%	**62	100%
Hodgdon Clays	<<locked>>	75%	38957	90%	**83	100%
Hodgdon HS-6	<<locked>>	67%	38798	89%	**52	100%
Hodgdon Longshot	<<locked>>	63%	38000	87%	**42	100%
Hodgdon Universal	<<locked>>	75%	37927	87%	**47	100%
Hodgdon TrailBoss	<<locked>>	96%	15969	37%	**01	100%
Lovex D037.1	<<locked>>	75%	37130	85%	**08	91%
[Lovex D037.2]*	<<locked>>	83%	37289	86%	**88	85%
Lovex S011	<<locked>>	66%	37463	86%	**94	100%
Lovex S020	<<locked>>	74%	38551	89%	**70	100%
Maxam CSB 1	<<locked>>	84%	37637	87%	**21	100%
Maxam CSB 2	<<locked>>	80%	37811	87%	**21	100%
Maxam CSB 3	<<locked>>	79%	37434	86%	**98	100%
Maxam CSB 4	<<locked>>	76%	37260	86%	**65	100%
Maxam CSB 5	<<locked>>	71%	36622	84%	**09	100%
[Ramshot Enforcer]*	<<locked>>	96%	38174	88%	**40	84%
Ramshot Silhouette	<<locked>>	67%	38319	88%	**19	100%
Ramshot True Blue	<<locked>>	62%	38334	88%	**29	100%
ReloadSwiss RS 12	<<locked>>	69%	37275	86%	**01	100%
ReloadSwiss RS 14	<<locked>>	95%	14112	32%	**8	100%
ReloadSwiss RS 20	<<locked>>	82%	37826	87%	**93	100%
ReloadSwiss RS 24	<<locked>>	82%	37550	86%	**98	94%
Rottweil P 801	<<locked>>	66%	38392	88%	**75	100%
Rottweil P 806	<<locked>>	86%	37217	86%	**01	100%
SNPE Vectan A0	<<locked>>	83%	37130	85%	**57	100%
SNPE Vectan BA 9	<<locked>>	75%	37347	86%	**24	100%
SNPE Vectan BA10	<<locked>>	70%	37260	86%	**86	100%
SNPE Vectan BA7 1/2	<<locked>>	89%	38203	88%	**22	100%
SNPE Vectan BA9 1/2	<<locked>>	77%	37666	87%	**34	100%
[Shooters World Heavy Pistol]*	<<locked>>	83%	37289	86%	**88	85%
Shooters World Major Pistol	<<locked>>	75%	37130	85%	**08	91%
Somchem MP200	<<locked>>	74%	37884	87%	**03	100%
Somchem MS200	<<locked>>	80%	38783	89%	**86	100%
Somchem S221	<<locked>>	69%	37420	86%	**78	96%
Vihtavuori 3N37 👍	<<locked>>	81%	37420	86%	**42	100%
Vihtavuori 3N38	<<locked>>	94%	39030	90%	**11	95%
Vihtavuori N105	<<locked>>	96%	32909	76%	**65	96%
Vihtavuori N320	<<locked>>	73%	36970	85%	**68	100%
Vihtavuori N32C Tin Star	<<locked>>	96%	34505	79%	**63	100%
Vihtavuori N330	<<locked>>	76%	38783	89%	**53	100%
Vihtavuori N340	<<locked>>	79%	37289	86%	**70	100%
Vihtavuori N350 👍	<<locked>>	85%	38087	88%	**45	100%
Winchester 231	<<locked>>	63%	36956	85%	**04	100%

Max Load - Barrel Length: 5.50''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AP 100]*	<<locked>>	61%	14185	33%	**60	83%
ADI AP 70N	<<locked>>	61%	31821	73%	**58	100%
ADI APS 350	<<locked>>	61%	27746	64%	**22	100%
ADI APS 450	<<locked>>	61%	26339	61%	**32	100%
ADI AS 30	<<locked>>	61%	25614	59%	**65	100%
ADI AS 50N	<<locked>>	62%	27992	64%	**47	100%
Accurate No. 2	<<locked>>	61%	24642	57%	**73	100%
[Accurate No. 7]*	<<locked>>	61%	21625	50%	**02	81%
[Accurate No. 9]*	<<locked>>	77%	29675	68%	**67	81%
Accurate Solo 1000	<<locked>>	62%	26339	61%	**11	100%
Accurate Solo 1250	<<locked>>	62%	22437	52%	**98	100%
[Accurate TCM]*	<<locked>>	75%	27151	62%	**07	80%
[Alliant BLUE DOT]*	<<locked>>	80%	22974	53%	**22	81%
Alliant BULLSEYE	<<locked>>	61%	28152	65%	**55	100%
Alliant POWER PISTOL	<<locked>>	61%	21538	49%	**96	90%
Alliant UNIQUE	<<locked>>	61%	22104	51%	**50	100%
Baschieri & Pellagri 100	<<locked>>	62%	24990	57%	**01	100%
Hodgdon Clays	<<locked>>	61%	28137	65%	**42	100%
Hodgdon HS-6	<<locked>>	61%	32387	74%	**63	99%
Hodgdon Longshot	<<locked>>	61%	35737	82%	**06	100%
Hodgdon Universal	<<locked>>	61%	26252	60%	**80	100%
Hodgdon TrailBoss	<<locked>>	61%	7673	18%	**5	100%
[Lovex D037.1]*	<<locked>>	61%	21625	50%	**02	81%
[Lovex D037.2]*	<<locked>>	77%	29675	68%	**67	81%
Lovex S011	<<locked>>	61%	32227	74%	**25	100%
Lovex S020	<<locked>>	61%	26426	61%	**06	100%
Maxam CSB 1	<<locked>>	61%	20465	47%	**58	100%
Maxam CSB 2	<<locked>>	60%	21930	50%	**98	100%
Maxam CSB 3	<<locked>>	61%	23554	54%	**94	100%
Maxam CSB 4	<<locked>>	61%	25121	58%	**01	100%
Maxam CSB 5	<<locked>>	61%	28747	66%	**04	100%
[Ramshot Enforcer]*	<<locked>>	93%	33750	78%	**68	81%
Ramshot Silhouette	<<locked>>	61%	31531	72%	**24	100%
Ramshot True Blue	<<locked>>	61%	36129	83%	**09	100%
ReloadSwiss RS 12	<<locked>>	61%	29718	68%	**99	100%
ReloadSwiss RS 14	<<locked>>	60%	6933	16%	**8	98%
ReloadSwiss RS 20	<<locked>>	61%	20697	48%	**27	100%
[ReloadSwiss RS 24]*	<<locked>>	61%	18913	43%	**17	81%
Rottweil P 801	<<locked>>	61%	33286	76%	**19	100%
[Rottweil P 806]*	<<locked>>	61%	14823	34%	**52	89%
SNPE Vectan A0	<<locked>>	61%	20972	48%	**91	100%
SNPE Vectan BA 9	<<locked>>	60%	24598	57%	**37	100%
SNPE Vectan BA10	<<locked>>	61%	29791	68%	**88	100%
SNPE Vectan BA7 1/2	<<locked>>	61%	17318	40%	**35	93%
SNPE Vectan BA9 1/2	<<locked>>	61%	24424	56%	**40	100%
[Shooters World Heavy Pistol]*	<<locked>>	77%	29675	68%	**67	81%
[Shooters World Major Pistol]*	<<locked>>	61%	21625	50%	**02	81%
Somchem MP200	<<locked>>	60%	25135	58%	**02	100%
Somchem MS200	<<locked>>	62%	23540	54%	**53	100%
Somchem S221	<<locked>>	61%	27789	64%	**04	92%
Vihtavuori 3N37	<<locked>>	61%	20218	46%	**37	97%
[Vihtavuori 3N38]*	<<locked>>	69%	18304	42%	**07	81%
[Vihtavuori N105]*	<<locked>>	72%	15316	35%	**65	81%
Vihtavuori N320	<<locked>>	61%	26672	61%	**34	100%
Vihtavuori N32C Tin Star	<<locked>>	62%	15635	36%	**1	100%
Vihtavuori N330	<<locked>>	60%	24091	55%	**50	100%
Vihtavuori N340	<<locked>>	61%	21930	50%	**27	100%
Vihtavuori N350	<<locked>>	61%	18536	43%	**88	96%
Winchester 231	<<locked>>	61%	34519	79%	**78	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